Multi-jaw vise

Details Multi-jaw vise Multi-jaw vise

1989-11-06

1990-10-02

Watson, Robert C.

Work holders

Relatively movable jaws

With tool couple element

269224, 269254CS, B23Q 300

Patent

active

049602691

ABSTRACT:
A multi-jaw vise structure comprising both fixed and movable jaws that are adapted to clamp a workpiece and a portion to be severed therefrom in such a manner that excessive tool wear and uneven cut surfaces resulting from vibration and/or the break-away of the severed portion are substantially eliminated. One of the jaws of the vise includes a movable bearing face which is biased by a compression spring into contact with the workpiece to cause at least some of the workpiece to remain clamped within the vise when the vise is partially opened while permitting the cut off portion to be freely removed.

REFERENCES:
patent: 791438 (1905-05-01), Caldwell et al.
patent: 1900314 (1933-03-01), Strom
patent: 2003619 (1935-06-01), Williamson
patent: 2111468 (1938-03-01), Corkum
patent: 2574306 (1951-11-01), Walker
patent: 2613714 (1952-10-01), Miller
patent: 2680395 (1954-06-01), Christiansen
patent: 2779364 (1957-01-01), Farmer
patent: 4821393 (1989-04-01), Spigarelli

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