Bearings – Linear bearing – Recirculating
Patent
1991-06-28
1993-12-07
Hannon, Thomas R.
Bearings
Linear bearing
Recirculating
384 25, F16C 2906
Patent
active
052689700
ABSTRACT:
An anti-vibration linear motion rolling contact guide unit includes a rail, a slider assembly, a plurality of rolling members interposed between the rail and the slider assembly to thereby provide a rolling contact between the rail and the slider assembly, and at least one anti-vibration block fixedly attached to one end of the slider assembly. The rail has a sliding guide surface and the anti-vibration block includes an anti-vibration mechanism which includes a friction member which is preferably provided with a contact sheet at its forward end and slidably fitted in a hole formed in the anti-vibration block. The friction member is biased toward the sliding guide surface of the rail by means of a biasing means which is also fitted in the hole. An adjusting screw is screwed into a threaded portion of the hole so as to adjust the location of the biasing means which is in contact with and thus applies a force to the friction member. With this structure, any vibration between the rail and the slider assembly can be advantageously absorbed.
REFERENCES:
patent: 4662762 (1987-05-01), Schwarz
patent: 4773770 (1988-09-01), Osawa et al.
patent: 4940339 (1990-07-01), Amano
patent: 4968155 (1990-11-01), Bode
patent: 5011300 (1991-04-01), Teramachi
patent: 5013164 (1991-05-01), Tsukada
Hannon Thomas R.
Nippon Thompson Co. Ltd.
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