Cutlery
Patent
1974-10-16
1976-03-23
Wood, Jr., M. H.
Cutlery
308122, 308DIG1, F16C 2900
Patent
active
039456927
ABSTRACT:
A high rigidity fluid bearing adapted to rotatably support a rotary shaft on a stationary base and a method for manufacturing the same. The fluid bearing is provided with a bearing bushing which includes a plurality of fluid pockets spaced apart in the circumferential direction, a land portion surrounding the fluid pockets, throttles connected respectively to the fluid pockets, and a raised land formed in each of the fluid pockets. On the bearing bushing, a deformable portion is formed around the raised land. The bearing bushing is urged and fixed to an arbor inserted therein and having a diameter smaller than that of the bore thereof at one end of each raised land so as to form a wedge-shape clearance between the raised land and the arbor. The outer periphery of the bearing bushing fixed to the arbor is machined to a true or proper circle. After removed from the arbor, the bearing bushing is fitted to the stationary base. Each raised land is then arranged so as to protrude toward the outer periphery of the rotary shaft, inserted to the bearing bushing beyond the surface of the land portion to thereby form the wedge-shape clearance to bring a high rigidity to the fluid bearing.
REFERENCES:
patent: 3101224 (1963-08-01), Adams
patent: 3508799 (1970-04-01), Gordon
Church Gene A.
Toyoda-Koki Kabushiki Kaisha
Wood, Jr. M. H.
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