WO1987001857A1 - A locking mechanism for a reel storage container - Google Patents

A locking mechanism for a reel storage container Download PDF

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Publication number
WO1987001857A1
WO1987001857A1 PCT/US1986/001783 US8601783W WO8701857A1 WO 1987001857 A1 WO1987001857 A1 WO 1987001857A1 US 8601783 W US8601783 W US 8601783W WO 8701857 A1 WO8701857 A1 WO 8701857A1
Authority
WO
WIPO (PCT)
Prior art keywords
hub member
locking mechanism
latch arm
base
closed
Prior art date
Application number
PCT/US1986/001783
Other languages
French (fr)
Inventor
Arthur G. Rudick
Original Assignee
Eastman Kodak Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Company filed Critical Eastman Kodak Company
Priority to DE8686905592T priority Critical patent/DE3678563D1/en
Publication of WO1987001857A1 publication Critical patent/WO1987001857A1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/027—Containers for single reels or spools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/42—Rigid engaging means
    • Y10T292/432—Sliding catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/42—Rigid engaging means
    • Y10T292/438—Spring-arm catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5009—For portable articles
    • Y10T70/5031—Receptacle

Definitions

  • This invention relates generally to reel storage containers, and more specifically to a locking mechanism for releasably coupling together cover and receptacle portions of a reel storage container.
  • the objects of the invention are accomplished by an improved locking mechanism for releasably coupling together cover and receptacle portions of a reel storage container.
  • the locking mechanism comprises a manually movable single-part hub member rotatably mounted on the cover portion for movement between at least “open” and “closed” positions.
  • the receptacle portion has a cam member defining a ramp surface engageable by a cam follower on the hub member.
  • the cover and receptacle portions can be assembled into a loosely closed relationship when the hub member is in its "open” position.
  • the cam follower slides on the ramp surface drawing the cover and receptacle portions into tightly closed engagement.
  • the hub member further has detent means between the hub member and cover portion comprising a spring latch arm formed as an integral part of the hub member.
  • the latch arm is manually movable relative to the cover portion between a normal latched position in which the hub member and cover portion are latched together, and an unlatched position in which the hub member is unlatched from the cover portion.
  • the invention is further directed to a locking mechanism having a hub member comprising (1) a cylindrical body portion rotatably mounted on the cover portion. (2) an enlarged cylindrical cup-shaped end portion having a base perpendicular to the axis of the hub member, and a coaxial annular peripheral rim integral with the base and axially extending from one side surface thereof, and (3) radially extending cam followers at the opposite end portion of the hub member.
  • the spring latch arm of the hub member comprises an arcuate segment of the annular rim defined by a continuous slot extending through the base and annular rim.
  • the arcuate spring arm has an end portion integral with the rim. and an opposite free end portion having a base segment integral therewith.
  • the base segment has a manually engageable upstanding finger for manual movement of the spring arm between its latched and unlatched positions.
  • the invention is further directed to a locking mechanism wherein the base segment has an offset pin extending axially from the opposite side of the base.
  • the cover portion has a coaxial circular axially extending shoulder having first, second and third notches wherein engageable by the pin for releasably holding the hub member in "open”. “closed”, and “locked” positions respectively.
  • the first and second notches are V-shaped for releasably holding the pin in the "open” and “closed” positions respectively.
