Bearings – Linear bearing – Combined plain and antifriction
Patent
1988-04-21
1990-07-10
Footland, Lenard A.
Bearings
Linear bearing
Combined plain and antifriction
384 39, 384 40, 384 42, 384 44, F16C 2906
Patent
active
049403397
ABSTRACT:
An endless rectilinear motion rolling guide unit is provided, consisting of a track rail, a slide unit straddling said track rail and a plurality of cylindrical rollers intervened between the two members, so that said slide unit can make a rectilinear movement on said track rail. A slide bearing holding member having an inwardly and gradually decreasing height toward its one end is provided in a recess having the complementary cavity configuration that is in turn provided on the bottom wall surface of said slide unit. A friction member is secured onto the bottom surface of said slide bearing holding member in slide contact relation with the underlying track rail and the friction member can be longitudinally displaceable in the recess of the slide unit so as to adjust the contact pressure between the friction member and the underlying surface of the track rail due to wedging action deriving from the particular configuration of the insert relative to that of the recess receiving it.
REFERENCES:
patent: 4643591 (1987-02-01), Schwarz
patent: 4662762 (1987-05-01), Schwarz
patent: 4730945 (1988-03-01), Luther et al.
patent: 4773770 (1988-09-01), Osawa et al.
Footland Lenard A.
Nippon Thompson Co. Ltd.
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