Spring force actuators

Expansible chamber devices – With releasable stop or latch means to prevent movement of... – Engages member coaxial with and rotatable relative to...

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Details

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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