Abstract: A device has a detachably fitting traction aid to be attached using at least two fixing devices, applied to the inner circumferential surface of a rim, in the vicinity of the rim edge, disposed opposing each other, substantially vertically on the plane of the rim and aligned with each other. A first fixing device, faces the wheel inner side, and has a first fixing element for the hooking and unhooking to a second fixing element, complementary to the first fixing element, mounted on one end of the traction aid. The second fixing device, faces the wheel outer side, and has a second fixing element being a coupling device, for coupling and tensioning a tension element, mounted on the other end of the traction aid, such that the traction aid may be tensioned transversely across the tire on the running surface, between both fixing devices.

Abstract: The invention relates to an antiskid device for vehicle wheels, having a retaining device which is coaxially attached on one side of the wheel rim or the wheel disc and which via arms disposed transversely of the running direction and engaging over the wheel running surface retaining an antiskid means bearing against the wheel running surface, the antiskid means being retained on both the side remote from the retaining device and also on the side adjacent thereto in an opening of the arm and being laterally movable in the zone of the tire base, while on the side remote from the retaining device the opening of the arm is a longitudinal opening which is disposed transversely of the running direction and in which the antiskid means attaching end located in the longitudinal opening is located transversely displaceably in relation to the running direction.

Abstract: A single tire chain adapted to be placed on an automobile tire and be anchored at its ends in front of and through an opening in the wheel.

Abstract: A snow chain assembly having a pair of cross-chains is connected with a wheel assembly by a pair of connecting devices. One connecting device includes a lug mounted to the inside of the wheel and a cooperating socket plate that receives the lug and is secured thereby. The second connecting device includes a T-shaped radial slot and a T-shaped pin connected to the chain. When the pin is inserted in the slot and moved radially outward, the slot prevents disengagement of the pin. Spring biased retaining members may be attached to the wheel as locks to further prevent chain disengagement.