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| Number | Title | Issue Date |
| 6615888 | Variable-diameter wheel-and-tire apparatus for motor vehicles A wheel-and-tire apparatus has a pneumatic tire with two or more circumferential tread sections, the relative diameters of which may be adjusted to select the tread sections in contact with the road. The tire may have one or more air chambers. The apparat... | 09/09/2003 |
| 5035273 | Vehicle wheel rim device for mounting a first tire casing inwardly of a second tire casing, providing a safety emergency wheel device A vehicle wheel rim device of a type in which a first wheel rim carries a first tire casing, and having a second tire casing inwardly of the first tire casing, characterized by the provision of a second rim inwardly of the first rim, the generally circula... | 07/30/1991 |
| 4909663 | Road making apparatus An arrangement of a roller in combination with a draft vehicle comprising a draft frame, axle means supported by the draft frame, and roller supported by the axle means to allow rotational freedom about a central axis of a cylindrical shape of the roller,... | 03/20/1990 |
| 4885834 | Method and device for removing wheel nuts and cap nuts from the outer wheel of a dual-wheel double-nut system Each dual wheel assembly on a tractor or trailer system includes outer and inner wheels mounted on a plurality of studs projecting from a hub. The inner wheel is held in place on the studs by a number of flanged cap nuts and the outer wheel is held in pla... | 12/12/1989 |
| 4782876 | Vehicle wheel A vehicle wheel has at least two pneumatic tires mounted side by side on a single rim. When the weight of the vehicle is applied to the wheels, the pneumatic tires are slightly deformed in the lower portion of their circumference, their facing side walls ... | 11/08/1988 |
| 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 |
| 4142569 | Separable safety rims Two-piece rim for mounting tires, single or dual, on a wheel. The removable bead ring has an axial projection intended for engagement by restraining means mounted on the wheel in the event a tire on said rim is unintentionally deflated. Various forms of r... | 03/06/1979 |
| 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 |
