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 |
| 5797816 | Variable ratio drive pulley with damping structure A variable ratio drive pulley of the type employed in snowmobiles to transmit a drive from the snowmobile engine to a variable ratio belt drive transmission has a fixed flange and an opposed movable flange which cooperate to drive the belt. The drive pull... | 08/25/1998 |
| 5685387 | Snowmobile reduction drive This invention relates to an improved snowmobile drive train configuration arrangement that incorporates a fixed ratio speed reduction mechanism directly coupled to the engine crankshaft. This mechanism is in turn coupled to the driving pulley of a variab... | 11/11/1997 |
| 5607026 | Snowmobile transmission jackshaft In a snowmobile drive train the variable ratio belt drive is not directly coupled to the engine crankshaft as in the prior art, but rather the driving pulley of the variable ratio belt drive is carried on one end of a jackshaft and the engine power is app... | 03/04/1997 |
| 5314115 | Rail cross-tie for LIM transit system A rail tie has a pair of rail supporting portions disposed on opposite sides of a central portion. The central portion is elevated relative to the central portion and supports a reaction rail of a linear induction motor used to propel a vehicle along the ... | 05/24/1994 |
| 5282425 | Low lateral stiffness cylindrical bush A steerable truck has a pair of wheelsets supporting a pair of laterally spaced side frames. Each wheelset is connected to the sideframe at one end by a pivotal connection and at the opposite end through a steering link to provide relative displacement be... | 02/01/1994 |
| 5265692 | Snowmobile suspension In a snowmobile track suspension, the slide frame is supported upon downwardly and rearwardly angled front and rear suspension arm assemblies. The suspension arm assemblies are of similar construction, length, and orientation, having upper ends connected ... | 11/30/1993 |
| 5209703 | Drive pulley A variable ratio drive pulley designed for use in a belt drive transmission of a snowmobile includes fixed and movable flanges, the movable flange being controlled by centrifugally responsive thrust means employing pivoted weighted levers cooperating with... | 05/11/1993 |
| 5165709 | Snowmobile ski including runner, sole and stiffener A snowmobile ski is made of two main parts, namely a steel stiffener and a sole made of ultra high molecular weight polyethylene (UHMW-PE) to which a friction reducing additive has been added. The front handle is molded integrally with the ski sole and th... | 11/24/1992 |
| 5081868 | Speedometer conversion A speedometer drive arrangement particularly suitable for use in snowmobiles is readily convertible to give a readout that is in Mph or Kph, while providing only a single scale on the face of the instrument. The change is effected by the interposition of ... | 01/21/1992 |
| 5067263 | Variable geometry tiller In the realm of snow grooming devices for ski hills, a unique snow tiller is disclosed. The snow tiller is pulled by a tracked vehicle and has a snow chamber which can be varied in size and dimension. The tiller is also equipped with a cutting drum which ... | 11/26/1991 |
| 5036802 | Reverse rotation engine A reversing internal combustion engine has an ignition system controlled by a microprocessor which samples the magneto voltage output in order to make decisions concerning spark/timing. By suppressing the spark to allow the engine to slow down, and reappl... | 08/06/1991 |
| 5021198 | Carburetor with high altitude compensator In order to ensure correction for altitude for the carburetor used on a internal combustion engine, a control system for the pressure within the fuel bowl (8) is incorporated. This control system consists of a pressure splitter (11) that is connected, on ... | 06/04/1991 |
| 4991911 | Track cleat A guide clip for a snowmobile track belt is fabricated from sheet steel and has a body with downwardly extending limbs that define a profile of inverted U-shape, with an integral guide lug projecting upwardly from one end of the body. The guide lug extend... | 02/12/1991 |
| 4987965 | Snowmobile suspension In a snowmobile track suspension the slide frame that contacts the ground-engaging run of the track belt is carried on front and rear suspension arm assemblies. The front suspension arm assembly is pivoted to the vehicle on the axis of the sprocket drive ... | 01/29/1991 |
| 4899610 | Throttle lever A throttle control lever for a vehicle, and in particular for a recreational vehicle such as a snowmobile, has a two-stage lever action. In the first stage, which includes throttle openings corresponding to normal cruising speeds of the vehicle, the throt... | 02/13/1990 |