Abstract: A vertical or block chain connector for linking between two closed chain links includes a lower element and an upper element configured to engage with the lower element to form the chain connector in an assembled condition. In use the lower element is disposed vertically below the upper element in the assembled connector. The upper element is a sliding fit with the lower element and the direction of the sliding connection is in a straight line perpendicular to the longitudinal axis of the connector and in a plane which is parallel to the horizontal axis when the connector is vertically oriented in use.

Abstract: A conveyor chain includes a plurality of side link assemblies and flight arm assemblies coupled together to form an elongated chain. The flight arm assemblies include a pair of opposing flight arms positioned on either side of the chain with the flight arms each including an elongated body formed with and extending from an integral base and a vertical sprocket opening formed in the integral base. The vertical sprocket opening is configured for engaging a tooth of a drive sprocket to drive the flight arm. The side link assemblies include a pair of opposing side straps positioned on either side of the chain each including a base and a pair of side strap bosses extending outwardly from the base.

Abstract: A thrust chain device that induces an open thrust chain with a thrust portion and a housing portion, a thrust chain guide on a thrust portion of the thrust chain, a driving sprocket provided with teeth interlocking with the thrust chain, and a storage space of the housing portion, is provided.

Abstract: A number of dolly assemblies are connected in series with chain linkage sections to form an endless conveyor chain for the dolly assemblies to move objects along a track. Each dolly assembly includes a link attachment and a wheel assembly supported by the link attachment. The link attachment includes a base and a body portion. The body portion presents an open-loop partially surrounding an interior and extending between a pair of ends. The ends are spaced from one another to define an opening to the interior therebetween. The pair of ends are also formed in toward the interior to partially surround a respective pocket. Each pocket is configured to receive a portion of an endlink of a respective chain linkage section therein, and each one of the formed ends functions to prevent the endlink of the respective chain linkage section from becoming unhooked from the body portion.

Abstract: Adaptable clevis kits may be used when calibrating crane scales, dynamometers and tension links for force calibration laboratories. An adaptable clevis kit may include one set of devises (one pair) with multiple sets of pins with different diameters. With this kit, the same set of devises may be used for calibrating several models of instruments. For each instrument, the pin may be designed with the same diameter that the manufacturer originally made the equipment and reported on its specification sheets. With this method, the error due to difference in pin sizes is eliminated, and the laboratory may save the cost of purchasing dozens of different devises. The adaptable clevis kits may also be provided with a guiding table that help the user find the right size pin for the instrument being calibrated based on the manufacturer's original design.

Abstract: The Invention relates to a Kenter shackle for anchor chains, at least comprising two half elements which can be coupled to one another and a coupling piece element that can be introduced between the half-elements wherein the half elements each have an L-shaped or J-shaped configuration, wherein the external toothing having a plurality of parallel toothing planes is formed at the end of a short connection leg and wherein a receiving chamber is formed at the end of a long connection leg, having an internal toothing with a plurality of parallel toothing planes, into which the external toothing of the short connection leg engages, and wherein the connection legs are connected to one another via a curved clasp. In addition, the receiving chamber in the long leg is extended by means of a cavity above the end side of the external toothing of the short leg and/or above the uppermost toothing plane of the internal toothing pointing towards the clasp.

Abstract: The Invention relates to a coupling piece element for a Kenter shackle for anchor chains, which shackle comprises two half elements which can be coupled to one another and between which the coupling piece element can be inserted. The coupling piece element has a base body with at least one transverse borehole. Furthermore two securing bolts are provided, which are mounted in at least one transverse borehole in the base body and can be slidably moved outwards by means of at least one spreader element. The laterally protruding ends of the securing bolts are spherical or conical in shape. The base body has protrusions and/or recesses on its side surfaces facing the half elements for positive guidance on the half elements.

Abstract: A Irreversibly Locking Clip. The clip has a hinged latch that pivots from an open position to a closed position, similar to a conventional caribiner. The clip provides the structural strength and durability of a caribiner or shackle. The clip includes one or more spring-loaded pins that will irreversibly lock the latch in a closed position by extending into a corresponding socket when the latch is closed. Additionally, the clip incorporates a retaining tip at the tip end of the latch that engages a tip retaining socket when the latch is closed in order to provide additional reinforcement between the latch and the body of the clip.

