Hinge joint for use in the seats of motor vehicles

Details Hinge joint for use in the seats of motor vehicles Hinge joint for use in the seats of motor vehicles

1988-06-24

1989-10-17

McCall, James T.

Chairs and seats

Movable back

Tiltable

297355, B60H 102

Patent

active

048742040

ABSTRACT:
A hinge joint for use in the seats of motor vehicles has a first leaf which is affixed to the body-supporting part of the seat, a second leaf which is affixed to the pivotable back rest of the seat, and a pintle which provides a pivot for the second leaf. Each of the leaves is provided with a gear and one of the gears surrounds the other gear and has a larger number of teeth. One of the leaves is mounted on two coaxial portions of the pintle, and the gear of the other leaf spacedly surrounds a sleeve which is axially movably mounted on an eccentric portion of the pintle between the two coaxial portions and serves as a retainer for a diaphragm spring which biases the gear of the other leaf axially and radially into mesh with the gear of the one leaf. A needle bearing is interposed between the sleeve and the eccentric portion of the pintle, and a ring can be placed around the diaphragm spring to be in turn surrounded by a passive gear or by a ring-shaped extension of the one component.

REFERENCES:
patent: 4453767 (1984-01-01), Walk et al.
patent: 4469376 (1984-09-01), Pelz

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