Electromechanical speed variator

Details Electromechanical speed variator Electromechanical speed variator

1974-03-20

1976-04-13

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74209, 74210, F16H 1302, F16H 1300, F16H 1312

Patent

active

039496171

ABSTRACT:
An electromechanical speed variator for apparatus having a device suitable to be rotated at two or more speeds different from one another, comprising a first electric drive motor for directly rotating said device at a first speed; a second electric drive motor for indirectly rotating said device at a second speed; a drive wheel connected to the shaft of one of said motors and a friction wheel idly rotably carried by a moving support between a first inoperative position remote from said drive wheel and a second operative position, thereat contacting said drive wheel and respectively the shaft of said other electric drive motor; and control means comprising an electromagnet, and return spring means acting on the moving support of the friction wheel to move the latter to either of its two said positions.

REFERENCES:
patent: 2547666 (1951-04-01), Schneider
patent: 2603977 (1952-07-01), Cain
patent: 2732724 (1956-01-01), Tateishi
patent: 2935879 (1960-05-01), Morrison et al.
patent: 3815430 (1974-06-01), Strobel et al.

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