Abstract: An arrangement for the attachment or detachment of a loader assembly or similar implement from a tractor includes a first member adapted to be received by a tractor, a second member adjustably connected to the first member, the second member adapted to receive the implement, and a third member also adapted to be received by the tractor, the third member mounted to the first member for movement between first and second positions relative to the tractor, movement of the third member from its first position into its second position causing transformation of the third member into an upright portion that assists in stabilization of the first and second members and the implement against the ground.

Abstract: A tractor has a vehicle frame with a pair of right and left elongate frame members spaced from each other and extending in a longitudinal direction and interconnected in intermediate positions by a cross member, an engine supported by the elongate frame members in a front region of the vehicle frame, a rear axle unit connected to rear axle connecting members fixed to the elongate frame members in a rear region of the vehicle frame, and a drive transmitting mechanism for transmitting drive from the engine to the rear axle unit. A front loader and/or a backhoe are/is attachable to a front and a rear of the tractor as supported by the vehicle frame. A reinforcing frame unit is provided for reinforcing the vehicle frame. The reinforcing frame unit is connected to the vehicle frame by reinforcing frame connecting members spaced horizontally and/or vertically from the rear axle connecting members.

Abstract: A boom assembly for a work machine including a boom extending from a forward portion of the work machine toward a rear portion of the work machine, a rear link member connected between a frame of the work machine and the boom by a first frame pivot connection and a first boom pivot connection, and a forward link member connected between the frame of the work machine and the boom by a second frame pivot connection and a second boom pivot connection. The boom assembly also includes an actuator connected between the frame of the work machine and the boom by a third frame pivot connection and a third boom pivot connection. The second frame pivot connection is located vertically below the first frame pivot connection and above the second boom pivot connection when the boom assembly is in a lowered position.

Abstract: A mobile interface system for a work vehicle that affords degrees of freedom for roll as well as conventional pitch and yaw or swing motion control for a mobile interface structure to which a linkage or a work tool is attached. The mobile interface structure for a backhoe is a swing frame. The roll, pitch and yaw motions are relative to the work vehicle.

Abstract: In preferred embodiments, a utility vehicle (such as, e.g., a skid steer vehicle) having a raised and lowered utility boom includes: a vehicle body; an engine supported within the vehicle body; a boom supported over the body; a utility mechanism supported on the boom; an operator cab supported on the vehicle body; and a forward tilt mechanism about which the cab tilts forward for maintenance or service; and a boom linkage moveable between a retracted position and an extended position; wherein, in the extended position the boom linkage provides a substantially unobstructed access to the vehicle body from left and right sides of the vehicle. The vehicle can also include a removable cover that enables access to the vehicle body behind the cab and/or a rear-end door that enables access from a rear end of the vehicle for maintenance or service.

Abstract: A loader/attachment assembly is provided. The loader/attachment assembly can be referred to as a loader/bucket assembly when the attachment is a bucket. The loader/attachment assembly can include a bucket and a loader assembly. The bucket includes a bucket attachment region and a bucket face opening. The loader assembly includes a left boom and a right boom. The left boom includes a left first boom end constructed for attachment to a left bracket assembly on a motor vehicle, a left second boom end attached to the bucket attachment region, a left lift cylinder, and a left attachment cylinder. The right boom includes a right first boom end constructed for attachment to a right bracket assembly on a motor vehicle, a right second boom end attached to the bucket attachment region, a right lift cylinder, and a right attachment cylinder.

Abstract: The masts of a front-end loader are releasably attached to vertical plates of a loader mounting frame located at the opposite sides of a tractor by latch hooks pivotally mounted to the masts and engaged with latching elements carried by the vertical plates. An over center biasing arrangement acts on each latch hook and acts to bias the latch hook to a closed position, but moves over center when the latch is manually opened so as to bias the latch to its open position. The pins pivotally coupling the latches to the masts also serve to couple the piston rods of a pair of loader boom lift cylinders to the masts. Extension of the cylinders during detaching the masts from the vertical plates causes the opened latch hooks to be pivoted to the extent that the biasing elements move over center and reset the latches to their closed positions, which positions are conducive for automatically reattaching the mast to the vertical plates.

