Patent ID: 8313095

Claim:
Device for a clamping tool for applying pressure to a workpiece, comprising: a contacting area for a workpiece; a holding head locating space for a holding head of the clamping tool; and at least one locking element for fixing the holding head in the holding head locating space, the at least one locking element being arranged in a locking element locating space and the at least one locking element being passed through by the holding head; wherein: the at least one locking element and the locking element locating space are formed in such a manner that an amount of force required to pass through the at least one locking element in a direction of insertion of the holding head into the holding head locating space is smaller than an amount of force required to pass therethrough in the direction of extraction of the holding head from the holding head locating space; the locking element locating space has a first contacting area for the at least one locking element which is effective during the insertion of the holding head; and the locking element locating space has a second contacting area for the at least one locking element which is effective during the extraction of the holding head.