Joints and connections – Interfitted members – Longitudinally splined or fluted rod
Patent
1996-01-26
1997-06-24
Knight, Anthony
Joints and connections
Interfitted members
Longitudinally splined or fluted rod
403343, 403321, 366344, 464901, B01F 1100
Patent
active
056412380
ABSTRACT:
A quick change coupling is provided which is especially suitable for a flexible cable. It includes a rotary driving assembly which includes a source of rotary power, a driving adaptor section which is coupled to and rotated by this source, a driven adaptor section which is arranged in nesting relationship with the driving adaptor section and a cable which includes a shield and a core and is connected to a tool. The core is engaged with the driven adaptor section and is rotated by the same. Also provided is a shield adaptor section which engages the shield of the cable and is displaceable by the same to engage the driven adaptor section to urge the latter to penetrate into the driving adaptor section. A locking section is included which is effective upon penetration of the driven adaptor section into the driving adaptor section by a predetermined amount to fix a nesting relationship with the same. A control section is also provided to disengage the shield adaptor section in part from the driven adaptor section after the nesting relationship has been established. This is accomplished in such a manner that rotary forces are transmitted between the driving and driven adaptor sections but such that no friction is developed between the shield adaptor section and the driven adaptor section.
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