Patent ID: 9718109
Date: 2017-08-01
CPC Classifications: B21D,Y10T

Claim:
1. A punch tool comprising: a punch body having a sidewall that defines a central cavity, the central cavity extending along a longitudinal extent of the punch body; a punch tip comprising a body having a first end configured to be alternately secured or released with respect to the punch body and a second end comprising a working end of the punch tip, the first end including a hub; a carrier body seated within the punch body central cavity and selectively movable between raised and lowered positions within the cavity; and a plurality of wedge members movable between locked and unlocked positions within the punch body central cavity and respectively corresponding to the raised and lowered positions of the carrier body, said locked position of the wedge members corresponding to a locking configuration of the punch body with respect to the punch tip hub; wherein the carrier body is defined with slots to accommodate the plurality of wedge members, and wherein movement of the carrier body within the punch body central cavity results in corresponding movement of the wedge members relative to corresponding grooves defined in an inner surface of the punch body sidewall.