Revolving structure for glasses part

Details Revolving structure for glasses part Revolving structure for glasses part

2008-04-15

2008-04-15

Mai, Huy K (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

C351S121000, C016S228000

Reexamination Certificate

active

11352032

ABSTRACT:
A revolving structure for a glasses part for revolving a second member relative to a first member is provided with a rotational shaft provided on the first member and a cylindrical member with elasticity which is fitted on the rotational shaft externally, where the cylindrical member is fitted on the second member in a state that the cylindrical member is pressed by a pressing member and is not rotated, even if the rotational shaft of the first member is rotated. The second member has a groove portion a in which the cylindrical member is fitted and an arc face for contact with a circumferential face of the cylindrical member is formed on the groove portion. Accordingly, a revolving structure for a glasses part where when a rotational shaft is rotated, sufficient frictional resistant force is provided and entrance of dust or the like is prevented.

REFERENCES:
patent: 2260403 (1941-10-01), Preston
patent: 4018516 (1977-04-01), Hideaki et al.
patent: 4672714 (1987-06-01), Bos
patent: 6085388 (2000-07-01), Kaneko
patent: 6247810 (2001-06-01), Hirano
patent: 2003/0147045 (2003-08-01), Fukuoka
patent: 1 008 889 (2000-06-01), None
patent: 2003-121803 (2003-04-01), None

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