  • the third notch has radially extending leading and trailing stop surfaces having facing V-shaped grooves for receiving and preventing movement of the pin when the hub member is in its "locked” position.
  • Fig. 1 is a top plan view of a preferred embodiment of the locking mechanism of this invention incorporated in a reel storage container and showing the hub member in its "closed" position;
  • Fig. 2 is a section view taken substantially along line 2-2 of Fig. 1;
  • Fig. 3 is an exploded perspective view of the locking mechanism of this invention
  • Fig. 4 is an enlarged seg ental top plan view of the central portion of the reel storage container of Fig. 1 with the hub member of the locking mechanism removed
  • Fig. 5 is an enlarged seg ental top plan view of the locking mechanism of Fig. 1 showing the spring latch arm in its unlatched position.
  • a preferred embodiment of the locking mechanism 10 of this invention is shown incorporated in a reel storage container 12.
  • the container (Fig. 2) comprises a cover portion 14 having a flat plate 16. a central cylindrical boss 18 depending from the plate, and spaced walls 20 depending from the plate at the periphery thereof to form a groove 22 for receiving a resilient seal, such as an O-ring 24. for example.
  • the container 12 further comprises a receptacle portion 26 having a flat plate 28. a central cylindrical boss 30 upstanding from the plate, and a wall 32 upstanding from the plate at the periphery thereof. Wall 32 is insertable in groove 22 when the container is closed by mounting the cover 14 on the receptacle 26.
  • a handle 34
  • FIG.l for container 12 is integrally formed on a corner of wall 32.
  • the locking mechanism 10 comprises a single-part hub member 44 having a tubular body member 46 provided at one end with an enlarged cylindrical, cup-shaped handle-latch member 48.
  • the handle-latch member has a circular base 50 perpendicular to the axis of body 46. and an annular peripheral rim 52 integral with the base and axially extending from one side surface thereof.
  • a spring latch arm 54 on hub member 44 is defined as best seen in Fig. 3 by a continuous irregular slot extending through base 50.
  • the slot has a blind portion 56 adjacent an angular portion of rim 52. and another portion 60 defining a base segment 62. and passing through rim 52.
  • One end 66 of spring latch arm 54 forms an integral part of rim 52, and its opposite end 68 is free for pivotal movement about end 66.
  • An arcuate upstanding finger 70 (Fig. 1) is integral with base segment 62 to form a handle by which latch arm 54 may be pivotally moved from a normal latched position, in which hub member 44 is latched to cover portion 14, to an unlatched position, shown in Fig. 5.
  • base segment 62 has a depending pin 72 which is in alignment with a V-shaped indicium 74 on the upper surface of a free end portion 68 of arm 54.
  • the aforementioned cylindrical boss 18 on cover portion 14 is cup-shaped, having an upper circular cavity 76 and lower wall 78. as best seen in Fig. 3.
  • the lower wall has a central opening 80 defining a circular shoulder 82 and diametrically opposed, peripheral slots 84. as best seen in Fig. 4.
  • the upper surface of wall 78 has an arcuate upstanding latch shoulder 88 having a first V-shaped notch 90 contiguous to one end of shoulder 88 forming a stop surface.
  • a second V-shaped notch 92 is provided in shoulder 88 angularly spaced approximately 90 degrees from notch 90.
  • a third notch 94 is located at the other end of shoulder 88 having radially extending leading and trailing V-shaped stop surfaces 96. 98.
  • the lower surface of wall 78 as best seen in Fig. 2. has a shelf 104 and a circular peripheral recess 106 into which an annular resilient ring 108 is secured by any suitable means.
  • a rim 110 of the cover plate surrounding upper cavity 76 is provided with V-shaped indicia marked “open.” “closed” and “locked” in alignment with first, second and third notches 90. 92, 94 respectively.
