Abstract: An improved implement attaching device for construction equipment is disclosed. The device has an implement mount link hinged to the arm of the construction equipment. A first bracket is provided on the rear wall of the implement and supports the link. A pair of key holes are provided on opposite sides of the first bracket. A pair of keys are provided on the link such that the keys are horizontally movable relative to the link to be inserted into or taken out of the key holes and thereby detachably attaching the implement to the implement mount link. The device also has a lever and a linkage for linearly moving the keys horizontally. The linkage achieves a pantographic motion in accordance with a turning motion of the lever and detachably attaches the implement to the link.

Abstract: A coupling system for connecting or attaching a working tool to the free end of a working arm. For example, a bucket, hammer, etc. can be easily attached to the end of an articulated arm on an excavator. The coupling system includes a fixed jaw and a movable jaw which is pivotable between open and closed positions. The movable jaw includes one or more tabs which extend through an opening in the coupler housing. Pins are used to lock the movable jaw in its closed position.

Abstract: A quick coupling device for connecting a work tool, such as a bucket, to an arm and a tilt link of a work machine includes a first hook arrangement connected to the arm and a second hook arrangement connected to the tilt link. Each hook arrangement defines a recess which engages a supporting pin connected to the work tool. An adjustable link is connected between the first and second hook arrangements and is adapted to apply a force to the hook arrangements to maintain engagement between the supporting pins and the recesses.

Abstract: An assembly for coupling an implement to an operating arm of a machine comprising a first component fixedly mountable on the implement, a second component connectable to the operating arm, one of the components having a slot in a side and bottom thereof, disposed substantially radially relative to a given axis, and the other of the components having a section receivable into the slot to position the components in coupling relation, the components having engageable surfaces permitting angular displacement and precluding axial displacement relative to the given axis when the components are disposed in coupling relation and retaining means disposable in abutting relation relative to the components when disposed in coupled relation for precluding angular displacement between the components relative to the axis.

Abstract: A power operator for use with a quick attachment device for front end loaders, which operates on existing manual levers that move locking mechanisms between locked and unlocked positions to either lock in place or release a loader attachment to the attachment frame. The actuator directly connects to pivoting portions of the manual levers and causes the levers to be moved under power between the locked and unlocked positions.

Abstract: The present invention relates particularly to an articulating mounting for positioning a rock saw for cutting rock, in particular for the building industry.Rock saw mountings are known which enable mounting of a rock saw blade to an hydraulic arm of a conventional excavator. Conventionally, the rock saw is mounted so it is fixed to either one side or other of the hydraulic arm. The angle of the rock saw relative to the hydraulic arm cannot be varied.The present invention provides a mounting which enables three degrees of freedom of motion of the rock saw, to enable it to be fixed at predetermined angles to make predetermined desired angular cuts into rock. The rock saw may be moved from one side of the arm to the other in order to cut trenches without it being necessary to reposition the excavator.The mounting may also be used as a support for tools other than a rock saw.

Abstract: An improved coupler assembly adapted for connecting a work implement to a prime mover. The main body portion of the coupler assembly has laterally spaced side plates, each of which includes first and second mounting-pin receiving slots having open mouths and apices. The mouths are adapted sequentially to receive first and second mounting pins secured to the work implement. The first slot is longer than the second slot, and the first slot incorporates a locating structure adapted to retain the first mounting pin within the mouths of the first slots before the second mounting pin is capable of being received within the mouths of the second slots. A locking sub-assembly having a rotator member extends laterally between the apices of the first slots. The rotator is mounted for rotation between a first and a second position. The rotator is adapted to engage the first mounting pin, when the rotator is in its first position, to retain the first mounting pin within the apices of the first slots.

Abstract: A quick coupling for attaching and detaching an implement, such as a bucket, pick or compactor, to the end of a boom or dipperstick of an excavator, backhoe, or other earth moving machine. The quick coupling is compatible with industry standard type hook-ups used on a bucket. The quick coupling is primarily a hook member, for receiving a front pivot pin on the top of the bucket or other implement, and a pivot pin assembly having axially movable end portions which move between a first position in which the end portions are contained within the main body of the coupling and the implement is detached, and a second position in which the end portions project from the main body and engage respective holes located on the implement and adapted to receive the pivot pin end portions thereby coupling the bucket or other implement to the end of the boom.

Abstract: A plow attachment for a forklift vehicle that has elongated cavities extending from the rearside of the scrapper blade to receive the lift arms of the forklift vehicle. A connecting link is used to hold the plow attachment on the lift arms, and the plow attachment includes adjustable elements that permit the plow attachment to be mounted on the lift arms at an angle.

Abstract: A high visibility coupler for front end loader implements that is selectively mountable to the extendable arms of a front end loader and is attachable to implements, such as a fork. The structure of the coupler is such that it has a plurality of parallel lift ribs, that are perpendicularly interconnected by cross ribs to form an open lattice type structure, thereby allowing the operator of the front end loader to easily see and manipulate the fork or other attachment, so that the object to be picked up can be easily and safely engaged.

Abstract: A coupling device for connection between the operating arm of an excavator and an implement (e.g. bucket) has upper and lower supports and a tilting device having a hinge with a tilt central axis and a transmission gear mounted to the upper and lower supports for tilting of the implement and the lower support part. The gear is a worm gear which has a segment of a worm wheel which is rigidly connected to the upper support and has its center coinciding with the tilt central axis, and a worm screw rotatably journalled to the lower support and rotated by a reversible hydraulic motor to effect tilting about the tilt central axis.

Abstract: A mechanism for mounting an earthworking implement such as a backhoe apparatus to a mobile frame of an off-highway machine. The mounting mechanism includes a support attachment that is connected to the frame for movement about a generally vertical pivot axis. The earthworking implement is carried by, and thus, movable with the support attachment. First and second drivers move the support attachment and thereby the earthworking implement in opposite directions relative to each other. Each driver has one end articulately connected to the machine frame and a second end connected to the support attachment by a pin aligning a second generally vertical axis that extends generally parallel to the pivot axis of the support attachment. A self-aligning bearing is captively carried by and between the second end and a respective pin of each driver to compensate for vertical misalignment between the first and second vertical axes without substantially increasing the distance the pivot axis is disposed away from the frame.

Abstract: In the operation of construction machinery, it is often desirable to be able to utilize a variety of implements on a single machine. While it extremely important to be able to attach and detach these implement very quickly, many mechanisms suffer trade-offs in a variety of design parameters. The coupling device of the subject invention utilizes a locking arrangement that provides a positive coupling force upon initial engagement of the device and maintains the positive force throughout the entire operation of each work implement. All of the components in the coupling device are maintained in linear alignment with the mounting components of the machine linkage to reduce the magnitude of operational forces transmitted therebetween and to provide a device that is extremely compact and versatile in design.

Abstract: A fluid-powered, laterally tiltable tool actuator. A tool has a pair of clevises, and an actuator has a generally cylindrical body with an output shaft rotatably disposed therein with an axis in general parallel alignment with a forward rotation plane through which the tool is rotatable on a backhoe arm by the operation of a rotation link. A bracket is attached to the body and has a pair of clevises for pivotal attachment to the vehicle arm and rotation link. The output shaft has a pair of shaft attachment members at each end for attaching the shaft to the corresponding tool clevises. The first pair of shaft attachment members is rigidly fixed to the shaft and attached to a first tool clevis. The second pair of shaft attachment members is pivotally attached to the shaft and pivots in a plane generally parallel to the longitudinal axis of the shaft.

Abstract: A coupling for a heavy-duty machine to be used between a boom and a stick having a working tool for quick coupling and decoupling of the stick to the boom for the exchange of tools and being operable from the cab or operator's station on the machine without requiring the need for one or more persons or machines at the coupling during the coupling and decoupling process. The coupling also includes a unique locking mechanism that can be remotely controlled to lock and unlock the coupling when they are in mating engagement. The coupling includes a male member attachable to the boom of the machine and a female member connected to the stick. The male member is pivotally mounted at one end on the boom and connected at the other end to a hydraulic cylinder on the boom for articulating the male member on the boom. The male member further includes a grabber at one end and a picker at the other end for interchangeable use to guide the joining of the coupler members.

Abstract: An assembly for coupling a maneuvering member to a working implement generally consisting of a first coupling component mountable on the working tool, a second coupling component mountable on the maneuvering member and cooperative with the first coupling component for selectively coupling the coupling components together, the first coupling component having an annular undercut portion providing an outwardly facing, beveled gripping surface, the second coupling component having a fixed gripping member and a moveable gripping member displaced relative to the fixed gripping member along a line of travel, the gripping members having arcuate undercut portions providing inwardly facing, beveled gripping surfaces engageable with the outwardly facing, beveled gripping surface of the second coupling component, means for selectively displacing the moveable gripping member relative to the fixed gripping member along the line of travel into a fully coupled condition of the coupling components and a fully uncoupled condit

Abstract: An arrangement for latching an implement to an implement carrier includes a lock formed from a J-shaped rod so as to have spaced, axially aligned pin-shaped latch components respectively located at the ends of short and long legs of the rod. The lock is reciprocally mounted to one of right and left carrier holders with the latch components being releasably received in transversely spaced sets of mounting openings provided in the carrier and in the implement. The lock includes a handgrip extending between the short and long legs of the lock and being located outwardly of the holder to which the lock is mounted so as to be easily accessible to an operator who can grasp the same and effect simultaneous movement of the latch components to detach the implement from the carrier.

Abstract: In the process of soil excavating work or like work with the use of excavators and loaders, it is becoming more usual to use different hydraulically functioning implements. It is often necessary to exchange these implements several times during a working day, necessitating the driver to connect and disconnect the hydraulic hoses involved manually, which can be a time-consuming task and one which is encumbered with the risk of oil spilling from the hoses and generally soiling the clothing of the workman involved, tools and the surrounding ground.

Abstract: A coupling device or "quick coupler" which permits the rapid connecting and disconnecting of implements to an earth-working device having a hoe boom comprising at least one primary lifting arm fitted for a hinge pin and a "curling linkage" mechanism having either two idler links and a power link, or a single part functioning as an idler link interacting with a power link, either alternative being powered by hydraulic cylinder(s) and fitted for a link pin. The quick coupler has a housing, which can be temporarily attached to the hoe boom using the hinge and link pins or can be built into the hoe boom itself, and which contains a connection for attaching the coupling device to a variety of implements. The effective operating distance or range of motion of the connector can be adjusted so that the coupler can be used with various implements having different center line distances between the hinge and link pins.

Abstract: A quick coupling apparatus for detachably securing an implement such as a bucket, air or hydraulic hammer, tamper or any other attachment to a vehicle having a lifting and tilting mechanism such as an excavator. The apparatus includes a pair of hinge plates secured to the implement and two associated link assemblies adapted for mounting on the lifting and tilting mechanism of the vehicle and which engage and disengage the hinge plates to detachably secure the implement to the vehicle.

Abstract: A coupler is provided for implementation on the boom of an excavator and adapted for receiving and coupling an arm or implement. The coupler is pinned to the boom through apertures and a pair of parallel plates. An actuating hydraulic piston is connected to the coupler through holes passing through another pair of plates. Attachment to the arm or implement is achieved by first engagement of a pair of slots with pins on the arm, and subsequent engagement of other slots with another pair of pins. The last mentioned slots have associated therewith a cam locking plate which closes the slot upon the pins to prevent removal.

Abstract: A quick disconnect apparatus for attaching tools to a tractor front loader is disclosed which aligns quickly and is easily engageable and disengageable by a single operator.

Abstract: A coupler is provided for implementation with front end loaders. A male face plate is connected to the arms of the front end loader, having spring biased and hydraulically released cams on the back surface thereof and maintained in juxtaposition to an aperture passing through the base plate. A female coupler portion is attached to an appropriate implement. The female coupler portion includes a pair of ribs having hooks at the top thereof for engaging the bridge pins of the male portion, and legs having cam pins extending from bottom portions of the ribs. The legs and cam pins pass through the aperture of the faced plate to make locking engagement with the cams.

Abstract: An improved blade tilt assembly is provided for adjusting the lateral tilt of a scoop or bucket mounted on a front end loader. The front end loader normally includes frame arms supporting the scoop at the front of the vehicle, in combination with at least one hydraulic lift unit and an hydraulic fore-aft pitch control unit. The blade tilt assembly includes a pair of hydraulic tilt units of reinforced construction, and connected between the frame arms and the scoop respectively at laterally opposite ends thereof. The tilt units are operated in tandem to respectively raise and lower the opposite ends of the scoop in substantially equal increments, thereby adjusting the lateral tilt angel of the scoop.

Abstract: An excavator or earth-working device comprising a forked dipper arm, a linkage and an earth-working implement pivotally connected to the forked dipper arm and linkage and articulatable about the free end of the dipper arm. The implement is attached to the dipper arm and linkage of the earth-working device by a so-called "quick-hitch" connection to allow interchange between various earth-working implements. A safety device may also be provided on the "quick-hitch" connection to prevent accidental detachment of the implement from the dipper arm and linkage.

Abstract: Tool mounting is effected by engagement of profiled parts of the end piece of the machine jib between a face of the tool and corresponding profiled parts of the tool. The profiled parts have ramps that are maintained in engagement by a locking mechanism exerting a transverse pressure so that the play is automatically taken up. The mounting is compact and favorable from a mechanical point of view in that the ramps, not the locking mechanism, carry the working load.

Abstract: A vibratory plow assembly 201 incorporates a vertical ground parting blade 202 with a front cutting edge 203 and a ripper tooth 208. The blade 202 is bifurcated rearwardly of the cutting edge 203, the blade 202 being formed by two spaced-apart side plates 214. The upper part of the plates 214 constitute a support frame which is pivotally connected by a pin 205 to a base plate 240. Attached rearwardly of the pivot pin 205 and preferably cantilevered beyond the plates 214 is a vibrator unit 232. The vibrator unit 232 when operational provides a vibratory frequency of between 5 Hz and 17 Hz to the ripper tooth 208 in both a vertical and arcuate path. The pivot pin 205 is preferably located above or forwardly of the cutting edge 203. The base plate 240 and support frame, by virtue of the vibratory unit 232, experience relative movement in the manner of a pair of jaws the mouth of which extends rearwardly.

Abstract: A latching mechanism for connecting a working implement to a front end loading tractor or other heavy load carrying machinery. The latching mechanism has a plate assembly, a pivotal coupling device, a cross rod mounted on the tractor, a latch device, and a locking device for releasably retaining a first and a second pivotable members. The pivotal coupling device includes a coupling formed on the plate assembly, and a receiver formed on the tractor for relatively rotatably receiving the coupling. The latch device includes the first and second pivotable members attached to the plate assembly to be pivotable between a first position and a second position. The first and second pivotable members define recesses having an opening for receiving the cross rod when in the first position. The opening is closed when the pivotable members are in the second position, to retain the cross rod received.

Abstract: A device for the quick coupling of a front work attachment on excavators, particularly for the quick coupling of excavator shovels, having two coupling plates (4, 4a, 20, 20a) at the free end (1) of the excavator boom (2) on the one hand and at the work equipment (3) on the other hand, provides a solution through which the consequences of appearances of wear at the locking elements in the coupling for receiving and changing a front work attachment for an excavator boom can be sharply reduced, wherein a quick coupling of the work equipment at the excavator boom is simultaneously ensured. This is achieved in that the locking element (18, 24) engages in at least one of the catch recesses (10, 25, 26) of the coupling plate (4a, 20a) in the coupling position.

Abstract: In order to quickly and easily provide a coupling of a drive fluid to a hydraulic cylinder of an accessory of an excavator, a part articulately connected with a dipper arm and a dipper ladle link of the excavator is also provided with one or more hydraulic couplings of a female type. The accessory to be coupled to the part is provided with the corresponding hydraulic couplings of a male type, so that on connection to the part the accessory after fixing, rotating and locking is also connected to a drive fluid. The hydraulic couplings are kept together by the accessory having been connected to the Joint means of the excavator. When the accessory is disconnected and removed, the hydraulic connections will also be interrupted.

Abstract: An improved quick coupler for attaching a tool to an excavator includes a body of a pair of spaced parallel plates providing structure for fixed attachment of the coupler to an end of the excavator. The plates define a first slot with an opening facing in a first direction to engage upon a first tool and a second slot with an opening facing in a second direction to engage a parallel second tool pin upon the tool. The body has a third plate between the spaced parallel plates. The coupler has a latch for securing the second pin in the second slot, the latch including a coupler gate rotatably mounted on an axis transverse to the second pin axis to pivot about the axis between a first position with the pin secured in the second slot by the gate and a second position with the gate clear of the second slot. A latch lever rotatably mounted on the coupler gate has a handle for moving the lever and a tab for engaging a third slot in the third plate.

Abstract: A construction machine having a mobile chassis, a boom mounted on the mobile chassis and capable of swinging vertically, and an arm pivotally connected to the boom. An accessory detachable mechanism connects to a tip end of the arm. An accessory is releasably held by the detachable mechanism. The mechanism includes a pivotal four-bar linkage defined in part by the arm. First and second attaching arrangements are associated with the mechanism and releasably engage respective first and second attachment parts provided on the accessory. The first attachment arrangement includes hooks which engage the first attaching part as defined by a connecting pin on the accessory. A pressure cylinder is associated with the mechanism to effect relative engaging or releasing motion between the first and second attaching arrangements.

Abstract: The subject apparatus is an improved coupling apparatus utilized for various work vehicles, on which is integrally disposed a front end functional member capable of a plurality of movements and work functions controlled by the operator of the work vehicle, such coupling apparatus comprising a connecting member which is comprised of an upright support member wherein such support member has parallel vertical slots to receive movable connecting arms from the work vehicle, along with a V-shaped guide on the upper portion to receive a portion of the device to be coupled to the coupler.

Abstract: An improved excavating bucket, having a pair of sidewalls, a rear wall, a floor portion and an open front portion for receiving material thereinto; a plurality of teeth members secured to the floor portion for digging into the material to be excavated; a finishing blade mounted to the bucket, the blade extending across a width greater than the width of the bucket opening, and having a forward edge for scraping; a raised channel formed on the upper face of the blade for engaging a plurality of the teeth members; sidewall members extending from the outer edges of the blade for engaging the wall of the bucket, for defining an uninterrupted travelling space for material into the bucket; and adjustable support rods able to be swivelly positioned between the blade and the bucket sidewalls to stabilize the blade mounted on the bucket.

Abstract: A grabbing device (14) of a type to be connected to an arm or boom of an excavating machine of the like is arranged as separate unit having coupling means for optional coupling thereof to the bucket or the like tool (33) arranged adjacent to or beyond the grabbing device. The grabbing device may be used both with the bucket attached and without same and the bucket or the like unit may be used coupled beyond the grabbing device or directly to coupling means of the arm or boom (1). Between the grabbing device and the coupling means of the arm or boom there is interconnected a rotation tilting apparatus (6) allowing swinging and tilting of the grabbing device (14) relative to the arm or boom (1) and its coupling means.