Abstract: A steering system for steering front and rear wheels of an industrial vehicle has an upper frame rotatably coupled on an upper side of a lower frame, a steering system rotating the front and rear wheels in a predetermined direction as a steering wheel is rotated, a differential driving unit mounted to each of the wheels and differentially driving the left wheel and the right wheel according to a load applied to the wheels, a boom assembly having a boom length adjuster, and an upper frame pivoting unit provided between the lower and upper frames and rotating the upper frame in relation to the lower frame.

Abstract: A boom clamp for a work vehicle having a lock and a boom is provided, the lock being configured to prevent movement of the boom in a first direction, the clamp comprising a restraint configured to engage the boom; and a sleeve fixed to the restraint, the sleeve configured to engage the lock; wherein the restraint prevents the boom from moving in a second direction.

Abstract: Method and apparatus to simplify the process of adding a loader to a tractor after the manufacturing process. A pair of mounting brackets, one on each side of the tractor, each comprises a front piece and a rear piece. The rear piece is affixed to the tractor during the manufacturing process and the front piece, including a bearing surface for a transverse support axis of a loader, is selectively affixed to the respective rear piece and tractor when a decision to incorporate a loader is taken.

Abstract: A lift arm (9) includes a first arm (11) and a second arm (12). A pivot joint portion (32) where the first arm (11) is pivoted on a bracket (8) stood at a vehicle side portion substantially corresponds to the rear end of an operation control portion. A rod (15) as a swing motion-limiting member is interposed between the bracket (8) and the second arm (12). An angle of bend formed by the first arm (11) and the second arm (12) is set to be large at a lowered position of the lift arm and small at a lifted position.

Abstract: A small loader machine of the skid-steered type having a counterweight to balance heavy loads in the loader bucket. The bucket is automatically extended forward as the counterweight is extended in the opposite direction so as to keep the machine always in reasonable balance.

Abstract: A BWR jet pump assembly has a wedge slidably mounted on a jet pump that is movable under the force of gravity to seat between a bracket and the jet pump in order to horizontally support the jet pump against vibrations. The wedge or the bracket is repaired in situ by: providing a spacer layer between mating surfaces of the wedge and the bracket; and then lowering the wedge until the spacer layer is between and in contact with the wedge and the bracket.

Abstract: A front end loader is provided according to the invention. The front end loader includes a forward bracket assembly and a rear bracket assembly, a tower that attaches to the rear bracket assembly, and a tower subframe that attaches to the forward bracket assembly. The tower has a first tower end and a second tower end. The second tower end includes a shoe area for attaching to a shoe-receiving region provided on the first bracket assembly. The tower subframe has a first tower subframe end and a second tower subframe end. The first tower subframe end is attached to the tower, and the second tower subframe end is constructed for attachment to the second bracket assembly. A spring can be provided as part of the rear bracket assembly to reduce rattling between the tower and the rear bracket assembly. The rear bracket assembly can be referred to as the first bracket assembly, and the forward bracket assembly can be referred to as the second bracket assembly.

Abstract: A working vehicle with a front-end loader comprises: a vehicle body; a right and left pair of support decks each extending transversely of the vehicle body and fixed at an inward end thereof to the vehicle body; boom supporting members each erected on an outward end of one of the support decks; a boom pivotably connected at one end thereof to upper positions of the boom supporting members and having a working implement attached to the other end thereof; a boom cylinder extending between one of the boom supporting members and the boom for swinging the boom; mounting elements each provided for one of the boom supporting members and partially protruding outward from the one of the boom supporting members; and connecting frames each fixed at one end thereof to the vehicle body, and fixed at the other end thereof to one of the mounting elements.

Abstract: A reinforcing frame construction having ROPS and a rear axle casing projecting to the right and left from a tractor vehicle body. The construction includes a pair of right and left loader attaching members for detachably attaching a front loader, the loader attaching members being connected to an intermediate portion of the vehicle body and projecting therefrom to the lateral sides, a pair of right and left rear supporting members provided in the rear axle casing for supporting right and left legs of the ROPS, and a pair of right and left connecting members to which a rear implement is connected, the connecting members being fitted into the rear axle casing and being detachably connected to the rear supporting members. Extension portions of the connecting members extending forwardly therefrom are detachably connected to the loader attaching members.