Abstract: A link coupler for coupling two lengths of different sized chain together and facilitating movement of the two lengths of different sized chain is provided. Also provided is an assembly of the link coupler with a dual chainwheel, a small chain, and a large chain. The link coupler includes a body, a small-chain link coupler coupled with the body at a first end of the body, and a large-chain link coupler coupled with the body at a second end of the body. The dual chainwheel includes a small wildcat profile and a large wildcat profile. The small chain is coupled with the small-chain link coupler, and the large chain is coupled with the large-chain link coupler.

Abstract: A bracket device to secure a tail wire of a drop wire clamp to a structure including a base having a surface. The bracket device further includes a retention hook having a first end, a second end, and retention region defined between the first end and second end. The first end of the retention hook is coupled to the base surface, and the second end of the retention hook is disposed at a predetermined distance from the base surface to define a gap therebetween having a width. The bracket device further includes a locking nut that is cooperatively coupled to the second end of the retention hook and adapted to move between an unlocked position to permit a wire to enter the retention region and a locked position in which a wire is retained by the retention hook in the retention region by a reduction of the gap width.

Abstract: Fall protection apparatus includes a self-retracting lifeline, a tether line and a link member enabling connection of the self-retracting lifeline to the tether line. An anti-connection device is fitted to the link member permitting connection to the self-retracting lifeline but inhibiting connection to other devices when connected to the self-retracting lifeline.

Abstract: A block lock for connecting two chain ends is disclosed including two opposing block lock halves extending in the longitudinal direction when the block lock is in the locked state, which interlockingly engage in each other, and which lock to form at least one receiving opening for receiving a chain link. The block lock halves are pivotably coupled together in the region of a pivoting end such that the block lock halves can be shifted into an open position or locked position by performing the pivoting movement. In the locked position, the block lock halves integrally engage in one another at an opposite locking end and can be locked.

Abstract: The invention relates to a block lock for connecting two chain ends which comprises two block lock halves which extend in the longitudinal direction and which engage with each other in a positive fit via pins and grooves and lock to form two seating openings, each one to receive a chain link. The seating openings are separated by a crossbar which extends from one of the block lock halves to the opposite block lock half, wherein the block lock halves are coupled so as to rotate about the crossbar and/or on an end of a block lock half, a pin which protrudes in the direction of the opposite block lock half, which engages laterally in one lateral seating groove formed on one end of the opposite block lock half, when carrying out a relative rotational movement of both block lock halves.

Abstract: Interlocking hook assemblies for elastic straps include an elastic member 500 including a pair of similar interlocking hook devices 100 connected to each end of elastic member 501. Each interlocking hook device 100, is provided with a connector 300 which is fixedly attached thereon. Each hook device can be connected, preferably in a locking manner, onto the other hook device creating a closed hook assembly thereby disabling the hooks to prevent entanglement of elastic or rigid straps when not in use or during storage and/or transportation. Multiple elastic straps 500 can be connected end-to-end forming an elongated elastic strap of desired length having closed central hooks with open hooks on each end. Interlocking hook assemblies for elastic members include an elastic member with interlocking hook devices 900 including two similar interlocking hook devices 800 with a connector groove 801 and a catch feature 802 and elastic member 811.

Abstract: A device for tensioning anchor chains, in particular mooring legs of off-shore vessels and installations, comprises a frame carrying connectors for holding together lower and upper portions of the chain to be tensioned. The frame further carries a tensioning mechanism for pulling at least one portion of the chain towards the other portion of the chain while the device is submerged.

Abstract: A connecting link pin retaining device has main frame with a lead screw threadably engaged with the main frame. The main frame has opposing upper and lower sections, and is sized and shaped to fit around a connecting link, typically used in connecting sections of mooring lines in subsea mooring applications. The retaining device is positioned around a connecting link, subsea, by a Remotely Operated Vehicle (“ROV”), and the main frame engages the connecting link and positions the lead screw in alignment with the connecting link pin of the connecting link. The lead screw is then rotated by an operating arm of the ROV, advancing the end of the lead screw against the connecting link pin and retaining it in place.

