Abstract: A blade attachment that can be attached to an excavator or backhoe in 10 seconds and removed in 3 seconds from the operator's seat without the need for tools, nuts, bolts, pins, chains, hoses or additional personnel. The blade attachment is secured to the bucket with two u-shaped adaptors welded to the inside of the bucket. The blade has opposing brackets which support a grab bar and adjustable striker bar, allowing it to be installed on numerous buckets without modification, and providing for quick removal. The design of the bucket adaptors and striker bar prohibits the blade from being removed during earth moving and grading operations, but allows the operator to maintain a level grade when the machine is sitting on as much as a 10% grade difference.

Abstract: A blade attachment for an off-road vehicle such as an ATV is provided. A mounting frame is pivotally connected at its rearward end to the ATV rearwardly of the forward end thereof. A hinge plate is pivotally mounted, about a vertical axis, to the forward end of the mounting frame and has the blade of this invention mounted thereon to enable the blade to be pivoted left, right, or positioned in a straight position. The blade is locked in its various positions by a blade position lever. A linkage is mounted on the forward end of the push tube assembly which is operatively connected to the blade position lever for moving the blade position lever between its locked and unlocked positions. The blade position lever is automatically moved to its unlocked position upon the linkage engaging the underside of the ATV.

Abstract: An attachment fixture includes a pair of first link plates including a connection pin for pivotally connecting an attachment to the boom tip of the power shovel; a pair of second link plates located opposed to the first link plates and including a connection pin for pivotally connecting the second link plates to a front link of the power shovel. Upper portions of the first and second link plates are connected to each other by pivot pins. U-shaped slots are formed at lower portions of the first and second link plates for fastening the first and second link plates to pins of the attachment. The U-shaped slots are located back-to-back with each other. A screw rod is mounted on the attachment fixture to open and close the first and second link plates. The screw rod has a hexagonal screw head. A lock plate is fitted over the screw head. A double ring is mounted on the screw head to prevent the screw rod from being loosened.

Abstract: An apparatus for automatically linking a drive member of a power source and a driven member of an implement, includes two attachment pieces, one attached to the power source, and the other attached to the implement, and an attachment mechanism for automatically connecting the two attachment pieces whereby the drive member and the driven member are operably coupled.

Abstract: The invention is directed to an ensilage processing attachment for uniformly loosening and removing an uncompacted and free flowing ensilage product from a vertical face of a compacted ensilage mass, with minimal ensilage size reduction, when the attachment is mounted to a powered vehicle equipped with a power source for powering the attachment. The attachment includes a rotatable drum that is carried by a frame and equipped with a plurality of curved tooth members tangentially projecting outwardly in a substantially curved relationship to a rotational periphery generated by rotationally propelling the drum and curved tooth members circumferentially positioned about the drum so as to transversely remove the uncompacted ensilage product from the ensilage mass face. A powering means for rotationally propelling the drum along the face so as to uniformly loosen and remove the uncompacted ensilage therefrom is also present.

Abstract: A device for controlling the position of a mountable implement relative to an implement carrier vehicle has a mountable implement (2, 3, 4) which can be moved at a predetermined height by the implement carrier 1 following the ground. A support element (11, 19, 20), is coupled to the mountable implement (2, 3, 4) and can be attached to the implement carrier vehicle (1). A coupling device (15, 17, 18), is connected to the mountable implement (2, 3, 4) and to the support element (11, 19, 20). The mountable implement (2, 3, 4) is freely adjusted to a lifting position corresponding to the height path relative to the support element (11, 19, 20). An attachment device (6, 7, 8) attaches the support element (11, 19, 20) to the implement carrier vehicle 1 having a lifting device. A sensor determines the actual lifting position of the mountable implement (2, 3, 4) relative to the support element (11, 19, 20). A control device determines the deviation of the actual lifting position from a desired lifting position.

