Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8146632 | Tightening mechanism for anti-skid and traction enhancement devices A tightening system (135) for use with anti-skid and traction devices for wheeled vehicles comprising a sealed tightening mechanism (130) which can clutch and ratchet the rotational movement applied by the user on a knob (212). The system furthe... | 04/03/2012 |
| 8061397 | Central tightening system for anti-skid devices and an anti-skid device having the same A tightening system of straps for use in anti-skid and traction enhancement devices is disclosed. The tightening system comprises a central node which is located on the principle axis of the axle of a wheel and which has a plurality of extensions adapted to fasten a... | 11/22/2011 |
| 7882876 | Snow chain attachment system comprising elastic fastening means An attachment system for a snow chain is disclosed, comprising a rolling track (1, 2a, 2b, 12) joined to a plurality of connecting arms (3) converging towards a common central structure (4), wherein a plurality of ela... | 02/08/2011 |
| 7703492 | Tire traction device securing apparatus A tire traction device securing apparatus having a plurality of elastic tensioning arms extending radially from a central hub, each of the plurality of elastic tensioning arms removably attachable to a tire traction device to provide a tension force directed toward ... | 04/27/2010 |
| 7677285 | Tire chain tightening apparatus The present invention relates to an apparatus used for tightening tire chains. One embodiment of the present invention includes an outer portion and an inner portion. The outer and inner portions have a plurality of first and second apertures, respectively. A plural... | 03/16/2010 |
| 7426949 | Tool-free tire traction device A traction device for vehicle tires is provided for when the vehicle is stuck in mud, snow, ice or similar terrain, comprising an adjustable support member having a first end and a second end; a connection member extending from the first end of the support member, w... | 09/23/2008 |
| 7278456 | Tire chain and cable installation device and method A tire chain and cable installation device to assist tire chains and cables installation on vehicles with tires or wheels. The tire chain and cable installation device is made of a resilient, flexible clamp portion having two gripping ends formed integrally with the... | 10/09/2007 |
| 7198084 | Dual purpose tire wrap A dual purpose automotive tire apparatus for alternatively supporting a vehicle's tire and/or rim in the event of a flat tire or providing enhanced traction for a vehicle on a slippery road surface. The apparatus includes a pair of elongated flexible retaining membe... | 04/03/2007 |
| 7174933 | Easy mount tire chains Configurations and installation methods for vehicle tire chains which provide tire chains especially easy to mount, and provide improvements in performance and vendor supply. ... | 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 |
| 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 |
| 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 |
| 6860306 | 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... | 03/01/2005 |
| 6619353 | Chain for tire An apparatus for preventing a slipping of a tire is disclosed. The apparatus for preventing a slipping of a tire includes a wire having separable coupling units connected at both ends of the wire at an inner side of a tire for thereby forming a circle sha... | 09/16/2003 |
| 6536491 | Method and apparatus for securing tire chains A method and apparatus for securing snow tire chains to tires. Two cables are secured to snow tire chains secured about at least one tire utilizing a securing mechanism. The two cables are secured to the securing mechanism utilizing a connecting mechanism... | 03/25/2003 |
| 6450224 | Vehicle traction device In accordance with the present invention, the traction device 10 includes mounting plate assembly 30, and cleats 40. Mounting assembly 30 comprises plate 31 and center ring 35. Plate 31 and center ring 35 are made of steel aluminum alloy or other heavy-du... | 09/17/2002 |
| 6341635 | Traction device for a wheeled vehicle The present disclosure concerns an emergency traction device that may be 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 ... | 01/29/2002 |
| 6142202 | Anti-skid apparatus An anti-skid apparatus for a tire is provided. The anti-skid apparatus includes a traction member that is positionable across the tread of the tire and a fastening assembly which is connected to the first and second ends of the traction member and extende... | 11/07/2000 |
| 6089291 | Self-tensioning device for snow chains A self-tensioning device for snow chains (2) for vehicles includes an outer element (3) closable in a ring, suitable to be placed on the outer side of the wheel (1), an inner element closable in a ring, suitable to be placed on the inner side of the wheel... | 07/18/2000 |
| 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 |
| 6047754 | Device for mounting snow chains on tires A device for mounting 3-railer snow chains having three runners on a set of double truck tires which are mounted on an outside wheel and an inside wheel. The device includes a non-elastic strap, a first wheel hook connected to a first end of the non-elast... | 04/11/2000 |
| 6044883 | Retractable anti-skid tread for dual tire vehicles An anti-skid device. The device is installed between tire pairs in vehicles using dual tires in wheel assemblies. The device increases friction between the wheeled vehicle and a slippery surface therebelow. Each of the two or more dual tire type wheel ass... | 04/04/2000 |
| 6026876 | Tire traction enhancement system A tire traction enhancement system 10 is provided comprising tire chains 2 which include an outboard circumferential elongate element 4 and an inboard circumferential elongate element 6 between which are attached a plurality of transverse traction members... | 02/22/2000 |
| 6009922 | Emergency vehicle traction device An emergency vehicle traction device for improving the traction of an automobile wheel having laterally communicating hub apertures. The device comprises a traction member preferably comprising a chain for improvement of the wheel's traction, a flexible r... | 01/04/2000 |
| 5804001 | Snow chains for vehicles The vehicle tire chain structure is disclosed, which includes a plurality of cross chains which are arcuately spaced about the tire tread, and held in place by rope connectors, each of which are connected to the successive inboard and outboard ends of the... | 09/08/1998 |
| 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 |
| 5779827 | Tire traction apparatus A tire traction improvement apparatus is provided for installation on a wheel-mounted vehicle tire and includes a base assembly which includes a base plate. A fulcrum post projects from the base plate a predetermined distance from the base plate. A pair o... | 07/14/1998 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5012848 | Antiskid device An antiskid device is provided for a vehicle wheel comprising a detachable antiskid rolling track on the periphery of the wheel, a central housing for holding radial linking elements or arms which are also attached to chain guides inserted in said rolling... | 05/07/1991 |
| 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 |
| 4862936 | Removably mounted traction-enhancing device for vehicle tires A traction-enhancing device that is releasably attached to vehicle tires. A rigid base member having a central core and plural arms radiating therefrom is placed into overlying relation to the side of a tire. Plural flexible cords and rigid rod members in... | 09/05/1989 |
| 4862937 | Antiskid attachment for automotive wheels An antiskid attachment for use with an automotive wheel having a tire includes a base plate adapted to be positioned on one side of the wheel. A plurality of spaced-apart ground-engaging band members are mounted peripherally around the base plate in canti... | 09/05/1989 |
| 4850410 | Continuous snow chain This invention relates to a continuous snow chain comprising three cords or chains disposed in zig-zag patterns and connected to each other in a network of cords or chains of a finite length including two parallel rows of substantially diamond-shaped open... | 07/25/1989 |
