Cutlery
Patent
1974-12-09
1976-01-27
Spar, Robert J.
Cutlery
308194, 308196, 308197, 403132, F16C 2304
Patent
active
039349543
ABSTRACT:
A spherical bearing comprising an outer member having a hole extending from side to side, the surface of the hole being concave and spherical so that the outer member has constricted portions at each side, the outer member also having a walled keyway extending downward from the hole and extending axially from side to side of the outer member substantially perpendicular to the sides of the outer member; a walled key in the keyway co-extensive with the keyway, the key also having a concave and spherical top surface corresponding to the surface of the hole so that the key has shoulder portions corresponding to the constricted portions of the outer member; and a partially spherical inner member having flat sides, the inner member being held in the outer member by impingement of the spherical surface of the inner member against the constricted portions of the outer member and the key being held in the outer member by impingement of the shoulder portions of the key against the spherical surface of the inner member, the improvement comprising the provision of a radial extending slot in the walled key, adjusting members in the wall of the key to vary the width of the slot thereby varying the bearing tolerance between the inner and outer member.
REFERENCES:
patent: 322482 (1885-07-01), Rice
patent: 3365249 (1968-01-01), McCloskey
Reese Randolph A.
Rockwell International Corporation
Spar Robert J.
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