Chairs and seats – Movable back – Tiltable
Patent
1978-12-26
1980-10-14
Lyddane, William E.
Chairs and seats
Movable back
Tiltable
16143, 74409, 74804, A47C 1025, F16H 5518
Patent
active
042277418
ABSTRACT:
The articulated mountings for vehicle seats includes two hinged parts, one part being formed with a spur gear and the other part with a geared rim of larger diameter and engaging the teeth of the spur gear. The gear rim is mounted for rotation on a pivot axle. The axle supports for joint rotation an eccentric disk which in turn supports for rotation the spur gear. To eliminate backlash in the bearing surfaces and in the meshing teeth of the gears, the eccentric disk is coupled to the pivot axle on a non-circular coupling section which engages two opposite sides of the eccentric recess in the eccentric disk but permits radial displacement of the latter. A setting mechanism preferably in the form of a resilient cushion or in the form of a biasing spring keeps the eccentric disk in its eccentric position.
REFERENCES:
patent: 1571457 (1926-02-01), Orr
patent: 3192799 (1965-07-01), Pamplin
patent: 4025109 (1977-05-01), Klingelhofer et al.
Cremer Heinz P.
Gross Josef
Schmidt Volker
Werner Heinz
Keiper Automobiltechnik GmbH & Co. KG
Lyddane William E.
Striker Michael J.
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