Patent ID: 8885337

Claim:
A retaining system for fastening an electronic auxiliary device, the retaining system comprising: a retaining element; a cam control with a cam disk; an actuating lever acting on the cam disk; the retaining element having a perimeter that is effective for receiving an electronic auxiliary device; the perimeter adjustable so as to be greater in an open position than in a closed position of the retaining element; wherein the retaining element comprises: fixation elements adapted to engage the electronic auxiliary device; at least one elastic element engaging the fixation elements and tensioning the fixation elements; a baseplate; wherein the fixation elements are slidably arranged on the baseplate; wherein the actuating lever and the cam disk are pivotably supported on the baseplate; wherein the cam disk engages the fixation elements; wherein the actuating lever, when pivoted, moves the cam disk and the cam disk moves the fixation elements so that the retaining element is in the open position or in the closed position.