Title:
ダンパ装置
Document Type and Number:
Japanese Patent JP6908459
Kind Code:
B2
Abstract:
The utility model provides a ventilation door device, restraines restriction transmission gear's rotation range's restriction portion damage. Ventilation door device possesses the driving source, theswitching part of switching is carried out through the drive power of driving source, drive the output gear of power take off to the switching part with the driving source, the transmission gear thatoutput gear was given to the power transmission that drives with the driving source, restrict transmission gear's rotation range's restriction portion (15) through contact transmission gear, the portion of accomodating (14) that is provided with restriction portion and accomodates output gear and transmission gear, transmission gear constitutes for passing through by the restriction restricted rotation of portion scope at the rotation range internal rotation from the primary importance to the second place, restriction portion has the portion of establishing (a 15a) that prolongs that the length that receives the direction F1 of power from transmission gear is longer than the length of the direction with direction F1 quadrature and extend to direction F1 side, preceding tip (62) of prolonging the orientation F1 side of the portion of establishing lie in extension lines restriction portion and contact position transmission gear (41) on orientation F1.
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Inventors:
Toshiomi Miyashita
Application Number:
JP2017143826A
Publication Date:
July 28, 2021
Filing Date:
July 25, 2017
Export Citation:
Assignee:
Nidec Sankyo Co., Ltd.
International Classes:
F24F13/14; F16H27/04; F16H27/08; F16H35/00; F25D17/08
Domestic Patent References:
| JP201112872A | ||||
| JP2003240102A | ||||
| JP2015209967A | ||||
| JP2015064082A | ||||
| JP11194826A |
Attorney, Agent or Firm:
Hiroki Ishii