Defrosting circuit switch unit for electronic range

Details Defrosting circuit switch unit for electronic range Defrosting circuit switch unit for electronic range

1987-12-22

1989-01-17

Shoop, Jr., Willaim M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307141, 219 1055B, 219 1055C, 200 37A, 200 35R, H01H 4300

Patent

active

047989700

ABSTRACT:
A defrosting circuit switch unit for an electronic range comprises: a frame of said unit, said frame being provided with a shaft; a defrosting circuit switch lever provided in a case in which a time switch is incorporated; a connecting rod having its lower end portion connected with a free end portion of said lever, said connecting rod being slidably moved up and down; a rotary plate rotatably mounted on said frame through said shaft and provided with a stopper extending in a projecting manner, said stopper being received in an elongated hole of an upper portion of said connecting rod, said rotary plate being integrally formed with a projection and a sector cam, said projection abutting on a leaf spring mounted on said frame; and a tension spring mounted between said rotary plate and said frame so as to resiliently biasing said rotary plate, said tension spring being engaged with said rotary plate through an engaging hole provided in said rotary plate.

REFERENCES:
patent: 4523062 (1985-06-01), Mahon
patent: 4629845 (1986-12-01), Mahon
patent: 4697057 (1987-09-01), Fowler

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