31results about "Shackles" patented technology

The present invention provides a shackle, which includes: a shackle body formed in a bar shape bent so that opposite ends are adjacent to each other and face the same direction as each other, wherein the shackle body passes through a through hole formed in a loop at an end of a linear wire body; fastening rings provided at opposite ends of the shackle body, respectively, and having a penetration hole formed therein, wherein at least one of the fastening rings is detachably coupled to the shackle body; a first fastening means which passes through the penetration hole of the fastening ring to prevent the linear wire body from being separated from the shackle in a fastened state; and a second fastening means which is coupled with the first fastening means to prevent the linear wire body from being separated from the shackle together with the first fastening means.

The utility model relates to the technical field of special-shaped chains, in particular to a special-shaped chain. According to the technical scheme, the special-shaped chain comprises a special-shaped chain body, the special-shaped chain body comprises a plurality of special-shaped chain blocks, each special-shaped chain block comprises a connecting tail block, a connecting head block is arranged on the rear side of each connecting tail block, a connecting groove is formed in the rear side of each connecting head block, and first pin holes are formed in the left side and the right side of each connecting tail block in a penetrating mode. According to the special-shaped chain, the plurality of special-shaped chain blocks, the fixing blocks, the connecting plates, the triangular blocks, the connecting pins, the pin heads, the pin caps and the U-shaped limiting blocks are arranged, so that the special-shaped chain bodies with different lengths can be combined according to requirements, can be connected end to end, can be quickly disassembled and assembled, can be disassembled and assembled without a tool, is convenient to maintain, and is convenient to use. The maintenance efficiency is improved, the connecting plates can be limited by arranging the inserting grooves to the blocking pieces, connection is more stable, and convenience is provided during disassembly by arranging the lug plates to the hook plates.

The invention relates to a chain link (1) for a tire chain. The chain link (1) has a first part (2) and a second part (4) which is welded together with the first part (2). The first part (2) is provided with at least two webs (6) which are arranged next to each other, wherein a hook-in opening (8) is delimited by two respective webs (6) and the second part (4), and two opposite sides (10, 10') of the second part are provided with recesses (12) which correspond to the webs and into each of which a respective end (14) of the webs (6) is inserted.

Component (1) of the lifting, lashing or rigging technology for outdoor or offshore applications, in particular in the form of a shackle, with an opening (3) formed by a base body (2) which has at least one closable passage (4), with a closing element (5) by which the passage (4) is closed in a closed position (78), with a lock (6) by which the closing element (5) is rotatable relative to the base body (2) in the closed position (78) and secured against opening of the passage (4), and with a locking mechanism (7) which is automatically activated in the closed position (78), by which the lock (6) is blocked in the closed position (78) and which has a gripping element (9) designed to be operated manually without tools for releasing the locking mechanism (7), wherein an indicator element (20) which is visible from outside the component (1) when the locking mechanism (7) is activated and concealed when the locking mechanism (7) is not activated,and / or an indicator element (20) is provided which is visible from outside the component (1) when the locking mechanism (7) is not activated and is concealed when the locking mechanism (7) is activated.

A coupling block element (20) for a Kenter shackle, formed from two half elements which can be pushed into one another, for anchor chains, wherein the half elements each have one short limb with a profile structure at the end and one long limb with a receiving chamber therefor, and the coupling block element can be inserted between the half elements which are pushed into one another, and wherein: - the coupling block element (20) has a housing (21) which is profiled on its side surfaces, which are to face the half elements, for positively locking guidance on the half elements; – at least one locking element (22) which can be displaced in a locking element guide bore (21.2) and the ends (22.2) of which, which exit to the outside, are configured for engaging in locking element receptacles on the inner flanks of the half elements is arranged on each of the opposite sides of the main body (21), – the two locking elements (22) can be displaced to the outside by means of a common expansion element which engages between the locking elements (22); wherein the expansion element is formed by an eccentric bolt (24) which is arranged rotatably in a central bore (21.1), oriented at a right angle with respect to the locking element guide bores (21.2) of the locking elements (22), in the housing (21), and which has an non-round cross section at least in a region which adjoins the locking element guide bores (21.2) of the locking elements (22).

A connecting block element (20) for a Kenta shackle used in an anchor chain, formed from two interlocking split elements, each split element having a shorter leg with a deformed structure at its end and a longer leg having a housing for the shorter leg, the connecting block element being insertable between interlocking split elements, - The connecting block element (20) has a housing (21), the housing (21) having a contour on its side facing the split elements to guide them shape-connectively, - On opposite sides of the base (21) are at least one locking element (22) each displaceable within a locking element guide hole (21.2), the outward-extending end (22.2) of the locking element (22) is configured to engage with a locking element housing provided on the inner side of the split element, - Both locking elements (22) are displaceable outward by a common expanding element that engages between them, the expanding element being formed by an eccentric pin (24), the eccentric pin (24) being rotatably positioned in a central hole (21.1) provided in the housing (21) and oriented perpendicular to the locking element guide holes (21.2) of the locking elements (22), and a connecting block element (20) having a cross-section of a shape other than circular in at least the region adjacent to the locking element guide holes (21.2) of the locking elements (22).