Abstract: A transport drawbar for an agricultural tractor has an elongate forward drawbar section of substantially uniform rectangular cross section that mounts on the tractor in the conventional way. An elongate second drawbar section extends to the rear from the forward section. The second drawbar section has the same vertical thickness as the forward drawbar section and a substantially greater width. A trailing drawbar section extends to the rear from the second drawbar section, the trailing drawbar section having the same vertical thickness as the forward and second sections and a width substantially the same as the width of the forward section. Two tapering transition sections are provided between the second drawbar section and the forward and trailing drawbar sections respectively. Two angular offsets are formed in the second drawbar section such that the trailing drawbar section is parallel to and offset downwardly from the second drawbar section.

Abstract: A farm equipment hitch comprises a hitch frame, a lift linkage, a lift cradle, a ram and a plurality of locking mechanisms.

Abstract: A coupler for attaching an implement to a tractor is provided. The coupler has three pivot arrangements allowing pivoting about three axes that are generally normal to one another with two axes of pivoting lying in substantially in a first plane and the third axis of pivoting intersecting that plane at a variable angle in a second plane generally perpendicular to the first plane. The three axes of pivoting substantially intersect and the implement may be attached wherein the load from the implement is directed downwardly and over the draft arms of the tractor.

Abstract: A hitch for hitching a plow to a vehicle is disclosed. The hitch includes a vehicle portion and a plow portion. The vehicle portion includes a mounting member having a substantially planar face. The plow can be pivotally mounted to the plow portion of the hitch. The plow portion of the hitch can be removably mounted to the vehicle portion of the hitch. The plow portion can include a pair of clamping members with one clamping member being movable with respect to the other clamping member. The plow portion can also include a lift assembly for moving the plow between a plowing position and an elevated position.

Abstract: A method of snow plough from a site using a snowplough with at least two plough blades (5) forming together a ploughing angle and there being on the ploughing site fixed objects, such as airport lamps (1), rising over the site surface. In the method, when the snow plough faces an object, the plough front end is opened and the area, with the object on it, left un-ploughed by the open front end, is cleaned by means of brushes (6, 7) in the rear of the plough front end.

Abstract: An apparatus for securing an agricultural implement to a hitch receiving member of a vehicle including at least first, second and third tongue members where each tongue member forms a passageway and the members are arranged in a telescoping fashion where the second member is received within the first member passageway and the third member is received in the second member passageway, the apparatus also including at least first and second hydraulic cylinders for extending the second and third members from the first and second member passageways, respectively, wherein at least one of the cylinders is mounted externally of the members and the other cylinder may be mounted either internally or externally and including a single stage locking mechanism for locking stage members in each of the extended and retracted positions.

Abstract: Hydraulic actuators and/or other parameters on a work attachment for a skid steer loader are controlled with a wireless remote control kit. The kit includes a manual input device and transmitter mounted to the skid steer loader and a receiver on the work attachment that communicates with the transmitter. The receiver directly couples the manual input from the vehicle operator to the solenoid valves that control hydraulic flow to the hydraulic actuators on the work attachment, without processing by an electronic controller. The response of hydraulic actuators directly corresponds to the manual input provided by the vehicle's operator. The manual input device, transmitter module and the independent power source may be self-contained in a module that is attachable and detachable to skid steer loader. The module can be removed and transferred along with the attachment such that the attachment is usable with different skid steer loaders.

Abstract: An apparatus for automatically linking a drive member of a power source and a driven member of an implement, includes two attachment pieces, one attached to the power source, and the other attached to the implement, and an attachment mechanism for automatically connecting the two attachment pieces whereby the drive member and the driven member are operably coupled.

Abstract: The self-engaging, solenoid-releasable with manual override, latch is designed for use in a variety of applications. As such, the latch accepts the striker peg of the load when misaligned, and the latch accommodates bouncing, sideways laoding, etc of the load, without springing open.

