Tool holder unit for bending brakes

Details Tool holder unit for bending brakes Tool holder unit for bending brakes

2006-04-11

2006-04-11

Banks, Derris H. (Department: 3725)

Metal deforming

Tool and/or tool holder

Having unitary tool-face

C072S482600

Reexamination Certificate

active

07024915

ABSTRACT:
A toolholder unit for sheet metal bending brakes, comprising a bar to be associated with a fixed or movable part of the brake, and provided with at least one recess forming with a jaw associated therewith a groove to receive the shank of the tool, there being provided elastic means to maintain said jaw spaced from said recess and from the shank contained therein, and locking means to clamp said jaw against said shank, said locking means comprising: at least one slider axially slidable within a seat facing that side of the bar facing the jaw; at least one appendix projecting from said slider beyond that side of the bar facing the jaw; at least one cavity provided in the bar, or in a part rigid with it, to receive said appendix; and means of variable profile to cause said slider to undergo controlled translations relative to said bar.

REFERENCES:
patent: 2002/0053231 (2002-05-01), Tarasconi
patent: 2003/0019272 (2003-01-01), Harrington et al.
patent: 0 767 015 (1997-04-01), None
patent: 1 199 113 (2002-04-01), None
patent: 1 213 062 (2002-06-01), None

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