  • Base 50 is further provided with an axially extending, manually engageable rib handle 112
  • FIG. 1 having one end integral with rim 52. and an opposite bifurcated end 114 partially surrounding finger 70 for preventing inadvertent engagement and movement of the finger and spring latch arm 54 to its unlatched position.
  • the rib handle 112 provides a means for rotatably moving hub member 44 between the "open”, “closed” and “locked” positions.
  • the hub member 44 (Fig. 3) further has diametrically opposed, radially extending cam followers 116 at the opposite end of body member
  • the body member also has diametrically opposed, radially extending stop lugs 118. and angularly spaced therebetween, diametrically opposed, radially movable detents, only one of which is shown, defined by U-shaped slots 122.
  • the slots extend through tubular body 46 to form spring arms 124 having radially extending bevelled lips 126 at the free ends thereof. The function of the lugs 118 and lips 126 will be described hereinafter.
  • boss 30 is an inverted cylindrical cup-shaped member having an upper wall 128 and a lower circular cavity 130 closed off by a circular plate 131 secured to boss 30 by any suitable means.
  • the upper wall has a central opening 132 defining a circular shoulder 134 and diametrically opposed, peripheral slots 136 for receiving hub body portion 46 and cam followers 116 when cover portion 14 is mounted on receptacle portion 26.
  • Upper wall 128 (Fig. 3) further has lower ramp surfaces 138 surrounding opening 132 which are slidably engaged by a tapered surface 140 on cam followers 116 when hub member 44 is moved from its "open” position to the "closed” or “locked” positions.
  • the hub member 44 is rotatably mounted on cover portion 14 by initially aligning cam followers 116 with slots 84 and arm indicium 74 with the "closed" indicia, as seen in Fig. 1.
  • the hub member 44 is lowered causing body portion 46 to enter central opening 80. and cam followers 116 to pass through slots 88.
  • Depression of hub member 44 downwardly into its mounted position causes bevelled lips 126 of the detents to move radially inwardly and then to spring out when the lips pass through opening 80 to move in the path of shelf 104 (Fig. 1). and prevent removal of the hub member from cover portion 14.
  • hub member 44 is rotated by rib 76 until indicium 74 is in alignment with the "open" indicium.
  • the cover portion 14 is mountable on receptacle portion 26 in only one position by virtue of the non-symmetrical interengaging walls. 20, 32.
  • hub body portion 46 and cam followers 116 pass through central opening 132 and slots 136 in boss 30 for mounting or removal of cover portion 14 onto or from receptacle portion 26.
  • pin 72 nests in first notch 90 due to the resilience of spring latch arm 54.
  • hub member 44 is manually moved by rib handle 112 from the "open” position to the "closed” position to move the cover and receptacle into tightly closed engagement.
  • pin 72 slides out of first notch 90. slides along shoulder 88 and nests in second notch 92 where it is releasably held by the resilience of spring latch arm 54.
  • cam followers 140 slide on ramp surfaces 138 causing cover and receptacle portions 14, 26 respectively to be pulled together compressing resilient ring 108 and clamping reel 36 between ribs 40, 42. if one is present.
  • the hub member 44 is moved by rib handle 112 to the "locked" position where pin 72 is trapped in third notch 94. In this position. container 12 is locked and any attempt to move hub member 44 in either direction is blocked by pin 72 engaging V-shaped stop surfaces 96. 98 of notch 94.
  • finger 70 (Fig. 1) is engaged and moved inwardly into the position seen in Fig. 5. withdrawing pin 72 from notch 94 to unlatch hub member 44 from cover portion 14.
  • Hub member 44 is then manually moved by rib handle 112 to its "open” position aligning cam followers 116 with slots 136 to allow cover portion 14 to be removed from receptacle portion 26.

