Patent US4339224A successfully refreshed from Google Patents.
US4339224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for accommodating wheelchairs in public transportation vehicles
Assignee: Individual
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Filing: 1980-09-08
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Granted: 1982-07-13
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Expires: 2000-09-08
Abstract
Abstract A system for accommodating persons confined to wheelchairs in a public transportation vehicle, such as a bus, includes a main turntable having a padded centerpost. A ramp attached to the vehicle effects conveying of the wheelchair and the person occupying it to the edge of the turntable, allowing the wheelchair to be moved onto one of a plurality of stations into which the turntable is divided. The turntable is then rotated to align another station for receiving another wheelchair from the ramp.
Inventors
- 👤 Charles A. Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:26
CPC Classifications
B; B61; B61D; B61D23/00; B61D23/02; B61D23/025; A; A61; A61G; A61G3/00; A61G3/02; A61G3/06; A61G3/063; Y; Y10; Y10S; Y10S414/00; Y10S414/134
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
124 words
A system for accommodating wheelchairs and occupants confined thereto in a transit vehicle, said system comprising in combination: a. loading means for conveying the wheelchair and its occupant between a curb area and an edge of a floor area of the transit vehicle; b. first turntable means rotatably disposed in the transit vehicle for receiving a plurality of wheelchairs with their respective occupants therein from said loading means, said first turntable means including a plurality of wheelchair-accommodating stations sequentially disposed around said first turntable; and c. first motive means for rotating said first turntable to align a selected one of said stations with said loading means to allow a wheelchair supporting its occupant to roll from said first loading means onto said selected station.
Claim 2
Independent Claim
124 words
A system for accommodating wheelchairs and occupants confined thereto in a transit vehicle, said system comprising in combination: a. loading means for conveying the wheelchair and its occupant between a curb area and an edge of a floor area of the transit vehicle; b. first turntable means rotatably disposed in the transit vehicle for receiving a plurality of wheelchairs with their respective occupants therein from said loading means, said first turntable means including a plurality of wheelchair-accommodating stations sequentially disposed around said first turntable; and c. first motive means for rotating said first turntable to align a selected one of said stations with said loading means to allow a wheelchair supporting its occupant to roll from said first loading means onto said selected station.
Claim 3
Dependent Claim
37 words
The system of claim 1 further including first retaining means disposed on said first turntable means at a central portion thereof for limiting movement of any wheelchair on said first turntable means toward said first retaining means.
Claim 4
Dependent Claim
41 words
The system of claim 2 wherein said first retaining means includes a cylindrical body having a cylindrical outer surface which is cushioned for preventing injury to a wheelchair occupant in the event that the wheelchair occupant collides with said cylindrical body.
Claim 5
Dependent Claim
28 words
The system of claim 3 wherein said first retaining means includes a communications console for enabling a wheelchair occupant to communicate with a driver of the transit vehicle.
Claim 6
Dependent Claim
38 words
The system of claim 1 wherein said first motive means includes a first electric motor and first gear means for coupling said first electric motor to said first turntable means for causing rotation of said first turntable means.
Claim 7
Dependent Claim
32 words
The system of claim 1 including first retaining means disposed adjacent to said first turntable means for limiting movement of any wheelchair on said first turntable means toward said first turntable means.
Claim 8
Dependent Claim
43 words
The system of claim 6 wherein said first retaining means includes a wall surrounding a portion of said first turntable means, said wall having a cushioned inner surface for preventing injury to a wheelchair occupant if the wheelchair occupant collides with said wall.
Claim 9
Dependent Claim
38 words
The system of claim 5 further including second turntable means included in said first turntable means for receiving one of said wheelchairs and its occupant and rotating that wheelchair and its occupant relative to said first turntable means.
Claim 10
Dependent Claim
23 words
The system of claim 8 further including second motive means for effecting said rotating of said one of said wheelchairs and its occupant.
Claim 11
Dependent Claim
30 words
The system of claim 9 wherein said second motive means includes a second electric motor and second gear means for coupling said second electric motor to said second turntable means.
Claim 12
Dependent Claim
30 words
The system of claim 10 including first and second control means for controlling rotation of said first and second turntable means in response to said first and second motors, respectively.
Claim 13
Dependent Claim
26 words
The system of claim 11 wherein said first and second control means include first and second switches, respectively, actuatable by the driver of said transit vehicle.
Claim 14
Dependent Claim
56 words
The system of claim 11 wherein said second control means includes a switch actuatable by an occupant of a wheelchair supported on said second turntable means to cause rotating of said second turntable means to position that wheelchair to allow convenient movement of that wheelchair from said first and second turntable means onto said loading means.
Claim 15
Dependent Claim
33 words
The system of claim 13 wherein said loading means includes a retractable ramp having a reversible conveying belt for moving a wheelchair and its occupant toward or away from said first turntable means.
Claim 16
Dependent Claim
42 words
The system of claim 14 further including a display means viewable by the driver of the transit vehicle to allow the driver to see the position of each wheelchair on said first turntable means without looking backwards while driving the transit vehicle.
References Cited (Backward Citations)
US4109809A
Cited
US4131209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |