Linear slide roller bearing unit

Details Linear slide roller bearing unit Linear slide roller bearing unit

1984-05-25

1985-05-21

Levy, Stuart S.

Cutlery

308 6R, F16C 2906

Patent

active

045182060

ABSTRACT:
A linear slide roller bearing unit having a pair of track shafts being constituted by a block member with a substantially triangular cross-section having loaded roller rolling surfaces formed on both side surface portions of a ridge orthogonally projecting from the center of an outer inclined surface portion thereof. A movable table of substantially U-shaped cross-section being provided with a pair of bearing bodies of substantially triangular cross-section which are screwed to corresponding recesses in the movable table, each bearing body having a pair of guide ridges each having one side surface defined as a loaded roller rolling surface confronting the corresponding loaded roller rolling surface of the associated track shaft and the other side surface defined as a non-loaded roller rolling surface. Barrel-shaped or cylindrical rollers recirculate along the rolling surfaces of the bearing bodies and contact the loaded roller rolling surfaces on the track shafts. A roller retainer is attached to each of the guide ridges so as to face the corresponding inner inclined surface portion of the associated bearing body and is adapted to guide the rollers so that they can recirculate through the space defined between the roller retainer and inner inclined surface portion. The rollers in the state of serving as loaded rollers are brought into the contact with the loaded roller rolling surfaces on the track shafts at a contact angle of about 45 degrees.

REFERENCES:
patent: 4296974 (1981-10-01), Teramachi
patent: 4302059 (1981-11-01), Teramachi
patent: 4396235 (1983-08-01), Teramachi
patent: 4428627 (1984-01-01), Teramachi

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