Abstract

A locking mechanism (10) for releasably coupling together cover and receptacle portions (14, 26) respectively of a reel storage container (12). The cover portion (14) has a rotatably mounted, single-part hub member (44) which is manually movable relative thereto between at least ''open'' and ''closed'' positions. The receptacle portion (26) has a cam member (138) engageable by a cam follower (116) on the cover portion (14) when the hub member (44) is moved to its ''closed'' position to draw the cover and receptacle portions into tightly closed engagement. The hub member (44) further has a spring latch arm (54) that is an integral part of the hub member (44) and is manually movable relative thereto between a normal latched position in which the hub member (44) and cover portion (14) are latched together, and an unlatched position.

Description

A LOCKING MECHANISM FOR A REEL STORAGE CONTAINER
Field of the Invention
This invention relates generally to reel storage containers, and more specifically to a locking mechanism for releasably coupling together cover and receptacle portions of a reel storage container. Description of the Prior Art
The prior art is replete with patents disclosing locking mechanisms for reel storage containers, of which U.S. Patents 3,297,153, Fattori; 3.754.421. Hirth; 3.863.762. Arai; and 4.320.834. Tamaki; are exemplary.
In what is believed to be non-analagous prior art, U.S. Patent No. 3.841,674, Bisbing et al. discloses a unitary sliding-action latch for - securing a door panel, especially a hinged door panel, in a closed position.
It is an object of this invention to provide an improved locking mechanism for reel storage containers that is of simple design and construction in which only a few parts are involved, none of which have to be held to close tolerances. Also, the locking mechanism is thoroughly reliable in operation, and economical to manufacture.
SUMMARY OF THE INVENTION
The objects of the invention are accomplished by an improved locking mechanism for releasably coupling together cover and receptacle portions of a reel storage container. The locking mechanism comprises a manually movable single-part hub member rotatably mounted on the cover portion for movement between at least "open" and "closed" positions. The receptacle portion has a cam member defining a ramp surface engageable by a cam follower on the hub member. The cover and receptacle portions can be assembled into a loosely closed relationship when the hub member is in its "open" position. When the hub member is moved to its "closed" position, the cam follower slides on the ramp surface drawing the cover and receptacle portions into tightly closed engagement. The hub member further has detent means between the hub member and cover portion comprising a spring latch arm formed as an integral part of the hub member. The latch arm is manually movable relative to the cover portion between a normal latched position in which the hub member and cover portion are latched together, and an unlatched position in which the hub member is unlatched from the cover portion.
The invention is further directed to a locking mechanism having a hub member comprising (1) a cylindrical body portion rotatably mounted on the cover portion. (2) an enlarged cylindrical cup-shaped end portion having a base perpendicular to the axis of the hub member, and a coaxial annular peripheral rim integral with the base and axially extending from one side surface thereof, and (3) radially extending cam followers at the opposite end portion of the hub member. The spring latch arm of the hub member comprises an arcuate segment of the annular rim defined by a continuous slot extending through the base and annular rim. The arcuate spring arm has an end portion integral with the rim. and an opposite free end portion having a base segment integral therewith. The base segment has a manually engageable upstanding finger for manual movement of the spring arm between its latched and unlatched positions.
The invention is further directed to a locking mechanism wherein the base segment has an offset pin extending axially from the opposite side of the base. The cover portion has a coaxial circular axially extending shoulder having first, second and third notches wherein engageable by the pin for releasably holding the hub member in "open". "closed", and "locked" positions respectively. The first and second notches are V-shaped for releasably holding the pin in the "open" and "closed" positions respectively. The third notch has radially extending leading and trailing stop surfaces having facing V-shaped grooves for receiving and preventing movement of the pin when the hub member is in its "locked" position.
