Method of manufacturing a gear unit of a motor

Details Method of manufacturing a gear unit of a motor Method of manufacturing a gear unit of a motor

2011-06-07

2011-06-07

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

C029S527100, C029S434000, C029S458000, C264S262000, C264S273000, C074S60600R

Reexamination Certificate

active

07954226

ABSTRACT:
In the present invention, driving torque outputted from a motor portion is transmitted to a worm from a motor shaft, further to a helical gear from the worm, and is taken out to the outside from an output shaft which rotates together with the helical gear with a fixed shaft fixed to a gear box as a center. This fixed shaft is constructed in a hollow and cylindrical shape having an opening in which one end portion thereof has been opened, and a ceiling surface in which the other end portion thereof has been closed, and one end portion of this fixed shaft is subjected to dislocation preventive work, and is fixed to a gear box made of resin by pressing-in or insert molding. The other end portion of the fixed shaft is formed with the dislocation preventive structure of the output shaft and the helical gear installed to the fixed shaft.

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