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7641006 |
Military vehicle with electric drive running gear system
A military vehicle, e.g., tank, that includes a turret, a gun mounted on the turret, a plurality of belts, wherein each of the plurality of belts encompass a front wheel and a rear wheel to provide...
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7584812 |
Articulated dozer with suspension and suspension lockout
An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there...
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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...
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7533741 |
Swivel mounted track frame
Track frame assemblies wherein one assembly provides a multi-section sub-frame that supports a series of idler wheel suspensions. Each section is mounted to pivot laterally from stub axles...
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7520348 |
Tracked implement with pivotal front and trailing idlers and powered rear drive member
This invention relates to a mower and a tracked implement that convert from one to the other by coupling a mower unit or a tracked unit to a common drive unit. The drive unit is thus used in both...
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7516805 |
Equalizer bar mounting arrangement
An equalizer bar for a tracked vehicle is connected to the track roller frames via an arrangement comprising a pin which is swivel ably mounted to the equalizer bar and held rigidly by the track...
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7503411 |
Articulated dozer with frame structure for decreased height variation in the vehicle chassis
An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there...
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7503412 |
Concrete machine
Concrete machine which is mainly composed of a chassis and of caterpillar drives, upon which the chassis is provided via arms, which arms can be adjusted in height, characterized in that the...
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7493976 |
Variable configuration articulated tracked vehicle
A variable configuration articulated tracked vehicle comprises a chassis, a pair of right and left drive pulleys, a right and left planetary wheel, a right and left track, a right and left arm...
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7461711 |
Superconducting crawler system for a production line
An equipment-carrying crawler ( 20 ) includes a rolling track ( 44 ) and a structural support ( 70 ). The structural support ( 70 ) supports equipment ( 16 ). Lifting magnets ( 72 ) are coupled to...
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7455141 |
Track drive system
A track drive system comprises a chassis frame and a drive wheel rotatably coupled to the chassis frame. An upper idler is rotatably coupled to the chassis frame rearwardly of the drive wheel. A...
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7455131 |
Suspension system for tracked vehicles
A suspension system for a tracked vehicle that includes at least four suspension cylinders for suspending at least two track module frames to a chassis of the tracked vehicle to allow torsional...
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7395890 |
Snowmobile track suspension
A rear track suspension for a snowmobile having a single resilient element for biasing both the front and rear arms. The slide rail is permitted to pitch between first and second pitching...
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7231993 |
Drive track support with vibration isolation
A track driven machine has a pair of track frames on opposite sides thereof, and each of the track frames has a pair of laterally extending arms fixed thereto. The arms are joined to a machine...
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7131508 |
Terrain conforming track assembly
An endless track assembly that mounts to a wheeled vehicle. The assembly provides 1) a track suspension having fixed or adjustable, independently biased sets of idler wheels to vary the track...
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7070012 |
Snowmobile suspension
An improved rear suspension assembly is provided for snowmobiles, which includes a link assembly operatively connecting the rear suspension arm to a front cushion absorber so that the pivot...
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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...
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7017688 |
Independent suspension for multi-use vehicle
A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a...
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6962222 |
Mobile agricultural machinery
A mobile agricultural machine, particularly for use as a combine, which demonstrates improved operational movement and travel performance characteristics, and is capable of easily changing...
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6904986 |
Terrain conforming track assembly
An endless track assembly that mounts to a wheeled vehicle. The assembly provides 1) a track suspension having fixed or adjustable, independently biased sets of idler wheels to vary the track...
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6892838 |
Stabilizer bar for independently suspended beam structure
A half-track multi-use vehicle having an independent suspension system that reduces body roll during operation in rough or sloping terrain. The vehicle includes a frame, a pair of beams that each...
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6880901 |
Traveling apparatus of crawler vehicle
A traveling apparatus of a crawler vehicle can achieve both reduction of an impact applied to an operator cab and maintenance of high traction force even at a time of backward traveling on a ground...
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6860571 |
Suspension system, positive hydraulic braking system, positive drive belt system and belt tensioning device for wheel and belt driven devices
A track driven device having a suspension system, positive hydraulic braking system, positive drive belt system and belt tensioning system for an improved ride, reducing belt wear and belt failure.
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6843619 |
Apparatus able typically to transform a frame mounted on crawler tracks into a pipe playing machine
An apparatus transforms a motorized frame mounted on crawler tracks and having a rotatable horizontal platform, into a pipeline laying machine or the like. A first structure is hinged to the...
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6823953 |
Crawler vehicle with oscillating track carriages
A crawler vehicle has a frame extending along a longitudinal axis of the vehicle, and two lateral track carriages oscillating with respect to the frame about a rear transverse axis. Each carriage...
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6810975 |
Suspension system for a tracked vehicle
A suspension system for a tracked vehicle, preferably having rubber tracks. The track assembly is mounted on a pivot shaft such that it can oscillate about the axis of the pivot shaft. The...
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6796391 |
Hydraulic clamping device for a variable gauge track vehicle
A crawler running gear, particularly for a construction machine, having a central section and two crawler supports with in each case one crawler track. The crawler supports are arranged along a...
