| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an origin returning mechanism of a pointing device, and the pointing device using the same capable of improving accuracy of returning operation of an operating body. <P>SOLUTION: The pointing device including the operating body 200, which is movable from an origin positionαin a horizontal direction, includes a first returning assisting plate 510 provided on the operating body 200 and having a reception hole 511 penetrating in a thickness direction, a first biasing means 530 which retains the operating body 200 at the origin positionαby biasing an outer circumference surface of the first returning assisting plate 510, a fitting block 540 accommodated movably in and out of the reception hole 511, and a second biasing means 550 which biases the fitting block 540 toward a cover portion 111. The fitting block 540 protrudes from the reception hole 511 to fit into an opening 111a of the cover portion 111 by being biased with the second biasing means 550 when the operating body 200 is located at the origin positionα. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
