Abstract: The present disclosure is a lift attachment apparatus for construction and farm equipment, including a loader. In an embodiment of the disclosure, lift apparatus may include a frame including an attachment device configured to attach to a tilting plane of a loader having a forward facing loader arm, a pair of wheels connected to the frame, a first wheel of the pair of wheels located on a first side of the frame and a second wheel of the pair of wheels located on a second side of the frame. The lift attachment apparatus may further include a boom or forks connected directly or indirectly to the frame, wherein control of the boom or forks is provided by application of force to the attachment device by the forward facing loader arm in a downward direction to create lift and rotation of the tilting plane causing rotation of an end of the boom or forks about the first wheel and the second wheel. The first wheel and second wheel being mechanically aligned to act as a stable fulcrum.

Abstract: The invention relates to a hoist mechanism (20) intended primarily, but not exclusively, for moving a motor driven wheelchair or scooter into and/or out of the load carrying space of a vehicle. The hoist mechanism (20) comprises a lifting arm having, at least in part, a generally U-shaped cross section, and an actuator (28). A mounting point (56) for the actuator (28) is provided within the generally U-shaped cross section. The invention also relates to a stepless adjustment system suitable for use in such a hoist mechanism (20). The adjustment system comprises an inner section (34) received within an outer section (24) in a telescoping arrangement. The outer section (24) comprises first and second body portions (44A, 44B) provided with features for engaging corresponding features (48A, 48B) provided on the inner section (34).

Abstract: A utility vehicle having a collapsible game hanger apparatus includes a cargo box, a hitch receiver disposed under the cargo box and included in a rear structure, a hoist structure, a winch device, and a winch mounting bracket. The hoist structure consists of a base bar detachably attached to the hitch receiver, a mast attached to an end portion of the base bar, and a boom attached to an upper end of the mast. The winch device consists essentially of a winch detachably attached to a winch mounting bracket and a pulley unit for guiding the winch cable.

Abstract: The present disclosure is a lift attachment apparatus for construction and farm equipment, including a loader. In an embodiment of the disclosure, lift apparatus may include a frame including an attachment device configured to attach to a tilting plane of a loader having a forward facing loader arm, a pair of wheels connected to the frame, a first wheel of the pair of wheels located on a first side of the frame and a second wheel of the pair of wheels located on a second side of the frame. The lift attachment apparatus may further include a boom or forks connected directly or indirectly to the frame, wherein control of the boom or forks is provided by application of force to the attachment device by the forward facing loader arm in a downward direction to create lift and rotation of the tilting plane causing rotation of an end of the boom or forks about the first wheel and the second wheel.

Abstract: The present disclosure is a lift attachment apparatus for construction and farm equipment, including a loader. In an embodiment of the disclosure, lift apparatus may include a frame including an attachment device configured to attach to a tilting plane of a loader having a forward facing loader arm, a pair of wheels connected to the frame, a first wheel of the pair of wheels located on a first side of the frame and a second wheel of the pair of wheels located on a second side of the frame, the first wheel configured to be maintained parallel to the second wheel. The lift attachment apparatus may further include a boom connected to the frame, wherein control of the boom is provided by application of force to the attachment device by the forward facing loader arm in a downward direction to create lift and rotation of the tilting plane causing rotation of an end of the boom about the first wheel and the second wheel.

Abstract: A lift device comprises a mounting arm that includes a mounting member that is configured to be mounted to a structure. The lift device includes a vertical member having a lower end and an upper end spaced from the lower end along a first axis that is aligned with the vertical direction. A lifting boom includes a first end coupled to the upper end of the vertical member and the second end is configured to be secured to the object. The lift device includes a first actuation system disposed along the vertical member and configured to cause the lifting boom to rotate about the first axis. The lift device also includes a second actuation system configured to cause the lifting boom to rotate about a second axis that is perpendicular to the first axis.

Abstract: [PROBLEMS] To provide a rotating frame of an upper rotating body such that total productivity can be improved, the cost can be reduced, and model change can be facilitated. [MEANS FOR SOLVING PROBLEMS] Many models having different lifting capacities are divided into a plurality of classes each including a plurality of models. A rotating frame 17 is determined on the basis of the model having the largest lifting capacity in each class. An upper rotating body is constructed using the rotating frame 17 as the base. In addition, each of winches 5 to 7 is mounted on the rotating frame by using a mounting structure standardized in the same class. On the other hand, left and right deck frames 18 and 19 are divided into sections on which different pieces of equipment are mounted, and the sections are separately attached to the rotating frame 17.

