ONE-WAY DAMPER AND ELECTRONIC DEVICE

Title:

ONE-WAY DAMPER AND ELECTRONIC DEVICE

Document Type and Number:

Japanese Patent JP2006071097

Kind Code:

A

Abstract:

To provide a one-way damper capable of obtaining large braking torque and keeping braking torque at constant torque.

This one-way damper is composed of circular cylindrical housings 11, 21, a rotor 41 having silicon oil 31 stored in the housings 11, 21, a central part 43 being the center of rotation, and a rising part 45 rising from the central part 43 in the radial direction to divide the inside of the housings 11, 21 into two parts and provided with a circulation passage 46 and storing the central part 43 and the rising part 45 in the housings 11, 21 rotatably, a holding part 52 for holding the central part 43, a valve body 51 constituted by a free end part 53 extending from one end of the holding part 52 to open and close the circulation passage 46, and an O ring 61 for preventing silicon oil 31 from leaking from among the housings 11, 21 and the rotor 41.

Inventors:

TANAKA MASAMI
ARAKI MINORU

Application Number:

JP2005226575A

Publication Date:

March 16, 2006

Filing Date:

August 04, 2005

Export Citation:

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Assignee:

NIFCO INC

International Classes:

F16F9/14; F16C11/04

Domestic Patent References:

JP2000255259A	2000-09-19
JPH07301272A	1995-11-14
JPS646538A	1989-01-11
JP49147487A
JP2004068992A	2004-03-04
JP2882109B2	1999-04-12
JPS61201915A	1986-09-06
JPS5973637A	1984-04-25

Attorney, Agent or Firm:

Kenzo Fukuda
Shinichi Fukuda
Takemichi Fukuda

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