Patent US4076107A successfully refreshed from Google Patents.
US4076107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle clutch brake steering controls with transmission neutralizer
Assignee: Komatsu Ltd
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Filing: 1976-02-03
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Granted: 1978-02-28
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Expires: 1996-02-03
Abstract
Abstract A steering control apparatus for a vehicle of the type having a pair of steering clutches and a pair of steering brakes which comprises a pair of steering control members, a control member for a speed change gear clutch, and a power transmission gear for transmitting power to driving wheels, wherein the steering control members are connected to the steering clutches and brakes in such a manner that the brakes are actuated without disengaging the clutches when the pair of steering control members are operated simultaneously, and the control member is connected to the steering brakes and the power transmission gear in such a manner that the steering brakes are actuated after disengagement of the power transmission gear when the control member is operated.
Inventors
- 👤 Kazuo Yasoshima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:29
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; B60T7/06; B60W; B60W10/00; B60W10/02; B60W10/18
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
158 words
A steering control apparatus for a vehicle of the type having a pair of steering clutches and a pair of steering brakes comprising a pair of steering control means, first connecting means for connecting said pair of steering control means to said steering clutches and brakes such that said brakes are actuated without disengaging said clutches when said pair of steering control means are operated simultaneously, and one of said steering brakes is actuated after disengaging one of said steering clutches when only one of said pair of steering control means is operated, a speed change control means for a speed change gear clutch, power transmission gear means for transmitting power to driving wheels, and second connecting means for connecting said speed change control means to said steering brakes and said power transmission gear means such that said steering brakes are actuated after disengagement of said power transmission gear means when said speed change control means is operated.
Claim 2
Dependent Claim
158 words
A steering control apparatus for a vehicle of the type having a pair of steering clutches and a pair of steering brakes comprising a pair of steering control means, first connecting means for connecting said pair of steering control means to said steering clutches and brakes such that said brakes are actuated without disengaging said clutches when said pair of steering control means are operated simultaneously, and one of said steering brakes is actuated after disengaging one of said steering clutches when only one of said pair of steering control means is operated, a speed change control means for a speed change gear clutch, power transmission gear means for transmitting power to driving wheels, and second connecting means for connecting said speed change control means to said steering brakes and said power transmission gear means such that said steering brakes are actuated after disengagement of said power transmission gear means when said speed change control means is operated.
Claim 3
Dependent Claim
26 words
A steering control apparatus of claim 1 wherein said first connecting means include loose connecting means to allow further extention of joint members in one direction.
Claim 4
Dependent Claim
16 words
A steering control apparatus of claim 2 wherein said loose connecting means is a loose spring.
Claim 5
Dependent Claim
26 words
A steering control aparatus of claim 1 wherein said second connecting means include loose connecting means to allow further extention of joint members in one direction.
Claim 6
Dependent Claim
16 words
A steering control apparatus of claim 4 wherein said loose connecting means is a loose spring.
Claim 7
Dependent Claim
19 words
A steering control apparatus of claim 4 further comprising a pressure reducing valve connected to said loose connecting means.
Claim 8
Dependent Claim
18 words
A steering control apparatus of claim 6 wherein said pressure reducing valve is an adjustable pressure reducing valve.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-27 | 1981-08-29 | 1982-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-27 | 1985-08-29 | 1986-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-27 | 1989-08-29 | 1990-02-28 | $7700.00 | Window Closed / Lapsed |