Class 301/41.1 - Traction increasing

Subclass of Class 301 - Land vehicles: wheels and axles
Definition: Wheel including provision for increasing the tractive effort
No. of patents: 31
Last issue date: 07/18/2006

Number	Title	Issue Date
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
6357500	Nonskid device, namely for pneumatic-tired wheels of vehicles on ice and snow surfaces For adapting a nonskid device for pneumatic-tired wheels of vehicles on ice and snow surfaces which is held at one end on the wheel of the vehicle and which shows a number of arm-type gripping element supports (50) placed on a supporting element (10), par...	03/19/2002
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
5967619	Tractor wheels The present invention provides tractor wheels which are mountable to off-road tractors and provide increased traction between the tractor wheels and the ground terrain. The tractor wheels have a round rim which can be mounted to a rear axle of the tractor...	10/19/1999
5788335	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...	08/04/1998
5716106	Traction enhancing device An auxiliary traction device for use with a wheeled vehicle to be attached o the vehicle wheels for additional traction during traverse of soft terrain. The traction device includes a spider adapted for attachment to the wheel hubs of the vehicle with a fr...	02/10/1998
5692810	Heavy duty traction intensifyer including flexible frame means with flex-limiting means for agricultural wheeled tractors, harvesting combines and the like Disclosed is a heavy duty retractable traction intensifyer for adding utility and maximizing performance of agricultural tractors, harvesting combines and the like. The device has a series of aggressive and thin spades, which in fields slice into stronger...	12/02/1997
5570764	Roller wheel assembly A roller wheel assembly for use with golf bag covers or other types of luggage is disclosed. The roller wheel assembly (10) includes a housing (12) and a wheel (14). The housing (10) has an exterior surface (34) and an elongate recessed channel (36). The ...	11/05/1996
5427398	All-terrain wheelchairs and apparatus therefor A lightweight set of attachments adapted to convert a conventional wheelchair to an all-terrain vehicle without compromising the general utility of said wheelchair for everyday use....	06/27/1995
5423195	Portable cooler chest with pivoting wheels having expanded circumferential rolling surfaces A portable cooler chest is disclosed having a collapsible storage bin for nonperishable items and wheels specially adapted for rolling on sand or soft soils. The collapsible storage bin includes foldable side panels and may be integrated with or separable...	06/13/1995
5397139	All terrain creeper Disclosed is a creeper for movably supporting a reclining worker in confined space on a variety of ground surfaces. The creeper includes a body platform; at least three wheels rotatably mounted relative to the platform for rolling ground contact whereby t...	03/14/1995
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
5242214	Traction enhancing device including flexible frame means for agricultural wheeled tractors and the like There is disclosed a traction enhancing device for a wheeled agricultural tractor, in which a flexible frame comprises a circular band, to which are welded a series of spade holders. The frame is bolted to the rim of the wheel by spacers, so that the fram...	09/07/1993
4960159	Anti-skid device for tired vehicle wheels An anti-skid device for a vehicle wheel with a tire, particularly for tired vehicle wheels when used in ice and snow, arranged to be mounted on the vehicle wheel connected to an axle shaft, the anti-skid device including a setting member arranged to be po...	10/02/1990
4919489	Cog-augmented wheel for obstacle negotiation A vehicle for overcoming obstacles includes a wheel having an elastomeric flexible annulus upon which the wheel normally rides. Parallel spaced sprockets receive the annulus and include individual cogs which extend less radially outwardly than the annulus...	04/24/1990
4896740	Wheel bearing support A wheel bearing support with an eccentric drive has a drive shaft extending through the input side bearing arrangement. A gear is provided around the internal circumference of the wheel hub, which is driven by the drive shaft via intermediate gears. Vario...	01/30/1990
4854357	Wheel accessory for additional traction An apparatus for use with an automotive wheel including a tire to provide additional traction includes a first and a second ring member fabricated of hard grooved metal material, each having a sufficient diameter and held in a spaced-apart parallel relati...	08/08/1989
4852948	Traction device A traction device designed for attachment and support by a spoke of a vehicle wheel. The traction device includes a clamping arm that is forced by a threaded fastener to grip an individual spoke. Extending from the clamping arm is a traction arm having a ...	08/01/1989
4821824	Auxiliary traction system An attachment for tractors is mounted on the tractor frame, and provides an endless track system for supporting and driving the tractor through power supplied with chains engaging sprockets secured to the conventional drive wheels. The position of the tra...	04/18/1989
4786113	Farm equipment stabilizer disc A stabilizing disc for farm equipment used in muddy fields or loose soil which has a circular plate-like body with a centering ring of one diameter fastened to, and extending away from, one side of the disc and a second centering ring of different diamete...	11/22/1988
4773889	Wheel for a toy vehicle A toy vehicle wheel that changes from a generally cylindrical periphery with an initial diameter and axial width to a greater diameter periphery. The wheel has a hollow shell of rubber or some other flexible material and opposed sidewalls of the wheel are...	09/27/1988
4688823	Axle weight for motor vehicles A traction device for a motor vehicle which may include a heavy weight for placing in the trunk of an automobile or in the box of a truck. A better form of weight-type traction device includes a metal body for mounting on a motor vehicle axle and a strap,...	08/25/1987
4674757	Stair-climbing wheel utilizing an involute curve configuration A wheel for use with a variety of devices for moving a load up or down a series of stairs is disclosed, which wheel is comprised of a plurality of lobes like teeth on a gear. Each lobe has two surfaces which are symmetrical around a lobe center line, with...	06/23/1987
4601519	Wheel with extendable traction spikes and toy including same The present invention wheels have extendable traction spikes (spike pins) which are contained within the wheels and are automatically extended to enhance wheel traction. The automatic extension of the spike pins occurs, in one embodiment, upon achievement...	07/22/1986
4306604	Traction-increasing attachment for disk-type vehicle-wheels A traction-increasing attachment for driven vehicle-wheels has at least one L-shaped rigid member for extending diametrically over the face of a disk-type wheel and has a cleat-like extension extending transversely over the tire tread of the wheel. A quic...	12/22/1981
4263954	Tire chain having improved traction A cable type tire chain has traction sleeves on the cross members located only adjacent to the shoulders of the tire. The center portion of the cross members adjacent to the middle of the tire tread is free of traction sleeves. The traction sleeves are sp...	04/28/1981
4261589	Suspension system A self-righting rolling suspension system is disclosed which has two ground contact zones and has self-righting stability in perpendicular planes, one of which includes the contact zones and one of which is perpendicular thereto. The system includes rolli...	04/14/1981
4247127	Vehicular suspension system A wheelchair and rolling suspension system are supported by a pair of inclined, nested circular hoops. The hoops may be manually driven by lever arms accessable to the chair occupant. Moreover, the drive system permits the chair to negotiate straight line...	01/27/1981
4102423	Ground traction devices A ground traction device is disclosed which comprises ground engaging members including first and second parts, the parts being mounted for rotation on a fixed axis and being rotationally offset with respect to each other about the axis. The peripheral su...	07/25/1978
3934632	Traction-increasing device A device for inserting or moulding into a tire tread to increase traction and stabilize the tread comprising an elongated body having an end surface and installed in the tire so that the end surface is spaced inwardly of the tread surface in a manner defi...	01/27/1976

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Class 301/41.1 - Traction increasing