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8033347 |
Final drive unit, construction machine equipped with the same, and method of winding crawler belt
A final drive unit includes a sprocket, a hub unit and a holding portion. The hub unit is arranged inside the sprocket and includes a hub portion and a cover member mounted to the hub portion. At...
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8012050 |
Snowmobile with improved drive train
A snowmobile is disclosed having improved drive train including a continuously variable transmission (CVT) having a drive belt looped around a driving pulley and a driven pulley, and a transversely...
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7967088 |
Snowmobile suspension and drive train
A snowmobile suspension and drive train for supporting a snowmobile chassis and guiding an endless loop type track, the snowmobile suspension and drive train comprises an endless loop type...
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7896113 |
Police robotic system
A robotic system adapted to deploy from a police vehicle for inspecting a suspect vehicle has a robot unit and a carrier unit. The robot unit includes a robot base having a drive system responsive...
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7836984 |
Snowmobile suspension and drive train
A snowmobile suspension and drive train for supporting a snowmobile chassis and guiding an endless loop type track, the snowmobile suspension and drive train comprises an endless loop type...
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7806209 |
Apparatus and method to reduce vibrations on a tracked work machine
An apparatus and method for reducing vibrational effects of track chain assembly catenary hang is disclosed. A work machine includes a pair of track roller assemblies one positioned on each side of...
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7617899 |
Shifting gear system and method
Embodiments of the invention facilitate shifting by reducing forces on certain shifting components and includes a snowmobile comprising a chassis, an engine supported by the chassis, a drive train...
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7578759 |
Torque limiting mechanism
Friction plates (53, 67) have a friction surface which contacts a friction surface on reaction plates (54, 68) to limit the torque transferred in a drive train, after the engine, in a snowmobile,...
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7464429 |
Automatic pool cleaner gear change mechanism
A mechanism (106) for selecting one of a first gear (102) and a second gear (104) for driving an automatic swimming pool cleaner (10) includes a bi-stable oscillating gear change assembly (100)....
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RE40289 |
Internal combustion engine for a snowmobile
A snowmobile includes an improved internal combustion engine. The engine comprises a crankcase, a crankshaft rotatably journaled within the crankcase, a cylinder block assembly extending from the...
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7063639 |
Snowmobile planetary drive system
Disclosed is a snowmobile including a reduction drive system including planetary gears. In an alternate embodiment, a reversing unit is provided. In a further alternate embodiment, an offset is...
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6435290 |
Personal tracked vehicle
A land vehicle has a flexible central frame member which extends from a large front roller to a smaller rear roller, and is encircled by a flexible looped belt having projecting treads. An engine...
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6431301 |
Snow vehicle conversion kit
A conversion kit with track and ski steering assemblies to convert a two-wheeled land vehicle such as a motorcycle or bicycle to a vehicle suitable for over-snow travel. A ski assembly mounts to...
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6032754 |
Power transmission for snowmobile
A power transmission system for a snowmobile reduces the weight thereof, and allows a streamlined body to be obtained. A drive side pulley of a V-belt transmission is mounted on a right end of a...
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5954148 |
Crawler apparatus for vehicle
A crawler apparatus, or crawler unit, which replaces a vehicle's wheel is disclosed. The crawler includes a drive wheel, a pair of front driven wheels, a pair of rear driven wheels, pairs of...
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5894901 |
Endless track magnetic traveling device
Magnets 1 are pressed against a vehicle body (side plates, a rotary shaft, a supporting beam 12 of springs 10, etc.), which travels on an endless track comprising the magnets 1, a chain 5, etc., by...
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5533585 |
Device for adjusting a driving chain in a snowmobile
A chain of a driving device for a snowmobile can be adjusted by a simple operation. A gear case is provided with lever portions. One lever portion is mounted on a gear case pivot. The other lever...
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5148882 |
Robotic vehicle having tiltable propulsion units
An intervention vehicle of the type comprising propulsion units (4) that are tiltable by rotation about transverse carrying shafts (66), comprising advance and tilting driven shafts (8, 9) disposed...
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5131484 |
Transmission for a robotic vehicle
A vehicle for interventions, in particular in buildings, characterized by the fact that it includes a scissor-like chain transmission (22, 40-24, 42) for transmitting the motion required between...
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5020614 |
Traction system
A vehicle having drive wheels subject to significant vertical movement is equipped with an endless track system that includes rollers mounted on the main frame ahead of the drive wheels, and track...
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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...
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4664212 |
Vacuum wall crawler
A vacuum wall crawler is provided with a pair of endless belts at both sides of the frame, the pair of endless belts having at their outer surfaces a plurality of recesses each of which has a...
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4279318 |
Track tensioning apparatus
A continuous track assembly (12) has a frame (16) and first and second elements (18,20) pivotally connected to the frame (16). Each element (18,20) has a rotatable wheel (22,24) about which a track...
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4175627 |
Propulsion system for a snow going device
A propulsion system for a snow going device comprising a tread having a roller chain carrying cleats with a resilient snow engaging portion, and an undersurface defining a groove which slidingly...
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4166512 |
Chassis for off-the-road vehicles
A chassis for a vehicle of the type in which all the wheels are driving wheels, the motion being transmitted from the engine to the wheels by means of a drive comprising sprocket wheels connected...
