192 clutches and power-stop control – Clutches – Torque responsive
Patent
1979-10-17
1981-09-08
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Torque responsive
64 29, 64 30E, 192150, 221 21, F16D 702, F16P 702
Patent
active
042879744
ABSTRACT:
A torque-limiting clutch and switch assembly for a vending control system including a motor cam for driving a load, a shaft driven by the motor, a motor cam connected to the shaft and having a cross-sectional rotative end bearing portion extending coaxially of the shaft, a load cam having a recess for rotatively receiving the rotative end bearing portion of the motor cam and providing the only rotative bearing support for the motor cam and the shaft on the load cam, and a clutch spring carried by and engaging the motor cam for turning the load cam with the motor cam. The motor cam includes an axially raised portion for actuating the switch assembly, and an intermediate portion between the raised portion and rotative end bearing portion carrying the clutch spring. The load cam includes a cup-shaped section having an end wall in which the recess is located, the recess communicates with the cup-shaped section of the load cam overfitting the motor cam without physical engagement.
REFERENCES:
patent: 2637987 (1953-05-01), Hill et al.
patent: 2879874 (1959-03-01), Malmros
patent: 3132730 (1964-05-01), Dahlstrand et al.
patent: 3696775 (1972-10-01), Markart
patent: 3802222 (1974-04-01), Weber
patent: 3998357 (1976-12-01), Levasseur
Bonck Rodney H.
Coin Acceptors, Inc.
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