Cutting tool assembly
AssigneeSeco Tools AB
InventorLilian Rimet
Life of this patent
Estimating the term…
Abstract
A cutting tool assembly includes a first tool part and a second tool part. The first tool part has a forward end portion including a cutting edge and a rearward end portion having a conical section and an engagement section. The second tool part includes a conical recess and a clamping device rearwards the conical recess. The clamping device is provided in a transversal cavity of the second tool part and has a first clamp block, a second clamp block and a differential screw engaging the first and second clamp blocks. The first and second clamp blocks engage the engagement section of the first tool part to pull the first tool part into the conical recess when the first and second clamp blocks are moved towards each other by the differential screw protruding rearwards from the first and second clamp blocks.
Claims18
A cutting tool assembly comprising:
- a first tool part having at least one cutting edge;
- and
- a second tool part arranged for releasably holding the first tool part, the first tool part extending along a longitudinal axis, wherein the first tool part includes a forward end portion including the at least one cutting edge and a rearward end portion including a conical section tapering away from the forward end portion, and an engagement section located rearwards the conical section, the second tool part including a conical recess arranged for receiving the conical section of the first tool part, and a clamping device located rearwards the conical recess, the clamping device being provided in a transversal cavity of the second tool part and having a first clamp block, a second clamp block and a differential screw extending along a transversal axis and engaging the first and second clamp blocks, wherein the differential screw is configured to move the first and second clamp blocks in parallel with the transversal axis away from and towards each other, wherein the first and second clamp blocks include a respective engagement surface arranged to engage the engagement section of the first tool part when the conical section is placed in the conical recess in order to pull the first tool part into a holding position in the conical recess when the first and second clamp blocks are moved towards each other, and wherein each of the first and second clamp blocks includes a respective threaded channel extending in parallel with the transversal axis and receiving the differential screw protruding rearwards from the first and second clamp blocks beyond the threaded channels, wherein each of the threaded channels has an elongated opening, which extends in parallel with the transversal axis through a rearward end of the first and second clamp blocks, respectively, and wherein the differential screw protrudes rearwards through the openings.
Dependencies are inferred from the claim text.