Axially-located bar puller

Details Axially-located bar puller Axially-located bar puller

1985-01-25

1986-06-24

Vlachos, Leonidas

Turning

Process of turning

82 38R, 279 16, 414 14, B23B 1312

Patent

active

045961689

ABSTRACT:
A bar puller adapted for mounting on a machine tool, such as a turret lathe, for engaging and pullingly advancing a workpiece bar. The bar puller has a compact cup-shaped housing provided with a stub shaft which mounts in the turret. The cup-shaped housing has a bore opening outwardly through the free end thereof, and an elastomeric grippping sleeve unit is closely fitted and seated within the bore, which sleeve unit projects axially beyond the free end of the housing. A nut threadably engages the housing and has an abutment wall which radially overlaps and axially engages the exposed axial end of the gripping sleeve. Rotation of the nut relative to the housing causes axial compression of the sleeve unit, whereby the latter elastically deforms radially inwardly so as to grippingly engage the workpiece bar as inserted into the central opening thereof.

REFERENCES:
patent: 2402714 (1946-06-01), Wald
patent: 2426200 (1947-08-01), Green
patent: 3448988 (1969-06-01), Athanasiou
patent: 3576144 (1971-04-01), Strah
patent: 3640442 (1972-02-01), Lyon
patent: 3664215 (1972-05-01), Selby
patent: 3691879 (1972-08-01), Blake

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