Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1975-04-24
1976-08-10
Camby, John J.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
34133, F26B 1104
Patent
active
039733300
ABSTRACT:
A control device is provided for a dryer of the type which is operable to perform first and second cycles wherein in the first cycle the drum of the dryer is rotated by a motor and wherein in the second cycle the drum is stationary. The control device comprises a switch that is movable between an off state and an on state to connect the motor in circuit with a source of energy. An actuating shaft is mounted on the dryer for rotational movement between a first position corresponding to the first cycle of operation of the dryer and a second position corresponding to the second cycle of operation of the dryer and for movement between a normal and a depressed position. The shaft mounts a lever which is positioned to engage said switch to move the switch to the on state when the shaft is in the normal position and is adapted to cause operation of the switch to the off state when the actuating shaft is in the depressed position. Lock means is provided for preventing rotation of the shaft when the shaft is in the normal position and is responsive to movement of the shaft to the depressed position to permit rotation thereof whereby the motor is automatically deenergized when the dryer is switched between the first and second cycles of operation.
REFERENCES:
patent: 2813354 (1957-11-01), Buck
patent: 2839945 (1958-06-01), Zion
patent: 2978232 (1961-04-01), Kruzan
patent: 3072386 (1963-01-01), Horecky
patent: 3169406 (1965-02-01), Mullen
patent: 3483632 (1969-12-01), Triplett
patent: 3866002 (1975-02-01), Underwood et al.
patent: 3896277 (1975-07-01), Yaginuma
Conrath Richard L.
Silva William
Camby John J.
Fedders Corporation
Schwartz Larry I.
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