Rotisserie and clockwork motor therefor

Details Rotisserie and clockwork motor therefor Rotisserie and clockwork motor therefor

1977-01-24

1978-09-12

Hornsby, Harvey C.

Foods and beverages: apparatus

Cooking

Spit or impaling type

99421HV, 185 38, A47J 3704

Patent

active

041128320

ABSTRACT:
Stanchions are supported vertically aligned and each carries a vertically adjustable clamp which carries two rollers which support the weight of a rotisserie spit. One clamp has a bracket which supports a clockwork motor. The motor is connected to the spit by a universal joint to compensate for non-parallel alignment of stanchions or non-level clamps. The motor has a rotatable first spool having a winding key, a pawl to permit winding, a shaft connected to the universal joint, and the first gear of a train. A second spool is rotatably mounted in the motor. A constant torque Negator spring is fixed to the first spool and is unwound therefrom onto the second spool. At the end of the train is a pinion having triangular teeth. A reciprocable escapement plate is driven by the end pinion to control the first spool shaft for constant speed, constant torque rotation of the spit.

REFERENCES:
patent: 412360 (1889-10-01), Barclay
patent: 2477183 (1949-07-01), Humensky
patent: 2505976 (1950-05-01), Leon
patent: 2735222 (1956-02-01), Glass
patent: 3228289 (1966-01-01), Leitz et al.
patent: 3298247 (1967-01-01), Juno
patent: 3420523 (1969-01-01), Foster
patent: 3688626 (1972-09-01), Cotey

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