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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7552785 | Suspension system for track vehicle A suspension system for a track vehicle, the suspension system comprising: a frame; a track surrounding the frame; a plurality of suspension modules resiliently interconnected between the frame and track to bias the track into engagement with a ground surface upon w... | 06/30/2009 |
| 7234534 | Firefighting vehicle A firefighting vehicle includes a frame, a fluid pump, and a body having a compartment. In one embodiment, a drive line of the pump passes through a transverse cross member of the frame. In another embodiment, the body includes opposite side sections sandwiching the... | 06/26/2007 |
| 7108085 | Equalizer bar for a track-type vehicle An equalizer bar itself serving as a suspension device of a track-type vehicle has spring effects imparted through torsional deformation relative to vertical oscillatory movements of track frames. Arm portions are fixed in directions opposite to each other in two en... | 09/19/2006 |
| 7040426 | Suspension for a tracked vehicle The present invention relates generally to recreational vehicles. More particularly, the present invention relates to methods and apparatus for traversing challenging terrain with a recreational vehicle. A vehicle in accordance with an exemplary embodiment of the pr... | 05/09/2006 |
| 6926108 | Snowmobile rear suspension system A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent ... | 08/09/2005 |
| 6435291 | Suspension and drive mechanism for multi-surface vehicle A tracked vehicle produces a pressure no more than 3 psi on the ground by increasing the number of contact points on the inner surface of the track. The stiffness of the track is also selected to minimize bowing between the idler wheels or rollers. The tr... | 08/20/2002 |
| 6354391 | Progressive rate suspension spring tensioning device A cambered surfaced tensioning block is provided that is used in conjunction with the rear suspension of a typical snowmobile when sufficient lateral force is applied. The tensioning block fits within an open ended block housing which is attached to the s... | 03/12/2002 |
| 6155363 | Crawler belt vehicle A crawler belt vehicle comprises a chassis, a pair of first wheels mounted on the chassis, a pair of second wheels mounted on the chassis, a pair of crawler belts each trained around the first pair of wheels and the second pair of wheels, and a pair of eq... | 12/05/2000 |
| 6006847 | Endless track structure for light wheeled vehicle An endless track structure to replace the wheels of an all-terrain vehicle, that is adequately attached to the existing wheel hub by a removable mounting shaft. This provides a non-rigid frame that supports spaced apart synchronized driving cog wheels. Th... | 12/28/1999 |
| 5909780 | Vehicle for underground mine shafts A vehicle for underground mine shafts includes a body having a cabin located in a front section of a vehicle with an entry to the cabin located at the front of the vehicle, a door at the entry, a sensor for sensing when the door is open and control circui... | 06/08/1999 |
| 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 |
| 4727948 | Rear crawler track retrofit for garden and lawn tractors A rearwardly projecting mounting arm is provided for the rear of a lawn or garden tractor and has its forward end secured anchored relatively to the rear drive wheel axle of the tractor. The rear end portion of the mounting arm mounts longitudinal mid-por... | 03/01/1988 |
| 4699229 | Endless articulated steel band vehicle for off-road services An off-road vehicle is equipped with an endless articulated steel band drive system including a drive wheel, a plurality of idle wheels and an endless belt extending around the drive wheel and the idle wheel. A back slider plate extends along the inner su... | 10/13/1987 |
| 4301884 | Track suspension and drive for snowmobile A snowmobile track suspension subframe of the slide rail type carries a track drive axle at its forward end. Such axle mounts both the track drive sprockets and the driven sprocket of a track drive chain assembly so that the entire track suspension subfra... | 11/24/1981 |
| 4273214 | Track mounted aerial lift platform apparatus An aerial lift platform apparatus having tracks. A rotatable upper works is mounted on a chassis, and includes a turntable, a telescopic boom having a workman's platform at its outer end, and an engine driving a hydraulic pump. The chassis has forward and... | 06/16/1981 |
| 4262764 | Convertible chassis for track laying vehicles For a track laying vehicle, a convertible chassis comprising endless track driving sprocket wheels and track guide bogie wheel assemblies, both mountable upon the vehicle to accommodate wide or narrow endless tracks selectably, the sprocket wheels being r... | 04/21/1981 |