BRIEF DESCRIPTION OF THE DRAWINGS In the detailed description of the invention presented below, reference is made to the accompanying drawings, in which:
Fig. 1 is a top plan view of a preferred embodiment of the locking mechanism of this invention incorporated in a reel storage container and showing the hub member in its "closed" position; Fig. 2 is a section view taken substantially along line 2-2 of Fig. 1;
Fig. 3 is an exploded perspective view of the locking mechanism of this invention; Fig. 4 is an enlarged seg ental top plan view of the central portion of the reel storage container of Fig. 1 with the hub member of the locking mechanism removed; and Fig. 5 is an enlarged seg ental top plan view of the locking mechanism of Fig. 1 showing the spring latch arm in its unlatched position.
DETAILED DESCRIPTION OF THE INVENTION Referring now to Figs. 1 and 2 of the drawings, a preferred embodiment of the locking mechanism 10 of this invention is shown incorporated in a reel storage container 12. The container (Fig. 2) comprises a cover portion 14 having a flat plate 16. a central cylindrical boss 18 depending from the plate, and spaced walls 20 depending from the plate at the periphery thereof to form a groove 22 for receiving a resilient seal, such as an O-ring 24. for example. The container 12 further comprises a receptacle portion 26 having a flat plate 28. a central cylindrical boss 30 upstanding from the plate, and a wall 32 upstanding from the plate at the periphery thereof. Wall 32 is insertable in groove 22 when the container is closed by mounting the cover 14 on the receptacle 26. A handle 34
(Fig.l) for container 12 is integrally formed on a corner of wall 32.
In the closed position of container 12. the aligned central bosses 18. 30 form a core for supporting a reel 36 of tape, not shown. When container 12 is locked, clockspringing of reel 36 is prevented by (1) friction between the outer surface of the core and the inner surface of the reel mounted thereon, (2) friction between outer surfaces of reel flanges 38 and the outer surfaces of ribs 40 projecting from flat plates 16. 28 and extending radially from the bosses 18. 30. and (3) friction between circular ribs 42 laterally extending from the inner surfaces of the flat plates 16. 28. The locking mechanism 10 for releasably locking the cover and receptacle portions 14. 26 respectively together, will now be described with reference to Figs. 1-3. The locking mechanism 10 comprises a single-part hub member 44 having a tubular body member 46 provided at one end with an enlarged cylindrical, cup-shaped handle-latch member 48. The handle-latch member has a circular base 50 perpendicular to the axis of body 46. and an annular peripheral rim 52 integral with the base and axially extending from one side surface thereof.
A spring latch arm 54 on hub member 44 is defined as best seen in Fig. 3 by a continuous irregular slot extending through base 50. The slot has a blind portion 56 adjacent an angular portion of rim 52. and another portion 60 defining a base segment 62. and passing through rim 52. One end 66 of spring latch arm 54 forms an integral part of rim 52, and its opposite end 68 is free for pivotal movement about end 66. An arcuate upstanding finger 70 (Fig. 1) is integral with base segment 62 to form a handle by which latch arm 54 may be pivotally moved from a normal latched position, in which hub member 44 is latched to cover portion 14, to an unlatched position, shown in Fig. 5. The opposite side of base segment 62 has a depending pin 72 which is in alignment with a V-shaped indicium 74 on the upper surface of a free end portion 68 of arm 54. The aforementioned cylindrical boss 18 on cover portion 14 is cup-shaped, having an upper circular cavity 76 and lower wall 78. as best seen in Fig. 3. The lower wall has a central opening 80 defining a circular shoulder 82 and diametrically opposed, peripheral slots 84. as best seen in Fig. 4. The upper surface of wall 78 has an arcuate upstanding latch shoulder 88 having a first V-shaped notch 90 contiguous to one end of shoulder 88 forming a stop surface. A second V-shaped notch 92 is provided in shoulder 88 angularly spaced approximately 90 degrees from notch 90. A third notch 94 is located at the other end of shoulder 88 having radially extending leading and trailing V-shaped stop surfaces 96. 98. The lower surface of wall 78, as best seen in Fig. 2. has a shelf 104 and a circular peripheral recess 106 into which an annular resilient ring 108 is secured by any suitable means.
