Geometrical instruments
Patent
1975-09-17
1977-02-08
Tupman, W.
Geometrical instruments
280735, 339 10, H01R 3900
Patent
active
040069540
ABSTRACT:
Roller bearings ensure electrical contact and smooth rotation between a rotatable member and a stationary member even during severe vibration.
REFERENCES:
patent: 3464284 (1969-09-01), Fergle
Ikawa Kazuo
Ogawa Naoki
Jones DeWalden W.
Nissan Motor Co,. Ltd.
Tupman W.
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