Abstract: An actuator assembly for a subsea remotely operated lifting shackle for use in a subsea field operation is described herein. The actuator assembly can include an actuator body and an actuator coupled to the actuator body. The actuator assembly can also include at least one docking receptacle coupling feature operatively controlled by the actuator, where the at least one docking receptacle coupling feature removably couples, using the actuator, to at least one first actuator assembly coupling feature of a mounting adapter of the lifting shackle. The actuator assembly can further include at least one pin coupling feature operatively controlled by the actuator, where the at least one pin coupling feature removably couples, using the actuator, to at least one second actuator assembly coupling feature of the mounting adapter of the lifting shackle.

Abstract: A chain connecting element has two link brackets, coupled via their limbs, and a crosspiece inserted transversally between the limbs, A limb of each link bracket has a neck section and a journal, a neck recess and a journal recess being provided on the opposite limb. The crosspiece includes a bolt, a sleeve and a spring journal. The crosspiece is a mirror-symmetrical design with an outer-lying bearing sleeve on each side of the crosspiece for form-locked locking engagement in the link brackets. The inner-lying bolt has a spring journal on each of its ends, wherein a clamping pin is insertable or extractable on both sides of the locking bolts and secures each of the spring journals in a respective bearing sleeve in form-locked manner.

Abstract: A fusible link is described comprising a first member selectively coupled to a second member via a connection member. The connection member is retained by way of first and second stop members that are defined in the second member and bear against the connection member and the first member.

Abstract: A connecting lock for tire chains, comprising an elongate receiving opening for receiving two chain links, framed by a first longitudinal crosspiece, an opposed, a second longitudinal crosspiece interrupted by an insertion opening, and two transverse crosspieces. The chain links in the receiving opening are secured from sliding out by means of a closing bolt, which can be inserted via one end into a blind bore in the first longitudinal crosspiece. A threaded bore leads in the first longitudinal crosspiece to the blind bore, starting from a side face. A spring pressure piece is screwed into the threaded bore. A spring-loaded detent part of said spring pressure piece is directed into the blind bore. When the closing bolt is inserted into the blind bore, the spring-loaded detent is latched into a recess in the periphery of said closing bolt.

Abstract: A chain connection link includes: a pair of U-shaped links of a U-shaped configuration in front view and each having two arms; a connection arm portion provided at an end portion of one arm of each of these U-shaped links; a connection groove-shaped arm portion having a groove and provided at an end portion of the other arm of each of these U-shaped links; and through-holes provided in the connection arm portion and the connection groove-shaped arm portion, the connection arm portion of one U-shaped link being fit-engaged with the connection groove-shaped arm portion of the other U-shaped link, a connection shaft being passed through the through-holes to connect the pair of U-shaped links, wherein the size of the outer periphery of the connection groove-shaped arm portion is larger than the size of the outer periphery of the connection arm portion.

Abstract: The invention relates to a device (1) for attaching an end link (2) of a chain strand (3) made of chain links (4) of a predetermined geometry. The device comprises a retaining device (5) comprising an insertion segment (7) at one end (6) that can be inserted in an opening (8) of the end link, and a retaining segment (5). The retaining segment comprises a cross section (28) on which the end link can be placed in a limited number of retaining positions, preferably only one single retaining position, from the insertion segment (7). The device further comprises a closure element (12) by which the end link can be permanently secured to the retaining device. In order to prevent tilting of the end link on the retaining device during operation, according to the invention the closure element forms a stop (14) by which a motion of the end link out of the retaining segment (10) in the direction of the insertion segment (7) is blocked.

Abstract: A link of an energy chain has two parallel side flaps and at least one horizontal web. The two side flaps and the at least one horizontal web are connected to each other by positioning, pivoting and engaging. Two pivoting groups are provided, including in each case a contact surface and a relevant intake for positioning the contact surface in such a way that the pivoting groups in the positioned state form a pivoting axis transversely to the longitudinal axis of the chain link. Furthermore, two engagement groups are provided which in each case are formed by a locking element and a relevant abutment for receiving the locking element. A chain link can be assembled in a simple manner by a plurality of different horizontal webs and side flaps, wherein the connection between the horizontal web and the side flap cannot be randomly released.

Abstract: A metal connection plate of a chain link of an energy chain, which metal connecting plate has two ends, wherein one end has first elements and the other end has second elements, wherein the first elements can be inserted into the second elements of a further connecting plate in such a way that the connecting plates are rotatably connected to each other. The first and second elements are each formed by a hole having a border. The borders form stop surfaces corresponding to each other, which stop surfaces protrude substantially perpendicularly to an extent to the connecting plate.

Abstract: A shackle assembly with a unitary body has a closed geometry with a primary opening therethrough. A first side member has a first side aperture extending transversely therethrough with a first inside surface. A second side member is spaced apart from the first side member and has a second side aperture extending transversely at least partially through the second side member. End portions extend between and connect the first side member and the second side member. The second side aperture is opposite the first side aperture and axially aligned with the first side aperture. A pin has a head portion positioned at least partially within the first side aperture and a tip portion positioned at least partially within the second side aperture. A pin body extending between the head portion and the tip portion along a central longitudinal axis and is sized to pass through the first side aperture.

Abstract: In one embodiment, the present application discloses a linker comprising a linker body having a first end and a second end, wherein the first end is configured with a first slot, wherein the second end is configured with a second slot, wherein the first slot is configured to form a reversible connection with the second slot or a third slot or a protrusion and wherein the linker, the linker body and the slot comprise of material selected from silicone or a silicone composite.

Abstract: A fusible link is described comprising a first member selectively coupled to a second member via a connection member. The connection member is retained by way of first and second stop members that are defined in the second member and bear against the connection member and the first member.

Abstract: A chain link (1) of steel has two spaced-apart transverse apertures (2) to receive portions of leading and trailing pivot pins (4) and, on an upper surface, a seat (6, 7) to receive a welded-in pick box (8), the link (1), at one side at least, being provided with at least one pad (14) of a material of higher wear resistance than the steel of the link (1). The invention also includes a steel pivot pin (4) for use in connecting together, in an articulated manner, steel links (1) of mineral cutter/removal chain, at least one end of the pin (4) being provided with a wear pad (16). The invention also includes a mineral cutting/removal chain for use with an inclined jib, constructed from an odd number of links (1) articulated on pins (4).

Abstract: The present invention provides a chain hook which reduces the risk of disengagement of one or more chains connected thereto. The chain hook comprises an elongate body, a first hook at a first end of the elongate body for connection to a load and a second hook at a second end of the elongate body for connection to at least one chain, wherein the first and second hooks are in different planes.

Abstract: An adjustable link for a bracelet, including first and second half links longitudinally moveable via cooperation of a guide and a complementary guide, and captived by cooperation of a stopping mechanism and a complementary stopping mechanism. The first half link includes a longitudinal finger with a locking mechanism including a radial elastic return moveable between folded and unfolded positions, and the second half link includes a longitudinal channel allowing the finger to pass in only one of the folded or unfolded positions, and, in proximity to the channel, a complementary locking mechanism cooperating, in at least one locking position, with the locking mechanism in the other of the folded or unfolded positions, the locking mechanism and complementary locking mechanism together defining at least two of the longitudinally separate locking positions.

Abstract: An interchangeable and customizable jewelry and accessory system using individual beaded links 1 to allow the user to create jewelry, fashion & home accessories quickly and easily without prior jewelry making experience. Each design can easily be changed to create a new design without affecting the quality and structure of the main components. Using this method, individual beaded links 1 can be detached and re-attached at any point within the design to create an entirely different design at any time. Individual beaded links 1 and connector links 3 as well as any clasp, finding or embellishment 2 can be used and re-used over and over without damaging any component of the design providing for a truly interchangeable jewelry and accessory system.

Abstract: A coupling link for connecting two parts together includes link components (which each form a partial link) that are joined together with a removable support. The support and link components are coupled together to withstand high loads and/or adverse wear conditions. The inventive construction is strong, durable, efficient, cost effective and easy to use. Wear caps are provided to facilitate extended usable chain life.

Abstract: A system of fasteners and connectors that can be used as part of fashion items such as jewelry, leather goods and garments is provided. One or more fasteners can be used interchangeably with a range of connectors to accommodate various kinds of decorative and functional applications.

Abstract: Locking devices as well as methods of their manufacture and use are disclosed. One locking device includes first and second legs operatively coupled together to form a perimeter substantially uninterrupted from a proximal end of the first leg to a proximal end of the second leg. The proximal ends are separated by an opening, and each proximal end respectively defines a passage. A keyway extends from the first leg passage, and first and second shoulders are adjacent the keyway. A receiving area extends from the second leg passage. A locking pin passes through the second leg passage and is movable between an open position, a closed position, and an intermediate position. The locking pin has a key and a stop that prevent the locking pin from passing entirely through the second leg passage. A biasing member biases the locking pin in various ways.

Abstract: A shackle assembly includes a shackle body having two shackle arms extending from a bridge portion which is fixed to the two arms and connects the two arms to each other. A shackle pin can be mounted to the shackle arms and connects the two shackle arms in the mounted state. At least one pocket is formed in at least one of the shackle arms and/or the shackle pin, in which pocket a strain sensing element is received and fixedly attached to the bottom or wall of the pocket for detecting a shackle load acting on the shackle assembly. The pocket is a hole going partially through the shackle arm or going partially through the shackle pin, and the strain sensing element is a strain gauge which is attached to the wall or bottom of the hole.

Abstract: A connecting link assembly for connecting two chain sizes together. The connecting link assembly includes a smaller connecting link assembly sized according to the smaller chain size, a larger connecting link assembly sized according to the larger chain size, and a connecting component. The connecting component is sized and shaped to be accepted by a dual chain wheel.

Abstract: Embodiments herein relate to the general art of connector links, and to the particular field of coupling links for coupling to one or more chain links. Particular embodiments include coupling links having a body with a central portion that has an aperture passing therethrough, a closed first end that is integral, and a second end that has an opening, and a retaining member in the form of a removable, deformable, or pivotable member that may selectively provide a closure to the opening. Other embodiments include retaining members on both ends of the coupling link.

Abstract: A connecting lock for tire chains, comprising an elongate receiving opening for receiving two chain links, framed by a first longitudinal crosspiece, an opposed, a second longitudinal crosspiece interrupted by an insertion opening, and two transverse crosspieces. The chain links in the receiving opening are secured from sliding out by means of a closing bolt, which can be inserted via one end into a blind bore in the first longitudinal crosspiece. A threaded bore leads in the first longitudinal crosspiece to the blind bore, starting from a side face. A spring pressure piece is screwed into the threaded bore. A spring-loaded detent part of said spring pressure piece is directed into the blind bore. When the closing bolt is inserted into the blind bore, the spring-loaded detent is latched into a recess in the periphery of said closing bolt.

Abstract: The apparatus is intended for vertically linking a first chain and a second chain under water. The apparatus is characterized in that it comprises a lower base (1) with an open cross-shaped slot (5) into which the last link of the first chain (6) is inserted, extending above said lower base (1), while a guide/holder (2) for the second chain (7) is attached to the lower base (1) over said slot, said guide/holder containing an H-shaped shackle (11) that is coupled to the last link of said second chain (7) by means of a first bolt (12), the last link of the first chain (6) being inserted in the free space in the shackle (11) so that both chains (6-7) are coupled by means of a second bolt (13).

Abstract: The block lock for round link chains includes two approximately L-shaped lock halves connected with each other by pins. Each lock half has a longitudinal leg with a center rib, which faces away from its continuous back portion and separates bearing shells for chain links, and a cross leg arranged on one end of the longitudinal leg. Projections and receiving pockets are provided on the front ends of the longitudinal legs facing away from the cross legs, and receiving pockets and projections matching the projections and receiving pockets on the longitudinal legs are provided on the sides of the cross legs facing the center ribs. The center ribs are mutually offset in the longitudinal direction of the identically constructed lock halves.

Abstract: A fashion accessory featuring a plurality of units connected together to form a continuous chain having a first end and a second end. The first end and second end are connected together via a locking means. Each unit is a loop. The units each occupy a folded configuration. In the folded configuration, the unit is folded in half to form a first top arc and a second top arc that are positioned next to each other, and a first bottom hook and a second bottom hook that are positioned across from each other. Adjacent units are fed through both bottom hooks and subsequently moved to occupy the folded configuration.

Abstract: A device for recovery of physical objects includes a chain having two ends and a retriever attached to one of the ends. The retriever is configured to locate the object to be recovered and to grasp and retrieve that object once located. The retriever includes transducers that detect acoustic frequencies propagating in a fluid medium. Independent transponders, which can be deployed from the retriever; are provided for deployment in an area to be searched. Each transponder emits a predetermined acoustic frequency that is detectable by the transducers. The transducers signal movement of the recovery device for retrieval of the object.

