Torque transmitting coupling

Details Torque transmitting coupling Torque transmitting coupling

1979-12-06

1981-09-15

Kundrat, Andrew V.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Holding means or protector functioning only during...

403 17, 403325, 403328, 64 6, F16B 700

Patent

active

042894140

ABSTRACT:
A torque transmitting coupling including a housing, an opening in the housing, a portion of the opening being non-circular, the opening further being adapted to receive a non-circular portion of a shaft. Locking structure is provided for selectively locking the non-circular portion of the shaft into the opening in the housing, such locking structure being biased to a locked position and selectively movable to an unlocked position. The locking structure includes a plurality of bores radially disposed in the housing, a locking element slidably disposed in each of the bores and being radially movable from an inner, locking position, wherein the elements are engageable within the recess of the shaft to thereby prevent relative axial movement of the housing with respect to the shaft; and, an outer, unlocked position, whereby the elements permit relative axial movement of the housing and the shaft. An annular cam is slidably disposed around the housing and is axially movable between a first position holding the locking elements in their locking position and a second position allowing the locking elements to move to their unlocked position. A biasing spring causes the cam to move to the first position thereof. A forward free spinning guard is rotatably disposed around the housing for preventing human contact with the housing when the housing is locked onto the shaft. An adjusting mechanism is rotatably fixed to the forward guard around the housing and is disposed between the housing and the guard for selectively moving the cam from the first to the second position thereof. The adjusting mechanism has a plurality of depressions around the periphery thereof for contacting the locking elements when the locking elements are in the unlocked position thereof, whereby rotation of the guard means causes rotation of the housing and whereby the opening in the housing can be aligned with the shaft for placing the housing over the shaft.

REFERENCES:
patent: 2673750 (1954-03-01), Scheiwer
patent: 3551013 (1970-12-01), Trojanowski et al.
patent: 3747966 (1973-07-01), Wilkes
patent: 3969033 (1976-07-01), Recker
patent: 3990550 (1976-11-01), Recker
patent: 3992119 (1976-11-01), Recker
patent: 3992120 (1976-11-01), Recker
patent: 4125337 (1978-11-01), Recker

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