Quad guide way indefinite linear motion guide unit

Details Quad guide way indefinite linear motion guide unit Quad guide way indefinite linear motion guide unit

1991-11-27

1993-03-16

Hannon, Thomas R.

Bearings

Linear bearing

Recirculating

384 44, F16C 2906

Patent

active

051939142

ABSTRACT:
A quad guideway endless linear motion guide unit includes a rail, a slider and a plurality of rolling members interposed between the rail and the slider. The slider includes a center block and a pair of end blocks fixedly attached to the ends of the center block. The rail has four inner guide surfaces and the center block has four outer guide surfaces, each located opposite to a corresponding one of the inner guide surfaces to thereby define a load path section. The center block is formed with four holes, in each of which a sleeve having a passage defining a return path section is fitted. Each of the end blocks is provided with four curved connecting path sections for connecting the corresponding ends of the load and return path sections to thereby define an endless circulating path. The sleeve has a profiled end which is complementary in structure to an associated end of a corresponding one of the curved connecting path sections of the end block.

REFERENCES:
patent: 4648726 (1987-03-01), Katahira
patent: 4659238 (1987-04-01), Teramachi
patent: 4799805 (1989-01-01), Tanaka
patent: 4988215 (1991-01-01), Osawa

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