| 摘要 |
The rotary adjustment mechanism adjusts the seat back of a vehicle seat. The mechanism includes a handle (40) mounted for rotation with respect to the seat. The handle has an internal gear (74), and the internal gear drives a pair of pinion gears (64, 66) positioned within the internal gear. Each gear rotates a flexible shaft (110, 112), and each shaft connects to a leadscrew (120, 122). The leadscrew has a threaded end, which mates with a threaded nut (124, 126) 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.
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