Ball-circulated ball bearing assembly

Details Ball-circulated ball bearing assembly Ball-circulated ball bearing assembly

1985-05-07

1986-04-15

Footland, Lenard A.

Cutlery

F16C 2906

Patent

active

045823715

ABSTRACT:
A ball-circulated ball bearing assembly for infinite linear motion includes a track or guide rail extending straight and provided with a pair of guide grooves and a table sub-assembly which is provided with a pair of endless circulating paths, along each of which a plurality of balls are moved in circulation, thereby allowing the table sub-assembly to move along the guide rail however long it may be. In the preferred embodiment, the table sub-assembly includes a table, a three-part block member defining part of the endless circulating path, a retainer for retaining the block member to the table and a plurality of balls located in the endless circulating path. The retainer is preferably comprised of a shaped plate having a generally U-shaped cross section and having a pair of inwardly curved top edges which come into engagement with the table when assembled to keep the entire table sub-assembly resiliently integrated.

REFERENCES:
patent: 3920289 (1975-11-01), Demay
patent: 4296974 (1981-10-01), Teramachi
patent: 4396235 (1983-08-01), Teramachi
patent: 4505521 (1985-03-01), Teramachi

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