Bearings – Rotary bearing – Plain bearing
Patent
1991-02-05
1992-07-14
Footland, Lenard A.
Bearings
Rotary bearing
Plain bearing
384204, 384439, 384537, F16C 3502
Patent
active
051297400
ABSTRACT:
A bearing device for miniature motors having a cylindrically-shaped bearing support formed by pressing an end face of a metallic motor case, and a bearing press-fitted into the bearing support to rotatably support a motor shaft, characterized in that a pressed groove is formed on the outer circumferential surface of the bearing support by pressing the outer circumferential surface is disclosed. A method of making a bearing device for miniature motor in which the clearance between the bearing and the motor shaft is set by pressing the outer circumferential surface of the bearing support using a pressing jig in a state where the motor shaft is inserted into the bearing is disclosed. Furthermore, a method of making a bearing device for miniature motors in which the pressing jig consists of at least two fixed rollers adapted to rotatably make contact with the outer circumferential surface of the bearing support, and a movable roller adapted to be rotatably forced onto the outer circumferential surface of the bearing support.
REFERENCES:
patent: 3382015 (1968-05-01), Steidl
patent: 4688952 (1987-08-01), Setele
patent: 4784499 (1988-11-01), Fukute
patent: 4806028 (1989-02-01), Miller et al.
Hoshino Michio
Matsushita Ikuo
Footland Lenard A.
Mabuchi Motor Co. Ltd.
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