US2925212A - Box with manually-releasable latch mechanism - Google Patents
Box with manually-releasable latch mechanism Download PDFInfo
- Publication number
- US2925212A US2925212A US668177A US66817757A US2925212A US 2925212 A US2925212 A US 2925212A US 668177 A US668177 A US 668177A US 66817757 A US66817757 A US 66817757A US 2925212 A US2925212 A US 2925212A
- Authority
- US
- United States
- Prior art keywords
- box
- tongue
- lid
- flap
- latch mechanism
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/64—Lids
- B65D5/66—Hinged lids
- B65D5/6626—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank
- B65D5/665—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank the lid being held in closed position by self-locking integral flaps or tabs
- B65D5/6661—Flaps provided over the total length of the lid edge opposite to the hinge
Definitions
- the present invention relates to a novel box. More particularly," the present invention relates to a novel release latch for a box which makes it" possible to' quickly and easily lift the lid of the box whenever necessary.
- the latch includes a pair of cooperating tongue'members, one cut from the front wall of the box and the second formed onthe flap of-the lid of; the box.
- the tongue on the lid normally operates to retain the lid of the box in the closed position by engaging an abutment on the inside of the front wallof the-box. Pressure on the outer tongue, however, releases the, engagement of the innertongue with theabutment and permits thelid. of the box to spring upwardly to at least a partially-open position.
- Figure 1 represents an elevational view of a pre-cut and scored box blank from which the box of the present invention may be assembled
- Figures 2-4 represent the box blank of Figure 1 in various stages of assembly
- Figure 5 represents an elevational view of one embodiment of the novel box of my invention
- Figure 6 represents a cross-sectional view taken along the line 66 of Figure 5;
- Figure 7 represents a cross-sectional view of the latch mechanism of the box depicted in Figure 5 when the lid is in the closed position;
- Figure 8 represents an elevational view of an alternate embodiment of the invention.
- Figure 9 represents a cross-sectional view of the latch mechanism of the box depicted in Figure 8 when the lid 7 is in the closed position.
- box of Figure 5 is assembled from a single pre;cutand scoredbox blanlgas illustrated in Figures l-
- the box consists of a front wall 10, rear wall 11, side walls 12 and 13, abottom 14, and a lid 15 having a flap 16 at its front end,
- the side walls 12 and 13 are each provided with a pair offront and rear panel extensions 17, 17 and 18; 18"
- the panel extensions are formedintegral with the side walls 12 and- 13.
- the front wall 10 has been. cut, as; atlQ, to provide a generallyupwardly extending tongue member 20,
- the cut- 19 is. of such ajcbnfiguration that the; tongue 20 is integral at its base with the frontwall 1 0 in which it is formed.
- Panel members 17-, 17* are each provided with cooperating cutaway; portions 21, 21': which in the assembled position are coextensive with at least the uppermost portion of the tongue member 20.
- the fiap 16 has also been, cut as at 22 to provide a tongue member 23 integral with the flap.
- the tongue member 23 is of such a size and such a configuration that when the flap 16 is in the closed position, tongues 23 and 29; will be substantially coextensive and will lie one ad-
- the cut 22 in flap 16 is so made that the tongue 23 will normally tend to incline a slight amount in an outward direction when in repose rather than lie entirely in the plane of flap 16, as illustrated more particularly in Figure 3. This is conventional in the box-. malging arts, and is easily done, for example, by scoring tongue 23 at its base and breaking the tongue forward about this score.
- the operation of the latch mechanism is as follows.
- the tongue 23 in flap 16 normally leans in. an outward position, as described above.
- the out: wardly leaning tongue 23 will' engagetheabutment formed by the cutaway portions 21,12 1" in panel extensions 17; 117;.
- The; engagement of the. tongue 23.with the underside of the top edges of these cutaway portions normally tends to retain the lid 15 in the closed position. Howevenwhen tongue 20 is deflected, inwardly, for example, with manual pressure'it forces tongue 23 back into the plane of flap i6 andout of contact with the edges of cutaway, portions 21 21'.
- the inherent resiliency of the folded material from; whichthe box is formed will frequently.
- FIG 8 there is illustrated an alternate embodiment of the invention in which the tongue 24 is formed as an extension of the flap 16 which is then folded upward about the lowermost edge of the flap.
- the operation of this embodiment of the invention is illustrated in Figure 9 which shows tongue 24 latched in the closed position underneath the uppermost edge of the cutaway portions 21, 21'. All other components of this embodiment are exactly the same as those of the box illustrated in Figure 5, and the latch is released by the same means, i.e., by inward pressure on tongue 20.
