WO2000015965A1 - A locking device and an adjustable frame comprising a locking device - Google Patents

A locking device and an adjustable frame comprising a locking device Download PDF

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Publication number
WO2000015965A1
WO2000015965A1 PCT/SE1999/001614 SE9901614W WO0015965A1 WO 2000015965 A1 WO2000015965 A1 WO 2000015965A1 SE 9901614 W SE9901614 W SE 9901614W WO 0015965 A1 WO0015965 A1 WO 0015965A1
Authority
WO
WIPO (PCT)
Prior art keywords
end portion
outer member
locking device
inner member
recess
Prior art date
Application number
PCT/SE1999/001614
Other languages
French (fr)
Inventor
Lars LINDELÖF
Original Assignee
Marianne Trading Ab
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 Marianne Trading Ab filed Critical Marianne Trading Ab
Priority to AU63785/99A priority Critical patent/AU6378599A/en
Publication of WO2000015965A1 publication Critical patent/WO2000015965A1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B67/00Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/12Sack holders, i.e. stands or frames with means for supporting sacks in the open condition to facilitate filling with articles or materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10Telescoping systems
    • F16B7/105Telescoping systems locking in discrete positions, e.g. in extreme extended position

Definitions

  • a locking device and an adjustable frame comprising a locking device .
  • the present invention relates to a locking device for __ adjustable members and an adjustable frame for elastic bags comprising such a locking device.
  • US 5,308,027 shows a frame with four sides and a plate to make the transport of garbage into the bag easier.
  • the length of two sides of the frame is adjustable to adapt to the size of the bag.
  • the adjustment means disclosed comprises releasable fastening means to retain the telescoping legs of the frame in a selected position with respect to each other.
  • the bag is attached to the frame by moving the frame into the bag opening and arranging clips from the outside around the frame, which means that the bag is arranged between the clips and the frame .
  • the adjustment means comprises a spring loaded part that is contained inside an inner tube and which part fixates an outer tube, when openings in the outer tube align with the spring loaded part .
  • a more sophisticated locking mechanism is disclosed in the German document DE 3625287 Al, where an inner tube is provided with tapered recesses and an outer tube is provided with two lips, each lip having a tapered protrusion.
  • the outer tube also have a spring loaded locking mechanism that holds each protrusion m one of the recesses, thereby preventing the inner tube to move m relation to the outer tube.
  • the inner tube may, due to the tapering of the protrusions/lips, be moved m relation to the outer tube when the inner tube is subject to a force m the desired direction.
  • the object with the present invention is to provide a locking device for adjustable members that is easy to manufacture, comprising no loose parts.
  • a further object is to provide an adjustable frame, comprising at least one locking device, where the frame easily may be __ fixated to the mouth of an elastic bag with tension, when the locking device is activated, and may be easily removed from the mouth of the elastic bag by deactivating said locking device.
  • a locking device comprising an outer member having a lever shaped lip provided thereon, said outer member being at least partially tubular, said lip having an end portion being arranged to the inside of said outer member, an inner member having at least one recess being provided thereon, said inner member being arranged inside said outer member, said at least one recess being provided on an outside of said inner member, said end portion, in a first position, is extendable into one of said at least one recess, whereby said inner member is prevented from moving relative to said outer member in at least one direction, said end portion, in a second position, is retractable from said at least one recess, whereby said inner member is movable relative to said outer member in said at least one, said end portion being biased into said first position, and said lever shaped lip is provided with an actuating device provided on an outside of said outer member, whereby said end portion is movable to said second position when said actuating device is actuated.
  • the problems concerning the adjustable frame comprising a locking
  • An advantage with the present invention is that said locking device is cheap to manufacture and does not contain any loose parts .
  • An advantage with the adjustable frame comprising a locking device is that the length of an adjustable element may be increased, but not decreased, when the locking device is activated.
  • the length of the adjustable element may easily be either increased or decreased when the locking device is deactivated.
  • Fig. 1 shows a side view of a first embodiment according to the invention .
  • Fig. 2a shows a cross-sectional view of a detail regarding an adjustment device according to Fig. 1.
  • Fig. 2b shows a side view of an adjustment device according to Fig. 1.
