Power seat slide device

Details Power seat slide device Power seat slide device

1991-05-16

1992-09-29

Chin-Shue, Alvin C.

Supports

Stand

Horizontally movable support surface

248430, 297346, 74425, 74 8914, 74 8915, B60N 108

Patent

active

051508729

ABSTRACT:
A power seat slide device includes a pair of parallel stationary rails and a pair of parallel movable rails axially slidably engaged with the stationary rails. The movable rail and the stationary rail are assembled to define therebetween an elongate tunnel which extends along a common axis of the stationary and movable rails. A threaded shaft is housed in the elongate tunnel and has both ends rotatably supported by the movable rail. A nut is received in the elongate tunnel and fixed to the stationary rail. The threaded shaft is operatively engaged with the nut so that rotation of the threaded shaft about its axis induces a longitudinal movement of the movable rail relative to the stationary rail. An electric motor is mounted on the movable rail and has a drive shaft. A gear mechanism is arranged between the drive shaft and the threaded shaft for transmitting a power of the drive shaft to the threaded shaft. A gear housing houses therein the gear mechanism. A pair of holders are secured to the movable rail with the gear housing placed therebetween for holding the gear housing.

REFERENCES:
patent: 4023433 (1977-05-01), Schutz
patent: 4645159 (1987-02-01), Terada
patent: 4721337 (1988-01-01), Tomita
patent: 4907776 (1990-03-01), Nemoto
patent: 4949932 (1990-08-01), Terai

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