Claims
- 1. An electric motor comprising
- a stationary part and a rotating part,
- said rotating part comprising a shaft having a rotation axis and a commutator subassembly fixed symmetrically to said shaft,
- said commutator subassembly comprising an insulating body surrounding said shaft,
- a plurality of circumferentially spaced carbon-based material segments surrounding s aid shaft, each segment having a brush contacting surface,
- a same plurality of metallic commutators each having a first part molded to and within a corresponding segment for mechanically securing said corresponding segments and commutators and for providing electrical surface contact between said commutators and said corresponding segments,
- wherein each of said commutators includes a second dart extending out of the corresponding segment and said second part includes a tang member and a wire being electrically and mechanically connected to said tang member,
- wherein said commutator subassembly comprises a mounting member made of insulating material for securing said plurality of segments to said shaft, and
- wherein each said commutator includes a third part that extends into and is mechanically secured in the direction transverse the shaft axis by said mounting member, and
- wherein each of said third parts are molded within and completely surrounded by and in contact with said mounting member, and
- wherein said first part comprises the body of the commutator and said third part comprises the free end portion of a pawl member formed from the body of said commutator,
- said pawl member having a segment embedded portion between said free end portion and said body that is surrounded by and molded in contact with a portion of said segment.
- 2. An electric motor according to claim 1, wherein each said tang member includes a U-shaped portion for being mechanically and electrically connected to the wire, the legs of the U-shaped portion extending generally parallel to the axis of said shaft.
- 3. An electric motor according to claim 1 wherein each said tang member includes a U-shaped portion for being mechanically and electrically connected to the wire, the legs of the U-shaped portion extending generally perpendicular to the axis of said shaft.
- 4. An electric motor according to claim 1 wherein said commutator subassembly is one of the flat disk and barrel types.
- 5. An electric motor according to claim 1 wherein said tang comprises a U-shaped member having first and second legs, said first leg contacting an outer surface of said mounting member and said second leg being located over a portion of said first leg, said first leg being longer than said second leg for providing a ground terminal contact pad for a fusing machine electrode.
RELATED APPLICATION
This is a divisional application of application Ser. No. 08/871,047, filed Jun. 9, 1997, now U.S. Pat. No. 5,955,812 issued Sep. 21, 1999.
US Referenced Citations (18)
Divisions (1)
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Number |
Date |
Country |
Parent |
871047 |
Jun 1997 |
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