US4469375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taumel hinge recliner
Assignee: Atwood Automotive Inc
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Filing: 1981-11-25
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Granted: 1984-09-04
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Expires: 2001-11-25
Abstract
Abstract Power hinge recliners for vehicle seat backs wherein sandwich taumel gearing provides high rigidity and torque capacity for accommodating power adjustment under occupant back pressure loads and including gravity release inertia latch back rest retention. Optional dual power actuated master and slave hinge construction is included.
Inventors
- 👤 Daniel R. Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:38
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/2213
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
126 words
Adjustable seat back hinge comprising seat and seat back bracket means, eccentric pin means pivotally connecting in eccentric relation said respective bracket means, sandwich taumel spur and ring gear means pivotally connected in eccentric relation and actuated to provide taumel relative progression of said spur and ring gear means by rotation of said eccentric pin means, and means including spur and ring gear elements of said gear means to adjust relative operative positioning of said seat and seat back bracket means, said spur gear means having positioning connection to said seat back bracket means, said connection including an intermediate plate and releasable latch means, said spur gear means comprising a pair of identical spur gear elements interengaging single relative position locating apertures in said intermediate plate.
Claim 2
Dependent Claim
126 words
Adjustable seat back hinge comprising seat and seat back bracket means, eccentric pin means pivotally connecting in eccentric relation said respective bracket means, sandwich taumel spur and ring gear means pivotally connected in eccentric relation and actuated to provide taumel relative progression of said spur and ring gear means by rotation of said eccentric pin means, and means including spur and ring gear elements of said gear means to adjust relative operative positioning of said seat and seat back bracket means, said spur gear means having positioning connection to said seat back bracket means, said connection including an intermediate plate and releasable latch means, said spur gear means comprising a pair of identical spur gear elements interengaging single relative position locating apertures in said intermediate plate.
Claim 3
Dependent Claim
15 words
The hinge of claim 1 including power actuated means for rotating said eccentric pin means.
Claim 4
Dependent Claim
19 words
The hinge of claim 1 including worm and worm wheel power actuated means for rotating said eccentric pin means.
Claim 5
Dependent Claim
22 words
The hinge of claim 1 including worm, worm wheel and reduction spur gear power actuated means for rotating said eccentric pin means.
Claim 6
Dependent Claim
35 words
The hinge of claim 2, 3 or 4 including a similarly constructed slave adjustable seat back hinge having a driving connection from said power driven eccentric pin means to the corresponding slave eccentric pin means.
Claim 7
Dependent Claim
47 words
The hinge of claim 2, 3 or 4 wherein said positioning connection to said seat back bracket means includes an intermediate plate, and rotationally interengaging means between said intermediate plate and seat back bracket means including releasable latch means for accommodating forward dumping of said seat back.
Claim 8
Dependent Claim
22 words
The hinge of claim 6 including gravity actuated latch release means inertially actuated to retain latch attitude in response to vehicle deceleration.
Claim 9
Dependent Claim
25 words
The hinge of claim 1 wherein said taumel gear means includes sandwich ring gear elements having said positioning connection fixed to said seat bracket means.
Claim 10
Dependent Claim
22 words
The hinge of claim 8 wherein said seat bracket means comprise sandwich elements having integral taumel ring gears formed at their ends.
Claim 11
Dependent Claim
18 words
The latch of claim 1 including sandwich spur gears rigidly connected to either side of said intermediate plate.
Claim 12
Dependent Claim
31 words
The hinge of claim 1 wherein said seat back bracket means comprise sandwich elements spanning said intermediate plate and having bearing engagement with the outer perimeter of said spur gear means.
Claim 13
Dependent Claim
69 words
The hinge of claim 11 wherein said taumel gear means comprises a single spur gear engaging a single ring gear extends on one side of said intermediate plate, and washer means fixed to said spur gear extends on the other side of said intermediate plate, said sandwich elements of said bracket means having respective bearing engagement with the outer perimeter of said single spur gear and said washer means.
Claim 14
Dependent Claim
21 words
The hinge of claim 11 including low friction bushing means interposed between said spur gear means and said eccentric pin means.
Claim 15
Dependent Claim
40 words
The hinge of claim 11 including low friction bushing means interposed between said spur gear means and said eccentric pin means and wherein said bushing means extends to a fixed connection with one of said seat back bracket sandwich elements.
Claim 16
Dependent Claim
21 words
The hinge of claim 1 including low friction bushing means interposed between said spur gear means and said eccentric pin means.
Claim 17
Dependent Claim
119 words
Adjustable seat back hinge comprising seat and seat back bracket means, eccentric pin means pivotally connecting in eccentric relation said respective bracket means, sandwich taumel spur and ring gear means pivotally connected in eccentric relation and actuated to provide taumel relative progression of said spur and ring gear means by rotation of said eccentric pin means, and means including spur and ring gear elements of said gear means to adjust relative operative positioning of said seat and seat back bracket means, said spur gear means having positioning connection to said seat back bracket means, said connection including an intermediate plate and releasable latch means, said spur gear means comprising a single spur gear element extending through said intermediate plate.
Claim 18
Dependent Claim
119 words
Adjustable seat back hinge comprising seat and seat back bracket means, eccentric pin means pivotally connecting in eccentric relation said respective bracket means, sandwich taumel spur and ring gear means pivotally connected in eccentric relation and actuated to provide taumel relative progression of said spur and ring gear means by rotation of said eccentric pin means, and means including spur and ring gear elements of said gear means to adjust relative operative positioning of said seat and seat back bracket means, said spur gear means having positioning connection to said seat back bracket means, said connection including an intermediate plate and releasable latch means, said spur gear means comprising a single spur gear element extending through said intermediate plate.
References Cited (Backward Citations)
US3423785A
Cited
US3401979A
Cited
US4113308A
Cited
US3972563A
Cited
US4147386A
Cited
US4196931A
Cited
US4195881A
Cited
US4366983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-04 | 1988-03-05 | 1988-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-04 | 1992-03-05 | 1992-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-04 | 1996-03-05 | 1996-09-04 | $7700.00 | Window Closed / Lapsed |