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| Number | Title | Issue Date |
| 8181684 | Automatic traction device The problem of damage sustained to a traction device and the extendable traction elements thereof due to tire-roadway interaction forces exerted on the traction elements while extended over the tire tread area is solved by resiliently coupling a traction assembly wi... | 05/22/2012 |
| 8113252 | Tire traction device with guided radial tensioning arms A tire traction device having a plurality of radial tensioning arms extending radially from a central hub, a fraction pad coupled to each of the radial tensioning arms at an end opposite the central hub and the radial tensioning arms including rigid bodies movable i... | 02/14/2012 |
| 7448421 | Safety traction device A wheel hub assembly having a rim, an outer cap and an inner body joined to the cap within the rim and carrying automatically extendable and retractable curved traction elements. The traction elements are curved pieces with inner end portions disposed on the inside ... | 11/11/2008 |
| 7380578 | Quick-fit anti-skid system for vehicle wheels and associated device for fixing to the wheel An anti-skid system for vehicle wheels includes gripping elements which are intended to make contact with the tread of the wheel and are arranged at the free ends of arms joined to a central connecting body, a clamping element (15) apt to be fastened to the r... | 06/03/2008 |
| 7174935 | Automatic safety tire device An automotive device for increasing the traction on a supporting surface including a body mountable on a wheel hub and carrying a plurality of radially extending traction arms that are mounted for movement between retracted positions and extended positions in which ... | 02/13/2007 |
| 7096905 | Slip-preventing device for vehicle tire A slip-preventing device of a tire has a plurality of arm frames each of which is contacted with an inner sidewall, a tread and an outer sidewall of the tire. The arm frame has a link unit at a side of the outer sidewall of the tire. The arm frames are linked with e... | 08/29/2006 |
| 7096906 | Tire chain attachment apparatus and method A method and apparatus is provided for attaching a tire chain to a vehicle tire without necessarily crawling under the vehicle. Two members are connected to a tire chain. The members are then drawn together using a tensioning device, which allows connection of the t... | 08/29/2006 |
| 7066227 | Self-tensioning tire cable chain system A tire cable chain system is disclosed. The tire cable chain system includes a continuous and unbroken outboard annular holder; a tensioning cable adapted to form at least one tensioning cross member and a continuous and unbroken inboard annular holder disposed in p... | 06/27/2006 |
| 7055567 | Tire traction apparatus A vehicle tire-traction apparatus has a pair of tire-traction sections wherein each tire-traction section has a generally arcuate member for placement over a vehicle tire outer sidewall. Each tire-traction section has a plurality of arm members attached to the arcua... | 06/06/2006 |
| 7036542 | Nonskid device for the wheels of vehicles A nonskid device for the wheels of vehicles, has a holding element (1) situated in the region of the wheel axis and used with elastic holding arms (2) holding a chain mesh (4). A tension cable (7) is used to introduce tension forces into ... | 05/02/2006 |
| 6983778 | Road gripping assembly A road gripping and traction assembly includes an assembly that is removably positionable on a vehicle wheel that includes a rim having a plurality of threaded bolts extending therethrough. The assembly includes a hub having an inner surface, an outer surface and a ... | 01/10/2006 |
| 6923230 | Adapter for fastening snow chains to vehicle wheels To fasten snow chains to vehicle wheels, an adapter device (100; 200; 300; 400) is used that can be fastened to at least one wheel bolt and comprises a body that is constructed to be connected to connection and installation elements of the snow chains. The ad... | 08/02/2005 |
| 6915825 | Self-tensioning tire cable chain system A tire cable chain system is disclosed. The tire cable chain system includes a continuous and unbroken outboard annular holder; a tensioning cable adapted to form at least one tensioning cross member and a continuous and unbroken inboard annular holder disposed in p... | 07/12/2005 |
| 6868717 | Method and device to encapsulate tire tag A method for encapsulating a monitoring device for a pneumatic tire, wherein the monitoring device includes a threaded rod and a pressure sensor, includes the steps of positioning the monitoring device in an encapsulation chamber of an encapsulation device with a po... | 03/22/2005 |
| 6386254 | Device to encapsulate a substrate containing sensitive electronic components and a pressure sensor pack A device for encapsulating a monitoring device for a pneumatic tire with an encapsulation material includes an encapsulation body having an encapsulation chamber. The monitoring device has at least a pressure sensor and an antenna. A damming element is ca... | 05/14/2002 |
| 6053227 | Traction device for a wheeled vehicle An emergency traction device is easily and securely fitted on vehicles having tires of different diameters and widths. A single winch sizes and secures the traction device for the proper tire diameter and then for the proper tire width.... | 04/25/2000 |
| 6022082 | Traction device for vehicle wheels A traction device for vehicle wheels has an expandable and contractible member mounted next to the vehicle wheel. The traction device has a tire with extending studs that is expandable by air pressure to increase the diameter of the tire. The tire is cont... | 02/08/2000 |
| 5837075 | Anti-skid chain An improved anti-skid chain structure is equipped with a plurality of chain units that are arranged in parallel around a tire. The chain units are coupled together end to end on each side of the tire by a plurality of connection bars and a plurality of tw... | 11/17/1998 |
| 5785783 | Device for quickly fitting snow chains to vehicle tires A tire chain assembly including two stays hinged at one end on a housing and supporting wall chains which hold tread chains in place on the tread of the tire when they are pulled tight as the stays are drawn together by a resilient linkage. Arms or resili... | 07/28/1998 |
| 5735980 | Traction device for a wheeled vehicle The present disclosure concerns an emergency traction device which may be easily and securely fitted on vehicles having tires of different diameters and widths. A first winch sizes and secures the traction device for the proper tire diameter and a second ... | 04/07/1998 |
| 5645659 | Tire add-on traction apparatus A tire add-on traction apparatus includes a ring-shaped housing which includes a ring-shaped base wall which has a circular inner edge portion and a circular outer edge portion. A hoop-shaped inner wall is connected to the inner edge portion of the base w... | 07/08/1997 |
| 5582662 | Vehicle wheel anti-slip device A vehicle wheel anti-slip device which is removably mountable on a vehicle for adding traction in snow, ice, etc. The device includes a frame having a generally rigid polygonal shape, a plurality of ground engaging claws including a first leg portion loca... | 12/10/1996 |
| 5569340 | Traction device A traction device for a tire for a driven wheel of a vehicle includes a base for resting circumferentially upon the tread of a tire. The device includes an adjustable clamp assembly extending across the base longitudinally and includes a front and a rear ... | 10/29/1996 |
| 5540267 | Traction device for wheeled vehicles A traction device for wheeled vehicles comprises a frame for securing to a wheel of a vehicle; a grip enclosure operably secured to the frame; a grip assembly radially slidably received within the grip enclosure; and an actuator secured to the frame for e... | 07/30/1996 |
| 5513684 | Anti-skid device for automobile tires A traction enhancing device for automobile tires includes a support ring and a plurality of cleat assemblies which are mounted on the support ring. The cleat assemblies include cleat members which extend over the tread portion of a tire and which include ... | 05/07/1996 |
| 5402838 | Tire traction apparatus A tire traction apparatus for use on wheels having a rim and a tire where the rim has first and second upstanding, spaced apart side portions on opposite sides thereof, and outer facing braking surfaces thereon and the tire has first and second bead porti... | 04/04/1995 |
| 5323827 | Antiskid device for vehicle wheels 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 wh... | 06/28/1994 |
| 5309967 | Antiskid device for vehicle wheels 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 retai... | 05/10/1994 |
| 5303757 | Anti-skid device for tire A tire anti-skid device comprises a mounting member removably mounted on a side surface of a wheel of an automobile in such a manner as to be coaxial with the wheel; a plurality of arms made of elastic bodies, which radially extend from the mounting membe... | 04/19/1994 |
| 5284196 | Tire chain tightening apparatus A new and improved apparatus for tightening a chain installed on a tire that is mounted on a wheel of a motor vehicle includes a hub assembly and a plurality of tension assemblies. Each tension assembly includes a first end for connecting to the hub assem... | 02/08/1994 |
| 5282503 | Anti-skid device for use on pneumatic tires An anti-skid device for use on pneumatic tires of an automotive vehicle includes a supporting ring rotatably provided on the outer circumferential periphery of a mounting plate that is detachably mounted on the wheel portion of the automotive vehicle, a p... | 02/01/1994 |
| 5261470 | Wheelchair traction device for snow and ice A snow chain traction kit for the drive wheels of a wheelchair, the kit including a number of pairs of attachment strips for each wheel and a traction strap for each pair of strips, each of the straps having a plurality of chains for providing traction on... | 11/16/1993 |
| 5254187 | Anti-skid device for vehicle wheels The anti-skid device includes a housing capable of being removably fastened on an outer side of a vehicle wheel. An anti-skid travel path, formed of chains, is connected to a plurality of radial arms of the housing. The chains are automatically positioned... | 10/19/1993 |
| 5223058 | Device for the attachment of an antiskid device to a motor vehicle wheel rim The invention relates to a device for the releasable attachment of an antiskid device to the rim of a motor vehicle wheel, having: a base disc which is formed with a central opening and can be screwed coaxially to the outside of the rim; and a more partic... | 06/29/1993 |
| 5156695 | Universal tire traction apparatus A universal tire traction apparatus adapted to being mounted on the outer hub of the wheel of a vehicle generally comprising a plurality of cleat-like members extending transversely to the tread-wall portion of a tire while being supported by a brace asse... | 10/20/1992 |
| 5147479 | Anti-skid device for use on pneumatic tires for automotive vehicles An anti-skid device for use on pneumatic tires of an automotive vehicle includes a supporting ring rotatably provided on the outer circumferential periphery of a mounting plate that is detachably mounted on the wheel portion of the automotive vehicle, a p... | 09/15/1992 |
| 5088534 | Traction device having projecting ribs which fit into grooves of a tire tread A device for improving the winter road holding properties of automobiles is disclosed, which includes anti-skid members arranged in grooves in tire treads so as to surround lugs of the tread. A long working life of the anti-skid members may be attained if... | 02/18/1992 |
| 5070923 | Antiskid apparatus having doglegged linkages pivotally connected Antiskid apparatus comprising a first doglegged linkage of two rods which are pivotally connected together on one end and a second doglegged linkage of two rods which are pivotally connected together on one end, the linkages being pivotally connected in t... | 12/10/1991 |
| 5033522 | Anti-skid device for vehicle wheels with automatic positioning by securing members An anti-skid device for a vehicle is automatically positioned by securing members 50 which cause the device to pass from an installation position to the operating position in which an anti-skid assembly 70, such as a snow chain arrangement, is arranged on... | 07/23/1991 |
| 4974653 | Tire traction device The device includes a flat rigid rectangular frame forming a pair of opposed parallel sleeves. Four traction elements, each having shank and U-shaped hook portions, are provided for telescoping movement of the shanks within the sleeves, to thereby positio... | 12/04/1990 |
