Patent ID: 7946785

Claim:
A blocking body for restricting the mobility of a vehicle having wheels, wherein the blocking body comprises: (a) at least four members, each member having a tip; and (b) a common base, wherein the at least four members are pivotally connected to the common base so as to be foldable into a transport state and into an active state, wherein when the blocking body is folded into the transport state the at least four members are pivoted upwards from the base so that the tips of each one of the at least four members lie in one plane, and when the blocking body is folded into the active state the at least four members are orientated so that at least three tips of the at least four members form contact points on a surface and at least the fourth member points upwards from the surface so as penetrate one of the wheels of the vehicle having wheels when the blocking body is run over by the one wheel of the vehicle having wheels.