...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4787679 | Twin wheel assembly A twin wheel rim assembly is disclosed for use with an axle having a hub with an outwardly extending lip adjacent its inner end. The entire wheel assembly includes a pair of substantially identical wheels each having a rim with an outwardly flared portion... | 11/29/1988 |
| 4772074 | Dual wheel mount assembly A dual wheel mount assembly is disclosed which is particularly suited for heavy implements such as agricultural combines or earth moving equipment. Inner and outer wheels of the assembly are interchangeable and formed with circumferentially spaced mountin... | 09/20/1988 |
| 4743070 | Tire rim clamp An improved tire rim clamp for retaining the dual tires and rims of a large mining truck or the like comprising a cylindrical member having a plurality of slotted openings circumferentially distributed around the inner beveled edge of the cylinder and a c... | 05/10/1988 |
| 4718732 | Wheel adapter An adapter for facilitating a mounting of one or more wheels on a vehicle wheel hub having plural externally threaded wheel studs of a finite length secured thereon. The adapter has a cylindrical adapter body with plural parallel holes extending therethro... | 01/12/1988 |
| 4715660 | Vehicle disc wheel with multiple tires on one rim A vehicle wheel intended for mounting at least two pneumatic tires on the same rim, has at least two mounting or fitting sections with an annular space coaxial with the rim and open between the facing sides of the fitting sections. A plurality of openings... | 12/29/1987 |
| 4639044 | Demountable wheel A demountable wheel optionally mountable on a hub equipped with cyclindrical studs and on a hub equipped with tapered studs. For this purpose the wheel is provided with a first ring of bores accommodating hubs having cylindrical studs and with a second ri... | 01/27/1987 |
| 4632464 | Rimmed wheels for use in vehicles wheel with stress relief groove for hub bolt A rimmed wheel for use in vehicles comprising a plurality of straight circle bolt holes in its disc portion is disclosed. In such a disc portion, a groove for mitigating a contact pressure between the disc portion and an outer flange edge of a flanged hex... | 12/30/1986 |
| 4585276 | Single and dual wheel configuration for vehicles A wheel and hub adapter provides the use of a common wheel structure in either single or dual wheel configurations for a camper, truck or the like. The wheel is reversible for front and rear axle use and includes a large precision sized center aperture wi... | 04/29/1986 |
| 4526425 | Dual wheel mounting arrangement A dual wheel mounting arrangement for material handling implements is disclosed which permits the second, outer wheel of the arrangement to be easily and quickly releasably affixed to the first, inner wheel of the arrangement. The connecting arrangement i... | 07/02/1985 |
| 4521059 | Dual wheel adapter An adapter for mounting dual wheels on small trucks normally equipped with single wheels, including a spacer assembly connected by elongated studs which thread onto the conventional wheel studs projecting axially from the hub flange. The elongated studs s... | 06/04/1985 |
| 4501450 | Connecting device between two wheel rims The invention relates to a connecting device between two wheel rims comprising an annular intermediate piece in the embodiment of a split ring being radially expandable by means of tensioning mechanism at the position of the dividing slit, the end edges o... | 02/26/1985 |
| 4473258 | Dual wheel adapter kit An adapter kit for changing a single wheel mounting on a vehicle to a dual wheel mounting and comprising a sleeve adapted to be positioned against the outer surface of the single wheel in substantial axial alignment with the wheel axle and extending outwa... | 09/25/1984 |
| 4456308 | Wheel and brake-drum configuration for vehicles A brake-drum flange is bolted to a wheel disk by an interface surface structure which limits the engagement area and avoids contact around the fastening bolts. In the case of a twin-wheel configuration, the two wheels are placed back-to-back, whereby the ... | 06/26/1984 |
| 4448455 | Releasable auxiliary wheel coupling mechanism A mechanism for releasably coupling an auxiliary wheel with an original wheel of a vehicle is disclosed, characterized by a cylindrical coupling member upon which the auxiliary tire is mounted. The cylindrical member contains a plurality of cutouts in one... | 05/15/1984 |
| 4427237 | Dual wheel rim spacer band assembly A dual wheel rim spacer band assembly for insertion between the inner and outer rims of a pair of rim mounted tires has a central annular member, and a pair of outer annular members adjustably interconnected therewith to permit the axial displacement of t... | 01/24/1984 |
| 4396232 | Dual wheel adapter kit An adapter kit for changing a single wheel mounting on a vehicle to a dual wheel mounting and comprising a sleeve adapted to be positioned against the outer surface of the single wheel in substantial axial alignment with the wheel axle and extending outwa... | 08/02/1983 |
| 4351568 | Wheel attaching device An attaching mechanism for attaching an auxiliary wheel assembly to an axle-mounted wheel assembly includes a unitary annular disc with a plurality of apertures therein. The disc is fixed to the mounted wheel assembly for rotation therewith and includes a... | 09/28/1982 |