- the lid 15 of the box of the present invention may be provided with a tab member, illustrated at 25 in Figures 8 and 9, cut directly from lid.
- the tab member 25 projects over the front side 10 of the box, as shown in Figure 9, and provides a convenient projection for grasping to elevate the lid 15.
- the tongue member 20 and the cooperating tongue 2-3 or 24 may be of any suitable configuration, provided only that the tongue in the front wall and the tongue in the flap of the lid are in proper proximity to coact in the manner described above.
- the tongues may be narrow or broad, tall or short. They may be rounded, as illutrated inthe drawings, or squared, or angular.
- the specific size and shape of the tongues'isthus in no way critical to the present invention, so long as the tongues can operate to form a releasable latch in the aforementioned mannen, i a a
- the abutment provided by the cutaway portions 21, 21' in panel'extensions 17, 17 may be formed in any suitable fashion in lieu of that described above.
- cutaway portions 21, 21 may be of a different'size or configuration from that illustrated in Figure 2, or panels 17, 17' may be considerably reduced in size, or the abutment may, if desired, be formed by a separate I of which lies just I atop the uppermost extremity of the piece ofmaterial which is affixed at. the appropriate place,
- Thebox can beformed'of cardboard or anyzothe'r'suitable material which is cornmonly'u'sed for the manufacture of boxes and may be made in any size or shape desired, depending upon the intended end-use. retained in assembled position by any suitable means, such as, for example, by glueing,'taping, or staple-stitchmg. 7 4 r It will be readily apparent from the foregoing descrip-
- the box may be tion that the box of the present invention is a convenient container which will remain closed under normal conditions.
- the latch member for securing the lid in the closed position is easily released by light manual pressure to open the lid and gain access to the contents of the box.
- the box is simple to manufacture, being assembled generally from a single box blank.
- a releasable latch mechanism comprising an inwardly movable tongue in the said frontwall formed by a suitably-shaped cut in the wall, said tongue extending in a generally upward direction and being connected at its base to the main body of said front wall, an abutment on the inner face of the front wall at least a portion tongue, said abutment-being formed integral with the unfolded box blank from which the box is formed, an outwardly inclined tongue on the flap of the lid having a size and configuration similar to the inwardly movable tongue of the front wall and being so positioned that the two tongues are substantially coextensive when the lid of the .box is in the closed position, said outwardly inclined tongue engaging said. abutment when the' lid of the box is in the closed position and said first-named tongue serving to disengage said outwardly inclined tongue when the first named
- a releasable latch mechanism comprising an inwardly movable tongue in the said front wall formed by a suitably-shaped cut in the wall, said tongue extending in a generally upward direction andbeing connected at its base to the main body of said front wall, an abutment on the inner face of the front wall at least a portion of which lies just atop the uppermost extremity of the tongue, an outwardly inclined tongue on the flap of the lid having a size and configuration similar to the inwardly movable tongue of the front wall 'and'being so positioned that the two tongues are substantially coextensive: when the lid of the box is in the closed position, said outwardly inclined tongue on the flap of-the lid being formed as an extension of the flap which is' folded back about the lower edgeiof the flap.
Description
Feb. 16, 1960 I R. F. WELSH, JR 2,925,212
BOX WITH MANUALLYRELEASABLE LATCH MECHANISM Filed June 26. 1957 2 Sheets-Sheet 1 INVENTOR RiCHARD F. WELSH, JR.
ATTORNEY Feb- 1 1 R. F. WELSH, JR 2,925,212
BOX WITH MANUALLY-RELEASABLE LATCH MECHANISM Filed June 26, 1957 2 Sheets-Sheet -2 INVENTOR RlCHARD F. WELSH, JR.
\ ATTO EY United States Paten 12 25 212 nox MANUALLY RELEASABLE Application June 26, 1957, Serial No,
The present invention relates to a novel box. More particularly," the present invention relates to a novel release latch for a box which makes it" possible to' quickly and easily lift the lid of the box whenever necessary.
In the packaging'of manyjproducts, it is desirable to have a box, the lid of which will not tend to pop open spontaneously, but which can nevertheless be lifted quickly and easily at the appropriate times. In some cases, it is desirable, for example, that the lid of a box which is normally secure in the closed position be susceptible of opening with a minimum. of time, elfort, and manual manipulation. g
It is an; object of the present inventionto provide a box with a; lid which is normally, secure in the closed position but whichmay nevertheless be quickly, and easily opened when-desired. It is a further object to provide such a jacent the other.
box which is economical to, manufacture and assemble and which can easily be produced in large'quantities. Other and additional objects will become apparent from a consideration of the ensuingspecification and claims.