Abstract: An apparatus to connect an implement to a first apparatus, the apparatus including a first part adapted for attachment to the first apparatus, a second part adapted for attachment to a second apparatus. The first and second parts are articulated one with the other about an articulation axis. The parts are actuable between modes whereby, in one mode, the first and second parts can articulate relative to each other, and, in the second mode, the first and second parts cannot articulate relative to each other.

Abstract: An apparatus for linking first and second power ports on a variable length tongue assembly where the distance between the ports varies as a function of the degree to which the tongue assembly is extended, the apparatus including a receiver member that defines a receiver space for receiving the cable when the tongue assembly is in a retracted position, a flexible power cable that links the first and second ports together and that forms at least one curve proximate the first cable end and that is convex toward the receiving space, and a guide member that restricts bending of the cable between the curve and the second end such that, upon retracting the tongue assembly, the cable is forced into the receiving space and into a stowed position, at least one embodiment includes a sheath member that further restricts cable bending.

Abstract: A three-point hitch adapter designed with a bell crank, for use on tractors. This bell crank operated hitch adapter provides for easier transfer and adjustability of implements used on tractors. The hitch adapter includes a horizontal cross bar attached to two vertical tubular members. The horizontal bar includes a rectangular centerpiece whereby two tubular members are telescopically inserted and retracted by lateral movement all the while engaged within the centerpiece. The centerpiece includes a bell crank that allows the members to be extended laterally to accommodate the implement. The vertical members have T-shaped locking means with a compression spring to help keep the implement in place at the bottom of each vertical tubular member. All vertical and horizontal adjustments can be made while the adapter is still attached to the tractor.

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 three point tractor hitch permitting an implement to be attached or detached by an operator without leaving the tractor seat. The upper hitch arm includes a linear actuator with a hand grip and a hand operated switch controlling extension and contraction of the upper arm. A latching mechanism and a hand operated latch release are mounted on the upper arm facilitating attachment and release of the upper arm to an upper attaching pin of an implement hitch mast. One of the two lower arms of the hitch can be shifted laterally by a hydraulically actuated cylinder.

Abstract: A connector assembly for three-point hitch for conveniently receiving and securing the hitch of an implement to a three-point hitch. The connector assembly for three-point hitch includes a claw member having a receiver groove, and a locking lever pivotally attached to the claw member. The locking lever includes a handle, a front edge and a locking edge, wherein the locking edge engages and retains a connecting shaft within the receiver groove during operation. The front edge of the locking lever is engaged by the connecting shaft during insertion thereby moving the locking lever into an open position allowing free insertion of the connecting shaft into the receiver groove. An aperture within the claw member and the locking lever allows the insertion of a securing pin to ensure the locking lever retains the connecting shaft within the receiver groove during operation of the implement.

Abstract: An implement interface for mounting on a chassis of a vehicle includes a telescopic boom pivotally coupled to the vehicle chassis so that the boom is pivotal about an essentially horizontal axis. The boom includes a housing which is pivotally coupled to the vehicle chassis and an arm which is slidably received by the housing. A carrier is mounted on a free end of the arm. A three-point hitch is mounted on the boom and has lower links coupled to the carrier, has an extendable upper linkage coupled to the boom, a lifting arm coupled to the carrier, a lifting brace connecting the lifting arm to one of the lower linkages, and a lift cylinder for vertically pivoting the lifting arm. A locking mechanism fixes the boom relative to the chassis. A hydraulic cylinder unit is coupled to the sliding arm and operable to move the sliding arm in a longitudinal direction. A pressure-operated piston/cylinder unit is coupled between the housing and the chassis and is operable to vertically pivot the boom.

Abstract: An automatic attachment adapter adapted for coupling attachments to and uncoupling attachments from loader lift arms without the need for the operator to exit the equipment or employ a helper. The automatic attachment adapter employs a compact, lightweight, high strength latching device to make connection between the attachment plate of the loader and mounting plate of the attachment. By making use of interlocking rotating clevises the latching device is self-centering, requiring only approximate alignment to operate. Additionally, the latching mechanism is self cleaning of debris which may interfere with its operation.

Abstract: A coupling device for mounting an agricultural implement on a tractor equipped with a belt drive, which includes two coupling halves which are connected to each other by several coupling rods, designed in such a way that no components working on the linear drive principle are needed. According to the invention, the lower right and left coupling rods include in each case a lower front and a lower rear rod section which are connected to each other, and which are freely movable relative to each other. One end of the lower rear rod section carries an expanded portion, which is located inside a housing of the end region of the lower front rod section. A plurality of elastically deformable equalizing bodies are inserted between the inner surfaces of the housing of the end region and the outer surfaces of the expanded portion, limiting the movement of the lower rear rod section in relation to the lower front rod section.

Abstract: A multi-purpose turf machine (100) used primarily as a triplex turf mower includes a system for attaching an “operating unit” (e.g., a turf cutting unit) to a traction vehicle (102); and for moving the operating units, e.g., a pair of front cutting units (108a), between a working position and a transport position, the system utilizing a single actuator (224) to provide both vertical lifting as well as “wing-like” pivoting motion. The attachment system includes a female A-frame member (132) attached to the front cutting units (108a) and a mating male A-frame member (202) movably connected to the frame (101) of the vehicle (102). The machine (100) additionally includes a belt drive system to power the cutting units (108). The belt drive system provides correct belt tension between a driving pulley (230, 236) located on the vehicle (102) and a driven pulley (124) located on the end of each cutting unit (108) when the cutting units are in the working position.

Abstract: A mounting assembly for a shank including a shank holder having a passage for receiving the shank, the passage having at one end opposite tapering surfaces which define with the leading edge of the shank opposite tapering spaces for receiving wedge members. Bolts are provided between the wedging members and holder to urge the wedging members longitudinally of the passage to wedge the shank in a selected position relative to the holder.

Abstract: An earth-moving machine includes a coupling releasably joining a bucket to an end of a dipper stick. The coupling includes a hook pivotably coupled to the dipper stick about a first axis and configured to engage a pin secured to the bucket. The coupling further includes a pair of pins coaxially disposed along the axis and movable between an extended position in which the pins are received within a pair of spaced openings on the bucket to join the bucket to the dipper stick and a retracted position in which the pins are removed from the openings. The pins are actuated between the extended position and the retracted position by an actuator disposed along the axis between the pins. The actuator preferably includes a cylinder, first and second pistons disposed within the cylinder and coupled to the first and second pins, respectively, and at least one source of hydraulic pressure fluidly coupled to the cylinder to pressurize the cylinder and to move the first and second pistons and the first and second pins.

Abstract: The present invention provides a powered attachment system for coupling a plow or other implement to a vehicle. A plow lift cylinder extends to push the coupler up into position, aligning spring-loaded upper pins. Further, the spring-loaded pins automatically engage when the coupler holes are aligned with those of the push beam.

Abstract: An adjustable length lower lift arm is provided for a tractor three-point hitch to enable the tractor to be conveniently and quickly attached to an implement. The adjustable length lower lift arm includes a rearwardly extending connector bar which is movable by means of a hydraulic cylinder positioned in the housing of the lower lift arm. The rearwardly extending bar is moved by means of the hydraulic cylinder to enable the connector at the rearward end of the bar to be aligned with the connector on the implement.

Abstract: A frame for supporting a load, the frame including a quick mount/dismount hitch for a medium sized lawn and garden tractor. The hitch includes mounting brackets on one end of the frame, the mounting brackets including spaced apart sets of engagement members that matingly engage complimentary engagement members that are fixed on the rear of the tractor. The mating of the engagement and complimentary engagement members utilize the force of the weight of the frame and any load to seat the frame to the tractor. A lock down mechanism can optionally be used to secure the frame in place. The frame can support, for example, a spraying system including spray tank, spray boom, controls, and fluid conduits. The boom can optionally have double break away arms. A pump to provide spraying pressure can be mounted under the tractor and use the power of the engine of the tractor.

Abstract: A rockshaft assist quick-attach apparatus for mounting a cantileverly supported implement, such as a backhoe, to a tractor, and also a method of using the tractor's rockshaft arms in conjunction with rockshaft arm receiving members, tractor brackets and implement mountable brackets to assist in attaching a cantileverly supported implement, such as a backhoe to the tractor. The apparatus comprising tractor brackets, rockshaft arm receiving members and implement mountable brackets. Wherein, when attaching the implement, the rockshaft arms are lowered to their down most position. The tractor is backed toward the implement until it is in close proximity and in substantial alignment fore and aft with the implement. The rockshaft arms are raised until the rockshaft arms engage the rockshaft arm receiving members. Further raising of the rockshaft arms causes upward movement of the implement.

Abstract: A snowplow for selective attachment to a vehicle, comprising a frame, a blade attached to the frame, and a latching mechanism that is movable to first and second positions to allow selective engagement or disengagement of the snowplow with the vehicle. The latching mechanism is operable by a user from a location point remote from underneath the vehicle.

Abstract: This invention provides a mounting arrangement for a ripper shank that is mounted in a channel defined in a ripper frame. A pair of piston members are mounted in the frame on opposite sides of the ripper shank. The piston members are urged into engagement with the ripper shank by a biasing mechanism that is positioned between the frame and the piston members. An actuating mechanism is mounted between the frame and the piston members to disengage the biasing mechanism to allow the adjustment of the ripper shank with respect to the frame in one of an infinite number of positions.

Abstract: A hitching device for attachment to a three-point hitch, or to a quick-attaching coupler on a three-point hitch, has a frame removably coupled to the draft links of the three-point hitch or hooks of a quick-attaching coupler. The frame has a horizontal member adapted to allow attachment of an implement. The horizontal member is disposed at a location that is below the draft links and that is forward of the ends of the draft links so that the horizontal member is closer to the tractor or other drive vehicle than the ends of the draft links. An alternative embodiment of hitching device includes an elevated hitch ball on top thereof for accommodating a fifth wheel trailer hitch. A pair of tine receiving slots are positioned in the two lowermost corners of the alternative hitching device frame for receiving a respective pair of rearwardly extending fork lift tines.

Abstract: The mounting system for mounting the implement to a boom assembly forming part of a construction vehicle, such as an excavator, pedestal boom, and backhoe. A pair of spaced apart side plates include aligned apertures for receiving adapter plugs sized to be received within the apertures and for resisting relative rotation therebetween. Each adapter includes a transverse bore which is sized to receive a first pin member, such that each transverse bore is of an associated pair of adapter plugs defines the pin diameter that will be accepted, as well as partially defining the distance between a first pin member and a second pin member. Each adapter plug defines a flange portion having a surface abuttably engages a side surface of its associated side plate. The flange portions of an associated pair of adapter plugs define thrust surfaces for a boom member coupled to a pin carried by the adapter plugs. The thrust surface may be machinable to adjust the lateral spacing between an associated pair of adapter plugs.

Abstract: A universal mounting assembly for a light duty snow plow using a lower triangular frame, an upper triangular frame and a pair of spaced-apart rearwardly directed tubular members for attaching the lower triangular frame to a vehicle. The mounting assembly can be secured to a vehicle using a quick release mechanism regardless of the vehicles ground clearance. Additionally, the plow can be used in any one of a plurality of predetermined positions with the bottom edge of the snow plow blade remaining substantially flat against the surface to be plowed. An electric winch that is supplied power from the battery of the vehicle to which the snow plow is mounted, is used to raise and lower the snow plow.

Abstract: An improved adjustable mounting bracket for a moldboard snow plow includes a horizontal box beam, cross member which is attached by lugs to the back side of the plow and a third hitch connection which is attached to a bracket mounted on the box beam member. A support arm for a yoke fits over the mid-point of the box beam and is pivotally connected by a pin. The support arm is attached to a first frame member which overlays a second frame member mounted on the truck. The frame members are linked to one another and the first frame members may be moved vertically relative the second by an hydraulic cylinder. The construction is especially compact and lightweight.

Abstract: A wing plow yoke which may be manually actuated to laterally move outwardly from the front side of a plowing vehicle to allow access to the vehicle's hood, and thus to its engine. Mounting brackets attached to opposite sides of the front of the vehicle are provided with bracket apertures wherein a yoke bar is fit so that the yoke bar can move within the bracket apertures. A gear wheel or a fulcrum-and-lever arrangement is provided which engages a series of spaced depressions situated along the length of the yoke bar. By turning the gear wheel, or by selectively engaging depressions in the yoke bar with the lever, the yoke bar (and thus the wing plow) is moved laterally outwardly from the side of the vehicle. This arrangement avoids the need for any power transmission from the engine in order to move the yoke bar, and thus the yoke bar (and wing plow) may be moved outwardly from the side of the vehicle even in the event of engine failure.

Abstract: A universal mounting assembly for a light duty snow plow using a lower triangular frame, an upper triangular frame and a pair of spaced-apart rearwardly directed tubular members for attaching the lower triangular frame to a vehicle. The mounting assembly can be secured to a vehicle using a quick release mechanism regardless of the vehicles ground clearance. Additionally, the plow can be used in any one of a plurality of predetermined positions with the bottom edge of the snow plow blade remaining substantially flat against the surface to be plowed. An electric winch that is supplied power from the battery of the vehicle to which the snow plow is mounted, is used to raise and lower the snow plow.

Abstract: A tractor hitch engageable and disengageable by an operator without leaving a tractor seat includes an upwardly and inwardly tapering cam (A) carried by a tractor at three-point hitch locations for engagement between inwardly extending marginal guides (C) integral with a complementary substantially wedge shaped cam follower (B) carried by an implement. The method includes positioning the cam below the cam follower and then lifting the cam by raising hydraulic lift arms (D) carried by the tractor exerting a guiding action between the cam and the cam follower bringing them into interlocking relation for thereafter automatically engaging a latch (E) dislodgement of the cam from the cam follower as during transport of the implement may be avoided.

Abstract: A battery-powered grass mower (12) is hitched to en electric garden tractor (10). The hitching system has arms (27) pivoted (29) to the tractor, which can be raised and lowered by means of ah electric actuator strut (45). To hitch, the tractor is maneuvered until pegs (30) pivoted on the arms are poised above sockets (20) on the mower; then, using the electric actuator, the arms are lowered, driving the pegs into the sockets. Once firmly engaged, a latch (36) engages and retains the pegs into the sockets. The latch is releasable electrically. All aspects of hitching and unhitching are under remote control from the driver's seat.

Abstract: A hitching device for attachment to a three-point hitch of a tractor has a frame removably coupled to and extending between the draft links of the three-point hitch. The frame has a horizontal member adapted to allow attachment of an implement. The horizontal member is disposed at a location that is below the draft links and that is forward of the ends of the draft links so that the horizontal member is closer to the tractor than the ends of the draft links. An alternative embodiment of hitching device includes an elevated hitch ball on top thereof for accommodating a fifth wheel trailer hitch. A pair of tine receiving slots are positioned in the two lowermost corners of the alternative hitching device frame for receiving a respective pair of rearwardly extending fork lift tines.

Abstract: A hitch structure comprises a support frame adapted to be mounted to a tail portion of a work vehicle, a tube supported crosswise on the support frame and a hitch for connecting a work machine to the work vehicle. The hitch is comprised of an upper jaw plate and a lower jaw plate joined together by a pin in such a manner as to be capable of opening and closing actions, whereby the jaw plates can cooperate to hold the tube on the support frame. The hitch structure thus allows easy mounting and releasing, produces little play, and is free from worries about its parts being lost.

Abstract: An improved adjustable mounting bracket for a moldboard snow plow includes a horizontal box beam, cross member which is attached by lugs to the back side of the plow and a third hitch connection which is attached to a bracket mounted on the box beam member. A support arm for a yoke fits over the mid-point of the box beam and is pivotally connected by a pin. The support arm is attached to a first frame member which overlays a second frame member mounted on the truck. The frame members are linked to one another and the first frame members may be moved vertically relative the second by an hydraulic cylinder. The construction is especially compact and lightweight.

Abstract: A coupling and centering device is attached to a journal (38) of a carrying frame (37) of an agricultural implement. The coupling and centering device has a catching ball (7) and a catching profile (14). The catching profile (14) has a sleeve (15) and a catching plate (25) which are connected to one another. The sleeve (15), in the fitted condition, enters a bore step (12) of the catching ball. The catching plate (25) is arranged relative to the sleeve (15) such that the transverse bore (19), for receiving the lynch pin, is arranged in the region of the wall of the catching plate (25). Thus, in view of a predetermined length of the journal (38) and the provision of the fixing bore (39), the greatest possible guiding length of the sleeve (15) is achieved on the journal (38). In this way, the strength of the connection is affected positively.

Abstract: The coupler is attached to the boom of a tractor or other vehicle and enables the boom to be quickly and automatically connected to an implement such as a loader bucket. The coupler includes spring-loaded and laterally shiftable pins which automatically latch to the implement when the coupler is shifted forwardly toward the implement. Unlatching of the pins is effected by manually turning an operating handle. The operating handle is connected to the pins by laterally rigid links which cause movement of the handle to follow movement of the pins in all positions of the pins so that the position of the handle serves as a visual indicator as to whether the pins are latched or unlatched.

Abstract: A coupling device for a tractor provided with a three point hitch. The coupling device has a first coupling frame, and a second coupling frame, provided with at least an upper and two lower fastening links for hinged fastening of a tool, the first coupling frame being provided with a first coupling element in longitudinally and directionally variable rotation connection with the rotating shaft of the tractor. The second coupling frame is provided with a second coupling element being rotatably connectable with the first coupling element, to transfer the effect of the rotating shaft to the tool. The coupling frames are provided with cooperating upper and lower fastening elements. The upper fastening element of the first coupling frame consists of two fastening hooks turned from the tractor, provided at a spaced horizontal distance from each other symmetrically from the vertical symmetric axis of the coupling frame, converging upwards towards each other.

Abstract: A snow plow mounting frame assembly is capable of being attached to nearly any type of four wheeled vehicle having a chassis, and is capable of mounting thereon nearly any make and model of commercially available snow plow blades. The mounting frame assembly includes a horizontally disposed, heavy duty bumper member which is mounted on the chassis of the vehicle, and a pair of spaced-apart, vertically disposed support members which are mounted on the bumper member forwardly thereof. A pair of lateral support arms, one for each support member, each have one end pivotally attached to the lower portion of its respective support member and its other, opposite end pivotally attached to the chassis of the vehicle. A tube having a plurality of plates is releasably and adjustably attached to the lower portions of the support members for mounting a snow plow blade thereon.

Abstract: A mechanism for coupling an implement to an arm.

Abstract: A self-centering device for quick hooking and release of farm tools on to and off of a tractor provided with a hydraulic hoister. The device includes a first substantially triangular male element preferably coupled to the tractor, a second substantially triangular female element preferably coupled to the farm tool to be hooked. The first and second substantially triangular elements are coupable to each other and a coupling and releasing mechanism for coupling and releasing the two elements is provided, and is operable directly from the tractor.