1977-04-28
1978-09-26
Blix, Trygve M.
Cutlery
308184R, 308187, 308DIG13, F16C 3316, F16C 3512
Patent
active
041165063
ABSTRACT:
A preloaded bearing comprises a spindle which is rotatably supported in the bore of a housing by a pair of ball bearings near one end of the bore and a second pair of ball bearings near the other end of the bore. One pair of ball bearings is axially slidable in the bore and is preloaded by a compression spring acting between the bearings and an abutment in the bore. The spindle is driven by a belt which runs on a pulley at one end of the bore and thereby subjects the spindle to a radial load. A recess is provided in the wall of the bore on the radially loaded side of the slidable pair of bearings and pressurized fluid is supplied to the recess so as to exert fluid pressure in a direction opposing the load applied by the belt. The pressurized fluid is preferably lubricating oil and is supplied not only to the recesses but also to the bearings in order to lubricate them.
REFERENCES:
patent: 1242153 (1917-10-01), Dickerhoof
patent: 3664718 (1972-05-01), Uhtenwoldt
patent: 3943803 (1976-03-01), Hafla
patent: 4006944 (1977-02-01), Ando et al.
Ando Shigenori
Moritomo Sadao
Adams Bruce L.
Blix Trygve M.
Burns Robert E.
Frankfort Charles E.
Lobato Emmanuel J.
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