Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7334617 | Solid rubber tire with flexible hub and replaceable tire tread A solid rubber tire with a flexible drive hub having a multiplicity of hub ribs and grooves formed around the periphery of the flexible drive hub and a solid rubber tire tread replaceably mounted on the flexible drive hub having a multiplicity of interior tread groo... | 02/26/2008 |
| 7300047 | Multi-layer sheet feeder A sheet feed mechanism having a multi-layer structure. The multi-layer structure has a wear layer adapted to contact a sheet during sheet feeding and a replacement indicator layer adjacent the wear layer. The replacement indicator layer is adapted to indicate a wear... | 11/27/2007 |
| 7201194 | Non-pneumatic tire A structurally supported tire includes a ground contacting tread portion, a reinforced annular band disposed radially inward of the tread portion, and a plurality of web spokes extending transversely across and radially inward from the reinforced annular band and an... | 04/10/2007 |
| 7178569 | Runflat tire system and support ring therefor A support ring for a runflat tire system which comprises an annular body made of an elastic material having a radially inner circumferential surface which fits to a mounting portion of a wheel rim when mounted thereon, and a radially outer circumferential surface wh... | 02/20/2007 |
| 7143797 | Airless tire This invention pertains to a tire which supports load by means of compressing the tire's elastomeric structure and requires no internal inflation pressure. The preferred embodiments utilize circumferential ribs or radially oriented ribs of elastomer to support the l... | 12/05/2006 |
| 7013939 | Compliant wheel A compliant wheel includes a compliant band and a plurality of web spokes extending transversely across and inward from the reinforced compliant band for attachment to a hub. The compliant band bends to comply with a contact surface and to envelope obstacles. The we... | 03/21/2006 |
| 6681822 | Non-pneumatic spare tire The present invention is a non-pneumatic tire comprising a rim and one or more elastomeric materials bonded to the rim or to one another. The tire has an equatorial plane, an annular tread, and an annular elastomeric body having first and second spaced la... | 01/27/2004 |
| 5538057 | Elastic wheels and a pair of skis provided with the elastic wheels A pair of roller skis 300 each constituted by attaching elastic wheels 302 to a boot-placing plate 301 in the front thereof and at the back thereof. The elastic wheels 302 each comprises a wheel supporting means having a circular rim part on the outer per... | 07/23/1996 |
| 5343916 | Non-pneumatic spare tire An improved nonpneumatic tire for a motor vehicle is described. The tire has a rim and one or more elastomeric materials bonded to the rim or to one another. The tire has an equatorial plane, an annular tread rotatable about an axis, and an annular elasto... | 09/06/1994 |
| 5265659 | Non-pneumatic tire with ride-enhancing insert The relatively harsh "ride" of a non-pneumatic tire ("NPT") is greatly improved by a ring of elastomeric material referred to as a "ride-enhancing insert" ("RI"). The RI is pre-positioned on the outer surface of a wheel rim on which the NPT is to be molde... | 11/30/1993 |
| 5139066 | Tire construction A non-pneumatic tire (10) comprising an annular body (15) of resilient construction having a radially outer peripheral portion (19) and a radially inner peripheral portion (17). A circumferential web extends between, and is connected to, the radially inne... | 08/18/1992 |
| 5042544 | Deformable nonpneumatic tire with recesses extending crosswise over the entire axial width of the tire A deformable nonpneumatic tire includes a radially inner, substantially annular, base which may be connected to a rigid element such as a wheel, a radially outer, substantially annular, cap to which a tread having a pattern may be mounted, and a substanti... | 08/27/1991 |
| 4945962 | Honeycomb non-pneumatic tire with a single web on one side A side web non-pneumatic tire ("SWNPT") is integrally molded from a stiff, resilient elastomeric material with particular specifications, to form a unitary honeycomb structure bounded by integrally molded outer and inner cylindrical coaxial and coextensiv... | 08/07/1990 |
| 4921029 | Trapezoidal non-pneumatic tire with supporting and cushioning members A trapezoidal non-pneumatic tire ("TNPT") is integrally molded from a stiff, resilient elastomeric material with particular specifications, to form a unitary structure comprising outer and inner cylindrical coaxial members ("hoops"), the outer being wider... | 05/01/1990 |
| 4832098 | Non-pneumatic tire with supporting and cushioning members A non-pneumatic tire ("NPT") is integrally molded from a stiff, resilient elastomeric material with particular specifications, to form a unitary structure comprising outer and inner cylindrical coaxial and coextensive members ("hoops"). The outer hoop is ... | 05/23/1989 |
| 4535827 | Molded shock-absorbing wheel assembly A shock-absorbing wheel assembly having an annular cast iron core member disposed concentrically about an annular bearing seat in spaced relation thereto, with the core member having passageways extending radially therethrough. A continuous integral mass ... | 08/20/1985 |
| 4287927 | Multiple ring tire A tire having axially spaced rings of elastomeric material with different spring rates and tread configurations to provide variable operating characteristics at axially spaced positions across the tire. Each of the rings has an inner bead portion and an o... | 09/08/1981 |
| 4235270 | Tire with supporting and cushioning walls A tire having an annular body of resilient elastomeric material with an outer member at the outer periphery which may carry a tread and an inner member at the inner periphery for mounting on a wheel rim. The inner member is supported and cushioned by a pl... | 11/25/1980 |
| 4211268 | Wheel A wheel has a plurality of variable length spokes extending radially from the hub to the rim and supporting the rim coaxially around the hub. Spoke length varying devices vary the lengths of the spokes.... | 07/08/1980 |
| 4108228 | Vehicle wheel with rubber tire A vehicle wheel equipped with an annular solid rubber tire having its marginal portions provided with beads resting in and held by lateral wheel flanges. The rubber tire extends around an annular channel into which the tire can partially deflect. The whee... | 08/22/1978 |
| 4096919 | Propulsion unit for skiers A cleated roller enclosing an internal combustion engine is provided with two handles containing means for engaging the posterior of a skier. The engine is mounted within the roller on a frame which in turn is mounted to both of the roller hubs which are ... | 06/27/1978 |
| 4058344 | Ground engaging member for movable structures The invention relates to a ground engaging member in the form of a ball for supporting load carrying structures, such as wheelbarrows. The ball is preferably moulded from a plastics material, such as a mixture of EVA and low density polyethylene, and is f... | 11/15/1977 |
| 3976498 | Sugarcane separation A material-feeding roll comprises a cylindrical body being at least partly composed of an elastomeric material having longitudinal apertures disposed therethrough and a plurality of tines extending therefrom. A rotary mounting assembly for a rotatable body com... | 08/24/1976 |
