Origin returning mechanism of pointing device and pointing...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device

Reexamination Certificate

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Details

C345S163000, C345S156000, C273S14800B

Reexamination Certificate

active

07636081

ABSTRACT:
A pointing device includes an operating body200in which one end operably protrudes from an opening111aof a cover portion111of a case body100and which is movable depending on the operation toward a horizontal direction from an origin position α; a first returning assisting plate510provided with the operating body200and having a reception hole511penetrating in the thickness direction; a first biasing means530which retains the operating body200at the origin position α by biasing an outer circumference surface of the first returning assisting plate510; a fitting block540accommodated movably in and out of the reception hole511; and a second biasing means550which biases the fitting block540toward the cover portion111. The fitting block540protrudes from the reception hole511to fit into the opening111aof the cover portion111by being biased with the second biasing means550when the operating body200is located at the origin position α.

REFERENCES:
patent: 4584510 (1986-04-01), Hollow
patent: 5459292 (1995-10-01), Nagano et al.
patent: 6362810 (2002-03-01), Matsuda
patent: 11-161420 (1999-06-01), None
patent: 2000-276294 (2000-10-01), None
patent: 2001-255995 (2001-09-01), None
Notification of Reasons for Refusal dated Apr. 21, 2009 for JP 2005-222989.

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