Joints and connections – Manually releaseable latch type – Having operating mechanism
Patent
1998-06-01
2000-06-06
Browne, Lynne H.
Joints and connections
Manually releaseable latch type
Having operating mechanism
403320, B25G 316
Patent
active
060710357
ABSTRACT:
An interchangeable tool coupling assembly includes a coupling base, a connecting collar, a locking sleeve, a wave spring and an interchangeable tool having a shaft with an end and a pin protruding from a side of the shaft end. At one end portion, the coupling base receives the shaft end and at an opposite end portion is threadable into a threaded hex shaped endof an universal handle. Between its opposite end portions, the coupling base has a hex shaped nut. The connecting collar is disposed over the coupling base and slidable relative thereto toward and away from the hex shaped nut in which a hex shaped hollow end portion of the connecting collar assumes respective connected and disconnected positions relative to the hex shaped end of the universal handle threaded with the hex shaped nut, respectively preventing and allowing unthreading of the handle end from the coupling base. The locking sleeve is disposed over the one end portion of the coupling base and defines L shaped slots each having locking and unlocking portions and receiving opposite ends of the interchangeable tool pin. When the connecting collar is in its connected position, the locking sleeve is rotatable relative to the coupling base between locked and unlocked conditions in which opposite ends of the pin are correspondingly disposed in the locking and unlocking portions of the slots. The wave spring biases the locking sleeve to retain the opposite ends of the pin in the locking portions of the slots thereby retaining the locking sleeve in its locked condition and the connecting collar in its connected position.
REFERENCES:
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patent: 4661009 (1987-04-01), Tripp
patent: 4663796 (1987-05-01), Helling et al.
patent: 5851035 (1998-12-01), Marc et al.
'Hubbell Incorporated
Binda Greg
Browne Lynne H.
Presson Jerry M.
Swartz Michael R.
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