| 摘要 |
PURPOSE: To obtain an apparatus for a composite coupling having a dimensionally recoverable degree of a large ratio by providing a protruding arm in a sleeve member in order to transmit a recoverable force of a memory metal member to a base body. CONSTITUTION: The sleeve member 3 is arranged in the inside of a memory metal made hollow member 1. The sleeve member 3 is brought into contact with the hollow member 1, or brought into contact with it by the contraction or expansion of the hollow member 1. Therefore, the protruding arm 4 for transmitting the recoverable force of the hollow member 1 to the base body 2 is provided in the sleeve member 3. A large recoverable ratio is obtained by adopting a heat contractible member 1 having an extremely large diameter to the base body 2 as a pressurizing member. Thus, the apparatus for the composite coupling having the dimensionally recoverable degree of the large ratio is obtained.
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