Abstract: A loader assembly is provided according to the invention. The loader assembly includes a boom arm and a bracket assembly. The boom arm includes a tower that includes a plurality of first hydraulic fluid coupler members, a lift arm that rotates relative to the tower about a tower/lift arm rotating pin, and at least one hydraulic cylinder. The bracket assembly includes a stationary bracket that includes a plurality of second hydraulic fluid coupler members. The stationary bracket is constructed for attachment to a motor vehicle and attachment to the tower to provide a fluid connection between the first coupler members and the second coupler members. The rotating bracket rotates relative to the stationary bracket about a bracket rotation pin. The rotating bracket is constructed to receive the tower and rotate the tower for attachment to the stationary bracket. A combination motor vehicle and loader assembly, and methods for operating a loader assembly are provided.

Abstract: A loader assembly is provided having a left boom arm and a right boom arm. The left boom arm includes a left tower, a left loader arm, a left lift cylinder, and a left attachment cylinder. The left tower is constructed for attachment to a bracket on a motor vehicle. The left loader arm includes a first end rotatably attached to the left tower, a second end constructed for attaching to an attachment, and a left lift cylinder/attachment cylinder rotation pin. The left lift cylinder includes a first end rotatably attached to the left tower, and a second end rotatably attached to the left loader arm at the left lift cylinder/attachment cylinder rotation pin. The left attachment cylinder includes a first end rotatably attached to the left loader arm at the left lift cylinder/attachment cylinder rotation pin, and a second end constructed for attaching to an attachment. The right boom arm includes a right tower, a right loader arm, a right lift cylinder, and a right attachment cylinder.

Abstract: A loader/attachment assembly is provided. The loader/attachment assembly can be referred to as a loader/bucket assembly when the attachment is a bucket. The loader/attachment assembly can include a bucket and a loader assembly. The bucket includes a bucket attachment region and a bucket face opening. The loader assembly includes a left boom and a right boom. The left boom includes a left first boom end constructed for attachment to a left bracket assembly on a motor vehicle, a left second boom end attached to the bucket attachment region, a left lift cylinder, and a left attachment cylinder. The right boom includes a right first boom end constructed for attachment to a right bracket assembly on a motor vehicle, a right second boom end attached to the bucket attachment region, a right lift cylinder, and a right attachment cylinder.

Abstract: A Z-bar loader linkage having a floating bell crank. A boom is pivotally mounted to a loader frame at one end and an attachment at the other end. The bell crank is pivotally mounted on leveling links extending forwardly from the loader frame. The drive end of the bell crank is provided with an attachment link that extends from the bell crank to the attachment for controlling the angular position of the attachment. A guide link extends between the attachment link and the boom.

Abstract: A pipelayer is provided which is capable of effectively transporting pipes or the like and stably carrying out load hoisting operation on a slope. The pipelayer comprises: an undercarriage; an upper revolving superstructure mounted on the undercarriage so as to turn around freely upon the undercarriage; a boom supported by the upper revolving superstructure so as to be freely raised and lowered; a pulley block attached to the boom through a universal joint; a hoist mounted on the upper revolving superstructure; a hoist hook hung by a wire rope that is paid out from the hoist and wound around the pulley block.

Abstract: A lift arm assembly for a skid steer loader comprises a pair of lift arm links that are pivotally mounted together at first ends of the links. A first lift arm link is of substantial length and is pivotally mounted to the frame of the skid steer loader adjacent the rear lower portion of the frame and extends upwardly. A second lift arm link extends forwardly from the first lift arm link pivot to a position ahead of the skid steer loader frame. A control link is provided that has one end pivotally mounted to the loader frame adjacent a forward end of the loader frame, and a second end pivotally mounted to the second lift arm link to guide the second lift arm link as it is raised. An extendable and retractable actuator is pivotally mounted at a first end to the first lift arm link adjacent to the pivot of the first lift arm link to the frame. A second end of the actuator is pivotally mounted to the second lift arm link forwardly of the first lift arm length link.

Abstract: A vertical lift type arm device includes a set of left and right control links each having three connection shaft holes, a set of left and right central mounting parts which are provided at a center part of the main frame, and a set of left and right mounting parts which are provided at rear parts of the lift arms and extend downward. Front end parts of the control links and the central mounting parts are pivotably attached to each other, center parts of the control links and lower end parts of the mounting parts are pivotably attached to each other, and connection axes of the control links and the central mounting parts are provided at a same height as or at a higher position than connection axes of lower end parts of the rear links and the main frame.

