Rotary shafts – gudgeons – housings – and flexible couplings for ro – Overload release coupling – Torque transmitted via a ball
Patent
1996-07-24
1999-01-05
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Overload release coupling
Torque transmitted via a ball
F16D 708
Patent
active
058555170
ABSTRACT:
A releasable coupling for motorized machine tools including first and second coupling elements which are uncoupled when a predetermined triggering torque occurs. The first coupling element includes first locking elements, such as balls, while the second coupling element includes corresponding second locking elements, such as recesses. The first coupling element includes a concentric holding element. The holding element is rotatable with respect to the first and second coupling element between an inactive position and an active position. In the inactive position, the holding element allows the first and second locking elements to engage one another to maintain the first and second coupling elements in a coupled arrangement. After the predetermined triggering torque has occurred and the holding element is rotated into the active position, the holding element prevents the first and second locking elements from engaging one another to maintain the first and second coupling elements in a uncoupled arrangement. When the first and second locking elements are disengaged and the holding element is in the active position, the first and second locking elements are rotatable with respect to one another into, and away from, a coupling rotary position. When the holding element is in the active position, the holding element prevents an elastic force from acting on the first and second locking elements when they are in the coupling rotary position, thereby preventing the first and second locking elements from engaging one another.
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Flex-Elektrowerkzeuge GmbH
Hoppin Ralph F.
Lipsitz Barry R.
Stodola Daniel P.
Strimbu Gregory J.
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