Linear motion guide unit

Details Linear motion guide unit Linear motion guide unit

1987-04-22

1988-10-04

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

384 45, F16G 2906

Patent

active

047752475

ABSTRACT:
The invention relates to a guide unit (10) for effecting linear motion. It includes a rail body (12) having longitudinal recesses (20) in which shafts (22) are held so as to protrude with their outside (24). The top face (18) of the rail body comprises edges by way of upper ribs (26) which may be elastic or adjustable in opposition to rigid lower ribs (28). Along the center of the rail body (12), there are evenly spaced hollows (32) into which fitting pieces (30) are squeezed. For improved force-fit, the top (18) of the rail body (12) may have a longitudinal slot (52) with bores; if cylindrical rollers ar pressed thereinto, the upper ribs (26) bend down to firmly and uniformly grip the shafts (22). These may be positively engaged by linear ball bearings (42) of a carriage (40) slideably mounted to the guide unit (10).

REFERENCES:
patent: 2918333 (1959-12-01), Friedman
patent: 4572590 (1986-02-01), Teramachi

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