The present invention relates to a shackle (100). The shackle comprises a shackle body (101) for use with a shackle pin (102).The shackle body (101) comprises a flexible elongate member (104) comprising at least one length of rope circuitously formed so that the flexible elongate member (104) passes through itself and defines three sequentially 5 adjacent noose portions Three sequentially adjacent noose portions comprise an intermediate noose portion (110) and two end noose portions (108, 109) at opposing ends of the shackle body (101).

A chain connector (100) is disclosed. The chain connector comprises a chain connector body (105) comprising an opening (110) for enabling the chain connector to be coupled to a chain link (205) of a first chain (200). The chain connector comprises a bridge member (115) pivotably coupled to the chain connector body and configured to selectively bridge the opening. The chain connector comprises a locking member (120) moveably coupled to the chain connector body and configured to engage with the bridge member to lock the bridge member in a closed position bridging the opening.

A soft shackle is provided that incorporates a locking mechanism that prevents or limits travel of a loop from passing back over a shackle knot caused by slippage when not under tension of a load. The locking mechanism controls the loop's ability to expand in size, such as through a positive locking force or establishes a safety factor with respect to the size of the loop needed to slip over the knot, or both.

The invention belongs to the field of devices for deck cargo carrying, and particularly relates to a hole hook for fastening and a fastening rigging. In order to enable a fastening rigging to be suitable for a round hole, the hole hook for fastening comprises a hook body and a lock pin which is matched with the hook body so as to fix the hook body on the round hole during use; the hook body comprises a first insertion section used for being inserted into the round hole and a locking block connected to the lower portion of the first insertion section, the locking pin comprises a second insertion section used for being inserted into the round hole, and the side, away from the second insertion section, of the first insertion section and the side, away from the first insertion section, of the second insertion section are both in an arc shape used for being matched with the hole wall of the round hole in a radial stopping mode. One of the hook body and the lock pin is provided with a sliding rail extending up and down, and the other one is provided with a corresponding sliding groove. The invention further provides a fastening rigging comprising the hole hook for fastening. In the radial direction, the hook body is limited through the lock pin, so that the hole hook is clamped in the round hole and cannot be unlocked by itself, and the fastening rigging with the hole hook can be used for binding goods.

This invention discloses a chain guide for a chain hoist, which is integrally composed of a flexible base bar, rigid guide protrusions, and rigid slip rings. The guide protrusions are evenly spaced and formed on the surface of the base bar, and the slip rings are formed on each guide protrusion and are perpendicular to each other. The tail slip ring located at the bottom end of the base bar is used to connect with the lifting chain. A matching structure between the chain guide and a guide frame with a lifting sprocket is also provided. The guide frame is an integral structure with an upper cavity and a lower part having a guide frame inlet hole and a guide frame outlet hole communicating with the cavity. An arc-shaped groove is arranged around the guide frame inlet hole, the guide frame outlet hole, and the cavity. The lifting sprocket is located within the cavity. The slip rings slide in and out of the guide frame inlet hole and the guide frame outlet hole, respectively, and the guide protrusions slide in and out of the arc-shaped groove. The slip rings adaptively engage with the chain groove of the lifting sprocket, and the base bar adaptively adapts to the chain ring groove of the lifting sprocket. This fulfills the requirement of guiding the assembly of the lifting chain.

The present invention relates to a nut and securing pin assembly (1) for being fastened to a shackle, the shackle comprising a shackle body (5) comprising two through-holes (2), and a shackle bolt (3) comprising: a bolt shaft (6); a bolt head (7); threads (8); a bolt through-hole (9), the nut and securing pin assembly (1) comprising: a nut (10) comprising: internal threads (11) configured for screwing onto the bolt shaft (6); two nut through-holes (12) each arranged diametrically in the nut (10) and extending along the same axis, a securing pin (13) configured to be arranged through the bolt through-hole (9) and the nut through-holes (12) and thereby locking the nut (10) to the bolt shaft (6), the securing pin (13) having a length (L) that is less than the distance (D) between the outer radial edges (14) of the nut (10) at the through-holes (12).

