Patent ID: 6572309
Filing Date: 2003-06-03
Classification: B23B,Y10T

Abstract:
A manually actuable key for widening an insert-receiving seat of an insert holder, comprising:a shaft having a manual gripping portion, and an expansion mechanism mounted on the shaft at a location spaced from the gripping portion, the expansion mechanism comprising: a mounting element carried by the shaft, with the shaft being rotatable relative to the mounting element about a rotary axis extending transversely of a longitudinal axis of the shaft, the mounting element including a fixing section for mounting the key to the holder, the fixing section situated farther from the manual gripping portion than is the rotary axis, an expansion element connected to the shaft for rotation therewith relative to the mounting element, the expansion element extending through the mounting element parallel to the rotary axis and including a projecting portion projecting transversely from the mounting element and having an out-of-round cross sectional shape for insertion into the holder, and a stop arrangement for terminating rotation of the shaft following a predetermined extent of relative rotation between the shaft and the mounting element.