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US 2002/0054792 A1Published application
Key for widening an insert seat of a holder
AssigneeSandvik AB
InventorsPer Hansson, Gunnar Jansson
Life of this patent
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AssigneeSandvik AB
InventorsPer Hansson, Gunnar Jansson
Estimating the term…
A holder includes a seat-which removably carries a cutting insert for chip removing machining. The seat can be widened by the manual application of a force to enable the insert to be replaced. The force is applied by a manually actuable key which includes a shaft and an expansion mechanism mounted on an end of the shaft. The expansion mechanism includes a plate which is mountable to the holder in a manner enabling a projection pin of the shaft to enter a slot which constitutes an extension of the insert seat. The portion of the pin entering the slot has an out-of-round cross sectional shape. By rotating the shaft relative to the plate, the pin rotates to widen the slot, and thus to widen the seat. Rotation of the shaft relative to the plate is terminated after a predetermined amount of rotation, in response to mutual engagement between stop surfaces disposed on the shaft and the plate, respectively.
A manually actuable key for widening an insert-receiving seat of an insert holder, comprising:
A method of widening an insert seat of an insert holder, the holder including a slot extending from an inner end of the seat, the method utilizing a key 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 member 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 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 traversely from the mounting element and having an out-of-round cross sectional shape, the method comprising the steps of:
Dependencies are inferred from the claim text.