Abstract: The current invention is a universal anchor for use with both ring clutches and bail lift clutches. The invention includes an anchor with a nail-shaped head on one end of a shaft and a flattened plate with at least one perforation through the plate on the other end of the shaft. When embedded in concrete with the nail-shaped head exposed, the anchor is available for engagement with bail lift clutches. When embedded in concrete with the perforated plate end exposed, the anchor is available for engagement with ring clutches. In this manner, one universal anchor may be used regardless of the type of clutch available.

Abstract: The anchor rod (2) has a lateral bulge or projection (5) running along its length and constituting an anchoring element for providing anchoring in a direction perpendicular to the longitudinal direction of the rod (2). Such an anchor is applicable to lifting and handling panels, in particular panels made of reinforced concrete.

Abstract: A pair of high-quality material threaded nuts are secured to a trench plate for subsequent placement of a hoist ring thereto.

Abstract: A high load capacity hoist ring assembly that can be installed to achieve the required tensile value in the mounting shank member without the use of a torque multiplier or hydraulic tensioning device. The assembly comprises a shank member, a compression member, a lifting loop having a transversely disposed pivot structure captively engaged by a retainer flange. Uniquely the retainer flange includes a plurality of threaded holes adapted to accept bolts which when torqued with a conventional torque wrench combine to achieve the required tensile value in the mounting shank. Load Capacity ratings start at about 10,000 lbs and can well exceed 100,000 lbs.

Abstract: The invention relates to a coupling element which can be coupled to a lifting element of an object to be lifted. The coupling element is provided with a remote-controllable locking element, which in a locking position is designed to prevent disconnection of the coupling element and the lifting element connected thereto. A rotatable driving element, which is in engagement with the locking element, is fitted in the inside of the coupling element. The rotatable driving element by means of a control element can take the locking element into or out of the locking position.

Abstract: A hoisting assembly is comprised of a hoisting element and a coupling element. The coupling element comprises a housing and a closure element. An anchor-accommodating space is arranged in the housing which can in a close-fitting manner accommodate an anchor which is attached to an object to be lifted. With such a hoisting assembly the hoisting force is transmitted to the free end of the anchor without the hoisting assembly damaging the object to be lifted.

Abstract: A tool for quickly coupling a crane hook to a dovetailed socket attached to a load consists of a heavy frame with a plate that pivots out on bushings near the lower end of the frame. Both the frame and pivoting plate have outward slanting surfaces at the lower ends that engage the dovetailed socket when the plate is pivoted up against the frame and they are locked together by a crane hook passing through aligned holes through both the plate and frame.

Abstract: A device for assembling prefabricated concrete parts has a cable loop anchored at one end to the prefabricated concrete part. The other loop-like end cooperates with a retaining means provided at the front face of the prefabricated concrete part to elastically bend the cable loop approximately at right angle during the fabrication of the prefabricated concrete part, and to release it for assembling. An elongated, U-shaped box (1) having a substantially uniform cross-section is provided as retaining means. The bottom (2) of the box has one or several passages (4) for the cable loop (5) and means arranged in the area of the passages (4) to retain the cable loop (5) perpendicularly to the longitudinal extension of the box (1).

Abstract: A device for lifting prefabricated components, particularly made of concrete, or the like, comprising an anchoring element which forms a female seat of a bayonet coupling device and can be embedded in a component proximate to a perimetric side of the component so that the opening for access to the female seat is directed outward, and an engagement element which has a male end of the bayonet coupling device and can be coupled to the female seat. The engagement element, with the male end coupled to the female seat, protrudes from the female seat with a portion which forms an engagement region for lifting equipment.

Abstract: In a side-pull hoist ring having a load carrying ring, a clevis pivotally supporting the load carrying ring for rotation about a first axis and a post assembly extending through the clevis and fixedly engageable with a threaded bore on a load for allowing 360.degree. rotation of the clevis about a second axis generally perpendicular to the load. The post assembly includes a lower support bushing with a large diameter lower load bearing flange and a bolt receiving passageway coaxial with the second axis; a bolt extending through the passageway into the threaded bore of the load where the bolt has a head carrying an upper flange member coacting with the lower flange to capture the clevis and a shank. There is a first cylinder groove in the passageway and a second cylindrical groove around the shank. The grooves are axially aligned when the lower flange and the upper flange capture the clevis.

Abstract: A hoist ring assembly for transporting loads, including an anchor bushing that is threaded into the load and forms the pivot for a releasable swivel hanger assembly with a shackle connectable to an overhead hoist. The swivel hanger is easily attachable to and detachable from the anchor bushing to expedite load movement. The hanger swivels on the anchor bushing in a side-pull or center pull action and has diametral retractable locking pins that enter the anchor bushing in the attached mode that when retracted permit the hanger to be rapidly removed from the anchor bushing.

Abstract: A hoist assembly having a swiveling head with a pivoting shackle. A lift swivel is captured by a housing and is rotatable relative to the housing. A shackle assembly including a hoist ring is fastened to the lift swivel. A lift bolt is threaded into the housing opposite the shackle assembly. The lift bolt includes an axially extending shaft for threading into a corresponding hole in a structure to be lifted. The end of the shaft in the hole is expandable to lock the shaft in the structure hole. A retainer such as a snap ring, or a jam ring and setscrews may be provided to securely lock the lift bolt to the housing. The lift bolt is threaded into the housing by a tool extending through the lift swivel or from the opposite end.

Abstract: A hanger assembly for attachment to heavy loads in material handling systems such as overhead conveyors where the hanger must be angularly aligned with the conveying element such as an attached cable. The hanger includes a base, a threaded stud for load attachment, and a hanger such as the eye in an eyebolt assembly, an example of a hanger assembly. A washer positioned around the threaded stud between the base and the load is hardened substantially less than the hanger itself enabling the hanger to be rotated up to 180 degrees after initial tightening without over torquing the threaded stud. The washer has a plurality of radial slots in one face that maintain the structural integrity of the washer under high rotational and compression loading.

Abstract: An improved safety hoist ring assembly. Fewer and simpler parts are used in the assembly, as compared with the prior art safety hoist rings. It can be easily assembled and disassembled without the use of tools. The assembly includes a lift stud member, a bushing member, a retainer element, a U-bar member and a clevis pin element. The cylindrical bearing surface of the lift stud member is axially received in and retained within the central bore of the bushing member by the retainer element. The external diameter of the retainer element is less than the external diameter of the bushing member. The retainer element is thus sized to pass through any bore in an object to which the bushing member is to be attached. The external surface of the bushing member is provided with some mounting mechanism, such as a thread, which mounts the bushing to an object which is to be lifted.

Abstract: The invention relates to a ductile-failure anchor (2, 32) for concrete elements (3, 39) used in construction. Each anchor (2, 32) includes a plug (4, 34) attached to a securing element (5, 5a or 55) and secured within each concrete element (3, 39). The securing element may included folded bars or a strap 5a. The securing element (5, 55) is placed about the plug (4, 34) and either secured in place (a first option) or held in position about the plug (4, 34) by supports 38 (second option). Each securing element (5, 55) includes at least two regions (10), each region (10) being of a pre-determined length and cross-sectional area. When the anchor (2, 32) is overloaded each region (10) fails in a ductile manner before the burst strength of any part of the concrete element (3, 39) is reached.

Abstract: A lift pin insert assembly is releasably mounted upon a mold member for casting a manhole section. The mold is filled with concrete, which surrounds and embeds the insert assembly in the cast member. The insert is configured to receive a lift pin, which is automatically moved to a locked position when a lifting force is applied. The insert assembly includes a reinforcing support assembly having at least a face plate and a metal rod of suitable thickness engaging the insert, and anchored either to the face plate or an additional support plate. The support assembly distributes the forces applied by the lifting force to the cast member substantially uniformly over a large surface area, significantly increasing the weight load capable of being lifted by a given lift pin without increasing the size and/or diameter of the lift pin and blocks the lift pin from sliding out of the insert when the cast member is lifted by the lift pin.

Abstract: For lifting loads there is provided an eyebolt with an annular ring swivelly mounted on a stud so as to freely rotate in a horizontal plane through a full 360 degrees. A lifting loop has oppositely disposed pivot pins in swivel engagement with the annular ring to allow the loop to pivot in a vertical arc as well as to rotate about the stud. The stud in turn is adapted to be anchored in fixed position to the load, whatever the load may be. Circumferential grooves are cut in the solid pivot pins adjacent the ends thereof. The pivot pins are received in a diametric bore in the retention ring. Bores in the body of the retention ring are positioned to align with the circumferential grooves. Solid dowel elements inserted in these bores engage with the circumferential grooves and retain the pivot pins assembled with the retention ring.

Abstract: A universal hoist assembly for lifting large, heavy, structures. The assembly basically includes a housing which captures the base of a lift swivel while permitting free rotation of the base. An upright extension of the base extends out of the housing and has a transverse aperture through which a shackle is fastened. This arrangement permits the shackle to pivot and the extension to freely rotate, so that a lift can be conducted with structures of widely varying configurations without danger from sideloads on the lift assembly. Preferably, the base is either disk-shaped and housed in a corresponding recess for rotation in a plane or has a spherical exterior shape in a corresponding recess to permit rotation plus pivoting in any direction. The assembly may be fastened to a structure by a single central threaded bolt fastened to the housing and threaded into the structure or extending through a structure wall to a nut or by several spaced bolts.

Abstract: A hoist device for fixed engagement to a threaded bore on an outer surface of a load member is provided. The hoist device comprises a load engaging stud with a force supporting head, a cylindrical body portion with a lower annular bearing shoulder and a threaded shank depending from the annular shoulder of the body portion. A base member having a body portion with a central passage through the base member and allowing a free swivel engagement of the base member with the load engaging stud is provided. The central passage of the base member, having an upper recess for capturing the force supporting head and an upper annular shoulder for transmitting a force from the base member to the supporting head when the base member is pulled from the load member is also provided. A hoist ring is secured between the support member and the base member while allowing the base member to swivel around the stud. A slot in one of the members captures the hoist ring while allowing the hoist ring to pivot in the slot.

Abstract: A lifting device for a steel structure includes a releasable or integrally formed pin to which a shackle or spreader bar assembly can be secured thereby removing the need for conventional bollards or inset sheaves. The lifting device includes stub members, extending from a column member of the device, which secure the device to the steel structure.

Abstract: A concrete artifact handling assembly which includes a threaded socket embedded and anchored in the concrete artifact at least three diameters below the surface thereof, and a safety hoist ring threadably received in the threaded socket and snugged down against the face of the artifact. The thread element of the socket generally having a round thread form.

Abstract: A lifting ring having a lifting shackle and a yoke for coupling to the head of an anchoring device, the yoke being pivotally mounted to the bottom portion of the lifting shackle which is formed with two toroidal surfaces. The lifting shackle is formed with an eye which opens out onto the toroidal surfaces, the eye having two coupling faces and two inclined faces forming abutments that limit the relative motion possible between the yoke and the shackle.

Abstract: The lifting ring includes a shouldered spindle 1 on the threaded body 2 of which a base 3 is screwed and locked by glueing. A crossmember 4 rotates freely on the body 2, thus being held between the internal face 5 of the base 3 and the bottom 6 of the head 7 of the spindle 1. The branches 9,9' of a shackle 10 respectively rotate on the lateral bearing journals 8, 8' of the crossmember 4. The support of each branch 9, 9'on the associated bearing journal 8, 8' is provided by a retaining ring 11 with a circular section fully engaged in a throat with a semi-circular section fitted on the periphery of the bearing journal.

Abstract: With a view to being placed about the head of a lifting bolt placed in a hemispherical recess in a concrete building element, the load-engaging device for hoisting the concreted building element comprises a body having a spherical surface. An arm having an abutment surface protrudes from the body and is used for turning the body in the recess. The body further comprises an inverted T-shaped slot extending through approximately 180 degrees along the spherical surface of the body. This T-shaped slot is adapted to receive the head of the lifting bolt. A central slot extends approximately diametrically through the body and opens into the inverted T-shaped slot. A bolt placed eccentrically about the abutment surface extends across the central slot and is secured in bores in the body. A connecting member is placed in the central slot and retained by the bolt. This load-engaging device prevents the head of the lifting bolt from being released from the device when the concrete element is being hoisted.

Abstract: A coupling device for coupling a cable of a lifting device to a prefabricated component has a receiving member for receiving the cable and a fastener for connecting the receiving member to the prefabricated component such that the receiving member is rotatably supported at the prefabricated component. The receiving member is embodied so as to rest at the surface of the prefabricated component. The receiving member has a cable guide portion for guiding the cable. The cable guide portion extends substantially parallel to the surface of the prefabricated component and is located directly adjacent to that surface. Preferably, the receiving member is in the form of a plate and the cable guide portion is arc-shaped.

Abstract: A pipe lifting steel wire cable sling and lift device principally for lifting concrete pipe sections provided with a central lift aperture through their wall, the sling having a centering ferrule about a lift ferrule for guiding the sling cable through the lift aperture and the lift device including a long handled slotted plate having a flared opening to its slot and being curved to conform to the interior of the pipe section to be lifted, the plate being backed by a matching slotted back plate having a pocket region at the end of its slot for holding the lift ferrule therein during pipe lifting operations.

Abstract: An end link and swivel assembly for chaincables, wherein the end link comprises a drilled head followed by a threaded pin which is rotatingly mounted on a passage formed at the link and secured by an adjusting nut. The pin and nut threads are of the rounded corner type, wherein between the pitches and roots thereof essentially planar flank regions as contact surfaces are defined. Therefore, the pin and nut may be manufactured by casting.

Abstract: A swivel coupling device for coupling a load to a base member. The device includes an anchor unit securely connected to the base member, a rotary member, which is rotatably journaled in the anchor unit and is provided with oppositely located recesses having pivot bearing surface portions, and a pivotable coupling member, which is provided with inwardly bent leg end portions. The leg end portions have retaining projections and are pivotably journaled in the pivot bearing surface portions. In addition, the anchor unit is shaped so as to securely hold the end portions of the coupling member within the oppositely located recesses. The coupling member is detachable from the rotary member when the anchor unit is disconnected from the base member.

Abstract: An apparatus for connecting a lifting mechanism to a load, the apparatus comprising a hollow annular body having a radial slot extending from the periphery of the body inwardly toward a central aperture. An arcuate bolt is operatively movable within the cavity of the body between a closed position wherein the bolt traverses the slot and thereby engages the load and an open position wherein the bolt is clear of the slot and, thus, disengaged from the load. At least one connector link and an actuating link lock the bolt in the closed position until the actuating link is operated on by a release mechanism.

Abstract: An improved insert anchor assembly which provides a lifting clevis is disclosed. A novel void former comprising a body and plug to completely surround the lifting clevis is also disclosed. An improved hoisting attachment capable of complimentable receipt within the recess created by the void former is further provided.

Abstract: A latching device which is lever operated sequentially to actuate a set of collet fingers to provide a radial expansion and to actuate a force mechanism to provide a compressive gripping force for attaching first and second devices to one another. The latching device includes a body member having elongated collet fingers which, in a deactuated condition, are insertable through bores on the first and second devices so that gripping terminal portions on the collet fingers are proximate to the end of the bore of the first device while a spring assembly on the body member is located proximate to the outer surface of a second device. A lever is rotatable through 90.degree. to move a latching rod to sequentially actuate and expand collet fingers and to actuate the spring assembly by compressing it. During the first 30.degree. of movement of the lever, the collet fingers are actuated by the latching rod to provide a radial expansion and during the last 60.degree.

Abstract: A device for temporary retention of a lifting element on a metal surface of a form during the concrete pouring and setting phases of a prefabricated concrete member includes a part which is designed to form a depression in a concrete section and is equipped with magnets for attachment to a metal surface of a form. The device includes a part having a flat face, a recess terminating at a face opposite the flat face and orthogonal thereto desinged to permit passage with sealing action of a lifting element, and a slot terminating in the flat face. A locking element is mounted in the slot and pivots around an axis transverse to the slot. The locking element has a hook which forms a bolt designed to ensure retention of a free end of the lifting element when the locking element is in an unlocked position in the slot.

Abstract: An improved insert anchor assembly which provides a lifting clevis is disclosed. A novel void former comprising a body and plug to completely surround the lifting clevis is also disclosed. An improved hoisting attachment capable of complimentable receipt within the recess created by the void former is further provided.

Abstract: A lifting attachment for use with a retaining wall panel for earthen formations. The attachment comprises intersecting plates adapted to complementally engage the top and side surfaces of the panel. A fixed pin on one plate is receivable in an opening provided in the side surface of the panel. A removable pin is extensible through the other plate into an opening formed in the top surface of the panel.

Abstract: An improved insert anchor assembly which provides a lifting clevis is disclosed. A novel void former comprising a body and plug to completely surround the lifting clevis is also disclosed. An improved hoisting attachment capable of complimentable receipt within the recess created by the void former is further provided.

Abstract: Load ring assemblies are disclosed which can be releasably connected to a load and provide a load ring mounted for pivotal movement so that the load ring can align itself with a connecting force applied thereto. The assembly includes a mounting member formed with a central flange intermediate its ends and cylindrical extensions extending in both directions therefrom. A pivot collar or ring is journaled on one extension for pivotal movement about the longitudinal axis of the mounting member. A U-bar or load ring is pivoted on the collar for pivotal movement about a second axis perpendicularly intersecting the first axis. Therefore, the load ring is free to pivot relative to the mounting member into alignment with a force applied thereto. The other extension is provided with a locking system having a plurality of peripherally located locking elements which are radially movable between an extended locking position and a retracted release position.

Abstract: A recess plug for positioning lifting anchors in precast concrete panel includes first and second hollow plug halves having complementary, frictionally-engaging mating surfaces, and also having pairs of projecting bosses positioned to overlap, when the plug halves are joined together, such that holes therethrough are in registry to receive nails therethrough for locking the plug halves together in enclosing relation with the head of an anchor as they are mounted on a vertical formwork wall. The plug halves also include boss portions for attaching a reinforcing bar to the plug assembly so that the reinforcing bar is properly positioned relative to the anchor held by the recess plug to bear the stresses applied to the anchor when the panel is lifted by the anchor. Each plug half includes a rear wall having a notch which forms an opening with the notch in the mating plug half sized to receive the shank of an anchor therethrough.

Abstract: An elongated metal apparatus which comprises at least one longitudinal gripping member and preferably a pair of longitudinal gripping members in spaced apart relationship, which are anchored to a slab of concrete and can be used in conjunction with a forklift to physically lift and move the slab of concrete to another location to thereby expose the area beneath the concrete. The apparatus enables a user to remove a section of concrete without the necessity of breaking up and discarding the section of concrete and having to subsequently re-pour the concrete. The apparatus includes a central tunnel or channel for receiving a fork of a forklift, a pair of side members which permit the apparatus to be affixed to the concrete using anchor bolts, and a pair of covering members which cover the area of the anchor bolts to prevent then from flying out and injuring someone if one or more of the anchor bolts should shear loose during the lifting or moving process.

Abstract: A coupler for hanging a prefabricated concrete body on a hoist. The connecting hook member has an arcuate slot and is provided on one end with an entrance opening for the slot, in which the connecting bolt head of an anchor bolt can be inserted. The connecting hook member is constucted as a hemispherically shaped component, on whose top side a hook pivot eye is attached, which is engaged pivotally with the suspension shackle in the shackle pivot eye. On the one side of the hook pivot eye the entrance opening formed as a mouth of the slot is positioned on the top side of the hemispherically shaped component. On the other side of the hook pivot eye the operating lever is positioned extending substantially radially. The hook pivot eye may be positioned in the plane of the slot. In this case the operating lever reaches a limit of its motion by contact with the bridging member of the suspension shackle. The hook pivot eye may however also be oriented perpendicularly to the slot.

Abstract: A lifting attachment for lifting a heavy load comprises a generally cylindrical member (7,30) which may be a post passing through a hole in the load, or a sleeve fitting over a post (6) fixed to the load. To retain a lifting sling, the member (7,30) has a radially projecting retaining flange (8), that extends circumferentially at least partly around it; the flange (8) has a curved shaped with wings (12) curving upwardly from its lowermost portion, so that an increasing amount of the flange (8) contacts the sling as the angle of approach of the sling to the sleeve becomes more acute. The flange (8) and member (7,30) may be a re-usable one-piece casting. Apparatus is also provided for test-loading the lifting attachment.

Abstract: A coupler for hanging a prefabricated concrete body on a hoist. The connecting hook member has an arcuate slot and is provided on one end with an entrance opening for the slot, in which the connecting bolt head of an anchor bolt can be inserted. The connecting hook member is constructed as a hemispherically shaped component, on whose top side a hook pivot eye is attached, which is engaged pivotally with the suspension shackle in the shackle pivot eye. On the one side of the hook pivot eye the entrance opening formed as a mouth of the slot is positioned on the top side of the hemispherically shaped component. On the other side of the hook pivot eye the operating lever is positioned extending substantially radially. The hook pivot eye may be positioned in the plane of the slot. In this case the operating lever reaches a limit of its motion by contact with the bridging member of the suspension shackle. The hook pivot eye may however also be oriented perpendicularly to the slot.

Abstract: An apparatus for lifting precast concrete panels includes a lifting body having a forward portion adapted to engage in an anchor head, a latch yoke pivotally connected to a rearward end of the lifting body and including a safety latch cooperating with the forward portion to lock an anchor head to the forward portion, a release yoke pivotally attached to the lifting body and including a cam roller for urging the latch yoke to pivot to a release position, and a lifting bail pivotally attached to the forward portion. The lifting body includes a safety pin block extending upwardly from a rearward portion thereof adjacent to the rearward end of the latch yoke. The latch yoke and safety pin block include bores which are in registry with each other when the apparatus is oriented to a locked position. A safety pin is inserted into the bores and prevents relative pivotal movement between the latch yoke and lifting body, and is removable from the bore by a lanyard which is pulled by a worker.

Abstract: The device is an improved hoist coupling for use with anchors having an anchor shaft terminating in an anchor head and embedded in a concrete load in such a way that a portion of the anchor shaft and the anchor head is exposed and protrudes from the concrete body. The couple comprises a coupler body having an underside which is oriented towards and is seated against the load to be lifted, a socket formed in the upper side of the coupler body, in which socket is defined a ring bearing surface, and a hole in the underside of the coupler body opening into the socket for receiving the head of an anchor.

Abstract: Workpieces to be machined by a machine tool are taken from pallets by a loader-unloader, which subsequently deposits the machined workpieces on pallets. To simplify the handling of the pallets and to reduce the nonproductive times, a pallet support is provided with a first stack station for supporting a stack of pallets carrying workpieces to be machined and with a second stack station for supporting a stack of pallets for receiving machined workpieces. The loader-unloader is operable to lift an empty pallet from the top of the first stack and to transfer said empty pallet to the second stack station.

Abstract: A hoisting assembly with a quick-release shackle for the connection of a hoisting harness to an anchoring member embedded in a precast concrete building element, for the tilt-up and transport of the latter, the assembly comprising a ring part reaching through the central opening of the hoisting shackle and a link plate attached to the ring part at a split hub portion of the ring part which is welded after insertion into the hoisting shackle. The link plate, oriented perpendicularly to the ring part, is attached thereto by means of a weld, or by means of an internally threaded axial extension engaging a male thread on the hub portion of the ring part. The link plate extension may include a threaded sleeve and a connecting screw about which the link plate is rotatable.

Abstract: A hoisting anchor assembly to be embedded in a cast panel member of the type used as prefabricated building components. The anchor assembly includes an anchor head for receiving a hoisting unit such as a lifting shakle. The anchor head is retained within the panel member by an anchor in the form of an arcuate rod having a 180 degree bend with both ends of the rod being rigidly secured to the anchor head. The panel member is fabricated by horizontally casting a bottom panel section and positioning at least two of the anchor assemblies over the bottom panel section in a spaced-apart relationship with the anchor heads being disposed adjacent the position where the end of the panel section will be formed. A top panel section and a plurality of spaced-apart web sections are then cast over the bottom panel section, with the anchor assemblies being embedded in the web sections.

Abstract: A screw-in fastener for an anchor embedded in a precast concrete element includes a coupling member, to which a transport anchor is applied, a threaded pin insertable into the anchor positioned within the concrete element, and a supporting plate, from which the pin outwardly extends. The supporting plate has a circular end face supported against the upper surface of the concrete element.

Abstract: The present invention relates to a lifting wedge which is intended in particular for lifting a paper roll in the vertical position, and which is made up of a substantially cylindrical lifting wedge part (1) having the cross sectional shape of the core hollow of the paper roll, a lifting belt (2) fitted to the lifitng wedge, and friction surfacing (3). The lifting wedge accompanies during transport the roll to be lifted.Previously known lifting devices of this type consist of lifting belts which are passed around paper rolls in the vertical position. The assembling of the belts and fitting them around the rolls is relatively difficult.The lifting wedge part (1) according to the invention is divided in its longitudinal direction preferably into three wedge-shaped sections. The lifting belt (2) encircles that wedge section which has a larger cross sectional surface in its lower part, and forms a lifting loop above the wedge section.

Abstract: A device for attaching a lifting cable to a load. Lifting forces are imparted through a pair of inclined surfaces of the device which surfaces engage like surfaces on the load being lifted. A main member houses positionable member which has one of the inclined surfaces thereon and may be rotated for insertion below an inclined surface on the load. The main member has the remaining lifting inclined surface thereon. A locking member is slidably mounted on a main member of the device and gravitates into a position whereat the positionable member is prevented from movement. The lifting cable passes through openings in the movable, locking and main members of the device. A bolt equipped clevis may be coupled to said members.

Abstract: An apparatus for lifting precast concrete panels includes a lifting body having a forward portion adapted to engage in an anchor head, a latch yoke pivotally connected to a rearward end of the lifting body and including a safety latch cooperating with the forward portion .Iadd.of the lifting body .Iaddend.to lock an anchor head to the forward portion, a release yoke pivotally attached to the lifting body .Iadd.for movement between locked and release positions .Iaddend.and including a cam .[.roller for urging.]. .Iadd.effective during movement of the release yoke to its release position to cause .Iaddend.the latch yoke to pivot to a release portion, and a lifting bail pivotally attached to the forward portion. The .[.lifting body.]. .Iadd.release yoke .Iaddend.includes a safety pin block extending .[.upwardly.]. from a rearward portion thereof adjacent .[.to.]. the rearward end of the latch yoke.