  • Fig. 3 shows a partly cross-sectional detail regarding fastening means according to Fig. 1.
  • Fig. 4 shows a side view of a second embodiment according to the invention.
  • Fig. 5 shows a side view of a third embodiment according to the invention .
  • Fig. 1 shows a side view of a first embodiment of an adjustable frame 10 according to the invention, which frame comprises four elements 11, 12. These elements are divided into two different groups, where a first group of elements 11 forms two rigid — opposite sides of the frame 10. A second group of elements 12 forms two adjustable sides of the frame 10, which adjustable elements 12 comprises an outer partly tubular member 13 and an inner member 14, which inner member 14 is arranged to move within the outer member 13. Furthermore, the adjustable elements 12 comprises a locking device 15, which may be activated or deactivated and which is described in more detail below.
  • Each rigid element 11 is releasable attached to the adjustable elements 12, where the attachment 16 is described in more detail below.
  • Fig. 2a and 2b shows two views of a locking device according to the invention.
  • Fig. 2a shows a locking device in cross-section and
  • Fig. 2b shows a side view of the locking device.
  • the locking device comprises two members, where a tooth shaped portion 20 is arranged on the inner member 14 and a lip 21 is arranged at the outer member 13.
  • the tooth shaped portion 20 is arranged to the outer member 14 in such a way that the end 21a of the lip 21, in a first position, interacts with a recess 22, which arises between adjacent teeth 23.
  • teeth 23 are in the embodiment shaped as inclining ramps with a stop 24, which prevents the adjustable element to shorten when the lip is in the activated position, i.e. the end 21a of the lip 21 is in the first position. Extension of the adjustable element is in this position only possible by pulling the members apart.
  • a protrusion 21b of the lip 21 is actuated so that the end 21a is released from the stop 24, i.e. is in a second position, the outer member 13 may move freely in relation to the inner member 14, which lead to that the adjustable element 12 may get shorter.
  • the second position may also be represented as the deactivation position of the locking device.
  • the protrusion 21b is actuated by applying a force F on a button 25, which is mounted at the protrusion 21b, at one end 26 of the button.
  • the lip 21 is preferably biased, e.g. spring loaded, in such a way that the end 21a of the lip returns to the first position when the protrusion 21b of the lip 21 is not subject to actuation.
  • teeth 23 are of course possible, e.g. shoulders, provided they are shaped with a stop 24 for the lip 21.
  • Fig. 3 shows an additional cross-sectional detail from Fig. 1, being a releasable fastening means for the elements 11 and 12.
  • the recess 30 is shaped with an opening 31 and an outgrowth 32 is arranged to said end portion 14a to engage in said opening 31.
  • Fig. 4 shows a second embodiment of an adjustable frame 40 according to the present invention, which is bow-shaped.
  • the frame 40 comprises a bow 41, which in turn comprises a number of, slightly flexible, elements 42 with accompanying lengthening joints 43.
  • the bow may be manufactured in one single piece if the material of the bow is elastic enough.
  • an adjustable element 12 is attached, which is described in connection with Fig. 1-3.
  • Fig. 5 shows a third embodiment of an adjustable frame 50 according the present invention, which is triangle shaped.
  • the frame comprises two rigid elements 51, which first ends 51a—are attached to a slightly flexible joint 52.
  • the second ends 51b of the elements 51 are attached to slightly flexible ends 53 of an adjustable element 54, respectively.
  • the adjustable element is described in connection with Fig. 1-3.
  • the frame is now ready to be reused in a new bag.
  • the above described locking device and frame are preferably- manufactured using injection moulding with a plastic material, which greatly will reduce the weight of the manufactured items

Abstract

The present invention relates to a locking device for adjustable members, where an outer member (13) is partially tubular and an inner member (14) is arranged within said outer member. A tooth shaped portion being provided on the outside of the inner member (14), and a lever shaped lip (21), having an end portion (21a), being provided on the inside of the outer member (13). An actuating means (21b, 25) being provided to said lip (21) on the outside of the outer member (13), which actuating means causes said end portion (21a) to move from a first position to a second position when actuated. When said end portion is in said first position, the locking device is activated and the inner member (14) is prevented to move relative to said outer member (13) in at least one direction. When said end portion (21a) is in said second position, the locking device is deactivated and the inner member (14) may move relative to said outer member (13) in any direction. The invention also relates to an adjustable frame (10) comprising a locking device.

