Hydraulic dual solenoid directional control valve with manual ov

Details Hydraulic dual solenoid directional control valve with manual ov Hydraulic dual solenoid directional control valve with manual ov

1993-12-30

1996-01-23

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

251 90, 25112903, 2511291, F15B 1301, F15B 13044

Patent

active

054858690

ABSTRACT:
In accordance with the invention, the hydraulic dual solenoid directional control valve embodying the invention includes means at each end of the hydraulic dual solenoid directional control valve which includes a hinge fixed to the coil at each end, a lever pivoted to the hinge and an elbow connected to the hinge and connected to a common rod. The rod has a non-circular sleeve, preferably square, which projects normally through a complementary opening in a projection on one of the hinges. When the rod is moved in one direction, the sleeve and rod are moved such that an interference fit is provided with rotation between the sleeve and the projection on one hinge causing the lever to yieldingly apply force to the pin of the corresponding solenoid, actuating the valve in one direction. When the rod is actuated in the opposite direction and then rotated after clearing the sleeve from the opening in the hinge, the sleeve provides an interference fit with the other side of the other hinge such that the lever on the other end of the valve is actuated and held in position having shifted the spool of the valve in the opposite direction.

REFERENCES:
patent: 20788 (1858-07-01), Getty
Latching manual override on solenoid DG4V-3 DG4V-3S (Undated).
Drawing (Undated) Representing the Prior Art Described on p. 1, Lines 12-19 of the Specification.

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