Spring force actuators

Details Spring force actuators Spring force actuators

1988-10-27

1990-03-13

Garrett, Robert E.

Expansible chamber devices

With releasable stop or latch means to prevent movement of...

Engages member coaxial with and rotatable relative to...

92 63, 92130R, 92133, F15B 1526

Patent

active

049074962

ABSTRACT:
A spring force actuator comprising a housing, an output member axially moveable in the housing, a spring captive between the member and the end wall of the housing. The actuator further comprises an axially located screw-threaded wind-off element operable to apply an opposing force to the spring between the output member and the end wall. The wind-off element is threadedly cooperable with a nut which is non-rotationally captive in an externally accessible recess of the end wall.

REFERENCES:
patent: 3109347 (1963-11-01), Brodl et al.
patent: 3152521 (1964-10-01), Cruse
patent: 3302530 (1967-02-01), Dobrikin et al.
patent: 3717072 (1973-02-01), Kaltenthaler et al.
patent: 3983792 (1976-10-01), Furtner

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