Power transmitting apparatus

Details Power transmitting apparatus Power transmitting apparatus

1988-09-29

1990-03-06

Braun, Leslie A.

Machine element or mechanism

Gearing

Directly cooperating gears

74625, 185 40R, 292201, F16H 116

Patent

active

049055321

ABSTRACT:
A power transmitting apparatus is comprised of an electrically operated motor having a shaft which is rotatable in one or the other direction, a worm-gear provided at an outer periphery thereof with a geared portion at which an angle of load is established at a set value so as to be larger than an angle of friction and fixedly mounted on the shaft of the motor, a worm-wheel provided at an outer periphery thereof with a geared portion which is in mesh engagement with the geared portion of the worm-gear, and a lever operatively connected to the worm-wheel for transmitting the rotational torque therefrom to a driven member. Since an angle of load is set so as to be larger than an angle of friction in the worm-gear, the rotational torque may be transmitted between the worm-gear and the worm-wheel. So, flexibility in mechanical design is increased.

REFERENCES:
patent: 2781191 (1957-02-01), Pickles
patent: 4637274 (1987-01-01), Goldenfeld
Dudley, Darle W., Gear Handbook, 1962, pp. 2-11.

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