Antiskid device for vehicle wheels provided with treads, particularly tires for ice surfaces or snow divisional invention patent 508.496n2 requested: 31 December 1981

摘要

1. Anti-skid device for vehicle wheels provided with treads, especially tires for surfaces covered with ice or snow, comprising a disc support attachable disc support attachable wheel disk or rim, with a number of slip arms extending radially equally spaced constructed with a previametne profile curved, overlapping the tread of the tire and carrying a grip profile or spikes on the outside at their free ends, being the profile of plastics material or other suitable material, wherein the carrier (120) disc is fastened to the wheel disk or rim by screws rim (116), trunnions wheel or by means of screws or bolts under the rim and has holes (136 ) for screws rim (116) and that on the disc carrier (120) is supported a locking disc (150) which is supported disc enclavamien to (150) which is provided with a blocking device (250) which locks the screw (116) with the support (120) disk. 2. Anti-skid device according to claim 1, characterized in that each screw rim (116) is provided at its free end sustainer disk support (120), an annular (262) groove above the disk sustainer (120) placed because the disk block (250), as locking element (250) is provided on the outside of arms (152) situated in the plane formed by the annular grooves (262) of the screw rim (116 ) and whose number corresponds to the number of screws rim (116) and each of which is provided with a latching recess (153) in the form of semicircular arc with a diameter corresponding approximately to the diameter of the annular groove (262) each screw rim (116), and because all the latching recesses (153) are arranged such that upon rotation of the locking disc (150), the latching recesses (153) thereof can be inserted into slots ring (262) of torni Tthe rim (116) with simultaneous support arms (152) of the locking disk (150) having the latching recesses (153), in the region of the holes (136) in the disk support (120) for rim bolts (116), on le sustainer disk (120), and with simultaneous support on the parts (263) by way of protrusions, screws rim (116). 3. Anti-skid device according to claims 1 and 2, characterized by each hole (136) on the hanger (120) disk screws rim (116) is formed by a circular portion (136a) with a diameter greater than the diameter of screws rim (116) and a portion (136b) extended adjacent to the circular part (136a) whose diameter corresponds approximately to the diameter of the screw rim (116) in the area of ​​the annular grooves (262) of the themselves. 4. Anti-skid device according to claims 1, 2 and 3, characterized in that each hole (136) in the supporting disc (120) for screws rim (116) is designed as elongated hole with a diameter greater than the diameter of the screws rim (116) and in that all the holes are arranged in the supporting disk (120), so that radially extend with respect to their longitudinal axes. 5. Antiskid device according to claims 1, and 2 to 4, characterized in that the locking disc (150) retained on the supporting disk (120), is covered with a cover disk (160) disposed on the supporting disc (120 ). 6. Antiskid device according to claims 1 and 2 to 5, characterized in that the cover disc (160) is provided with a certain amount of holes peephole mode corresponding to the number of rim screws (116). 7. Anti-skid device according to claims 1 and 2 to 6, characterized in that the support (120) with the slip arms disc is formed as an annular disk and disposed on a base disc (130) with holes (136) for screws rim (116), because in the base disc (130) is retained the locking disc (150) with the locking device (250), and in that the locking disc (150) is covered by the cover disc (160) fastened on the supporting disc (120). 8. Anti-skid device for vehicle wheels provided with treads, especially tires for snow or ice surfaces.