US4143281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle for the handicapped
Assignee: Individual
•
Filing: 1977-05-09
•
Granted: 1979-03-06
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Expires: 1997-05-09
Abstract
Abstract A vehicle having a body with a door frame and a door assembly, the door assembly including three movable sections, an upper section horizontally slidable along a side of the vehicle from a position within the door frame to a position outside of the door frame, a center section having a longitudinal channel along its top edge to receive the bottom edge of the upper section and the bottom edge of the center section being pivotally connected to the top edge of a lower section, the bottom edge of the lower section being pivotally connected to the bottom edge of the door frame, biasing means connecting the center section and the lower section adjacent one side edge thereof, flexible connecting means attached adjacent a top corner of the lower section, and actuating means operatively connected to the flexible connecting means.
Inventors
- 👤 Robert J. Appley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:50
CPC Classifications
B; B60; B60J; B60J5/00; A; A61; A61G; A61G3/00; A61G3/02; A61G3/06; A61G3/061; Y; Y10; Y10S; Y10S414/00; Y10S414/134
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
138 words
A vehicle having a body with a door frame and a door assembly, said door assembly including three movable sections, an upper section horizontally slidable along a side of said vehicle from a position within said door frame to a position outside said door frame; a center section having a longitudinal channel along its top edge to receive the bottom edge of said upper section and the bottom edge of said center section being pivotally connected to the top edge of a lower section; the bottom edge of said lower section being pivotally connected to the bottom of said door frame; biasing means connecting said center section and said lower section adjacent one side edge thereof; flexible connecting means attached adjacent a top corner of said lower section and actuating means operatively connected to said flexible connecting means.
Claim 2
Dependent Claim
138 words
A vehicle having a body with a door frame and a door assembly, said door assembly including three movable sections, an upper section horizontally slidable along a side of said vehicle from a position within said door frame to a position outside said door frame; a center section having a longitudinal channel along its top edge to receive the bottom edge of said upper section and the bottom edge of said center section being pivotally connected to the top edge of a lower section; the bottom edge of said lower section being pivotally connected to the bottom of said door frame; biasing means connecting said center section and said lower section adjacent one side edge thereof; flexible connecting means attached adjacent a top corner of said lower section and actuating means operatively connected to said flexible connecting means.
Claim 3
Dependent Claim
16 words
A vehicle according to claim 1 wherein said upper section of said door assembly is transparent.
Claim 4
Dependent Claim
33 words
A vehicle according to claim 1 wherein said upper section of said door assembly includes hangers mounted adjacent its top edge slidable along an overhead track disposed along a side of said vehicle.
Claim 5
Dependent Claim
27 words
A vehicle according to claim 1 wherein said upper section of said door assembly is moved by a drive mechanism including a motor driven sprocket and chain.
Claim 6
Dependent Claim
16 words
A vehicle according to claim 1 wherein said center section is tapered toward its top edge.
Claim 7
Dependent Claim
30 words
A vehicle according to claim 1 wherein said actuating means includes a motor driven sprocket, a chain, a spring-loaded drum and a bell crank for separating said chain and sprocket.
Claim 8
Dependent Claim
43 words
A vehicle according to claim 1 wherein said door assembly includes a pin and slot latching means adjacent the top edge of said center section and a sliding bolt locking means adjacent the pivot connection between said center section and said lower section.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-05 | 1982-09-04 | 1983-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-05 | 1986-09-04 | 1987-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-05 | 1990-09-04 | 1991-03-06 | $7700.00 | Window Closed / Lapsed |