As best seen in Fig. 4. a rim 110 of the cover plate surrounding upper cavity 76 is provided with V-shaped indicia marked "open." "closed" and "locked" in alignment with first, second and third notches 90. 92, 94 respectively.
Base 50 is further provided with an axially extending, manually engageable rib handle 112
(Fig. 1) having one end integral with rim 52. and an opposite bifurcated end 114 partially surrounding finger 70 for preventing inadvertent engagement and movement of the finger and spring latch arm 54 to its unlatched position. The rib handle 112 provides a means for rotatably moving hub member 44 between the "open", "closed" and "locked" positions.
The hub member 44 (Fig. 3) further has diametrically opposed, radially extending cam followers 116 at the opposite end of body member
46. The body member also has diametrically opposed, radially extending stop lugs 118. and angularly spaced therebetween, diametrically opposed, radially movable detents, only one of which is shown, defined by U-shaped slots 122. The slots extend through tubular body 46 to form spring arms 124 having radially extending bevelled lips 126 at the free ends thereof. The function of the lugs 118 and lips 126 will be described hereinafter.
With reference to Figs. 2 and 3, boss 30 is an inverted cylindrical cup-shaped member having an upper wall 128 and a lower circular cavity 130 closed off by a circular plate 131 secured to boss 30 by any suitable means. The upper wall has a central opening 132 defining a circular shoulder 134 and diametrically opposed, peripheral slots 136 for receiving hub body portion 46 and cam followers 116 when cover portion 14 is mounted on receptacle portion 26. Upper wall 128 (Fig. 3) further has lower ramp surfaces 138 surrounding opening 132 which are slidably engaged by a tapered surface 140 on cam followers 116 when hub member 44 is moved from its "open" position to the "closed" or "locked" positions. Movement of cam followers 116 on cam ramp surfaces 138 pulls the cover and receptacle portions 14. 16 respectively of container 12 tightly together to grip reel 36 therebetween for handling and/or shipping. The hub member 44 is rotatably mounted on cover portion 14 by initially aligning cam followers 116 with slots 84 and arm indicium 74 with the "closed" indicia, as seen in Fig. 1. The hub member 44 is lowered causing body portion 46 to enter central opening 80. and cam followers 116 to pass through slots 88. Depression of hub member 44 downwardly into its mounted position causes bevelled lips 126 of the detents to move radially inwardly and then to spring out when the lips pass through opening 80 to move in the path of shelf 104 (Fig. 1). and prevent removal of the hub member from cover portion 14.
To assemble or separate the cover and receptacle portions 14. 26 respectively, hub member 44 is rotated by rib 76 until indicium 74 is in alignment with the "open" indicium. The cover portion 14 is mountable on receptacle portion 26 in only one position by virtue of the non-symmetrical interengaging walls. 20, 32. In this position, hub body portion 46 and cam followers 116 pass through central opening 132 and slots 136 in boss 30 for mounting or removal of cover portion 14 onto or from receptacle portion 26. Also, pin 72 nests in first notch 90 due to the resilience of spring latch arm 54.
After the cover and receptacle portions 14, 26 respectively of container 12. are assembled with or without a reel 36 mounted therein, hub member 44 is manually moved by rib handle 112 from the "open" position to the "closed" position to move the cover and receptacle into tightly closed engagement. During this movement (see Fig. 4). pin 72 slides out of first notch 90. slides along shoulder 88 and nests in second notch 92 where it is releasably held by the resilience of spring latch arm 54. Also, cam followers 140 slide on ramp surfaces 138 causing cover and receptacle portions 14, 26 respectively to be pulled together compressing resilient ring 108 and clamping reel 36 between ribs 40, 42. if one is present. If it is desired to ship container 12 by mail, for example, the hub member 44 is moved by rib handle 112 to the "locked" position where pin 72 is trapped in third notch 94. In this position. container 12 is locked and any attempt to move hub member 44 in either direction is blocked by pin 72 engaging V-shaped stop surfaces 96. 98 of notch 94. To open container 12 at its destination. finger 70 (Fig. 1) is engaged and moved inwardly into the position seen in Fig. 5. withdrawing pin 72 from notch 94 to unlatch hub member 44 from cover portion 14. Hub member 44 is then manually moved by rib handle 112 to its "open" position aligning cam followers 116 with slots 136 to allow cover portion 14 to be removed from receptacle portion 26.