Description

A locking device and an adjustable frame comprising a locking device .
Technical field
The present invention relates to a locking device for __ adjustable members and an adjustable frame for elastic bags comprising such a locking device.
Prior art
When using a bag to collect garbage, such as trash, leaves, grass or the like, problem often arise with maintaining the mouth of the bag in such a position that it is possible, with one hand, to move the garbage into the opening. This problem has been noted previously and several solutions are described.
US 5,308,027, by Fullilove, shows a frame with four sides and a plate to make the transport of garbage into the bag easier. The length of two sides of the frame is adjustable to adapt to the size of the bag. The adjustment means disclosed comprises releasable fastening means to retain the telescoping legs of the frame in a selected position with respect to each other. The bag is attached to the frame by moving the frame into the bag opening and arranging clips from the outside around the frame, which means that the bag is arranged between the clips and the frame .
A similar frame is shown in US 4,548,372, by Lutzker, where the frame comprises three sides with corresponding clips for attachment of the bag, without any adjustment means to adapt to the size of the bag.
In US 5,180,126, by Bennett, another type of frame is disclosed where the mouth of the plastic bag is attached to the frame by tension. The locking mechanism of the adjustable telescopic frame element is disclosed as a friction fit between two tubes, without any active locking means .
Another frame is disclosed m US 4,749, 519, by Cheng, having adjustment means and clips to attach the plastic garbage bag to the frame. The adjustment means comprises a spring loaded part that is contained inside an inner tube and which part fixates an outer tube, when openings in the outer tube align with the spring loaded part .
A more sophisticated locking mechanism is disclosed in the German document DE 3625287 Al, where an inner tube is provided with tapered recesses and an outer tube is provided with two lips, each lip having a tapered protrusion. The outer tube also have a spring loaded locking mechanism that holds each protrusion m one of the recesses, thereby preventing the inner tube to move m relation to the outer tube. When the locking mechanism is removed from the lips, the inner tube may, due to the tapering of the protrusions/lips, be moved m relation to the outer tube when the inner tube is subject to a force m the desired direction.
Summary of the invention
The problem with present locking mechanisms is that they either are difficult to manufacture, and thus expensive, due to narrow tolerances or due to parts mounted inside the adjustable element, or comprises loose parts, such as locking pins, to maintain the length of an adjustable element.
Another problem with the prior art locking mechanisms on adjustable frames is that the length of an adjustable element, comprising such a locking mechanism, cannot be increased without deactivating the locking mechanism, and at the same time prevent the adjustable member to decrease m length. The object with the present invention is to provide a locking device for adjustable members that is easy to manufacture, comprising no loose parts.
A further object is to provide an adjustable frame, comprising at least one locking device, where the frame easily may be __ fixated to the mouth of an elastic bag with tension, when the locking device is activated, and may be easily removed from the mouth of the elastic bag by deactivating said locking device.
These objects are achieved by a locking device defined according to the independent claim 1, and an adjustable frame defined according to the independent claim 6.
The above mentioned problems concerning the locking device is solved by a locking device comprising an outer member having a lever shaped lip provided thereon, said outer member being at least partially tubular, said lip having an end portion being arranged to the inside of said outer member, an inner member having at least one recess being provided thereon, said inner member being arranged inside said outer member, said at least one recess being provided on an outside of said inner member, said end portion, in a first position, is extendable into one of said at least one recess, whereby said inner member is prevented from moving relative to said outer member in at least one direction, said end portion, in a second position, is retractable from said at least one recess, whereby said inner member is movable relative to said outer member in said at least one, said end portion being biased into said first position, and said lever shaped lip is provided with an actuating device provided on an outside of said outer member, whereby said end portion is movable to said second position when said actuating device is actuated. The problems concerning the adjustable frame comprising a locking device is solved a frame comprising the features of claim 6.
An advantage with the present invention is that said locking device is cheap to manufacture and does not contain any loose parts .
An advantage with the adjustable frame comprising a locking device is that the length of an adjustable element may be increased, but not decreased, when the locking device is activated. The length of the adjustable element may easily be either increased or decreased when the locking device is deactivated.
The invention will now be described in more detail by the preferred embodiments and in connection to the attached drawings .
Description of the drawings
Fig. 1 shows a side view of a first embodiment according to the invention .
