Motor structure having bearing preload assembly

Details Motor structure having bearing preload assembly Motor structure having bearing preload assembly

1999-06-07

2000-08-22

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310 91, H02K 708

Patent

active

061077178

ABSTRACT:
A motor structure comprises a shaft formed with a circumferential groove; a hub fixed on the shaft and formed with a projected portion at the inner lower end of the central part thereof; at least two bearings for supporting the shaft for rotation; a bearing seat formed with at least one projected portion and for holding the at least two bearings, the projected portion being provided between the two bearings; and an elastic ring engaged with the circumferential groove and in cooperation with the projected portion of the bearing seat and the projected portion of the hub for fixing the bearing.

REFERENCES:
patent: 3804562 (1974-04-01), Hansson
patent: 4019824 (1977-04-01), Percy
patent: 4083613 (1978-04-01), McGee
patent: 4484492 (1984-11-01), Cadic
patent: 4658312 (1987-04-01), Elsasser et al.
patent: 5128574 (1992-07-01), Koizumi et al.
patent: 5316393 (1994-05-01), Daugherty
patent: 5343104 (1994-08-01), Takahashi et al.
patent: 5663604 (1997-09-01), Takahashi
patent: 5687016 (1997-11-01), Seto
patent: 5959383 (1999-09-01), Winzen et al.

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