US3909043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three wheel vehicle
Assignee: Individual
•
Filing: 1974-04-08
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Granted: 1975-09-30
•
Expires: 1994-04-08
Abstract
Abstract A three wheeled vehicle is provided having a chassis generally triangular in plan form and having a pair of dirigible rear wheels at two corners thereof. A powered front wheel is carried by an extension member extending forwardly from the other corner. A seat is mounted on the chassis, facing toward the powered wheel, and a steering wheel is in front of the seat, connected to the dirigible wheels by a chain. The front power wheel is driven by pedals, or by a suitable power source such as a gasoline engine.
Inventors
- 👤 Marion Homer Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:52
CPC Classifications
B; B62; B62K; B62K17/00; B62K3/00; B62K3/005; B62K5/00; B62K5/02; B62K5/08; B62K9/00; B62K9/02; F; F02; F02B; F02B1/00; F02B1/02; F02B1/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
143 words
A three vehicle of high maneuverability and low center of gravity comprising: a substantially horizontal chassis generally triangular in plan form, a seat on said chassis facing toward a first corner of said chassis, said seat having a bottom, and means attaching said seat bottom to said chassis in close proximity thereto, a steering column at said first corner mounted for rotation on its own axis, a dirigible wheel at each said other corners of said chassis means including flexible tension means for connecting said wheels with said column for simultaneous steering movement upon rotation of said steering column, a non-dirigible driving wheel, means for supporting said driving wheel at the said first corner of said chassis, forwardly thereof and having its axis above the level of said chassis and seat bottom, and means for rotating said driving wheel on its own axis.
Claim 2
Dependent Claim
143 words
A three vehicle of high maneuverability and low center of gravity comprising: a substantially horizontal chassis generally triangular in plan form, a seat on said chassis facing toward a first corner of said chassis, said seat having a bottom, and means attaching said seat bottom to said chassis in close proximity thereto, a steering column at said first corner mounted for rotation on its own axis, a dirigible wheel at each said other corners of said chassis means including flexible tension means for connecting said wheels with said column for simultaneous steering movement upon rotation of said steering column, a non-dirigible driving wheel, means for supporting said driving wheel at the said first corner of said chassis, forwardly thereof and having its axis above the level of said chassis and seat bottom, and means for rotating said driving wheel on its own axis.
Claim 3
Dependent Claim
17 words
The vehicle of claim 1, said driving wheel rotating means comprising pedals connected to said driving wheel.
Claim 4
Dependent Claim
35 words
The vehicle of claim 2, said means for connecting said dirigible wheels with said column comprising sprockets on the column and on posts of said dirigible wheels, and a continuous chain trained on said sprockets.
Claim 5
Dependent Claim
16 words
The vehicle of claim 3, said posts on said dirigible wheels and said column being parallel.
Claim 6
Dependent Claim
26 words
The vehicle of claim 1, said driving wheel supporting means comprising means for adjusting the distance between the axis of said driving wheels and said seat.
Claim 7
Dependent Claim
21 words
The vehicLe of claim 5, said last mentioned means comprising telescopic bars extending forwardly of said first corner of said chassis.
Claim 8
Dependent Claim
25 words
The vehicle of claim 1, said last mentioned means comprising a source of energy supported on said vehicle and operatively connected to said driving wheel.
References Cited (Backward Citations)
US1598869A
Cited
US2388692A
Cited
US2574199A
Cited
US2812194A
Cited
US2986406A
Cited
US3062559A
Cited
US3100020A
Cited
US3311388A
Cited
US3429584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |