Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1983-10-18
1984-11-27
Vlachos, Leonidas
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
407112, B23B 2900, B23P 1528, B26D 100, B26D 300
Patent
active
044844980
ABSTRACT:
A quick-change tool comprises a shank assembly and a cutting head cartridge detachably mounted on the shank assembly. The cartridge supports a cutting insert and is provided with a receptacle on the rear end thereof. The shank assembly comprises a shank body having an axial bore and a draw bar slidably held in the axial bore. The draw bar is provided with a plug on its front end. The shank body is provided with a step-like extension extending forwardly from the lower part of its front end surface below the axial bore. A key adapted to be snugly received between a pair of laterally opposed walls on the cartridge is fixed to the step-like extension. The receptacle is formed of laterally opposed side walls and a cross bar connecting the upper ends of the side walls. Laterally elongated upper abutment surfaces are formed on the rear end surface of the cross bar portion and on the front end surface of the shank body. Laterally elongated lower abutment surfaces are formed on the front end surface of the step-like extension and the rear end of the cartridge. When the cartridge is fixed to the shank body the upper abutment surfaces abut each other, the lower abutment surfaces abut each other and the receptacle rests on the step-like extension with the key received between the walls.
REFERENCES:
patent: 30548 (1860-10-01), Stevens
patent: 862809 (1907-08-01), Conklin
patent: 1409719 (1922-03-01), Hunt
Kanno Shigeyuki
Matsubara Hajime
Terrell William
Toshiba Tungaloy Co., Ltd.
Vlachos Leonidas
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