Abstract: A mounting frame unit attached to a tractor body for enabling working implements such as a front loader and a backhoe to be attached to the tractor body. The mounting frame unit includes a pair of right and left main frames extending longitudinally of the tractor body, and connecting frames for connecting the main frames as spaced from each other. A lower mounting unit is disposed in a rearward section of each of the main frames for connection to a rear axle case forming part of the tractor body. An upper mounting unit for connection to the rear axle case is disposed on a bridge member that bridges upper positions of an upwardly opening cutout formed in the rearward section.

Abstract: A walk behind powered apparatus for operating working attachments includes a ground engaging carriage with two endless tracks on opposite sides of the frame. A support frame attached to the carriage includes a pair of rearwardly and upwardly extending side plate members with upper end portions that pivotably support a boom and a controller. The boom is arcuately-shaped and has a working attachment at a forward end. The controller includes linkages which are connected to two drive units which enable independent operation of each endless track. The apparatus also includes at least one selectively positionable counterweight that may be moved relative to the vertical traverse plane passing through the center of gravity of the apparatus to increase the operational parameters of the apparatus.

Abstract: A load handling machine having a chassis including front and rear frames. An operator's cab is at least partially supported by the front frame mounted to one side of a longitudinal machine axis. The front frame includes a pair of frame members. The front frame provides a mounting for a working arm between the pair of front frame members longitudinally between an axle axis for the steerable wheels and the cab. The working arm includes first and second parts which are pivotally connected together so that the angle between the first and second parts is adjustable about a second axis. The first arm part is pivotally connected to the front frame part for pivotal movement about a third axis. The first arm part is connected to a first end of the second arm part. In use, a working implement is mounted to a second end of the second arm part.

Abstract: A utility vehicle having a front loader bucket includes shaped towers and shaped boom arms connected to the towers, and a sloped hood and a shaped fuel tank which all increase the operator's view of the bucket, wheels; axle and ground for close control of the utility vehicle bucket with respect to external structures and surfaces. The towers extend substantially vertically from the utility vehicle chassis to a mid-location wherein the towers are offset inwardly to top ends thereof. The boom arms are connected to the top ends of the towers, extend forwardly, and are offset outwardly to a mid-location of the boom arms wherein the boom arms then extend forwardly to be connected to the bucket.

Abstract: A boom and linkage mechanism for a skid-steer loader includes a frame and a right and a left loader arms. An implement may be vertically pivotally mounted to the forward ends of the loader arms, and a pair of tilt actuators may be respectively connected between the forward ends and the implement. Right and left forward guide links are connected between the frame and the loader arms. Right and left rearward guide links are connected substantially proximate to a rear of the frame and the loader arms. The lower ends of the rear guide links may be substantially lower than the lower ends of the forward guide links. Right and left lift actuators may be connected between the frame and the loader arms. The right and left lift actuators may extend and retract to raise the right and left loader arms such that the implement moves between a fully lowered position and a fully raised position, and wherein the fully raised position is located substantially vertically above the fully lowered position.

Abstract: A boom for a telescopic loader, is described. It is proposed that the boom be configured with a carrier arrangement having one end fastened to a frame of the loader vehicle, free to pivot, and having a second free end defined by an attaching flange. A front piece includes a mating flange configured complementary to the attaching flange and releasably secured to it. The front piece is used to engage a tool. To enlarge this modular configuration, an extension carrier is provided that includes a further mating flange and a further attaching flange. By inserting the extension carrier between the front piece and the carrier arrangement, the boom can be extended to conform to special operating requirements. Furthermore, the modular configuration permits a more flexible configuration of the carrier arrangement and the front piece and has a more favorable effect regarding manufacture, handling and transport of the carrier arrangement and the front piece.

Abstract: A tractor has a vehicle frame with a pair of right and left elongate frame members spaced from each other and extending in a longitudinal direction and interconnected in intermediate positions by a cross member, an engine supported by the elongate frame members in a front region of the vehicle frame, a rear axle unit connected to rear axle connecting members fixed to the elongate frame members in a rear region of the vehicle frame, and a drive transmitting mechanism for transmitting drive from the engine to the rear axle unit. A front loader and/or a backhoe are/is attachable to a front and a rear of the tractor as supported by the vehicle frame. A reinforcing frame unit is provided for reinforcing the vehicle frame. The reinforcing frame unit is connected to the vehicle frame by reinforcing frame connecting members spaced horizontally and/or vertically from the rear axle connecting members.

Abstract: A tractor has a vehicle frame with a pair of right and left elongate frame members spaced from each other and extending in a longitudinal direction and interconnected in intermediate positions by a cross member, an engine supported by the elongate frame members in a front region of the vehicle frame, a rear axle unit connected to rear axle connecting members fixed to the elongate frame members in a rear region of the vehicle frame, and a drive transmitting mechanism for transmitting drive from the engine to the rear axle unit. A front loader and/or a backhoe are/is attachable to a front and a rear of the tractor as supported by the vehicle frame. A reinforcing frame unit is provided for reinforcing the vehicle frame. The reinforcing frame unit is connected to the vehicle frame by reinforcing frame connecting members spaced horizontally and/or vertically from the rear axle connecting members.

Abstract: A frame type tractor having an engine mounted in a front region of a main frame extending longitudinally of a tractor body, and a transmission case mounted in a rear region of the main frame. A backhoe mounting frame is attached to a rear end of the main frame. Rollover protection system mounts are arranged in upper portions of the backhoe mounting frame for fixedly supporting a rollover protection system. The backhoe mounting frame has a frame structure defining an inside space therein and including a pair of right and left side walls, a top wall interconnecting upper ends of the side walls, and a bottom wall interconnecting lower ends of the side walls. The right and left side walls have the rollover protection system mounts and backhoe attaching portions for engaging and connecting a backhoe unit.

Abstract: A wheeled work machine includes a rigid frame assembly having a support with a boom pivot. A front wheel assembly is joined to the frame assembly proximate the support, while a rear wheel assembly is joined to the frame assembly at an end remote from the support. The frame assembly further supports an engine, operator platform and cargo support. The operator platform is supported by the frame assembly between the boom pivot and the engine, while the cargo support is disposed behind the operator platform.

Abstract: A rear-mounted implement mounting system includes semi-cylindrical seats open upwardly and mounted on a lower back portion of a utility vehicle chassis that receive bar members located on a facing lower part of the rear-mounted implement. The utility vehicle chassis further includes semi-cylindrical receivers open in a rearward direction and adjacent cylinder portions open laterally. The receivers guide cylindrical bosses, located on an upper portion of the rear-mounted implement, into alignment with the cylinder portions, when the rear-mounted implement is pivoted upwardly by extending the boom cylinder of the rear-mounted implement. Connecting pins can be slipped through the cylindrical bosses and cylinder portions to lock the rear-mounted implement to the utility vehicle chassis. An operator remaining in the vehicle cab or operator station can easily operate the mounting system.

Abstract: The present invention concerns a lift truck comprising a mobile frame (1), a tiltable boom (3) provided upon it and tilting means (7) for tilting said boom (3), whereby the boom (3) is fixed to the frame (1) in a tilting manner by means of a support (5) which can be moved in relation to the frame (1) in the longitudinal direction of this frame (1), and whereby the lift truck contains displacement means (8) for moving this support (5) which are coupled to the tilting means (7) for the boom (3), such that these tilting means (7) and the displacement means (8) simultaneously tilt the boom (3) together and move the support (5) of the boom (3) in such a manner that the front end of the boom (3) follows a path which is practically perpendicular to the above-mentioned longitudinal direction of the frame (1).

Abstract: An offset connection for a skid steer loader or other work vehicle having right and left boom assemblies, an implement connected to boom assemblies, and a body. An offset connection assembly is provided that includes (i) a seat member attached to one of the triangular plate member and the lower link member, the seat member having a first passage formed therethrough, and a seat formed therein, (ii) a hollow offset pin journaled within a hole in the other of the triangular plate and the link member, the offset pin having (a) a surface offset from a center of the pin constructed to engage the seat of the seat member at a selectable orientation, and (b) a second passage formed therethrough, and (iii) a fastener passing through the first and second passages and securely fastening the hollow offset pin and the seat member in the selectable orientation.

Abstract: A working vehicle with a front-end loader comprises:

Abstract: A skid steer vehicle has sprung suspensions, variable displacement pumps and motors connected to those pumps that drive the wheels on the vehicle as well as an electronic controller that receives signals that indicate lateral acceleration of the skid steer vehicle during turns. The controller determines whether the lateral acceleration exceeds a predetermined value, and locks up the outboard suspensions if that value is exceeded. The signals can be provided by an accelerometer, a satellite receiver, wheel/motor speed sensors, sensors in the pumps that signal the specific displacement of the pumps (such as their swash plate position, or memory locations that contain previously calculated specific displacement commands that are used to drive the pumps to a particular displacement.

Abstract: A front lifting equipment for an agricultural crawler tractor with considerable offset (D) of the front art relatively to an intermediate girder (1) whereto are fixed the track-layer assemblies (Cg), an axle (4) being provided at the rear. The equipment includes a reinforcing member arranged on each side of the tractor, fixed to the intermediate girder and to the rear axle, and formed by a flank (18g) substantially parallel to the tractor median vertical plane, and whereof the height is arranged to ensure satisfactory mechanical resistance in spite of a reduced thickness such that adjusting the narrow gauge track of the tractor is not hindered. A link (L) between the front part (19g) of the reinforcing flank and a fixing point located towards the tractor front is provided for picking up effort.

Abstract: A backhoe unit detachably attached to a backhoe mounting frame disposed on a tractor body rearwardly of a driver's seat. The backhoe unit includes a base having engaging portions for connection to the backhoe mounting frame, a driver's footrest and a control column disposed on the base, a vertical swing axis supported by the base, a boom bracket supported to be swingable about the vertical swing axis, and a boom assembly attached to the boom bracket. The boom bracket is swung horizontally by a single swing cylinder having one end thereof connected to the base through a first cylinder connecting portion, and the other end connected to the boom bracket through a second cylinder connecting portion. The swing cylinder is disposed in a lateral position of the base.

Abstract: A loading machine and chassis for the same, of small size, with an excavator supplement, which can be used for loading, excavation, drilling, etc. in small spaces which were previously only accessible to persons. The operator sits astride the chassis with lateral support points for the operator's feet. A hydraulic system activates the excavator supplement coupled to a loader arm mechanism. Work tools are coupleable to the excavator supplement or the loading arm mechanism.

Abstract: A lift boom assembly includes a pair of lift arm assemblies. Each of the lift arm assemblies include a main lift link with a rear end portion and a second lift link. The second lift links each have a first end portion, a second end portion pivotally connected to a frame of a work machine to define a first pivot, and a central portion pivotally connected to the rear end portion of a respective main lift link to define a second pivot. A pair of control links each having a first end portion that is pivotally connected to the frame of the work machine to define a third pivot. A second end portion of the control links being pivotally connected to a respective one of the main lift links to define a fourth pivot with each of the first, second, third, and fourth pivots being located above the lower portion of the frame. The pivots of the components are located on an upper portion of the work machine so that the components cooperate together to achieve a simple and efficient lift boom design.

Abstract: A front end loader is provided according to the invention. The front end loader has a tower, a tower subframe, a knee, a loader arm, a front arm, a lift cylinder, and an attachment cylinder. The tower has a first tower end and a second tower end. The second tower end includes a shoe area for covering and attaching to a shoe-receiving region provided on a first bracket assembly attached to tractor. The tower subframe has a first tower subframe end and a second tower subframe end. The first tower subframe end is attached to the tower, and the second tower subframe end is constructed for attachment to a second bracket assembly attached to a tractor. The knee has a first knee rotation axis and a second knee rotation axis. The loader arm has a first loader arm end and a second loader arm end. The first loader arm end is rotatably attached to the first tower end of the tower. The second loader arm end is attached to the knee. The front arm has a first front arm end and a second front arm end.

Abstract: A lift structure for a work vehicle including a pair of lift arms arranged on opposite sides of the work vehicle, each lift arm having a first end pivotally coupled to the work vehicle and a second end for coupling to a tool. Each lift arm includes a first side plate member, a second side plate member, an elongated top tubular member and a bottom member. Each side plate member has a plurality of pivot orifices including at least one pivot orifice near each end of the side plate members and at least one intermediate pivot orifice located between each end of the side plate members. The elongated top tubular member is attached between each of the parallel side plate members at the top edge so as to connect to each side plate member. A bottom member is positioned in a spaced relationship from the top member between each side member and is connected to each side member. The top tubular member provides additional strength to the side plate members to resist bending and torque loads.

Abstract: A tractor has a vehicle frame with a pair of right and left elongate frame members spaced from each other and extending in a longitudinal direction and interconnected in intermediate positions by a cross member, an engine supported by the elongate frame members in a front region of the vehicle frame, a rear axle unit connected to rear axle connecting members fixed to the elongate frame members in a rear region of the vehicle frame, and a drive transmitting mechanism for transmitting drive from the engine to the rear axle unit. A front loader and/or a backhoe are/is attachable to a front and a rear of the tractor as supported by the vehicle frame. A reinforcing frame unit is provided for reinforcing the vehicle frame. The reinforcing frame unit is connected to the vehicle frame by reinforcing frame connecting members spaced horizontally and/or vertically from the rear axle connecting members.

Abstract: An implement support frame or holder is mounted to an end of a boom for swinging about a horizontal, transverse axis. A pair of transversely spaced, tapered locating pins are mounted to a horizontal, transverse member of the support frame. The pins are each provided with a front surface that is curved on a radius about the transverse pivot axis and a gradually tapering rear surface. The pins are symmetrical about a fore-and-aft extending vertical plane with the curved forward surface acting to aid in guiding the pins into circular receptacles provided in an upper rear horizontal member of the implement.

Abstract: A boom and boom cylinder quick coupler includes a body defining at least one bore about a transverse boom pivot axis, and the bore is adapted for selective alignment with a transverse bore defined in an associated boom. A first transversely extending open recess is defined in the body about a first transverse axis that is parallel to the transverse boom pivot axis. The first recess is adapted for selective receipt of a first pin affixed to an excavator. A second transversely extending open recess is defined in the body about a second transverse axis that is parallel to the first transverse axis. The second recess is adapted for selective receipt of a second pin affixed to the excavator. A boom cylinder quick coupler can also be provided.

Abstract: A self-propelled vehicle with a loader comprises a vehicle body extending in a fore and aft direction of the vehicle; support bases extending laterally outwardly from opposite sides of the vehicle body; main frames erected on the support bases, respectively, each main frame being in form of a box opening forward and upward and including right and left side walls and a rear wall, the box containing an engageable element; side frames each mounted in the box, each side frame having an engaging element disposed in a lower region thereof for rotatably fitting from above on the engageable element; booms pivotably connected to upper end regions of the side frames, respectively; boom cylinders for swinging the booms relative to the side frames, respectively; and reinforcing members each disposed between the right and left side walls of one of the main frames.

Abstract: A vehicle implement adapter for attachment to conventional vehicles and for allowing the attachment to the vehicle of various implement such as shovels, jaws or the like. The vehicle implement adapter includes a frame configured so as to be attachable to the vehicle. A main arm is pivotally attached to the frame. An implement such as a shovel, a pivotal jaw or the like is pivotally mounted at the distal end of the main arm. A cable is attached to the implement. The cable is re-directed by a set of pulleys and mechanically coupled to a winch-type mechanism mounted on the frame. A releasable locking mechanism is attached to the main arm. By selectively allowing and preventing pivotal movement of the main arm through the use of the arm locking mechanism, the cable can be used to lift and/or tilt the implement.

Abstract: A motorized vehicle portion of a front deck mower and a tool attachment comprising a motorized vehicle portion of a front deck mower; a frame having a pair of spaced apart side frame portions; cooperating attachment for attaching the frame to existing structure associated with the motorized vehicle wherein a first portion of the cooperating attachment structure is associated with the motorized vehicle and the a second portion of the cooperating attachment structure is associated with the frame and the first and second portions of the cooperating attachment structure engage one another for attachment of the frame to the motorized vehicle; and a pressurized fluid actuated tool attachment operably supported by and removable from the frame. The preferred cylinder assembly is operably attached to the frame and the tool attachment and preferably further comprises a pair of spaced apart pressurized fluid cylinders.