| 摘要 |
A slider mechanism ( 414 ) includes a first element ( 516 ), a second element ( 518 ) and a biasing device ( 590 ). The second element ( 518 ) slides with respect to the first element ( 516 ) along a path. The biasing device ( 590 ) functions as an over-center mechanism, such that external force is required to move the slider mechanism ( 414 ) for an initial range of its travel, and stored energy is used to move the slider mechanism ( 414 ) along a subsequent range of its travel. The biasing device ( 590 ) includes a pair of springs ( 524, 522 ) that are under compression. The springs ( 524, 522 ) are accommodated in openings ( 530, 532, 534 ) formed in the first and second elements ( 516, 518 ) and the springs ( 524, 522 ) move in a plane of the mechanism ( 414 ) to reduce the thickness of the slider mechanism ( 414 ).
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