| 摘要 |
PROBLEM TO BE SOLVED: To provide desktop equipment that enables an operation of an equipment body with extremely smooth light force. SOLUTION: A fulcrum shaft is journaled to arms mounted on the equipment body, a working shaft for depressing an operated object is journaled at a close distance from the fulcrum shaft, and an operating handle working shaft as a point of force of the arms is disposed on the side of the fulcrum shaft opposite to the working shaft, at a distance several times the length from the fulcrum shaft to the working shaft. COPYRIGHT: (C)2003,JPO
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