US4527831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorcycle
Assignee: Yamaha Motor Co Ltd
•
Filing: 1982-06-21
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Granted: 1985-07-09
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Expires: 2002-06-21
Abstract
Abstract A seat arrangement for a motorcycle in which the passenger seat is adjustable relative to the driver's seat so as to increase the view of a passenger.
Inventors
- 👤 Tatsuzo Katsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:36
CPC Classifications
B; B62; B62J; B62J1/00; B62J1/28
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
88 words
In a motorcycle seating arrangement comprising a front seat providing a substantially horizontally extending seating surface of sufficient horizontal extent to seat a rider and a rear seat providing a substantially horizontally extending seating surface of sufficient horizontal extent to seat a passenger behind said rider, the improvement comprising said rear seat being supported for vertical adjustment relative to said front seat so as to raise and lower the seating elevation of a passenger seated on said rear seat relative to a rider seated on said front seat.
Claim 2
Dependent Claim
88 words
In a motorcycle seating arrangement comprising a front seat providing a substantially horizontally extending seating surface of sufficient horizontal extent to seat a rider and a rear seat providing a substantially horizontally extending seating surface of sufficient horizontal extent to seat a passenger behind said rider, the improvement comprising said rear seat being supported for vertical adjustment relative to said front seat so as to raise and lower the seating elevation of a passenger seated on said rear seat relative to a rider seated on said front seat.
Claim 3
Dependent Claim
27 words
A motorcycle seating arrangement as set forth in claim 1 further including locking means for locking the rear seat in adjusted position relative to the front seat.
Claim 4
Dependent Claim
31 words
A motorcycle seating arrangement as set forth in claim 2 further including biasing means for biasing the rear seat to an extreme of its relative positions relative to the front seat.
Claim 5
Dependent Claim
31 words
A motorcycle seating arrangement as set forth in claim 3 further including shock absorbing means for retarding the movement of the rear seat relative to the front seat during its adjustment.
Claim 6
Dependent Claim
37 words
A motorcycle seating arrangement as set forth in any of claims 1 through 4 wherein the rear seat and front seat are interlocked for restrained movement therebetween in a direction normal to the direction of vertical adjustent.
Claim 7
Dependent Claim
34 words
A motorcycle seating arrangement as set forth in claim 5 wherein the leading edge of the rear seat is cushioned so as to function as a backrest for a driver on the front seat.
Claim 8
Dependent Claim
18 words
A motorcycle seating arrangement as set forth in claim 5 wherein the rear seat has a backrest portion.
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) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |