| 摘要 |
<p>A device for the attachment of a snow chain to a vehicle wheel bolt is disclosed, comprising a gripping portion (2), and a cooperating hollow cylinder element (1), both being insertable one into the other through the action of a threaded driving stem, running through a hole of a bottom portion of the hollow cylinder element, wherein a cam-shaped body is further provided, which may be fastened to the stem in an axial direction and provided with a cam profile apt to cooperate with said bottom portion, and a lever-shaped manoeuvring member apt to determine a rotation of the cam-shaped body which causes a shift of the hollow cylinder element with respect to the stem and hence with respect to the bell-shaped body.</p> |
