Clamping device for connecting machine spindles with tool...

B - Operations – Transporting – 23 – B

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B23B 31/02 (2006.01) B23B 29/04 (2006.01) B23B 31/107 (2006.01)

Patent

CA 2142447

- 11 - ABSTRACT A clamping device for connecting machine spindles or basic holders with tool holders or tools for machining comprises two partable clamping elements (38,40;138,140) which are radially displaceably mounted in a holder (24;124) anchored in the machine spindle (10,110) or the basic holder and in the parted position engage behind an encircling clamping shoulder inside the tool holder (12;112). The clamping elements (38,40;138,140) extend crosswise to the longitudinal direction of the tool holder (12;112) and, at their lateral outer ends, have clamping surfaces (48,50,52,54;148,150,152,154) disposed such that all fourclamping surfaces of the two clamping elements (38,40;138,140) are each distributed over the periphery of the clamping shoulder at angular distances of approximately 90°.

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