Bar puller with adjustable jaw-opening

Details Bar puller with adjustable jaw-opening Bar puller with adjustable jaw-opening

1988-11-25

1990-05-15

Terrell, William

Turning

Lathe

With work feeder or remover

82162, 269156, 269238, 279 1SG, 279 23A, 294100, 294115, B23B 1500, B25B 702, B25B 1806

Patent

active

049247387

ABSTRACT:
A bar puller is provided having adjustable jaws comprising fingers made of a resilient material. The fingers extend forward from a housing adapted to be mounted at a tool station of a computer numerically controlled lathe having a turret. Front and side guiding surfaces are provided on the ends of the fingers to cause the jaws to deflect outwardly and grip a bar when forcibly engaged therewith. The lathe chuck releases the bar allowing the bar puller to withdraw the end of the bar a desired distance out of the chuck. The chuck is closed while the turret continues moving away from the chuck causing the bar to be withdrawn from between the jaws of the bar puller, readying the machine for its next cycle.

REFERENCES:
patent: 349470 (1886-09-01), Wolcott
patent: 1390961 (1921-09-01), Runge et al.
patent: 1472714 (1923-10-01), Brown
patent: 1813695 (1931-07-01), Brockschmidt
patent: 1852039 (1932-04-01), Bardeen
patent: 1980465 (1934-11-01), Ackerson
patent: 3175705 (1965-03-01), Houda
patent: 3370213 (1968-01-01), Rose
patent: 3678790 (1972-07-01), Riley
patent: 3736114 (1973-05-01), Okada
patent: 3981673 (1976-09-01), Sokolow
patent: 4211123 (1980-07-01), Mack
patent: 4522091 (1985-06-01), Toffolon
patent: 4580470 (1986-04-01), Buck
patent: 4596168 (1986-06-01), Buck
patent: 4754671 (1988-07-01), Toffolon

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