| 摘要 |
PURPOSE:To transmit power smoothly by coupling rotation transmitting members having coupling chain and inserting into curvable hose then applying thin hose at the outside of said hose. CONSTITUTION:Rotation transmitting members 1 comprising coupling chains 2 are coupled to form a rotation transmitting member 1 which is inserted into a curvable hose 3. While thin hose 4 is applied over said hose 3 to pass a cord or a wire for controlling the power source. When making the frictional section at the joint of chain round and smooth, friction between the inner wall of hose and the chain rotary member 1 is reduced to never accumulate the rotary force. Consequently, strong rotary force can be transmitted smoothly irrespectively of the rotary direction, even if the power transmission hose 3 becomes longer and curvy.
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