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Title:
DRUM DRIVING DEVICE
Document Type and Number:
Japanese Patent JP3051541
Kind Code:
B2
Abstract:

PURPOSE: To downsize a device, and prevent vibration or rotational nonuniformity of a drum by providing a speed reducer composed of a drum inside outer rotor, an inner roller, a sun roller, a planetary roller and a carrier, connecting the outer rotor to the sun roller, and connecting the carrier directly to a drum edge plate.
CONSTITUTION: A drum A is supported with a fixing shaft 27 so as to be rotatable freely, and a driving motor C is housed in a housing B, and a stator 31 is fixed to an edge plate 30, and an outer rotor 32 is fixed to a cylindrical shaft 33. The cylindrical shaft 33 is an input shaft to a speed reducer D, and the tip forms a sun roller 38. The speed reducer D is arranged adjacently to the driving motor C inside of a cylindrical barrel 29, and is composed of an inner roller 34 fixed on the inner peripheral surface of the cylindrical barrel 29, a planetary roller 37 supported with a planetary pin 36 fixed to a carrier 35 through a bearing so as to be rotatable freely and a sun roller 38. The sun roller 38 is formed integrally with the cylindrical shaft 33 or the carrier 35, and the carrier 35 is supported with the fixing shaft 27 so as to be rotatable freely. Thereby, a device can be downsized, and vibration or rotational nonuniformity is never caused in the drum.


Inventors:
Hisayoshi Takahashi
Application Number:
JP85992A
Publication Date:
June 12, 2000
Filing Date:
January 07, 1992
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F16H13/08; G03G15/00; G03G21/00; (IPC1-7): F16H13/08; G03G15/00; G03G21/00
Domestic Patent References:
JP553381A
JP4128771A
JP317668A
JP63139372A
JP61278653A
JP6392355U
JP6370580U
JP61138868U
Attorney, Agent or Firm:
Koharu Fujita (3 outside)



 
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