Fig. 2a shows a cross-sectional view of a detail regarding an adjustment device according to Fig. 1.
Fig. 2b shows a side view of an adjustment device according to Fig. 1.
Fig. 3 shows a partly cross-sectional detail regarding fastening means according to Fig. 1.
Fig. 4 shows a side view of a second embodiment according to the invention.
Fig. 5 shows a side view of a third embodiment according to the invention . Preferred embodiments
Fig. 1 shows a side view of a first embodiment of an adjustable frame 10 according to the invention, which frame comprises four elements 11, 12. These elements are divided into two different groups, where a first group of elements 11 forms two rigid — opposite sides of the frame 10. A second group of elements 12 forms two adjustable sides of the frame 10, which adjustable elements 12 comprises an outer partly tubular member 13 and an inner member 14, which inner member 14 is arranged to move within the outer member 13. Furthermore, the adjustable elements 12 comprises a locking device 15, which may be activated or deactivated and which is described in more detail below.
Each rigid element 11 is releasable attached to the adjustable elements 12, where the attachment 16 is described in more detail below.
Fig. 2a and 2b shows two views of a locking device according to the invention. Fig. 2a shows a locking device in cross-section and Fig. 2b shows a side view of the locking device. The locking device comprises two members, where a tooth shaped portion 20 is arranged on the inner member 14 and a lip 21 is arranged at the outer member 13. The tooth shaped portion 20 is arranged to the outer member 14 in such a way that the end 21a of the lip 21, in a first position, interacts with a recess 22, which arises between adjacent teeth 23.
These teeth 23 are in the embodiment shaped as inclining ramps with a stop 24, which prevents the adjustable element to shorten when the lip is in the activated position, i.e. the end 21a of the lip 21 is in the first position. Extension of the adjustable element is in this position only possible by pulling the members apart. When a protrusion 21b of the lip 21 is actuated so that the end 21a is released from the stop 24, i.e. is in a second position, the outer member 13 may move freely in relation to the inner member 14, which lead to that the adjustable element 12 may get shorter. The second position may also be represented as the deactivation position of the locking device. The protrusion 21b is actuated by applying a force F on a button 25, which is mounted at the protrusion 21b, at one end 26 of the button.
The lip 21 is preferably biased, e.g. spring loaded, in such a way that the end 21a of the lip returns to the first position when the protrusion 21b of the lip 21 is not subject to actuation.
Other shapes of the teeth 23 are of course possible, e.g. shoulders, provided they are shaped with a stop 24 for the lip 21.
Fig. 3 shows an additional cross-sectional detail from Fig. 1, being a releasable fastening means for the elements 11 and 12. A recess 30, adapted for receiving an end portion 14a of the inner member 14, is arranged in the rigid element 11. The recess 30 is shaped with an opening 31 and an outgrowth 32 is arranged to said end portion 14a to engage in said opening 31. This construction makes it possible to attach the elements into a frame, without the frame falling into parts, in addition may the members be separated by affecting the outgrowth 32 using a force through the opening 31 so that the outgrowth moves freely pass the edge 33 of the opening.
Fig. 4 shows a second embodiment of an adjustable frame 40 according to the present invention, which is bow-shaped. The frame 40 comprises a bow 41, which in turn comprises a number of, slightly flexible, elements 42 with accompanying lengthening joints 43. The bow may be manufactured in one single piece if the material of the bow is elastic enough. At the ends 41a, 41b of the circle bow, an adjustable element 12 is attached, which is described in connection with Fig. 1-3.
Fig. 5 shows a third embodiment of an adjustable frame 50 according the present invention, which is triangle shaped. The frame comprises two rigid elements 51, which first ends 51a—are attached to a slightly flexible joint 52. The second ends 51b of the elements 51 are attached to slightly flexible ends 53 of an adjustable element 54, respectively. The adjustable element is described in connection with Fig. 1-3.
The above described embodiments of the adjustable frame is applied to an elastic bag using the following steps:
1. set the locking device in the deactivation position and reduce the circumference of the frame by shortening the adjustable element,
2. insert the frame into the mouth of the bag,
3. restore the locking device to the activated position and expand the circumference of the frame by extending the adjustable element, and
4. make sure that the circumference of the frame is increased so much that it is larger than the circumference of the mouth of the elastic bag, which deforms and stretches the elastic bag where the frame is in contact to the bag.
The result is that the frame is fixated to the bag by tension.
The above described embodiments of the adjustable frame are dismounted from the elastic bag in the following steps:
1. set the locking device in the deactivation position and reduce the circumference of the frame by shortening the adjustable element, 2. remove the frame from the mouth of the bag, and
3. restore the locking device to the activated position
The frame is now ready to be reused in a new bag.
The above described locking device and frame are preferably- manufactured using injection moulding with a plastic material, which greatly will reduce the weight of the manufactured items

