Linear motion guide unit

Details Linear motion guide unit Linear motion guide unit

1992-10-02

1994-02-22

Hannon, Thomas R.

Bearings

Linear bearing

Ball bearing

384 43, F16C 2906

Patent

active

052881512

ABSTRACT:
Two shafts (20) of a linear motion guide unit (10) are clamped together on a support (12) with positive line locking by bolts (24) engaging tapped pocket holes (22) inclined an acute angle (.alpha. ) relative to each other, one screw-hole (42) in the support (12) being inclined relative to a neighboring hole or to a mirror-symmetrical pair of counter-holes (44). Rail bodies (14) of aluminium integral with flat bars (30) include a fillet (26) with an adjacent crest (16) and a recessed step (28). Abutting shaft ends (47) may be clamped, by bolting at a counter-hole pair (44), to a through-shaft fixed at a central hole (42) on a single support (12 or 31). A continuous rail body having spaced groups of screw holes (40, 41) may be part of a box-like hollow section (64). In a three-cavity profile (70), two outer hollow sections (64) join a center cavity (71). A motor-driven carriage (49) includes strings of balls (54) or rollers (55) for engaging the outer surfaces (21) of the shafts (20) and supports a slide member (60) for zipping operation of self-sealing lips (61) situated at an open hollow section (64) side.

REFERENCES:
patent: 2519101 (1950-08-01), Bardet
patent: 3436132 (1969-04-01), Wiesler
patent: 3907385 (1975-09-01), Bartenstein
patent: 4775247 (1988-10-01), Isert
patent: 4789249 (1988-12-01), Mutolo

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