Small-sized motor with worm reduction gear

Details Small-sized motor with worm reduction gear Small-sized motor with worm reduction gear

1992-05-22

1993-06-08

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74 8914, F16H 116

Patent

active

052169294

ABSTRACT:
In a small-sized motor with a worm reduction gear wherein a worm, an armature and the like are coupled onto the outer periphery of an intermediate portion of a motor shaft and fixed thereto; the motor shaft is inserted into a gear case, whereby a worm wheel is meshed with the worm; a journal member having the outer diameter larger than that of the worm is projectingly provided at a position close to the worm of the motor shaft; a bearing in the intermediate portion is fixed to the gear case; and the journal member is supported by this bearing in the intermediate portion.

REFERENCES:
patent: Re26356 (1968-03-01), Pickles
patent: 1898945 (1933-02-01), Fitzgerald
patent: 2868031 (1959-01-01), Schumb
patent: 4605107 (1986-08-01), Hallidy et al.
patent: 4742726 (1988-05-01), Adam et al.
patent: 4805472 (1989-02-01), Aoki et al.
patent: 4987791 (1991-01-01), Nakahashi et al.

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