Plastic drive block for vehicle seat adjuster

Details Plastic drive block for vehicle seat adjuster Plastic drive block for vehicle seat adjuster

1996-12-19

1998-08-25

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744248R, 29721618, 297330, 248429, F16H 2524

Patent

active

057972931

ABSTRACT:
A drive apparatus includes a rotatable threaded shaft disposed between a first member movably mounted with respect to a stationary second member. A housing having a freely movable leg is fixedly mounted to the second member, with the free leg movably extending into an aperture in the second member. A plastic drive block threadingly engaged with the threaded shaft is mounted within the housing. A cushion member is coupled to the drive nut and resiliently supports the drive nut in the housing. Axial forces exerted on the threaded shaft cause deformation of the side leg of the housing into direct contact with the lead screw to form a metal to metal path between the lead screw and the second member through the housing.

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