摘要 |
<p>The device (2) has holding units e.g. circular hooks and pivotable hooks such as spring hooks, for holding the device at an object e.g. steering wheel of a vehicle. The holding units are movable in a holding part (6) over a guiding groove (20), and a recess (24) is provided in the holding part in an area of a middle point of the guiding groove. The recess is arranged within a radius of 11 and 20 centimeters (cm) around a center of gravity, and a radius of curvature of the guiding groove is 17 cm.</p> |