Claims

Claims
1. A locking mechanism (10) for releasably coupling together cover and receptacle portions (14. 26) respectively of a reel storage container (12) comprising: a manually movable single-part hub member (44) adapted to be mounted on said cover portion (14) for movement relative thereto between "open" and "closed" positions, said hub member (44) having a cam follower (116); a cam member (128) defining a ramp surface (138) on said receptacle portion (26) which is out of engagement with said cam follower (116) when said hub member (44) is in said "open" position to allow positioning said cover and receptacle portions (14. 26) in loosely closed relationship, and is in sliding engagement with said cam follower (116) when said hub member (44) is moved to said "closed" position to draw said cover and receptacle portions into tightly closed engagement; and detent means (54. 72. 88. 90. 92. 94) for said hub member (44) and cover portion (14) comprising a manually movable spring latch arm (54) formed as an integral part of said hub member (44) and movable between a normal latched position in which said hub member (44) and said cover portion (14) are releasably latched together in said "open" and "closed" positions, and an unlatched position.
2. A locking mechanism (10) according to claim 1 wherein said hub member (44) has a circular end portion (48). and said spring latch arm (54) is of arcuate shape having one end (66) integral with said end portion (48) and its opposite end (68) free for manual movement between said latched and unlatched positions.
3. A locking mechanism (10) according to claim 2 wherein said hub end portion (48) comprises a base (50) having a peripheral annular rim (52) extending therefrom, and said latch arm (54) comprises a portion of said annular rim.
4. A locking mechanism (10) according to claim 3 wherein said latch arm (54) extends along substantially 90 degrees of said annular rim (52).
5. A locking mechanism (10) according to claim 2 wherein said circular hub member end portion (48) is cup-shaped, having a base (50) and a peripheral annular rim (52) projecting therefrom. and said latch arm (54) is defined by a continuous slot (56. 60) extending through said base (50) and said annular rim (52) such that said latch arm (54) has an end portion (66) which is an integral part of said annular rim (52) and an opposite end portion (68) free for manual movement between said latched and unlatched positions.
6. A locking mechanism (10) according to claim 5 wherein said free end (68) of said latch arm (54) has a base (50) integral therewith and a manually engageable finger (70) by which said latch arm (54) is moved to its unlatched position.
7. A locking mechanism (10) according to claim 6 wherein said base (50) has a manually engageable rib (112) integral with and upstanding from said base (50) by which said hub member (44) is manually moved between said "open" and "closed" positions.
8. A locking mechanism (10) according to claim 7 wherein said rib (112) has a bifurcated end portion (114) partially surrounding said finger (70) for preventing inadvertent movement of said latch arm (54) to its unlatched position.
9. A locking mechanism (10) according to claim 1 wherein said hub member (44) comprises (1) a cylindrical body portion (46) rotatably mounted on said cover portion (14). (2) an enlarged cup-shaped end portion (48) of said body having a base (50) perpendicular to the axis of said hub member (44) and a peripheral annular rim (52) integral with said base (50) and axially extending from one side surface thereof, and (3) radially extending cam followers (116) at the opposite end portion of said body portion (46); and said spring latch arm (54) comprises an arcuate segment of said annular rim
(52) defined by a continuous slot (56. 60) extending through said base (50) and said annular rim (52) such that said latch arm (54) has an end portion (66) which is an integral part' of said annular rim (52) and a free opposite end portion (68) for manual movement between said latched and unlatched positions.
10. A locking mechanism (10) according to claim 9 wherein said free end (68) of said latch arm (54) has a base segment (62) integral therewith and a manually engageable finger (70) integral with and upstanding from one side of said base segment (62) by which said arm (54) is moved to its unlatched position.
11. A locking mechanism (10) according to claim 10. wherein said detent means (54. 72. 88. 90. 92. 94) further comprises a pin (72) on said base segment (62) extending axially from the opposite side thereof, and a circular axially extending shoulder (88) on said cover portion (14) having first and second angularly spaced notches (90. 92) respectively engageable by said pin (72) for releasably holding said hub member (44) in said "open" and "closed" positions respectively.
12. A locking mechanism (10) according to claim 11 wherein said hub member (44) has a "locked" position and is movable past its "closed" position to said "locked" position in which said pin (72) is captured in a third notch (94) in said cover portion (14) to prevent movement of said hub member (44), said pin (72) being released upon manual movement of said latch arm (54) to its unlatched position.
13. A locking mechanism (10) according to claim 12 wherein said first notch (90) is V-shaped and said shoulder (88) has a first stop surface contiguous with said first notch and engageable by said pin (72) in said "open" position of said hub member (44). said second notch (92) is V-shaped for releasably holding said pin (72) in said "closed" position, and said third notch (94) has radially extending leading and trailing stop surfaces (96. 98) respectively between which said pin (72) is captured for holding said hub member (44) in said "locked" position.
14. A locking mechanism (10) according to claim 13 wherein said leading and trailing stop surfaces (96. 98) respectively have facing V-shaped grooves for receiving and preventing angular movement of said pin (72) when said hub member (44) is in its "locked" position and said latch arm (54) is in its normal latched position.
15. A locking mechanism (10) according to claim 14 wherein said base (50) has a manually engageable rib handle (112) integral with and upstanding from said base (50) by which said hub member (44) is moved between said "open" and "closed" positions.
16. A locking mechanism (10) according to claim 16 wherein said rib handle (112) has a bifurcated end portion (114) partially surrounding said finger (70) for preventing inadvertent movement of said spring arm (54) to its unlatched position.
PCT/US1986/001783 1985-09-13 1986-08-29 A locking mechanism for a reel storage container WO1987001857A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686905592T DE3678563D1 (en) 1985-09-13 1986-08-29 REEL STORAGE CONTAINER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US776,073 1985-09-13
US06/776,073 US4676370A (en) 1985-09-13 1985-09-13 Locking mechanism for a reel storage container

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WO1987001857A1 true WO1987001857A1 (en) 1987-03-26

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US (1) US4676370A (en)
EP (1) EP0236435B1 (en)
JP (1) JPS63500967A (en)
WO (1) WO1987001857A1 (en)

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Also Published As

Publication number Publication date
EP0236435B1 (en) 1991-04-03
EP0236435A1 (en) 1987-09-16
JPS63500967A (en) 1988-04-07
US4676370A (en) 1987-06-30

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