Bearings – Linear bearing – Recirculating
Patent
1986-07-14
1987-08-18
Footland, Lenard A.
Bearings
Linear bearing
Recirculating
384 47, F16C 2906
Patent
active
046873457
ABSTRACT:
A crossed roller type linear motion rolling contact bearing assembly includes a straight rail and a slider mounted on the rail slidably therealong. An endless circulating path is defined in the slider, in which a plurality of rollers are provided. Since the path includes a load section where the rollers provide a rolling contact between the slider and the rail, the slider may slidably move along the rail. Also provided in the endless path are a plurality of roller separators each of which is interposed between two adjacent rollers thereby keeping these two rollers as spaced apart from each other at all times. The separator has a pair of roller-receiving recesses for holding therein the associated rollers in a crossed arrangement, and each of the roller-receiving recesses is so shaped that the roller received therein can change its orientation over a predetermined range so as to maintain a predetermined positional relationship between the two rollers received in the recesses on both sides of the separator.
REFERENCES:
patent: 3275391 (1966-09-01), Blais
patent: 3960413 (1976-06-01), Abbuhl et al.
patent: 4547023 (1985-10-01), Blatter
patent: 4583793 (1986-04-01), Blatter
Footland Lenard A.
Franklin Richard
MacDonald Thomas S.
MacPherson Alan H.
Nippon Thompson Co. Ltd.
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