Importance

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Abstract

A fixation device for fixating a portable drilling machine to a drill template, comprising a housing having a distal end holding a clamping mechanism configured to detachably fixate the housing onto two locating pins attached to and projecting from a drill template diametrically opposed to each of a plurality of guide holes therein. The clamping mechanism includes a support member having two diametrically opposed recesses for receiving the respective locating pins therein. Axial end surface portions of the support member are configured to engage an opposing surface of the template when the fixation device is attached to the locating pins. A sleeve-shaped piston is rotatable and axially movable in a cylinder within the support member. A distal end of the piston has two helical cams with wedge surfaces configured to come into engagement with a respective undercut cam surface of each locating pin upon rotating and axially displacing the piston.

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First Claim