B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
26/79
B21D 41/04 (2006.01) B21D 39/04 (2006.01)
Patent
CA 1314131
Title SELF-RETRACTING MODULAR COLLET ASSEMBLY Abstract of the Invention A collet assembly includes a self-retraction system for convenience of use and quick adjustment. In a preferred form, the collet assembly is releasably retained against a top pressure ring normally biased apart from a base ring. The pressure ring includes a plurality of elongated detents which extend axially from the pressure ring, each adapted for insertion into a detent- receiving socket of one die segment contained in an elastomeric cage. Each detent is radially moveable with respect to the pressure ring, such that as the die segments are contracted radially inwardly, the detents hold the segments to the pressure ring but permit movement of the segments radially with respect to the ring. After each crimping operation, the detents, which are normally spring biased to their radially outermost position, will return the die segments to a fully opened position. In addition, the pressure ring is retracted upwardly away from the base ring by means of an axial spring biasing system to provide clearance for removing the finished crimped product from the collet assembly.
603065
Hoff Steven R.
Zuber Larry L.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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