Claims

Claims
1. A locking device for adjustable members, comprising:
- an outer member (13) having a lever shaped lip (21) provided thereon, said outer member (13) being at least __ partially tubular, said lip (21) having an end portion (21a) being arranged to the inside of said outer member (13),
- an inner member (14) having at least one recess (22) provided thereon, said inner member (14) being arranged inside said outer member (13), said at least one recess (22) being provided on the an outside of said inner member (14),
- said end portion (21a) , in a first position, is extendable into one of said at least one recess (22), whereby said inner member (14) is prevented from moving relative to said outer member (13) in at least one direction, characterised in that
- said end portion (21a) , in a second position, is retractable from said at least one recess (22), whereby said inner member (14) is moveable relative to said outer member (13) in said at least one direction, said end portion (21a) being biased into said first position, and
- said lever shaped lip (21) is provided with an actuating device (21b, 25), provided on an outside of said outer member (13), whereby said end portion (21a) is movable to said second position when said actuating means is actuated.
2. The locking device according to claim 1, wherein said actuating device comprises a protrusion (21b) and a lever button (25), said button (25) being mounted at a first end on said protrusion, whereby said actuating device is actuated by applying a force (F) to a second end (26) of said button (25), opposite to said first end to retract said end portion (21a) to said second position.
3. The locking device according to claim 1 or 2, wherein a tooth (23) is formed between every two adjacent of said at least one recess (22), each tooth comprising a stop (24) arranged on a first side of each tooth, whereby said stop (24) interacts with said end portion (21a) to prevent said inner member (14) from moving relative to said outer member (13) In a first direction, when said end portion (21a) is in said first position .
4. The locking device according to claim 3, wherein each tooth (23) comprises an inclined surface, arranged on a second side of each tooth, opposite said first side, whereby said inner member (14) is movable in a second direction, opposite to said first direction, relative to said outer member (13), when said end portion (21a) is in said first position.
5. The locking device according to any of claims 1-4, wherein said lever shaped lip (21) is integrated with said outer member (13) .
6. An adjustable frame (10) for holding up the mouth of an elastic bag by tension, said adjustable frame comprising:
at least two elements (11, 12) having a length, means for attaching said elements to each other at their ends thereof, at least one of said element (12) including an adjustment device for changing the length of the element (12), said adjustment device including an outer member (13) at least partially tubular, and an inner member (14), said inner member (14) being arranged within said outer member (13), characterised in that said outer member (13) is provided with a lever shaped lip (21), having an end portion (21a) arranged on an inside of said outer member (13), said inner member (14) is provided with at least one recess (22), said at least one recess (22) being arranged on an outside of said inner member (14), said end portion (21a) , in a first position, is extendable into one of said at least one recess (22), whereby said inner member (14) is prevented from moving relative to said outer member (13) in at least one direction, said end portion (21a) , in a second position, is retractable from said at least one recess (22), whereby said inner member (14) is movable relative to said outer member (13) in said at least one direction, said end portion (21a) being biased into said first position, and said lever shaped lip (21) is provided with an actuating device (21b, 25) provided on an outside of said outer member (13), whereby said end portion (21a) is movable to said second position when said actuating device is actuated, .
7. The adjustable frame according to claim 6, wherein said actuating device comprises a protrusion (21b) and a lever button (25), said button (25) being mounted at a first end on said protrusion, whereby said actuating device is activated by applying a force (F) to a second end (26) of said button (25), opposite to said first end to retract said end portion (21a) to said second position.
8. The adjustable frame according to claim 6 or 7, wherein a tooth (23) is formed between every two adjacent of said at least one recess (22), each tooth comprising a stop (24) arranged on a first side of each tooth, whereby said stop (24) interacts with said end portion (21a) to prevent said inner member (14) from moving relative to said outer member (13) in a first direction when said end portion (21a) is in said first position .
9. The adjustable frame according to claim 8, wherein each tooth (23) comprises an inclined surface, arranged on a second side of each tooth opposite said first side, whereby said inner member (14) is movable in a second direction, opposite to said first direction, relative to said outer member (13) when said end portion (21a) is in said first position.
10. The adjustable frame according to any of claims 6-9, wherein said lever shaped lip (21) is integrated with said outer member (13) .
11. The adjustable frame according to any of claims 6-10, wherein there are at least two of said at least one the element and said at least two elements are releasable attached to each other .
12. The adjustable frame according to any of claims 6-11, wherein the frame includes of four sides.
PCT/SE1999/001614 1998-09-16 1999-09-15 A locking device and an adjustable frame comprising a locking device WO2000015965A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63785/99A AU6378599A (en) 1998-09-16 1999-09-15 A locking device and an adjustable frame comprising a locking device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9803149-5 1998-09-16
SE9803149A SE513759C2 (en) 1998-09-16 1998-09-16 Adjustable frame for elastic bag

