Preloaded screw actuator

Details Preloaded screw actuator Preloaded screw actuator

1983-03-25

1985-04-09

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74 8915, 248405, F16H 120

Patent

active

045093822

ABSTRACT:
An automotive vehicle power-actuated seat adjuster assembly includes a screw type height adjustment apparatus employing a nut held axially but rotatable under applied torque within spaced antifriction bearings, one of which bearings is an element molded of low friction polymeric material formed with elastic thrust absorbing legs deflectable to provide up to a predetermined amount of axial preload in the screw and nut elements.

REFERENCES:
patent: 2072468 (1937-02-01), Saur et al.
patent: 2462011 (1949-02-01), Thiry
patent: 2841996 (1958-07-01), Jamieson et al.
patent: 2872256 (1959-02-01), Thomson
patent: 2893470 (1959-07-01), Peller
patent: 3212747 (1965-10-01), Hansen et al.
patent: 3218021 (1965-11-01), Michalshi
patent: 3445143 (1969-03-01), Swenson
patent: 3732744 (1973-05-01), Rowland
patent: 4217813 (1980-08-01), Bradley
patent: 4284935 (1981-08-01), March et al.

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