Title:
DRIVE DEVICE FOR OPENING/CLOSING BODY
Document Type and Number:
WIPO Patent Application WO/2020/213187
Kind Code:
A1
Abstract:
This drive device for an opening/closing body comprises an outer cylinder 5 that is connected at one end to a vehicle body, an inner cylinder 4 that is connected at one end to the opening/closing body and is inserted into the outer cylinder 5 so as to be relatively movable in the axial direction with respect to the outer cylinder 5, and a packing 9 provided between the inner peripheral surface of the outer cylinder 5 and the outer peripheral surface of the inner cylinder 4 to seal the gap between the inner peripheral surface and the outer peripheral surface in order to prevent water from entering the internal space of the drive device. A motor 10 and a spindle 12 rotatable around an axis by the motor 10 are housed in the inner cylinder 4, a nut 7 screwed to the spindle 12 is housed in the outer cylinder 5, an opening 53 is provided in the outer cylinder 5 to connect an internal space S formed by the inner cylinder 4 and the outer cylinder 5 with the outside, and the opening 53 is closed by a filter 14 that allows gas but not water to pass therethrough.
Inventors:
SASAKI KAZUYUKI (JP)
Application Number:
PCT/JP2019/033576
Publication Date:
October 22, 2020
Filing Date:
August 27, 2019
Export Citation:
Assignee:
MITSUI KINZOKU ACT CORP (JP)
International Classes:
E05F15/622; B60J5/10; F16H25/20; F16H25/24
Foreign References:
| JP2016098892A | 2016-05-30 | |||
| JP2017032071A | 2017-02-09 | |||
| CN107558857A | 2018-01-09 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: