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| Number | Title | Issue Date |
| 7351027 | Vehicle loader mechanism A vehicle loader mechanism mountable on a vehicle having a cargo deck for lifting loads onto the cargo deck is disclosed. The vehicle loader mechanism includes a base mountable on the cargo deck of the vehicle and a lift mechanism movable between a lowered position ... | 04/01/2008 |
| 7232285 | Vehicle loader mechanism A vehicle loader mechanism mountable on a vehicle having a cargo deck for lifting loads onto the cargo deck is disclosed. The vehicle loader mechanism includes a base mountable on the cargo deck of the vehicle and a lift mechanism movable between a lowered position ... | 06/19/2007 |
| 7198121 | Skid steer vehicle with belt drive suspension A skid steer vehicle has two drive motors that are connected by belts to spring-mounted front and rear wheels. ... | 04/03/2007 |
| 7195104 | Lifting and transporting device A lifting device (10) includes a base frame (12), the base frame having associated drive means: a lifting arm (44) connected at a first end thereof to a frame (42), the lifting arm being pivotally movable with respect to the frame and bei... | 03/27/2007 |
| 7043858 | Backhoe pivot joint A backhoe coupling for joining members of a backhoe attachment is provided, the coupling having a pivot pin assembly that includes a pivot pin and a retaining plate. The pin has a groove for receiving the retaining plate. The retaining plate has an edge that is size... | 05/16/2006 |
| 7032918 | Stabilization of an articulated vehicle A method for stabilizing an articulated vehicle, which articulated vehicle comprises at least a front frame structure and a rear frame structure, and a frame joint structure, which is arranged to couple the frame structures to each other and to allow them to rotate ... | 04/25/2006 |
| 5890864 | Heavy-duty hay scissors lift A load lifting scissors lift assembly, as an attachment for the three-point-hitch of a farm tractor, which utilizes a scissors-action, hinged, expandable linkage. The Heavy-duty Hay Scissors Lift assembly contains one pair of crossed lever arms, each conn... | 04/06/1999 |
| 5709523 | Material handling lift A material handling lift having a movable frame, a mast mounted at one end to a shuttle assembly movable on the frame, and a load handling assembly attached to the mast by means of two extending arm members. The frame comprises two longitudinal C-shaped s... | 01/20/1998 |
| 5377376 | Mobile surface cleaning machine A surface cleaning machine (10) is disclosed in the preferred form as a combination sweeping-scrubbing apparatus including a sweeping brush (18) for sweeping debris into a hopper (20) and a one piece squeegee (112) for picking up solution after four stagg... | 01/03/1995 |
| 5226777 | Load lifting system for vehicles Apparatus and system for loading and unloading a load onto and from a load carrying device mounted on a vehicle which is capable of producing a significant lift of the load and changing the angular position of the load at different load elevations. A bell... | 07/13/1993 |
| 5195863 | Excavator loader This loader-excavator has a boom divided into an inner boom (9) and a main boom (18), the latter being articulated at the free end (17) of the inner boom. The inner boom is pivotally mounted near the front end of the turntable (3) of the machine, and can ... | 03/23/1993 |
| 5193295 | Installation for shifting won minerals A system for shifting won minerals with a continuous conveyor such as a belt or chain conveyor has a machine frame and a shovel pivotably coupled to booms. The booms are aligned in a vertically pivotable manner with a rocker arm that is pivotably coupled ... | 03/16/1993 |
| 5150999 | Bale lifter and mover Apparatus for lifting round bales of hay including a pair of arms which project forwardly from the front end of a tractor. These arms support a pivotal structure which includes a spear for impaling a round bale of hay and thereafter tilting the bale up of... | 09/29/1992 |
| 5088213 | Front hoe attachment for loader A front hoe attachment for a loader includes a connecting frame which is capable of being attached to the manipulating mechanism at the front end of a loader such as a tractor. The connecting frame has a bucket secured to its outer end so that the bucket ... | 02/18/1992 |
| 5015148 | Loader mounting frame A mounting frame for use with a tractor loader is disclosed wherein the main support arms extend generally linearly from the rear pivot mounting thereof with the tractor to the front pivot mounting with the loader bucket. The thickest portion of the main ... | 05/14/1991 |
| 4945663 | Apparatus and method for forming and compacting planting mounds Planting mounds for afforestation purposes and the like are formed by an apparatus wherein a device having at least one mound-forming and compacting body is provided on a movable support arm or boom of a carrier vehicle adapted to be driven along the grou... | 08/07/1990 |
| 4884940 | Loader bucket transport link A connecting link for use on a bucket loader mountable on a tractor to control the pivotal movement of the bucket relative to the mounting frame to which the bucket is attached is disclosed wherein first and second members are telescopically associated to... | 12/05/1989 |
| 4725189 | Rear-mounted loader bucket for a tractor including roll-back means A loader bucket comprising a bucket support frame which is connected to the three-point hitch assembly located at the rear of a conventional tractor. The bucket support frame comprises a pair of side frame members which are pivotally connected to the rear... | 02/16/1988 |
| 4636133 | Heavy load lifting apparatus A heavy load lifting machine for elevating heavy loads off of and transporting heavy loads along the ground is disclosed. The machine includes a load lifting linkage having a special configuration for the linkage arms and lift rams to accommodate lifting ... | 01/13/1987 |
| 4385863 | Seat interlock for skid-steer loader A seat interlock mechanism for a skid-steer loader is disclosed wherein the boom structure can be rendered inoperable for vertical movement if the operator leaves his seat. The hydraulic circuit for powering the hydraulic cylinders, which move the boom st... | 05/31/1983 |