Publications (1)

Publication Number Publication Date
WO2000015965A1 true WO2000015965A1 (en) 2000-03-23

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Application Number Title Priority Date Filing Date
PCT/SE1999/001614 WO2000015965A1 (en) 1998-09-16 1999-09-15 A locking device and an adjustable frame comprising a locking device

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AU (1) AU6378599A (en)
SE (1) SE513759C2 (en)
WO (1) WO2000015965A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105501746A (en) * 2015-12-26 2016-04-20 湖南城市学院 Caliber-adjustable garbage bag support frame

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1327951A (en) * 1962-04-14 1963-05-24 Automatic lock for telescopically sliding elements
DE2101757A1 (en) * 1970-01-16 1971-07-22 Auping Nv Telescopic leg
EP0181584A2 (en) * 1984-11-14 1986-05-21 Fehlbaum & Co. Adjustable-height show stand with polygonal columns for garments
US4759519A (en) * 1987-05-21 1988-07-26 Cheng Wen H Garbage collection auxiliary apparatus
GB2208787A (en) * 1987-08-20 1989-04-19 Norman Blair Device for keeping a bag mouth open and holding the bag to a vertical surface or a pole
US5180126A (en) * 1991-12-24 1993-01-19 Bennett Charles O Leaf caddy
US5308027A (en) * 1993-01-07 1994-05-03 Fullilove Tom P Dual use leaf bagger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1327951A (en) * 1962-04-14 1963-05-24 Automatic lock for telescopically sliding elements
DE2101757A1 (en) * 1970-01-16 1971-07-22 Auping Nv Telescopic leg
EP0181584A2 (en) * 1984-11-14 1986-05-21 Fehlbaum & Co. Adjustable-height show stand with polygonal columns for garments
US4759519A (en) * 1987-05-21 1988-07-26 Cheng Wen H Garbage collection auxiliary apparatus
GB2208787A (en) * 1987-08-20 1989-04-19 Norman Blair Device for keeping a bag mouth open and holding the bag to a vertical surface or a pole
US5180126A (en) * 1991-12-24 1993-01-19 Bennett Charles O Leaf caddy
US5308027A (en) * 1993-01-07 1994-05-03 Fullilove Tom P Dual use leaf bagger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105501746A (en) * 2015-12-26 2016-04-20 湖南城市学院 Caliber-adjustable garbage bag support frame

Also Published As

Publication number Publication date
SE9803149L (en) 2000-03-17
SE513759C2 (en) 2000-10-30
AU6378599A (en) 2000-04-03
SE9803149D0 (en) 1998-09-16

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