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4035035 |
Propulsion cleat for a power-driven ski
In a tread for a power-driven ski having a chain with a plurality of spaced propulsion cleats, an outwardly protruding propulsion cleat, constructed with a venting passage and with resiliency to...
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3976153 |
Vehicle with removable traction apparatus
A vehicle having a traction apparatus which can be removably attached to the vehicle when the drive wheels thereof have been removed. The apparatus comprises a pair of endless, flexible tracks...
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3834477 |
SNOWMOBILE CHAIN TENSIONING DEVICE
Disclosed herein is a snowmobile including first and second idler members respectively located exteriorly of the opposite runs of a flexible endless member trained about driving and driven members...
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3789941 |
TRANSPORTERS
The invention is concerned with a pedestrian-controlled transporter. The transporter is arranged to traverse the ground on a motor-driven endless track upon which a load-carrying structure is...
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3698497 |
VARIABLE SPEED TRANSMISSION SYSTEM AND BRAKING MEANS
A snowmobile variable speed transmission system using a sheave drive, the driven pulley of which is mounted directly on one end of the drive sprocket axle; thus the chain case, including the chain...
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3696878 |
BELT TRACTION VEHICLE
Traction vehicle in which a traction unit and a steering unit are connected together by a universal connection enabling the two units to pivot about longitudinal and transverse axes. Each unit is...
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3690396 |
FOUR-TRACK VEHICLE
A vehicle is provided with four laterally spaced track units, each of which includes a travelling endless track. Above the track units there is a chassis floor, from which laterally spaced rigid...
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3685366 |
RACING CENTRIFUGAL CLUTCH ASSEMBLY
In a centrifugal clutch including a drive shaft, a pair of pulley flanges mounted on said drive shaft and providing therebetween a groove for a V-belt, one of the pulley flanges being axially...
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3684045 |
INTEGRAL DISK BRAKE APPARATUS FOR SNOWMOBILES
A snowmobile is shown having a chain case housing unit mounted between the engine and the drive track. The housing unit carries a driven shaft engaged for common rotation with the drive track. A...
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3673884 |
CHAIN TENSIONING DEVICE FOR SNOWMOBILE TYPE TRANSMISSION
The disclosure herein describes a device for tensioning the endless chain of a snowmobile transmission consisting of a pair of hard wear-resistant members which are connected for pivotal movement...
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3664449 |
TRACK LAYING ACCESSORY FOR A TRACTOR
Tractors having extended drive axles are provided with improved traction by removing the large drive wheels normally on those axles and replacing each of them with a track laying accessory which...
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3664447 |
CONVERTIBLE SNOWMOBILE
A conversion kit for adapting a snowmobile with wheels for traversing dry surfaces including wheel assemblies for replacing the front-end-supporting skiis and in addition to the conventional drive...
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3639011 |
MULTIWHEELED LOCOMOTION DEVICE
A multiwheeled locomotion device has a pair of hubless wheels or rollers for effectively engaging a surface along which the wheels propel the device; a first rotatable wheel or roller placed...
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3628619 |
TRANSMISSION DEVICE FOR A MINIATURE SNOW ENDLESS-TRACK VEHICLE
A transmission device involves a belt-driven pulley for receiving engine power. Said pulley is disposed close to a chain casing for covering a transmission chain-drive, and rotatably mounted on a...
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3600044 |
ADAPTIVE WHEELED TRACTION DEVICE
A wheeled traction device has a pair of hubless wheels or rollers for effectively engaging a surface along which the wheels propel the device; a first rotatable wheel or roller placed intermediate...
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3599664 |
SELF-PROPELLED IRRIGATING APPARATUS
Self-propelled irrigating apparatus comprising a water distributing pipe made of relatively rigid sections and flexible joints between and connected to the sections, spaced apart supports...
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3597018 |
ENDLESS-BELT TRACTION VEHICLE
At least one of the sprocket wheels provided in an endless-belt traction vehicle involves an outer ring, and an inner ring of natural or synthetic elastomeric resin having an axial bore into which...
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3595332 |
CRAWLER-TYPE VEHICLE
A drive system including a first rotary drive shaft, a pair of driven rotary half shafts and a pair of rotary jackshafts. The shafts generally parallel each other and the jackshafts are supported...
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3576352 |
ENDLESS BELT TRACTION VEHICLE
At least one of sprocket wheels provided in an endless-belt traction vehicle involves an outer ring of wear-resistant plastics material, and an inner ring of natural or synthetic elastomeric resin...
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3536153 |
BRAKE SYSTEM
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3521718 |
TRANSMISSION DEVICE OF AN ENDLESS-TRACK VEHICLE
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3498425 |
CHAIN TRANSMISSION WITH CALIPER BRAKE
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3455405 |
MULTITRACK SNOW VEHICLE
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3447620 |
DOUBLE WALKING BEAM SUSPENSION AND DRIVE ASSEMBLY FOR TRACK LAYING VEHICLES
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3447621 |
TRIPLE WALKING BEAM SUSPENSION AND DRIVE ASSEMBLY FOR TRACK LAYING VEHICLES
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