US4867506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheelchair tray slidable coin drawer
Assignee: Individual
•
Filing: 1988-08-15
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Granted: 1989-09-19
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Expires: 2008-08-15
Abstract
Abstract A tray for a wheelchair adapted for persons having reduced grasping strength. The tray supports a drawer for holding currency, especially coins. The bottom of the drawer is curved to allow removal of coins by sliding movement up the side of the drawer without grasping the coin.
Inventors
- 👤 Ruben E. Chavez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:18
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1054; A61G5/1094; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
190 words
A wheelchair attachable tray comprising: (a) support means for detachably mounting said tray to said wheelchair; (b) drawer support means, attached to said tray, for support of a drawer; (c) a drawer, slidably mountable in said drawer support means, comprising an enclosure for the storage of objects, wherein said enclosure has a first surface for placement of said objects, wherein said first surface is continuous, defined to mean that sliding travel of said objects along any path from any point on said first surface in a direction toward a boundary of said enclosure for removal of said objects from said enclosure, encounters no obstacle to continued sliding of said objects, especially meaning that no edge and no step is encountered along any such path to hinder sliding movement of said objects therethrough complete movement of said objects to and past said boundary thereby removing said objects from said enclosure, wherein said enclosure is geometrically a section of a cylinder, sectioned along its axis, closed at one end by a flat ramp which intersects said cylinder at an angle sufficiently large that said object is slidable over the intersection without hindrance.
Claim 2
Dependent Claim
190 words
A wheelchair attachable tray comprising: (a) support means for detachably mounting said tray to said wheelchair; (b) drawer support means, attached to said tray, for support of a drawer; (c) a drawer, slidably mountable in said drawer support means, comprising an enclosure for the storage of objects, wherein said enclosure has a first surface for placement of said objects, wherein said first surface is continuous, defined to mean that sliding travel of said objects along any path from any point on said first surface in a direction toward a boundary of said enclosure for removal of said objects from said enclosure, encounters no obstacle to continued sliding of said objects, especially meaning that no edge and no step is encountered along any such path to hinder sliding movement of said objects therethrough complete movement of said objects to and past said boundary thereby removing said objects from said enclosure, wherein said enclosure is geometrically a section of a cylinder, sectioned along its axis, closed at one end by a flat ramp which intersects said cylinder at an angle sufficiently large that said object is slidable over the intersection without hindrance.
Claim 3
Dependent Claim
106 words
A wheelchair attachable tray comprising: (a) support means for detachably mounting said tray to said wheelchair; (b) drawer support means, attached to said tray, for support of a drawer; (c) a drawer, slidably mountable in said drawer support means, comprising an enclosure for the storage of objects, wherein said enclosure has a first surface for placement of said objects, wherein said first surface is continuous, wherein said enclosure is geometrically a section of a cylinder, sectioned along its axis, closed at one end by a flat ramp which intersects said cylinder at an angle sufficiently large that said object is slidable over the intersection without hindrance.
Claim 4
Dependent Claim
106 words
A wheelchair attachable tray comprising: (a) support means for detachably mounting said tray to said wheelchair; (b) drawer support means, attached to said tray, for support of a drawer; (c) a drawer, slidably mountable in said drawer support means, comprising an enclosure for the storage of objects, wherein said enclosure has a first surface for placement of said objects, wherein said first surface is continuous, wherein said enclosure is geometrically a section of a cylinder, sectioned along its axis, closed at one end by a flat ramp which intersects said cylinder at an angle sufficiently large that said object is slidable over the intersection without hindrance.
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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) | 1992-09-18 | 1993-03-20 | 1993-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-18 | 1997-03-20 | 1997-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-18 | 2001-03-20 | 2001-09-19 | $7700.00 | Window Closed / Lapsed |