Drive apparatus for power seats

Details Drive apparatus for power seats Drive apparatus for power seats

1986-11-21

1988-12-13

Herrmann, Allen D.

Machine element or mechanism

Gearing

Adjustable

74425, 384 42, F16H 116, F16H 3506

Patent

active

047902027

ABSTRACT:
An apparatus for driving a power seat in an automotive vehicle includes a worm threadedly engaged with a worm wheel accommodated in a housing and receiving driving power, a plug supporting one end of the worm, a screw threadedly engaged with the housing for supporting the plug in the housing bore, a damper provided in the bore so as to face one side of the plug, and a spacer offering little frictional resistance interposed between the damper and the one side of the plug. The plug is moved up and down relative to the housing by turning the screw, thereby aligning the central axes of the worm wheel and worm, the spacer reducing the frictional resistance working against the plug so that the latter is capable of being slid smoothly and with fine precision.

REFERENCES:
patent: 4114945 (1978-09-01), Lutz
patent: 4645159 (1987-02-01), Terada et al.

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