Abstract: Portable vehicular hoist systems include a truss assembly having a joist member with forward and rearward ends, a pair of rafter members each having upper and lower ends, and a forward connection assembly for connecting the upper ends of the rafter members to the forward end of the joist member to allow for relative pivotal articulated movements therebetween. The rafter members may thus be pivotally moved between a stowed condition wherein the rafter members are oriented generally parallel to the joist member and an operative position wherein the rafter members extend downwardly and laterally outwardly from the joist member. A hoist assembly may be provided so as to be connectable to the joist member of the truss assembly to be supported thereby. The rearward end of the joist member and the lower ends of the rafter members may be removably attached to respective connection lugs rigidly fixed to a vehicle's structure, e.g., an aircraft fuselage at an opening therein.

Abstract: The hoist attachment for skid steer includes a base frame with a mounting bracket and ball joint brackets to securely mount the hoist attachment to the skid steer. A telescoping boom is pivotally mounted to the top of the base frame. A pipe rack may be disposed adjacent the top of the base frame to store pipes or additional equipment. Pairs of hydraulic and manual support legs are attached to the base frame to stabilize the hoist attachment during working conditions. The power source for the hoist attachment is directly supplied by the hydraulic system in the skid steers. The hoist attachment includes controls operating the primary winch, boom, and hydraulic support legs. The base frame also includes a plug to which a remote may be attached for remote operation, the plug being connected to an electrical power source.

Abstract: A slewing actuator system for rotating a boom structure comprises a cylindrical support member having lower and upper ends; a drive mounting member; gearing means comprising a gear assembly and at least one gear drive fixable to the drive mounting member and operatively connected to the gear assembly; and a boom support means to releasably secure the boom structure and operatively connectable to the gearing means. In an operating position, the boom support means is mounted proximate the upper end of the cylindrical support member and is rotatable about a substantially vertical axis; the gear assembly is substantially horizontal; and the gearing means imparts rotational movement to the boom support means. The system can include a pedestal surrounding at least part of the cylindrical support member, which can be a tube or kingpin. The compact modular system can be secured to various surfaces including ship decks and land surfaces.

Abstract: Boom of a laying mechanism of a bridge laying vehicle, the laying mechanism being composed of a placement arm and the boom. The boom includes a base member that can be fixedly secured to the vehicle by at least one securement device. A jib, especially with locking elements for locking a bridge element in place, is moveable relative to the base member. A pivot member is pivotably disposed on the base member, and the jib is pivotably disposed on the pivot member. Pursuant to the method for moving the boom into a vehicle transport position, the jib is pivoted about a pivot axis in the forward direction of travel by raising the pivot axis of the jib.

Abstract: A mobile concrete pump comprising a structural frame (14) mounted on the undercarriage (10) of a truck chassis (12), a boom stand (22) that is provided on the structural frame (14) and that is rotatable about a vertical axis (20) and a concrete distribution boom (24) configured in the form of multi-arm articulated boom (24). The concrete distributing boom consisting, for example, of six arms, which arms can rotate with respect to one another. In order to make possible the use of a distributing boom with a longer reach, a trailer (32) having its own undercarriage (34) is provided, said trailer being connected to the truck undercarriage (10) by a coupling member (36) in the transport condition. The trailer (32) has a pivot member (40) rotatable about a vertical axis (38) for receiving an arm set (42) that projects beyond the rear end of the truck undercarriage (10) in the transport condition.

Abstract: Provided as a hoist system for installing a plurality of panels of a panel set onto a building structure at a jobsite. The hoist system comprises a beam assembly configured to hoist the panels and sequentially offload the panels from the beam assembly onto the building structure. The beam assembly comprises an elongate hoist beam, a lifting lug, a plurality of trolleys mounted on one of the opposing ends of hoist beam, and a drive mechanism operative to reposition the lifting lug along the hoist beam such that the hoist beams maintain a substantially horizontal or level orientation.

Abstract: At an inner circumference side of a lower ring and an upper ring, flange pars are formed respectively, and a ring-shaped clamp device is arranged at the inner circumference side, and separated at four points, into a front side, back side, left side, and right side, and divided into four divided clamps. At the separation points of front and back sides, the left and right divided clamps are rotatably connected with each other, and at the separation points of left and right sides, the front and back divided clamps are connected to cylinders respectively. By the extension/contraction operation, the front and back clamps move between joint and separation positions, and if the front and back clamps position at the joint points, predetermined spaces are formed between the divided clamps. Lock blocks to be inserted into the spaces for regulating return of the divided clamps to the separation positions are provided.

Abstract: A construction machine includes a vertical separating/connecting device interposed between a lower traveling body and a swing bearing that supports an upper rotating body. The device includes an externally toothed ring member fixed to the swing bearing with a first attaching unit, a rotating unit that rotates the externally toothed ring member, an internally toothed ring member fixed to the lower traveling body with a second attaching unit positioned on an attachment pitch circle having the same diameter and center as an attachment pitch circle of the first attaching unit, and a fixing unit that fixes the externally toothed ring member or the internally toothed ring member. Internal teeth of the internally toothed ring member and external teeth of the externally toothed ring member are positioned so as to allow the movement of the external teeth or to engage with each other when the externally toothed ring member is rotated.

