Title:
ROTATION MECHANISM FOR EYEGLASSES AND EYEGLASSES HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/084764
Kind Code:
A1
Abstract:
Disclosed are a rotation mechanism for eyeglasses in which the reduction of a resistance to rotation is minimized during use over a long period of time and eyeglasses having the rotation mechanism. The rotation mechanism for eyeglasses comprises a first base member (1), a second base member (2), and a pillar member (3) provided between the first base member (1) and the second base member (2). The second base member (2) is rotatable with respect to the first base member (1) due to a twist operation of the pillar member (3). The pillar member (3) and the first base member (1) are secured by means of a first securing portion (4). The pillar member (3) and the second base member (2) are secured by means of a second securing portion (5). The first securing portion (4) and the second securing portion (5) are spaced at a predetermined distance in the pillar axis direction.
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Inventors:
TADA HIROYUKI (JP)
YAMAMOTO KATSUMI (JP)
YAMAMOTO KATSUMI (JP)
Application Number:
PCT/JP2010/000366
Publication Date:
July 29, 2010
Filing Date:
January 22, 2010
Export Citation:
Assignee:
CHARMANT CO LTD (JP)
TADA HIROYUKI (JP)
YAMAMOTO KATSUMI (JP)
TADA HIROYUKI (JP)
YAMAMOTO KATSUMI (JP)
International Classes:
G02C5/16; G02C5/22
Foreign References:
| JP2001013468A | 2001-01-19 | |||
| JP2001066555A | 2001-03-16 | |||
| JP2001305490A | 2001-10-31 | |||
| JPH085965A | 1996-01-12 | |||
| JP2001249308A | 2001-09-14 |
Attorney, Agent or Firm:
SHIRASAKI, SHINJI (JP)
Shinji Shirasaki (JP)
Shinji Shirasaki (JP)
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