| 4333688 | Mounting arrangement for dual wheels In a dual wheel arrangement for vehicles, a hub adapter serves to mount a second wheel beside the first wheel. Combination nut and bolt elements are threaded onto the lug bolts for the first wheel. The hub adapter is received on projecting bolt portions o... | 06/08/1982 |
| 4295779 | Straight arm loader A unique and improved loader design is disclosed incorporating straight lift arms and channeled front wheels. The front wheels define a channel or groove through which the lift arms are allowed to intercept unobstructed. The lift arms pivotally join a buc... | 10/20/1981 |
| 4283091 | Shock proof fastener assembly for vehicle wheels and other applications A shock and vibration-proof fastener of general application and particularly suitable to hold dual wheels demountably assembled to a cargo vehicle hub. The fastener is designed to isolate the threads thereof from radial and torsion stresses utilizing a sp... | 08/11/1981 |
| 4261621 | Dual wheel adapter kit An adapter kit for changing a single wheel mounting on a vehicle to a dual wheel mounting and comprising a sleeve adapted to be positioned against the outer surface of the single wheel in substantial axial alignment with the wheel axle and extending outwa... | 04/14/1981 |
| 4249783 | Wheel hub structure with bearing lubrication An arrangement for providing lubrication to the outer bearing of a wheel hub having inner and outer bearing assemblies from an internal annular lubricant reservoir in the wheel hub housing. A lubricant carrying tube positioned within the wheel hub housing... | 02/10/1981 |
| 4240670 | Vehicle wheel covers A wheel accessory, e.g., a full wheel cover or a hub cap has a mounting flange provided with openings which match the bolt pattern of the vehicle wheel. A majority of these openings are oversized with respect to the wheel's chamfered or ramped lug nuts so... | 12/23/1980 |
| 4220372 | Dual wheel and axle assembly A dual wheel and axle assembly having a wedge lock hub and axle assembly with an auxiliary clamp to augment the grip of the hub on the drive axle. A drive is provided to force bushing segments between the wheel hub and the drive axle to firmly lock the wh... | 09/02/1980 |
| 4214792 | Wheel adapter A wheel adapter is provided which enables dual or tandem wheels to be attached to the hub of a vehicle axle which has been designed for a single wheel. The wheel adapter includes an elongated housing having an annular mounting flange at one end and a plur... | 07/29/1980 |
| 4164358 | Dual wheel conversion assembly for vehicles A pair of specially configured tire mounting rims are adapted for attachment to the axle hub of an existing vehicle for converting from single to dual wheel mount configurations. The wheel mounts include one dish arrangement which incorporates a substanti... | 08/14/1979 |
| 4155415 | Tractor with narrow body portion providing increased traction from side-by-side driven rear wheels A tractor of width acceptable for highway travel having a narrow rear body portion between the rear wheels, the width of the body portion being less than the width of each pneumatic tire mounted on the rear wheels. Four or six rear tires which are rotatab... | 05/22/1979 |
| 4135765 | Wheel adapter An adapter is provided for attachment to the hub of a vehicle axle whereby after attachment of the adapter to the hub, a pair of coaxial wheels can be secured to the adapter. The adapter is of simple construction and comprises a tubular cylindrical housin... | 01/23/1979 |
| 4131323 | Dual wheel assembly for tractors A dual wheel attachment assembly for tractors has a number of brackets or lugs welded to the inner surface of the dual wheel. The primary tractor wheel is provided with eye-nuts for receiving bolt fasteners used to connect the brackets of the dual wheel. ... | 12/26/1978 |
| 4127305 | Coupling device for tractor twin wheels A twin wheel coupling device includes a plurality of spaced knee lever mechanisms carried on supports attached to an additional wheel to be locked together with the permanent wheel of a tractor. Spaced lugs attached to the permanent wheel rim are provided... | 11/28/1978 |
| 4124051 | Shock absorbing wheel hub Disclosed is a shock absorbing wheel hub for attachment to the axle of a vehicle. The hub has a central flange portion and an annular rim. The rim has a pair of spaced mounting surfaces formed on the periphery thereof for attaching a pair of pneumatic tir... | 11/07/1978 |
| 4070066 | Dual wheels Dual wheels for campers, autos, and the like light vehicles to be used in place of a single standard wheel are provided. The arrangement includes an inner wheel which has a portion to be attached to the standard studs on the vehicle wheel hub, and another... | 01/24/1978 |
| 4005907 | Dual wheel mounting assemblies A wheel mounting assembly for mounting an auxiliary wheel to a vehicle wheel includes an annular ring which is positioned in a stepped groove adjacent an edge of the rim of the auxiliary wheel and a lug member which is formed integrally with the ring and ... | 02/01/1977 |
| 3990747 | Dual wheel assembly A cylindrical elongated spacer is welded at one of its ends to an internal flange of the outer rim, the spacer including an inwardly extending split ring member, having a stop adjacent each side of the split and a wedging surface affixed therewithin adjac... | 11/09/1976 |
| 3953075 | Auxiliary wheel mounting A mounting for auxiliary wheel of a vehicle in which the auxiliary rim has an annular mounting ring secured thereto, the ring having an inturned flange at one edge which is bolted to the regular wheel. In the preferred embodiment an extension ring on the ... | 04/27/1976 |