Self-aligning collet
AssigneeF & S Tool and Gauge Co.
InventorWarren R. Cook
Life of this patent
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Abstract
A rotatable workpiece holding collet having flexible fingers defining an interior workpiece gripping surface intersecting the collet fingers' free end, the portion of the gripping surface adjacent the collet free end being obliquely disposed to the collet axis of rotation to function as a guide surface permitting workpieces to be inserted into the collet during rotation.
Claims8
In a rotatable collet for holding workpieces having planar exterior surfaces of uniform circumferential dimension wherein the collet includes a tubular body having an axis of rotation including a shank having a tubular head including a rear tapered cam surface, a front transverse surface and a gripping bore, the head being defined by a plurality of resilient fingers separated by a kerf and each having a gripping bore defining surface and an outer end, the improvement comprising, an oblique lead-in surface defined on each finger bore defining surface, each lead-in surface having an outer edge intersecting the associated finger outer end and an inner edge axially spaced inwardly from said outer edge, said outer edge being a greater radial distance from the body axis than said inner edge.
Dependencies are inferred from the claim text.