Abstract: The present invention relates to a mobile crane substructure with a crawler travel gear arrangement comprising a chassis frame and four individual crawler travel gear elements which are held on bearings located on the chassis frame. According to the invention, the mobile crane substructure is characterised in that the chassis frame comprises two transverse through-girders, with one of the individual crawler gear elements being attached at each end of said transverse through-girders, and in that said chassis frame further comprises a centre section of the frame, which centre section interconnects the two transverse girders.

Abstract: A rotatably mounted ring having external teeth which mesh with a drive pinion of a fixedly mounted slewing gear, has distributed over the circumference, alternately portions of the same length with recesses and portions of the same length with radially directed webs and can be coupled to a complementary ring in the manner of a bayonet fastening. The complementary ring has, both on the inside and on the outside, portions of the same length with recesses and portions of the same length with radially directed webs. The ring provided with the external toothing is provided with complementary recesses and webs.

Abstract: A swing drive assembly for use with a mining shovel having a frame rotatable relative to a base, wherein the swing drive assembly is fixed to the frame and engages a ring gear fixed to the base to rotatably drive the mining shovel frame relative to the mining shovel base. The assembly includes a swing girder having a top wall and bottom wall joined by a back wall. At least one strut having a top end extends upwardly from the top wall, and an attachment point is proximal said strut top end for fixing the swing drive assembly to the frame. At least one attachment point is proximal one end of the top wall, and at least one attachment point is proximal an opposing end of the top wall, wherein the girder is fixable to a mining shovel frame at each of the attachment points. Preferably, each attachment point is fixed to the mining shovel frame with at least one bolt. Most preferably, the swing girder is mounted to the frame, and hangs below the frame to engage the ring gear.

Abstract: A rotatably mounted ring having external teeth which mesh with a drive pinion of a fixedly mounted slewing gear, has distributed over the circumference, alternately portions of the same length with recesses and portions of the same length with radially directed webs and can be coupled to a complementary ring in the manner of a bayonet fastening. The complementary ring has, both on the inside and on the outside, portions of the same length with recesses and portions of the same length with radially directed webs. The ring provided with the external toothing is provided with complementary recesses and webs.

Abstract: An apparatus for reducing the axle load of a multiaxle movable crane which includes a truck; a superstructure rotatably mounted on the truck; a main jib including a basic jib and at least one telescopic section, the basic jib having a plurality of rollers fastened in operative connection, the main jib being releasably fastened to the superstructure; and a semitrailer having a front end and a back end with a loading area, a first ramp-like beam and a second ramp-like beam arranged in a longitudinal direction of the semitrailer in the loading area so as to be parallel to and at a distance from one another, each ramp-like beam having a top edge and a contoured runway disposed along the top edge, the rollers being configured to the contour of the runway and operable to transport the main jib from the superstructure to the semitrailer.

Abstract: A mobile crane includes a releasable coupling for connecting the upper and lower carriages together in a simple and rapid manner through a holding ring connected with the lower carriage and an axial cylindrical ring extension of an externally toothed ring which is rotatably mounted on the upper carriage. Both the holding ring and the ring extension are provided with ribs which interlock to transmit relative rotation and easily de-couple. A bayonet joint type of coupler ensures reliable coupling of the externally toothed ring with the holding ring.

Abstract: A self-contained, full-function, crane attachment for loading machines that is capable of quick release coupling with the standard bucket attachment mechanism of conventional loaders. The attachment comprises a wheel-mounted supporting frame equipped with two hydraulically driven outriggers to provide additional stability and with a control panel pivotally adjustable for comfortable use from the loader's driver seat. A horizontal boom platform is rotatably connected to the supporting frame through a vertical central axle and a generally horizontal hydraulic cylinder for adjusting the relative position of the two, so as to provide a lateral rotational degree of freedom for the platform of approximately 45 degrees in either direction.

Abstract: The invention relates to a collapsible lift trolley capable of occupying a compact collapsed position and a deployed in-use position. In accordance with the invention, the collapsible lift trolley comprises a base unit having a turnable wheel, two longitudinal stringers with an end hinged to the base unit to form a support frame when in the deployed position, a support rod upraised from the base unit, a lift arm having an end bent to be hinged on top of the support rod and the other end engaging a hook and a jack interconnecting the support rod and the lift arm for swinging the lift arm relative to the support rod.

