Importance

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Abstract

An attaching socket of a working implement fits a tool shaft and has an exterior clamping device with a clamping piece, which with the clamping device in a closed condition engages in the tool shaft through an opening in a wall of the attaching socket. The clamping piece is mounted on a clamping lever which is mounted pivotable exteriorly on the attaching socket about a pivot axis extending substantially perpendicular to the sleeve axis and extends from that pivot axis substantially further than the length of the clamping piece. This clamping piece together with the clamping lever form a bent lever. The clamping lever is pivoted in against the tool shaft in the closed condition of the clamping device, while it is swung out in the open condition far enough from it so that the clamping piece is out of engagement with the tool shaft. With the clamping device closed the end of the tool shaft is braced by the clamping piece axially against a backstop formed by and in the attaching socket.

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First Claim