Patent US4740043A successfully refreshed from Google Patents.
US4740043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray arresting device
Assignee: Colman Group Inc
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Filing: 1987-02-04
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Granted: 1988-04-26
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Expires: 2007-02-04
Abstract
Abstract A device for preventing a food tray from falling into a waste can is mounted to a can housing and presents one or more hook arms which arrest the tray as it is being inserted into the housing for emptying into the can. The tray is retained in a position such that it is visible from and can be retrieved from outside the housing.
Inventors
- 👤 Jack J. Kennamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:02
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
137 words
A device for preventing a food tray from falling into a waste can, comprising: a waste can having an open top, a housing in which said can is removably housed, the housing having walls presenting a tray opening through which waste can be discharged from a tray into the can inside the housing, and at least one elongated downwardly extending arm mounted by said housing adjacent said tray opening and slanting downwardly at an angle into the open top of said can, said arm having an upstanding hook adjacent an inner end thereof, said arm and hook positioned to arrest the movement of a tray from said tray opening into said can and to hold the tray out of the can in such position that it can be retrieved through the tray opening from outside the housing.
Claim 2
Independent Claim
137 words
A device for preventing a food tray from falling into a waste can, comprising: a waste can having an open top, a housing in which said can is removably housed, the housing having walls presenting a tray opening through which waste can be discharged from a tray into the can inside the housing, and at least one elongated downwardly extending arm mounted by said housing adjacent said tray opening and slanting downwardly at an angle into the open top of said can, said arm having an upstanding hook adjacent an inner end thereof, said arm and hook positioned to arrest the movement of a tray from said tray opening into said can and to hold the tray out of the can in such position that it can be retrieved through the tray opening from outside the housing.
Claim 3
Dependent Claim
38 words
The device of claim 1 further wherein said housing has a can removal door through which said can can be removed, and said arm is mounted to said can removal door at a position thereon above the can.
Claim 4
Dependent Claim
31 words
The device of claim 1 wherein said arm is hinged about a horizontal axis so that it can be swung upwardly to permit said can to be removed from beneath it.
Claim 5
Dependent Claim
25 words
The device of claim 1 wherein a pair of such arms is provided, projecting over the can at laterally spaced positions below said tray opening.
Claim 6
Dependent Claim
34 words
The device of claim 4 wherein said pair of arms are formed integrally and have a laterally extending hinge portion between them which is hinged to the inside of said housing, below said opening.
Claim 7
Dependent Claim
27 words
The device of claim 5 wherein said hinge portion has an offset stop portion which engages the housing and thereby limits the hinged movement of the arms.
Claim 8
Dependent Claim
21 words
The device of claim 1 wherein said housing has a can removal door and said arm is mounted to said door.
Claim 9
Dependent Claim
23 words
The device of claim 7 wherein said arm includes a clamp mounting portion which grips said door along an edge of the door.
Claim 10
Dependent Claim
52 words
The device of claim 8 wherein said device includes two such arms, said device being generally U-shaped with said arms forming the sides of the U and being connected by a hinge portion, and further wherein said housing includes a can removal door and said hinge portion is hinged to said door.
Claim 11
Dependent Claim
32 words
The device of claim 9 wherein said hinge portion is mounted to said door adjacent a top edge of the door, by mounting means comprising a clamp which grips said top edge.
Claim 12
Independent Claim
174 words
A device for mounting to the top edge of a wall of a trash can enclosure for preventing a food tray from falling into a trash can within the enclosure, said device comprising, a bail having a pair of spaced parallel arms each having an upstanding hook adjacent an outer end thereof, the arms and hooks sized to support a tray between them, said bail having an axle portion connecting the arms, the arms projecting perpendicularly from the axle portion, and a hinge comprising an attaching portion having two parallel flanges for engaging opposite faces of a wall of said enclosure at said top edge thereof, said flanges spaced by an amount equal to the thickness of said wall, and an arcuate portion between said flanges for receiving and journaling said axle portion, said axle portion including an offset stop portion for limiting swinging movement of said bail about said hinge and holding said arms in a rest position such that in use said arms slant angularly downwardly and outwardly from said parallel flanges.
Claim 13
Independent Claim
174 words
A device for mounting to the top edge of a wall of a trash can enclosure for preventing a food tray from falling into a trash can within the enclosure, said device comprising, a bail having a pair of spaced parallel arms each having an upstanding hook adjacent an outer end thereof, the arms and hooks sized to support a tray between them, said bail having an axle portion connecting the arms, the arms projecting perpendicularly from the axle portion, and a hinge comprising an attaching portion having two parallel flanges for engaging opposite faces of a wall of said enclosure at said top edge thereof, said flanges spaced by an amount equal to the thickness of said wall, and an arcuate portion between said flanges for receiving and journaling said axle portion, said axle portion including an offset stop portion for limiting swinging movement of said bail about said hinge and holding said arms in a rest position such that in use said arms slant angularly downwardly and outwardly from said parallel flanges.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-26 | 1991-10-26 | 1992-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-26 | 1995-10-26 | 1996-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-26 | 1999-10-26 | 2000-04-26 | $7700.00 | Window Closed / Lapsed |