Title:
オートテンショナ
Document Type and Number:
Japanese Patent JP5276520
Kind Code:
B2
Abstract:
An automatic tensioner includes a base, a rotary member which is supported rotatably on the base and to which a pulley around which a belt is wound can be attached, a coil spring including one end locked on the base and the other end locked on the rotary member and adapted to bias the rotary member in one direction with respect to the base, an elastic element including one end locked on one of the rotary member and the base and the other end which is a free end and extending along an inner circumferential surface of the other of the rotary member and the base, and a friction member connected so as to be brought into contact with the inner circumferential surface of the other of the rotary member and the base and so as not to move in a circumferential direction relatively to the elastic element, wherein the coil spring is disposed in such a state that the coil spring is compressed in an axial direction and the friction member is pressed against the one of the rotary member and the base by a repulsive force attempting to expand in an axial direction.
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Inventors:
Tomokazu Ishida
Ryosuke Dan
Ryosuke Dan
Application Number:
JP2009129041A
Publication Date:
August 28, 2013
Filing Date:
May 28, 2009
Export Citation:
Assignee:
Tomokazu Ishida
Ryosuke Dan
Ryosuke Dan
International Classes:
F16H7/12
Domestic Patent References:
| JP2003254399A | ||||
| JP7083295A | ||||
| JP2004270858A |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara
Previous Patent: JPS5276519
Next Patent: STRUCTURE FOR MOUNTING DIFFUSION PLATE FOR WHITE BALANCE ADJUSTMENT AND ELECTRONIC EQUIPMENT
Next Patent: STRUCTURE FOR MOUNTING DIFFUSION PLATE FOR WHITE BALANCE ADJUSTMENT AND ELECTRONIC EQUIPMENT