Opening and closing device

Details Opening and closing device Opening and closing device

2007-11-30

2010-12-07

Estrada, Angel R (Department: 2831)

Electricity: conductors and insulators

Insulators

With insulator-supporting or attaching means

C174S520000, C174S135000, C361S679010, C379S433130, C016S330000, C016S326000

Reexamination Certificate

active

07847194

ABSTRACT:
An opening and closing device to be used in a variety of electronic apparatuses is disclosed, and the opening and closing device can be manufactured at a low cost and ensures a positive opening/closing action. After the reversing cam moves along an axial line, a movable cam protruding on an inner wall of a ring-like movable unit elastically urges against a reversing cam. While the movable cam is held at a given angle, the movable cam elastically urges against the reversing cam and rotates, so that a stationary unit needs no stationary cam during this given angle being kept. The stationary unit thus needs the stationary cam on its outer wall only in part but not entirely. As a result, the stationary unit can be manufactured with ease by forming process.

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South Korea Office Action for Application No. 10-2007-0121981, Oct. 28, 2009, Panasonic Corporation.

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