B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
138/60
B62D 3/14 (2006.01) B62D 5/24 (2006.01)
Patent
CA 1151976
POWER STEERING GEAR WITH ADJUSTABLE VALVE POSITIONING PIN ABSTRACT: An adjustable guide pin arrangement for an integral power steering gear is provided. A recipro- cating valve is provided within the piston of the gear to selectively distribute pressurized fluid to the end of the piston for steering action. An input shaft engages the valve to move the valve providing the input signal. An output pinion engages the piston along the side. The guide pin is mounted in the pis- ton and has two pairs of tapered flat guide surfaces at its distal end. One pair of guide surfaces engages a corresponding tapered slot in the valve for each adjusted position. Screw threads are pro- vided to adjustably move the pin inward for less clearance and outward for more clearance between the guide surfaces and the sides of the slot. The taper of the distal end of the pin is approximately 2°-2 1/20. Each quarter turn preferably provides a differential clearance of approximately .001 inch. A tool-engaging slot on the head of the pin provides for easy visual adjustment during assembly.
365099
Meredith & Finlayson
Sheppard Peter H.
LandOfFree
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