| 摘要 |
PROBLEM TO BE SOLVED: To provide a robot hand and its finger drive mechanism having a simple structure, miniaturizing the size, and reducing the weight cost. SOLUTION: This robot hand's finger drive mechanism is provided with finger parts 7 moving similarly to the bending of the fingers of a person, a first drive part 10 bending the finger parts 7, a second drive part 50 swinging the finger parts 7. The second drive part 50 comprises a pair of shape memory alloy linear members 55 and 56 shortening the line length by being heated in energization. When energizing either one of the pair of shape memory alloy linear members 55 or 56, the either one side of the energized shape memory alloy linear members 55 or 56 is contracted to swing the fingers 7. COPYRIGHT: (C)2004,JPO
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