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Patent Searching and Data


Title:
STEP MOTOR AND INDICATOR INSTRUMENT FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2018/190029
Kind Code:
A1
Abstract:
A step motor (6) that rotationally drives a rotating body (4) comprises: an output gear (636) having an output shaft (637) that rotates in conjunction with the rotating body around a rotation center line (C) and a final stage gear (638) that extends from the output shaft towards the outer circumferential side; radial bearings (87, 2087) that radially support the output shaft inserted on the inner circumferential side, further on one side in the axial direction than the final stage gear; a reduction mechanism (R) having a first reduction gear (635) that the final stage gear meshes with and a second reduction gear (634) that the first reduction gear meshes with further on one side in the axial direction than the final stage gear; and protrusions (89, 2089, 3089) that protrude from the radial bearings towards the other side in the axial direction, in a specified area (A) that extends from a longitudinal cross-section (L) including the rotation center line in the output gear to the opposite side to the first reduction gear.

Inventors:
SASAKI TATSUYA (JP)
Application Number:
PCT/JP2018/008211
Publication Date:
October 18, 2018
Filing Date:
March 05, 2018
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
G01D13/22; B60K35/00
Foreign References:
JP2003254797A2003-09-10
JP2001281361A2001-10-10
Attorney, Agent or Firm:
JIN Shunji (JP)
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