Broadly speaking,- my: novel boxcontains a release latch which is foil-tied directly fromthe' walls of the box and does not, for the most part, require any additional components. The latchincludes a pair of cooperating tongue'members, one cut from the front wall of the box and the second formed onthe flap of-the lid of; the box. The tongue on the lid normally operates to retain the lid of the box in the closed position by engaging an abutment on the inside of the front wallof the-box. Pressure on the outer tongue, however, releases the, engagement of the innertongue with theabutment and permits thelid. of the box to spring upwardly to at least a partially-open position.
In order to describe the invention more clearly, reference is made to the accompanying drawings which will illustrate several embodiments of the novel box of the present invention. The drawing is for purposes of illustration only and is not to be regarded in any Way as a limitation on the scope of the invention.
Referring more particularly to the drawings,
Figure 1 represents an elevational view of a pre-cut and scored box blank from which the box of the present invention may be assembled;
Figures 2-4 represent the box blank of Figure 1 in various stages of assembly;
Figure 5 represents an elevational view of one embodiment of the novel box of my invention;
Figure 6 represents a cross-sectional view taken along the line 66 of Figure 5;
Figure 7 represents a cross-sectional view of the latch mechanism of the box depicted in Figure 5 when the lid is in the closed position; a
Figure 8 represents an elevational view of an alternate embodiment of the invention; and
Figure 9 represents a cross-sectional view of the latch mechanism of the box depicted in Figure 8 when the lid 7 is in the closed position.
Referring in greater detail to the various figures, the
, 2,925,212 P e ted Fe 16,- 11.969
box of Figure 5 is assembled from a single pre;cutand scoredbox blanlgas illustrated in Figures l- The box consists of a front wall 10, rear wall 11, side walls 12 and 13, abottom 14, and a lid 15 having a flap 16 at its front end, The side walls 12 and 13 are each provided with a pair offront and rear panel extensions 17, 17 and 18; 18" The panel extensions are formedintegral with the side walls 12 and- 13. The front wall 10 has been. cut, as; atlQ, to provide a generallyupwardly extending tongue member 20, The cut- 19 is. of such ajcbnfiguration that the; tongue 20 is integral at its base with the frontwall 1 0 in which it is formed. Panel members 17-, 17* are each provided with cooperating cutaway; portions 21, 21': which in the assembled position are coextensive with at least the uppermost portion of the tongue member 20.
' The fiap 16 has also been, cut as at 22 to provide a tongue member 23 integral with the flap. The tongue member 23 is of such a size and such a configuration that when the flap 16 is in the closed position, tongues 23 and 29; will be substantially coextensive and will lie one ad- The cut 22 in flap 16 is so made that the tongue 23 will normally tend to incline a slight amount in an outward direction when in repose rather than lie entirely in the plane of flap 16, as illustrated more particularly in Figure 3. This is conventional in the box-. malging arts, and is easily done, for example, by scoring tongue 23 at its base and breaking the tongue forward about this score.
The operation of the latch mechanism is as follows. The tongue 23 in flap 16 normally leans in. an outward position, as described above. When thelid 15is closed, with flap 16 tucked down behind. front wall 19, the out: wardly leaning tongue 23 will' engagetheabutment formed by the cutaway portions 21,12 1" in panel extensions 17; 117;. The; engagement of the. tongue 23.with the underside of the top edges of these cutaway portions normally tends to retain the lid 15 in the closed position. Howevenwhen tongue 20 is deflected, inwardly, for example, with manual pressure'it forces tongue 23 back into the plane of flap i6 andout of contact with the edges of cutaway, portions 21 21'. The inherent resiliency of the folded material from; whichthe box is formed will frequently. cause the lid 15; todefiect at least a short distance upwardly. At any rate, the lid is then easily grasped and'lifted to give. access to. the contentsof the box; When the box is closed again by replacing the lid, the outwardly inclined tongue 23 will again engage the upper edge of cutaway portions 21,
21 to secure the lid 15 in its closed postion until released again.
In Figure 8 there is illustrated an alternate embodiment of the invention in which the tongue 24 is formed as an extension of the flap 16 which is then folded upward about the lowermost edge of the flap. The operation of this embodiment of the invention is illustrated in Figure 9 which shows tongue 24 latched in the closed position underneath the uppermost edge of the cutaway portions 21, 21'. All other components of this embodiment are exactly the same as those of the box illustrated in Figure 5, and the latch is released by the same means, i.e., by inward pressure on tongue 20.
