Anti-friction bearing for linear movements

Details Anti-friction bearing for linear movements Anti-friction bearing for linear movements

1990-09-10

1991-10-22

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 3106

Patent

active

050590375

ABSTRACT:
An anti-friction bearing for linear movements comprising a bearing body (10) which is guided movable on a rail (12) in a longitudinal direction thereof. The bearing body has legs (18a, b) accommodating at least one part of the rail (12) between them and a web (20) connecting these legs (18a, b) in one piece. At least one rolling body cycle (A-D) allocated to each of the legs (18a, b) has one load-transmitting rolling body row (A1-D1) in engagement with one load-receiving running path (B13, D13) of the respective leg (18a, b) and with one running path (A12-D12) at one side face of the rail (12) said side face being adjacent to said leg (18a, b). The load-transmitting rolling body rows (A1-D1) are preloadable between the respective allocated paths (B13, D13; A12-D12) and this preload is adjustable by preloading means (30). The preloading means (30) are disposed in the range of the web (20) with a direction of effect substantially normal to the longitudinal direction of the rail (12) and substantially parallel to a connecting plane (VE1, VE2) of the two load-transmitting rolling body rows (A1-D1) lying at either side of the rail (12), and which are designed to upset the web (20) in this direction of effect.

REFERENCES:
patent: 4496197 (1985-01-01), Kwon
patent: 5011300 (1991-04-01), Teramachi
Dovetail Slides and Wedge Clamps for Machines and Fixtures (Supplement 56), Handbook of Fastening and Joining of Metal Parts, Laugner, V. H., 1956, p. 542.

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