Construction for adjusting clearance in linear slide bearing

Details Construction for adjusting clearance in linear slide bearing Construction for adjusting clearance in linear slide bearing

1984-05-29

1985-07-09

Footland, Lenard A.

Cutlery

F16C 2906

Patent

active

045278423

ABSTRACT:
A construction for adjusting the clearance between the sliding block and the track shaft of a linear slide bearing, so as to adequately preload the load-carrying balls of the bearing while smoothing the running of the balls when the balls roll into and out of the loaded ball passages of the bearing. The construction for adjusting the clearance comprises: a pair of mounting surfaces formed on the top of the horizontal portion of the sliding block above the sleeve portions and extending longitudinally of the sliding block; a carrier mounted on the mounting surfaces and fastened by a plurality of fastening bolts such that a gap is left between the upper surface of the central portion of the horizontal portion of the sliding block and the opposing lower surface of the carrier; and at least one clearance adjusting bolt extending through the carrier and acting on the mid-portion of the horizontal portion of the sliding block between the mounting surfaces; whereby the horizontal portion of the sliding block is elastically deflected as the clearance adjusting bolt is tightened, so that the clearance between the inner surface of each sleeve portion of the sliding block and the opposing surface of the track shaft is adjusted as a result of the elastic deflection of the horizontal portion.

REFERENCES:
patent: 3560061 (1971-02-01), Shaw
patent: 3933396 (1976-01-01), Nilsson
patent: 4376557 (1983-03-01), Teramachi
patent: 4417771 (1983-11-01), Teramachi

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