Motor unit fitted with buffer mechanism

Details Motor unit fitted with buffer mechanism Motor unit fitted with buffer mechanism

1998-09-28

2000-04-18

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 83, 49280, 49310, 292301, 292337, 464 66, 464160, 343903, 343715, 343766, H02K 706

Patent

active

060519010

ABSTRACT:
A motor unit fitted with a buffer mechanism which absorbs the turning force of a motor when an output shaft of the motor stops due to an external load while the motor is operative and which can provide stable performance without causing biting between a worm and a worm wheel. The motor unit fitted with the buffer mechanism causes relative rotation between the output shaft and the worm wheel when the output shaft stops turning while the motor is operative. Springs and rubbers are provided in series or in parallel in a power transmission system within the worm wheel with respect to the direction of rotation of the worm wheel so as to function as buffer members by absorbing the turning force of the motor when the output shaft stops turning while the motor is operative.

REFERENCES:
patent: 3988891 (1976-11-01), Hoyler
patent: 4748865 (1988-06-01), Umezawa et al.
patent: 4885954 (1989-12-01), Wanlass
patent: 5106133 (1992-04-01), Fukumoto et al.
patent: 5173716 (1992-12-01), Tetsuka
patent: 5190499 (1993-03-01), Mori et al.
patent: 5259261 (1993-11-01), Michel
patent: 5267482 (1993-12-01), Yoshida et al.
patent: 5570103 (1996-10-01), Tetsuka
patent: 5653144 (1997-08-01), Fenelon
patent: 5692410 (1997-12-01), Fenelon
patent: 5787755 (1998-08-01), Periou et al.

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