1984-05-11
1985-12-10
Levy, Stuart S.
Cutlery
384549, F16C 2906, F16C 1300
Patent
active
045575320
ABSTRACT:
Disclosed is a curvilinear bearing unit for providing a smooth guide for rotational or curvilinear motion of machine parts. The curvilinear bearing unit includes a bearing block having a curvilinear side surface having a radius of curvature substantially equal to that of an annular track base around which the bearing unit rotates, the bearing block having two loaded ball grooves formed in the curvilinear surface so as to extend along the length of the bearing block and two non-loaded ball bores formed in the solid portion of the bearing block and suitably spaced from the loaded ball grooves. End plates are attached to both longitudinal ends of the bearing block and have ball guides for guiding balls running between the loaded ball grooves and corresponding non-loaded ball bores. A retainer for retaining balls running along the loaded ball grooves is attached to the bearing block. Two loaded ball grooves are formed in the outer peripheral surface of the annular track base so as to oppose the loaded ball grooves in the curvilinear surface of the bearing block. A plurality of balls are disposed to run along endless ball passages formed by the loaded ball grooves, ball guides and the non-loaded ball bores.
REFERENCES:
patent: 640397 (1900-01-01), Merker
patent: 2744798 (1956-05-01), McCoy
patent: 3008774 (1961-11-01), Morris et al.
patent: 3934946 (1976-01-01), Burr et al.
patent: 4332426 (1982-06-01), Speicher
patent: 4384859 (1983-05-01), Teramachi
Hannon Thomas R.
Levy Stuart S.
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