Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1982-07-23
1985-01-29
Husar, Francis S.
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
82 22, B23B 2100
Patent
active
044958439
ABSTRACT:
An automatic uncoupling device for opening half-nuts for cutting threads, which half-nuts are provided on engine lathes or any other machine tools, is installed on the body of the apron of the lathe. The device includes a control lever mounted on a shaft operatively connected to the half-nuts and a disc provided with a radially extended arm. A hollow cartridge mounted in the apron has a pin slidably inserted therein. One end of the pin is in constant contact with the arm of the disc. The device further includes a trigger arranged in contact with the opposite end of the pin. A cylindrical member with the limiting pins is shiftably mounted in the apron and adapted, upon its shiftable movement, to actuate the trigger through an elongated element. When, upon advancing movement of the apron towards a stop element provided on the lathe, the limiting pins of the cylindrical member abut against the stop element the cylindrical member is displaced and actuates the trigger, the pin in the cartridge and the shaft thus uncoupling the half-nuts.
REFERENCES:
patent: 945387 (1910-01-01), Hanson
patent: 2903933 (1959-09-01), Mackenzie
Husar Francis S.
Industrias Romi S/A
Striker Michael J.
Terrell William E.
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