| 4381900 | Self propelled reaching-type mobile loader A self propelled reaching type mobile loader includes a mobile vehicle which has an articulated body and frame and self leveling wheels. The front portion has a supporting frame with a cab enclosing the front end thereof and has a suitable motor means for... | 05/03/1983 |
| 4306832 | Front end loader with improved reach controls The invention provides material handling apparatus in the form of a lift arm assembly integratable with or releasably applicable to farm tractors or like relatively small, lightweight vehicles for front end loading and leveling having extended outreach ca... | 12/22/1981 |
| 4268215 | Air shifting device Two rotary air valves are mounted on the bucket control levers of an end loader and are operable to control the shifting of the loader's transmission. One of the air valves is used to operate a cylinder connected to the forward and reverse shift valves of... | 05/19/1981 |
| 4262950 | Lateral shifting device for crane A device adapted to be suspended from a crane for lifting and laterally shifting a load including a frame having a fork lift attached thereto for carrying the load and a counterweight means to compensate for the weight of the load and to selectively posit... | 04/21/1981 |
| 4175907 | Shovel linkage A shovel linkage for a hydraulic excavator or the like has spaced parallel boom link rails which are coplanar with associated spaced parallel stick link rails and pivotedly connected thereto by means of pivot joints provided on the ends thereof. Bucket st... | 11/27/1979 |
| 4143783 | Reverse linkage loader bucket arm with enclosed cylinder A reverse linkage loader bucket arm with an enclosed cylinder assembly and wherein a loader bucket is pivotally mounted on the arm and the cylinder assembly induces the pivotal action. The lift or support arm for the bucket is hollow along its longitudina... | 03/13/1979 |
| 4134505 | Work vehicle with a fluid pressure circuit system A work vehicle with a fluid pressure circuit system comprising an actuator pump, a work equipment mounted on the vehicle and adapted to swivel on a vertical axis, a fluid pressure circuit connected to the actuator pump to actuate the work equipment, and a... | 01/16/1979 |
| 4111320 | Material handling apparatus having means for connecting material handling tool with a boom An improved material handling apparatus includes an adapter assembly which is disposed on the outer end portion of a boom. The adapter assembly is connected with a material handling tool by an improved connector assembly. The connector assembly includes a... | 09/05/1978 |
| 4105131 | Combination front-end loader bucket and refuse container The opposite sides of a front-end loader bucket are respectively provided with a pair of oppositely projecting transverse lift pins. A pair of transversely spaced brackets are provided at the backside of a refuse container and each includes a pin bearing ... | 08/08/1978 |
| 4104954 | Hydraulic control system The invention is a hydraulic control system for use in positioning and clamping a movable object on a support, which system is adapted to be connected to a source of pressurized hydraulic fluid, to a hydraulically operated piston-cylinder assembly connect... | 08/08/1978 |
| 4103791 | Shovel attachment means for hydraulic excavator A large hydraulic excavator machine for mining operations comprises attachment means for operatively connecting the shovel to the machine frame so that no bending moment is imposed on the component parts of the attachment means during operation of the exc... | 08/01/1978 |
| 4100688 | Earth working apparatus An earth working apparatus is disclosed including means for removably coupling a compacting roller into operative engagement with a hydraulically manipulated boom while simultaneously maintaining the excavating bucket of the apparatus in its operative ass... | 07/18/1978 |
| 4096957 | Pivot pin assembly A pivot pin assembly for mounting a loader bucket to a loader arm of a tractor. The pivot pin assembly includes a cylindrical pin having spaced-apart retaining sleeves which capture a sleeve bearing therebetween. The retaining sleeves engage the bucket br... | 06/27/1978 |
| 4094422 | Bucket loader boom A boom arrangement for a bucket loader of particular use in the context of low headroom mine workings comprises two articularly connected boom elements having ram means for varying the relative angular positions thereof and a further ram means for raising... | 06/13/1978 |
| 4084853 | Hopper device for tractor vehicles A hopper is adapted to be mounted on the three-point suspension system of an agricultural tractor by pivoting the lifting links to pivots immediately beneath the hopper body which has downwardly extending arms to which are pivoted a link pivotally connect... | 04/18/1978 |
| 4081092 | Tractor with lifting mechanism for mounting a bulldozer blade or the like A tractor is provided on either side with elongated lifting beams pivotally joined rearwardly to the tractor frame and including at least one cross member joining the beams forwardly of the tractor and to which a bulldozer blade or other implement may be ... | 03/28/1978 |
| 4046026 | Linkage and motion system, especially for accomplishing a swinging movement in equipment such as buckets for power shovels and the like A linkage and motion system pivoted to a bracket comprises a first linkage connecting the bracket with a second linkage, a holder connected to the bracket and to the second linkage, and a drive with a linear working motion connected to the bracket. The ar... | 09/06/1977 |
| 4015728 | Material handling apparatus An improved hydraulic actuator for use as a swing motor in a material handling apparatus of the type having a vehicle mounted boom. Two embodiments are disclosed and each includes a vertically disposed, double-acting cylinder having an internal, verticall... | 04/05/1977 |
| 3972430 | Crane jib arrangement A crane jib includes a support, a base arm pivoted in the support, and a jib lever pivotally connected to the base arm. The jib lever supports at its free end a work tool and is oscillated on its support by two hydraulic jacks, the first of the jacks is p... | 08/03/1976 |
| 3966064 | Multi-purpose vehicle A multi-purpose vehicle which may be used for a variety of purposes, such for example, as a fork lift truck, a tow truck with a hoist, a tractor or truck for towing a four wheel vehicle, any of the foregoing in combination with each other or in combinatio... | 06/29/1976 |
