Preload mechanism for power steering apparatus

Details Preload mechanism for power steering apparatus Preload mechanism for power steering apparatus

1992-07-31

1994-05-17

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91375A, 13762524, F15B 908

Patent

active

053119061

ABSTRACT:
A preload mechanism for use in a rotary control valve is disclosed. The preload mechanism mechanically interlocks input and output members of the control valve to inhibit relative rotation therebetween when steering torque applied to the input member is below a predetermined preload level. The preload mechanism includes a tension spring ring having at least one pair of elongated slots. Pins secured to each of the input and output members project through and are retained in the slots in an over-constrained manner whereby the preload force is bi-directionally exerted on both of the pins.

REFERENCES:
patent: 4415002 (1983-11-01), Taig
patent: 4449601 (1984-05-01), Adams
patent: 4672884 (1987-06-01), Rosell
patent: 4770081 (1988-09-01), Kita
patent: 4823839 (1989-04-01), Rayner

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