Patent US4372416A successfully refreshed from Google Patents.
US4372416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tricycle vehicle
Assignee: Yamaha Motor Co Ltd
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Filing: 1980-09-05
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Granted: 1983-02-08
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Expires: 2000-09-05
Abstract
Abstract A tricycle vehicle having a forward wheel, two rear drive wheels, an engine driving said wheels, and a seat, all mounted to a body. A foot rest protrudes from each side of the body. The seat extends forwardly of the foot rests, and the crankcase of the engine is disposed rearwardly of the foot rests.
Inventors
- 👤 Nihaku Igarashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:25
CPC Classifications
B; B62; B62K; B62K5/00; B62K5/02; B62K5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
In a tricycle vehicle of the type which has a body, a forward wheel mounted to a steering post, two rear wheels, an engine forwardly of the axis of said rear wheels drivingly engaged to said rear wheels, a foot rest projecting from each side of the body, and a seat for the driver, the improvement comprising extending said seat substantially forward of said foot rests, and locating the crankcase of said engine rearwardly of said foot rest, said seat having a seat surface extending for a substantial distance along and upon which the driver can stably rest at a plurality of locations, with his feet on the foot rests, in a posture resembling the rider of a horse, without impediment by the steering post, there being a sufficient vertical spacing between the seat and the footrests to accomodate for such a posture.
Claim 2
Dependent Claim
143 words
In a tricycle vehicle of the type which has a body, a forward wheel mounted to a steering post, two rear wheels, an engine forwardly of the axis of said rear wheels drivingly engaged to said rear wheels, a foot rest projecting from each side of the body, and a seat for the driver, the improvement comprising extending said seat substantially forward of said foot rests, and locating the crankcase of said engine rearwardly of said foot rest, said seat having a seat surface extending for a substantial distance along and upon which the driver can stably rest at a plurality of locations, with his feet on the foot rests, in a posture resembling the rider of a horse, without impediment by the steering post, there being a sufficient vertical spacing between the seat and the footrests to accomodate for such a posture.
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) | 1986-02-07 | 1986-08-09 | 1987-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-07 | 1990-08-09 | 1991-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-07 | 1994-08-09 | 1995-02-08 | $7700.00 | Window Closed / Lapsed |