If desired, the lid 15 of the box of the present invention may be provided with a tab member, illustrated at 25 in Figures 8 and 9, cut directly from lid. The tab member 25 projects over the front side 10 of the box, as shown in Figure 9, and provides a convenient projection for grasping to elevate the lid 15.
The tongue member 20 and the cooperating tongue 2-3 or 24 may be of any suitable configuration, provided only that the tongue in the front wall and the tongue in the flap of the lid are in proper proximity to coact in the manner described above. The tongues may be narrow or broad, tall or short. They may be rounded, as illutrated inthe drawings, or squared, or angular. The specific size and shape of the tongues'isthus in no way critical to the present invention, so long as the tongues can operate to form a releasable latch in the aforementioned mannen, i a a Similarly, the abutment provided by the cutaway portions 21, 21' in panel'extensions 17, 17 may be formed in any suitable fashion in lieu of that described above. For example, cutaway portions 21, 21 may be of a different'size or configuration from that illustrated in Figure 2, or panels 17, 17' may be considerably reduced in size, or the abutment may, if desired, be formed by a separate I of which lies just I atop the uppermost extremity of the piece ofmaterial which is affixed at. the appropriate place,
'su'ch as by" glueing, to the inner, face of front wall 10'.
Thebox can beformed'of cardboard or anyzothe'r'suitable material which is cornmonly'u'sed for the manufacture of boxes and may be made in any size or shape desired, depending upon the intended end-use. retained in assembled position by any suitable means, such as, for example, by glueing,'taping, or staple-stitchmg. 7 4 r It will be readily apparent from the foregoing descrip- The box may be tion that the box of the present invention is a convenient container which will remain closed under normal conditions. The latch member for securing the lid in the closed position, however, is easily released by light manual pressure to open the lid and gain access to the contents of the box. To lock the lid in the closed position thereafter, it is only necessary to close the lid and the outwardly inclined tongue member 23 will automatically catch underneath the abutment formed by the top edges of cutaway portions 21, 21'. The box is simple to manufacture, being assembled generally from a single box blank.
The invention has been described at length in the foregoing specification. It will be expressly understood, however, that many variations may be made in the form, shape,
1 and materials of construction, and in other details of the box,'without departing from the spiritof the present invention. I intend to be limited therefore only bythe following claims. t
I claim: a
, 1. In a box having a lid with a fiap, the flap-of which in the closed position tucks down behind the frontwall of the box, a releasable latch mechanism comprising an inwardly movable tongue in the said frontwall formed by a suitably-shaped cut in the wall, said tongue extending in a generally upward direction and being connected at its base to the main body of said front wall, an abutment on the inner face of the front wall at least a portion tongue, said abutment-being formed integral with the unfolded box blank from which the box is formed, an outwardly inclined tongue on the flap of the lid having a size and configuration similar to the inwardly movable tongue of the front wall and being so positioned that the two tongues are substantially coextensive when the lid of the .box is in the closed position, said outwardly inclined tongue engaging said. abutment when the' lid of the box is in the closed position and said first-named tongue serving to disengage said outwardly inclined tongue when the first named tongue is deflected inwardly.
2. A box as in claiml, wherein the outwardly inclined tongue on thefiapofthe lid is formed in the flap by a suitably-shaped cut. f 7 V 3. A box as in claim 1, wherein the outwardly inclined tongue on the flap of the lid isforrned as an extension of the flap which is folded back about the lower edge of 'th eflap.
4.' In a box having a lid with arflap,v the flap of which ll'lxthC closed position tucks down behind the front wall of the box, a releasable latch mechanism comprising an inwardly movable tongue in the said front wall formed by a suitably-shaped cut in the wall, said tongue extending in a generally upward direction andbeing connected at its base to the main body of said front wall, an abutment on the inner face of the front wall at least a portion of which lies just atop the uppermost extremity of the tongue, an outwardly inclined tongue on the flap of the lid having a size and configuration similar to the inwardly movable tongue of the front wall 'and'being so positioned that the two tongues are substantially coextensive: when the lid of the box is in the closed position, said outwardly inclined tongue on the flap of-the lid being formed as an extension of the flap which is' folded back about the lower edgeiof the flap. a i
. References Cited in the file of this patent UNITED STATES'PATENTS 584,038 Great Britain Jan. 6, 1947
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US668177A US2925212A (en) | 1957-06-26 | 1957-06-26 | Box with manually-releasable latch mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US668177A US2925212A (en) | 1957-06-26 | 1957-06-26 | Box with manually-releasable latch mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
US2925212A true US2925212A (en) | 1960-02-16 |
Family
ID=24681308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US668177A Expired - Lifetime US2925212A (en) | 1957-06-26 | 1957-06-26 | Box with manually-releasable latch mechanism |
Country Status (1)
Country | Link |
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US (1) | US2925212A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4948038A (en) * | 1989-04-11 | 1990-08-14 | Philip Morris Incorporated | Freshness-preserving container |
US20050173505A1 (en) * | 2004-02-09 | 2005-08-11 | Howell Packaging Division Of F.M. Howell & Company | Package having locking mechanism and reinforced cell |
US20060032899A1 (en) * | 1998-08-04 | 2006-02-16 | Bell Matthew C | Foldable carton |
US20100181311A1 (en) * | 2007-06-15 | 2010-07-22 | Claude Costecalde | Box blank |
EP3031740A3 (en) * | 2014-12-09 | 2016-08-31 | Multi Packaging Solutions, Inc. | Container made from a flat foldable packaging |
SE1950918A1 (en) * | 2019-08-06 | 2021-02-07 | Stora Enso Oyj | Package with a box shaped base and a lid |
GB2599650A (en) * | 2020-10-06 | 2022-04-13 | Pat Mcgrath Cosmetics Llc | Cosmetic-product packaging and method of manufacture thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US117349A (en) * | 1871-07-25 | Improvement in pasteboard packing-boxes | ||
US399891A (en) * | 1889-03-19 | Paper box | ||
US454636A (en) * | 1891-06-23 | Box for | ||
US1776628A (en) * | 1927-10-15 | 1930-09-23 | Bakeries Service Corp | Cardboard-box fastener |
US2404067A (en) * | 1943-12-31 | 1946-07-16 | Lawrence Paper Co | Container and closure therefor |
GB584038A (en) * | 1944-11-02 | 1947-01-06 | Christian Kunzle | Improvements relating to cardboard or like boxes |
-
1957
- 1957-06-26 US US668177A patent/US2925212A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US117349A (en) * | 1871-07-25 | Improvement in pasteboard packing-boxes | ||
US399891A (en) * | 1889-03-19 | Paper box | ||
US454636A (en) * | 1891-06-23 | Box for | ||
US1776628A (en) * | 1927-10-15 | 1930-09-23 | Bakeries Service Corp | Cardboard-box fastener |
US2404067A (en) * | 1943-12-31 | 1946-07-16 | Lawrence Paper Co | Container and closure therefor |
GB584038A (en) * | 1944-11-02 | 1947-01-06 | Christian Kunzle | Improvements relating to cardboard or like boxes |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4948038A (en) * | 1989-04-11 | 1990-08-14 | Philip Morris Incorporated | Freshness-preserving container |
US20060032899A1 (en) * | 1998-08-04 | 2006-02-16 | Bell Matthew C | Foldable carton |
US20050173505A1 (en) * | 2004-02-09 | 2005-08-11 | Howell Packaging Division Of F.M. Howell & Company | Package having locking mechanism and reinforced cell |
US6957765B2 (en) | 2004-02-09 | 2005-10-25 | Howell Packaging A Division Of F.M. Howell & Company | Package having locking mechanism and reinforced cell |
US20100181311A1 (en) * | 2007-06-15 | 2010-07-22 | Claude Costecalde | Box blank |
EP3031740A3 (en) * | 2014-12-09 | 2016-08-31 | Multi Packaging Solutions, Inc. | Container made from a flat foldable packaging |
US10239653B2 (en) | 2014-12-09 | 2019-03-26 | Multi Packaging Solutions, Inc. | Flat foldable packaging |
SE1950918A1 (en) * | 2019-08-06 | 2021-02-07 | Stora Enso Oyj | Package with a box shaped base and a lid |
WO2021024151A1 (en) * | 2019-08-06 | 2021-02-11 | Stora Enso Oyj | Package with a box shaped base and a lid |
SE545568C2 (en) * | 2019-08-06 | 2023-10-24 | Stora Enso Oyj | Package with a box shaped base and a lid |
GB2599650A (en) * | 2020-10-06 | 2022-04-13 | Pat Mcgrath Cosmetics Llc | Cosmetic-product packaging and method of manufacture thereof |
EP3981707A1 (en) * | 2020-10-06 | 2022-04-13 | Pat McGrath Cosmetics LLC | Cosmetic-product packaging and method of manufacture thereof |
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