B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
138/60
B62D 5/02 (2006.01) B62D 5/083 (2006.01) B62D 5/22 (2006.01)
Patent
CA 1116047
POWER STEERING VALVE AND METHOD OF MAKING THE SAME ABSTRACT OF THE DISCLOSURE An improved power steering valve has a cylindrical sleeve which circumscribes an inner valve member. The valve sleeve has relatively short inner grooves which extend in opposite directions from a central portion of the sleeve. Although the inner grooves can be sequentially formed with an end mill, a pair of the axially extending inner grooves are advantageously formed at the same time by simultaneously cutting away material from the inside of the valve sleeve with a pair of rotating end mills. When a pair of axially extending inner valve grooves are being formed by the use of two end mills, the end mills extend into the valve sleeve from opposite axial ends of the valve sleeve.
324148
Fetherstonhaugh & Co.
Trw Inc.
LandOfFree
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