| 摘要 |
1533076 Universal joints KOYO SEIKO CO Ltd 22 July 1977 30938/77 Heading F2V A universal joint has a driving shaft 1 and a driven shaft 6, the driver shaft having a pin 7 extending through a bore 5 in the centre of the joint with its free end 7a engageable by a socket 10 when a pneumatic or hydraulic ram 2, 8 is operated to maintain the shafts 1, 6 in alignment. This is done when a driven member (such as a roll in a rolling mill) is disengaged from the shaft 6. The socket 10 is urged by a spring 11 to the disengaged position, there being enough clearance for the pin 7 to allow normal functioning of the joint. The joint is a Hooke's joint with a central spider 4a.
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