Position adjuster for motor vehicle seats and windows

Details Position adjuster for motor vehicle seats and windows Position adjuster for motor vehicle seats and windows

1981-03-31

1983-02-01

Lyddane, William E.

Chairs and seats

Movable bottom

Interconnected with back for relative concurrent movement

744115, 74440, 74804, 297362, A47C 1025, F16H 5518

Patent

active

043712070

ABSTRACT:
Position adjuster for the angular or vertical adjustment of a motor vehicle seat or for lifting a window, includes two mount levers connected respectively to a pair of wobble gears controlled by an eccentric; the eccentric is formed of a carrier disk rigidly connected to a rotary shaft and defining a concentric circumferential portion limited by two radially directed abutment surfaces and forming with the center of the shaft an angle of more than 180.degree.; the eccentric part is formed of two circumferentially movable wedge-like segments urged one from the other by a pressure spring so that during the rest position of the adjuster the segments are in their locking position, in which radial play in bearings and backlash in the teeth of wobble gears is eliminated; during the rotation of the shaft, one of the segments is displaced against the biasing spring and radial play facilitating the manipulation is introduced between the wobble gears.

REFERENCES:
patent: 4025109 (1977-05-01), Klingelhofer et al.
patent: 4227741 (1980-10-01), Gross et al.

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