Bearings – Linear bearing – Recirculating
Patent
1991-10-09
1992-07-14
Hannon, Thomas R.
Bearings
Linear bearing
Recirculating
384 44, F16C 2906
Patent
active
051297361
ABSTRACT:
An indefinite linear motion rolling contact guide unit generally includes a rail, a slider and a plurality of rolling members interposed between the rail and the slider. The rail includes a pair of inner upper and lower guide surfaces at each side. The slider includes a horizontal section and a pair of vertical sections each at each side of the horizontal section and each of the vertical sections is provided with a pair of first and second endless circulating paths, each of which includes a load path section, a return path section and a pair of curved connecting path sections. The return path section of the second endless circulating path is located higher in level and further away from the center line of the guide unit than the return path section of the first endless circulating path to thereby allow to provide a mounting hole between the return path section of the second endless circulating path and an inner side surface of the vertical section.
REFERENCES:
patent: 4563045 (1986-01-01), Katayama
patent: 4799804 (1989-01-01), Tanaka
patent: 4799805 (1989-01-01), Tanaka
patent: 4902143 (1990-02-01), Morita
patent: 4941197 (1990-07-01), Roeser
Hannon Thomas R.
Nippon Thompson Co. Ltd.
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