Bearings – Linear bearing – Recirculating
Patent
1991-02-22
1992-02-25
Footland, Lenard A.
Bearings
Linear bearing
Recirculating
F16C 2906
Patent
active
050908219
ABSTRACT:
A roller type linear guide apparatus includes a guide rail having V-shaped roller rolling grooves, respectively formed in lateral side surfaces, and a slider having V-shaped bearing mounting grooves respectively formed in inner surfaces of both side walls. A roller bearing which is mounted to each of the V-shaped bearing mounting grooves of the slider includes a pair of roller rows, and each row of rollers circulate along an elliptic infinitely circulating path. Circulating planes respectively containing the elliptic infinitely circulating paths of the two roller rows of the roller bearing are inclined to intersect each other so that loaded rollers of one of the two roller rows roll on one inclined surface of the V-shaped roller rolling groove and loaded rollers of the other of the two roller rows roll on the other inclined surface of the V-shaped roller rolling groove of the guide rail. Each roller bearing is secured to the V-shaped bearing mounting groove by two bolts which are screwed into bolt screw holes respectively formed in the inclined surfaces of the V-shaped bearing mounting groove.
REFERENCES:
patent: 4558910 (1985-12-01), Teramachi
patent: 4659238 (1987-04-01), Teramachi
Footland Lenard A.
Nippon Seiko Kabushiki Kaisha
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