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6739679 |
Rolling wheel support structure for crawler traveling apparatus
A rolling wheel support structure for crawler traveling apparatus includes rotary shafts rotatably supporting rolling wheels which roll on a ground contacting side of an inner circumferential...
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6715575 |
Track tensioning system for a tracked vehicle
A suspension system for suspending an endless track beneath a tracked vehicle chassis. The suspension system can be a fully coupled suspension, a partially coupled suspension or a non-coupled...
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6692185 |
Adjusting arrangement for steerable transport assembly for self-propelled construction vehicle
An improved arrangement for adjusting crawler-type transport assemblies in a self-propelled construction vehicle between two differing “home” positions. The crawler transport assembly comprises...
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6601664 |
Crawler device for a crawler type vehicle
The present invention is a crawler device for a crawler type vehicle, which lowers the vehicle height, decreases the vehicle width, and exhibits superior stability during operation. For this...
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6450280 |
Snowmobile suspension system
An improved torsion type rear suspension system for a snowmobile. The suspension includes a pair of rails movable with respect to the snowmobile body and a pair of torsion springs disposed between...
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6378635 |
Track frame connecting structure of a heavy work vehicle
The present invention provides a track frame connecting structure of a heavy work vehicle that can minimize the amount of up and down movement of the ends of an equalizer bar, so as to make track...
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6367827 |
Caterpillar board designed in particular for use on grass slopes
The proposed crawler-mounted board ( 1 ) is specifically for the purpose of riding over grass or lawn slopes. It features a crawler unit which consists of two slightly concave-curved undercarriage...
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6298933 |
Equalizer bar stop assembly for limiting movement of the equalizer bar relative to the main frame of a track-type work machine
A main frame to roller frame stop assembly for limiting movement of an equalizer bar relative to the main frame of a track-type tractor or other work machine wherein the stop assembly includes a...
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6283562 |
Triangular crawler apparatus
A triangular crawler device, which is free from being stumbled and whose crawler belt does not come off from a body of a vehicle while the vehicle travels, includes a track frame (10), having a...
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6263991 |
Snowmobile
A extended movement rear suspension for a snowmobile. The suspension includes at least two elongated members of a substantially constant length coupled to the snowmobile frame and to an endless...
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6206492 |
Mid-roller for endless track laying work machine
Endless track laying work machines are provided with a pair of track laying assemblies positioned on opposite sides of the work machine. Each track laying assembly includes an endless rubber belt...
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6199646 |
Working vehicle with semicrawlers
A tractor includes a body frame (4), front wheels (3), propelling shafts (8) disposed in a rear portion of the body frame, and semicrawler units (10) for receiving drive from the propelling drive...
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6164399 |
Track-type carriage system for heavy vehicles
The present invention provides a track-type carriage system for heavy vehicles, and, in the preferred embodiment, a track-type carriage system for an articulated steering seismic vibrator vehicle....
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6135175 |
Tree harvester provided with a rotatable worktable
A tree harvester provided with a rotatable worktable assembly is disclosed herein. The tree harvester includes a movable frame, a worktable assembly rotatably mounted to the movable frame and an...
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6135221 |
Drive assembly for track-laying vehicle
A drive assembly for a track-laying vehicle adapted to travel in a horizontal direction along the ground has a horizontally elongated frame having two opposite ends and upper and lower edges...
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6089339 |
Drive reconfiguration mechanism for tracked robotic vehicle
Drive reconfiguration apparatus for changing the configuration of a drive unit with respect to a vehicle body may comprise a guide system associated with the vehicle body and the drive unit which...
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5944134 |
Adjustable snowmobile track suspension
A suspension system mountable to the chassis of a snowmobile and about which an endless track is carried. The suspension includes a slide frame for engagement with a lower portion of the endless...
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5791429 |
Snowmobile tunnel with bi-surfaced top
A tunnel body for a snowmobile, with a cooperating seat cushion, which provides greater space within the tunnel body to accommodate extended travel of the rear suspension, including the rear idler...
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5752574 |
Track-type machine undercarriage
An undercarriage structure for a track-type machine has first and second spaced apart track roller frame assemblies which are positioned adjacent and parallel to the longitudinally extending...
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5697463 |
Suspension for track-laying vehicle
A track-laying vehicle has a frame with a pair of opposite sides, a track suspension on each side of the frame, and respective vibration-damping support bodies fixed on the suspensions and on the...
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5673766 |
Transmission and steering apparatus for a tracked vehicle
A tracked vehicle including a frame. A front track is rotatably attached to front track mounting member(s) connected to the frame with suspension member(s) so as to be movable in a vertical...
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5622234 |
Track suspension system and track gauge adjustment assembly
A suspension system for a tracked vehicle comprising a first axial member pivotally coupled to the main drive wheel axle housing and extending forward towards the idler wheel, and a second axial...
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5566773 |
Tracked undercarriage for harvesters
The tracked undercarriage for harvesters has a wheel-track drive unit (3) disposed on both sides of the machine, and each drive unit (3) has two rockers (5, 6), height-adjustably seated on a...
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