Device for orienting spring forces on relatively movable element

Details Device for orienting spring forces on relatively movable element Device for orienting spring forces on relatively movable element

1997-03-20

1998-09-08

Chambers, A. Michael

Valves and valve actuation

Biased valve

Springs and spring retainers

F16K 3100

Patent

active

058034331

ABSTRACT:
An apparatus for orienting the forces exerted by a helical coil spring on relatively movable elements is disclosed in which a movable element is movably mounted within a casing so as to move along a movement axis, in which a helical coil spring is interposed between the casing and the movable element so as to exert opposite forces on the casing and the movable element. The lateral forces and the torque forces on the movable element are eliminated by using a swivel joint interposed between the piston and one end of the helical coil spring. The use of the swivel element insures that the force exerted on the movable element by the helical coil spring is coincident with the movement axis of the movable element. A second swivel joint may be utilized between the second end of the helical coil spring and the casing, if desired.

REFERENCES:
patent: 5285813 (1994-02-01), Quante et al.

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