Abstract: A lightweight, self-powered, transportable crane assembly is disclosed which includes a frame that can be selectively coupled to and uncoupled from the bed of a transport vehicle or carrier, such as a pick-up truck or trailer. The frame assembly also includes stabilizing legs which can be extended laterally from the frame assembly to stabilize the crane during use and further to allow the crane assembly to be self supporting apart from the truck or trailer. The crane assembly also can be coupled to a ballast structure such as a water tank or the like, to permit its use apart from the transport vehicle.

Abstract: A vehicle towing and lifting attachment mounted on a vehicle by clamps has a belt and bar support system for the vehicle being towed, a hydraulic piston and cylinder actuated arm engaging the support system and a locking means for the hydraulic piston and cylinder actuated arm when in extended position.

Abstract: The invention relates to the chassis of a public works machine, constituted by a central frame joined with two side-members.After assembly with the two side-members, the central frame constitutes a girder comprising a lower plate, an upper plate, two cross-plates, and two longitudinal plates, which plates are joined together as follows:each cross-plate to the upper plate, to the lower plate and to each one of the longitudinal plates,and the upper plate and the lower plate to the longitudinal plates, so as to constitute a closed compartment.The invention finds an application in the construction of a chassis for a mechanical shovel.

Abstract: The pivot shaft for the boom of a large mobile construction crane is located near the upper side of the boom base section and its opposite ends are journaled in heavy bearings mounted on vertical side supports rising from a boom turntable. To lock the boom to the boom pivot shaft for unison rotation in the pivot shaft bearings, a single locking pin is received through registering openings in the pivot shaft and a surrounding hub or pillow block fixed to the boom structure within the confines of an internal box support. A screw-threaded extension on the locking pin engages a nut on the exterior of the boom base section, the nut being floatingly constrained by fixed guide tracks which prevent nut rotation with the threaded locking pin while allowing limited lateral and angular adjustment of the locking pin.

Abstract: A crane has an upperstructure that is mounted on a carrier by a quick-disconnect turntable mounting. The upperstructure can be transferred from the carrier to a transport, and back to the carrier, by a system that does not require an auxiliary crane. A live mast on the crane is used for positioning a front lift assembly and a rear lift assembly for attachment to the upperstructure. The front lift assembly is connected to the upperstructure frame by boom foot pins, and the rear lift assembly is connected to the frame by the counterweight mounting mechanism. These lift assemblies enable vertical movement of the upper structure, and outrigger jacks on the carrier enable vertical movement thereof. Air pad assemblies are provided between the outrigger jacks and the surface supporting the carrier. These air pad assemblies can also be provided between the lift assemblies and the surface supporting the upperstructure.

Abstract: The upper works of a boom machine such as a crane is supported for rotation about a vertical axis on a lower portion of modular construction. The lower portion comprises a hub-like member having four leg module holders which are equidistant from said axis and spaced around it at uniform intervals and to each of which a leg module is detachably securable. To outer ends of the leg modules can be secured pad modules or extension leg modules that have ground engaging pads at their outer ends; or laterally opposite pairs of leg modules can be detachably connected to crawler modules. The hub-like member also has a pair of body module holders at opposite sides thereof, each laterally intermediate a pair of leg module holders, to which wheeled transporter modules can be detachably secured. Alternatively, with crawler modules installed, a hydraulic power module for energizing them can be secured to one body module holder.

Abstract: A material handling apparatus includes a base, an upper structure and a bearing for supporting the upper structure on the base for rotation about an axis. The bearing transmits radial, axial and moment forces from the upper structure to the base and has a first race connected to the upper structure and a second race movable as a unit with the first race. Means are provided for removably connecting as a unit the upper structure and bearing from the base and comprises a locking member, a lug and means for receiving the lug. Either the lug or the retaining means is fixed to the second race of the bearing and extends downwardly therefrom and the other is fixed to the bed. The retaining means has a pair of retainer portions which are spaced from each other to closely receive the lug therebetween. The locking member is slidably received in an opening through the lug and is removably received in apertures in the retaining portions.

Abstract: An improved method and combination facilitating interchanging attachments on an adaptable off-road vehicle characterized by, in addition to the usual vehicle and its controls, prime mover, power source, drive apparatus, steering apparatus and the like, a first portion of attachment apparatus carried by the vehicle including a plurality of mounting stations on respective front pair of elongate substantially horizontal tracks and front and rear pairs of vertical tracks; the tracks being spaced apart a first predetermined distance; each mounting station having a plurality of apertures that are laterally aligned for even mounting of the attachments; a plurality of attachments, each having respective second portion of attachment apparatus, each second portion including a pair of track engaging clevises laterally spaced apart the first predetermined distance and having a plurality of apertures adapted to align with the apertures at the mounting stations; a plurality of pins for inserting through the aligned apertur