Rotary seat adjustment mechanism

Details Rotary seat adjustment mechanism Rotary seat adjustment mechanism

1998-06-15

2000-07-11

Cranmer, Laurie K.

Chairs and seats

Movable back

Tiltable

29736214, B60N 202

Patent

active

06086155&

ABSTRACT:
The rotary adjustment mechanism adjusts the seat back of a vehicle seat. The mechanism includes a handle mounted for rotation with respect to the seat. The handle has an internal gear, and the internal gear drives a pair of pinion gears positioned within the internal gear. Each gear rotates a flexible shaft, and each shaft connects to a leadscrew. The leadscrew has a threaded end, which mates with a threaded nut connected one seat pivot. Shaft rotation rotates the leadscrew, which causes the threaded nut to move axially, which in turn, pivots the respective seat pivot.

REFERENCES:
patent: 3738706 (1973-06-01), Caldemeyer
patent: 3814475 (1974-06-01), Slabon et al.
patent: 4865385 (1989-09-01), Suzuki

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