Porte-poincon flottant

Floating punch holder

Abstract

The present invention is related to a floating punch-holder comprising holding means adaptable to be attached to a punching apparatus, shank means having upper portion and lower portion, the upper portion of the shank being held by the holding means, punch means being connected to the lower portion of the shank means, die means adapted to cooperate with the punch means, wherein the holding means comprises a cavity adapted to accommodate and immobily lock the upper portion of the shank means, and wherein the upper portion having a configuration adapted to easily and accurately adjust the punch means in any position desired for alignment and centring with the die means while remaining in line as one or other adjustment is made. The holding means is incorporated within the punching apparatus, comprising a chuck means adaptable to be attached to the punching apparatus. The chuck means comprises an upper portion and lower portion, the upper portion is adapted to be securely attached to the apparatus and the lower portion accommodates the cavity and the chuck means has unitary configuration.

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