Push to turn mechanism

Details Push to turn mechanism Push to turn mechanism

1990-08-31

1992-07-14

Luong, Vinh T.

Machine element or mechanism

Control lever and linkage systems

Elements

74526, 74527, 403335, G05G 110, G05G 104, G05G 506

Patent

active

051292831

ABSTRACT:
A rotary actuator for an appliance having a shaft with a radially outwardly-extending boss with a cam surface thereon locked in an "OFF" position between a stop and a detent lug. The user is required to move (push) the shaft axially in order to enable the boss to clear the detent to permit rotary movement away from the "OFF" position stop for affecting a control function. As the boss is rotated past the detent to the desired "ON" position, and upon user release, the shaft is spring biased to return to its initial axial position. Upon return rotary movement of the shaft by the user, the cam automatically moves the shaft axially to enable the boss to pass by the detent to return to the "OFF" position against the stop.

REFERENCES:
patent: 3528315 (1970-09-01), Marquis
patent: 3662618 (1972-05-01), Kroll et al.
patent: 3999442 (1976-12-01), Decker et al.
patent: 4132129 (1979-01-01), Pratt
patent: 4136569 (1979-01-01), Hollwelk
patent: 4237746 (1980-12-01), Rossi et al.
patent: 4486918 (1984-12-01), Peebles
patent: 5020389 (1991-06-01), Sigler

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