Abstract: There is provided a lifting engagement chain unit that autonomously erects a pair of engagement chains, ensures engagement accuracy between link plates and improves buckling strength. A plurality of buckling restricting attachment plates is arrayed along an outer surface of the engagement chains in a chain longitudinal direction.

Abstract: A shackle apparatus including a generally U-shaped shackle body having an arcuate end, a pair of parallel arms, and a retaining member spanning a gap defined between the shackle arms. The retaining member cooperates with the shackle body to define a closed loop which can be permanently attached to a sling or lifting cable. The retaining member prevents the shackle apparatus from being removed and installed on another sling or lifting cable without substantially destroying the shackle apparatus of the present invention.

Abstract: Magnetically connected socket joint components comprise one or more paired components so as to form socket joint structures which can form various different articles, such as, for example, articles of jewelry, toys, educational implements, games or amusement devices, instructional aids, eyeglass frames, robotic arms, prosthetic devices, human replacement joints, and the like. The socket joint structures comprise convexly configured male and concavely configured female socket components which may be fabricated from suitable magnetic materials, or alternatively, the convexly configured male socket components may be fabricated from suitable magnetic materials while the concavely configured female socket components may be fabricated from suitable ferromagnetic materials, or vice versa.

Abstract: This invention relates to a connector, particularly to a shackle suitable for use in connecting two links of a chain or a chain to an anchor, more particularly to a connector comprising a first portion and a second portion, at least one first connector arm on the first portion and at least one second connector arm on the second portion, wherein both the first and second connector arms have multiple bearing surfaces, preferably six, and are able to engage one another when the connector is coupled by means of the bearing surfaces. The connector of the present invention has the advantage of having a break load of 1.3[0.0274 d2(44?0.08 d) kN, wherein d is the nominal diameter, and preferably a thickness of 1.3 d.

Abstract: The invention relates to a link chain having two or more rows of chain elements, wherein the chain elements of one row are rotatably connected to those of the adjacent row in the chain plane in such a way that each chain element has two rotational axes, of which in each case one of the two rotational axes belongs to two different chain elements in adjacent rows, and that the chain elements of one row are connected to one another by means of toothed devices at their ends in such a way that the chain is flexible in the chain plane. The chain elements at one end of the link chain are likewise provided, at their outer side, with a toothed device, which is in engagement with an actuator. The actuator is a pneumatic actuator, a hydraulic actuator, an electromotive actuator or a manual drive actuator. The actuator may have a latching fitting, wherein the latching fitting is provided with a toothed surface that is in engagement with a toothed surface of a chain element in one row.

Abstract: The invention relates to a chain connecting link, which has two link brackets (4, 5) coupled via their limbs (6, 9), and a bar (14a-14c) that is inserted transversely between the limbs (6, 9) of the link brackets (4, 5). One limb (6) of each link bracket (4, 5) comprises a neck section (7) and a pin (8) thicker than the neck section, and a neck recess (10) and a pin recess (11) are provided in a matching fashion at the other limb (9) of the link bracket (4, 5). According to the invention, conically configured flank surfaces (12) with respect to the vertical central longitudinal plane (MLE) are provided at each pin (8) and at each pin recess (11).

Abstract: This invention relates to a connector, particularly to a shackle suitable for use in connecting two links of a chain or a chain to an anchor, more particularly to a connector comprising a first portion and a second portion, at least one first connector arm on the first portion and at least one second connector arm on the second portion, wherein both the first and second connector arms have multiple bearing surfaces, preferably six, and are able to engage one another when the connector is coupled by means of the bearing surfaces. The connector of the present invention has the advantage of having a break load of 1.3[0.0274 d2(44?0.08 d) kN, wherein d is the nominal diameter, and preferably a thickness of 1.3 d.

Abstract: A shackle apparatus including a generally U-shaped shackle body having an arcuate end, a pair of parallel arms, and a retaining member spanning a gap defined between the shackle arms. The retaining member cooperates with the shackle body to define a closed loop which can be permanently attached to a sling or lifting cable. The retaining member prevents the shackle apparatus from being removed and installed on another sling or lifting cable without substantially destroying the shackle apparatus of the present invention.