A lightweight and flexible load bearing shackle that is configurable in operation. The shackle includes a bow made of a plurality of loops of synthetic fiber rope (e.g., polypropylene, nylon, polyester, polyethylene, Aramid, acrylic, co-polymer fibers) within a sheathing. The sheathing is secured together to form a receptacle (opening) in each leg of the bow that has a boot located therewithin. The sheathing and the boot may be secured together using a cover.The boot may include an enclosed channel that the sheathing is routed through to secure the bow and the boot. The boots include threaded holes passing therethrough where one threaded hole is larger than the other. A connection pin having two threaded portions (one portion larger than the other) separated by a non-threaded portion is used to secure to the boots and maintain the ends a certain distance apart (length on non-threaded portion).

A lightweight and flexible load bearing shackle that is configurable in operation. The shackle includes a bow made of a plurality of loops of synthetic fiber rope (e.g., polypropylene, nylon, polyester, polyethylene, Aramid, acrylic, co-polymer fibers) within a sheathing. The sheathing is secured together to form a receptacle (opening) in each leg of the bow that has a boot located therewithin. The sheathing and the boot may be secured together using a cover. The boot may include an enclosed channel that the sheathing is routed through to secure the bow and the boot. The boots include threaded holes passing therethrough where one threaded hole is larger than the other. A connection pin having two threaded portions (one portion larger than the other) separated by a non-threaded portion is used to secure to the boots and maintain the ends a certain distance apart (length on non-threaded portion).

The present invention relates, in conjunction with Figure 3, to a round steel chain link 1 for a link chain, particularly for use in mining or lifting technology, wherein the round steel chain link 1 has two parallel legs 2 and two opposing radii 4, wherein the cross-sectional contour on the outer sides 6 of the legs 2 is reduced compared to the radii 4, characterized in that the legs 2 have an inwardly directed indentation 7 on both sides 10 of their outer side 6 along their course in the longitudinal direction 3 of the chain, and that the indentation extends over the entire length of the leg 2 and / or that the height 12 of the leg 2 is equal to or less than the diameter 13 in the radii 4.

A coupling block element for a Kenter shackle, formed from two half elements which can be pushed into one another, for anchor chains, wherein the half elements each have one short limb with a profile structure at the end and one long limb with a receiving chamber therefor. The coupling block element can be inserted between the half elements which are pushed into one another. The coupling block element has a housing which is profiled on its side surfaces, which are to face the half elements, for positively locking guidance on the half elements. At least one locking element can be displaced in a locking element guide bore and the ends of which, which exit to the outside, are configured for engaging in locking element receptacles on the inner flanks of the half elements and is arranged on each of the opposite sides of the main body.

To provide a chain that allows easy insertion and removal of pins without a special tool so as to facilitate assembly or maintenance in any location. The chain includes a plurality of pairs of inner link plates, a plurality of pairs of outer link plates, a plurality of pins including at least one joint pin, and a plurality of bushings, with the pins being inserted through the bushings. The joint pin includes an outer pin that is cylindrical and has an internal thread, and an inner pin that has an inserted portion with an external thread, which is inserted into the outer pin, and a head that protrudes from the outer pin. The inner pin includes a portion serving as a retainer that retains the outer link plate.

The invention relates to a kite system comprising a kite (14), a line tree (24), a gondola (25), and a towing rope (15). The kite (14) is connected to the gondola (25) via the line tree (24), and the towing rope (15) extends between the gondola (25) and an attachment point (16, 55) installed in the ground. A pulling force which is exerted by the kite (14) during operation is transferred via a towing section (15, 24) which extends from the kite (14) to the attachment point (16, 55) via the line tree (24) and the towing rope (15). A separating device (40) which releases upon contacting water is arranged within the towing section (15, 24). The invention additionally relates to a separating device (40) which is suitable for a kite system.

The present invention relates to a chain lock (1) for use in mining or conveying technology, the chain lock comprising two lock halves (2, 3) designed as shackle elements which are C-shaped as seen in a side view, which can be plugged one inside the other in the longitudinal direction thereof by way of limbs, and which can be locked together by a locking means that extends through the limbs. The limbs are circular in cross section at mutually abutting faces of two limb parts.

The utility model discloses a chain shackle capable of being quickly disengaged on load, which relates to the field of chain shackles and comprises a butt joint main block, a fastening side block is arranged on one side edge of the butt joint main block, inserting columns are symmetrically butted to one side edge of the fastening side block, penetrating through grooves are symmetrically formed in the side edge of the butt joint main block, and the inserting columns are inserted into the penetrating through grooves. Horizontal side grooves are horizontally and symmetrically formed in the side edge, away from the buckling side block, of the butt joint main block, shifting side blocks are clamped to the inner side edges of the horizontal side grooves, clamping inner blocks are horizontally clamped to the inner side edges of the horizontal side grooves, shifting grooves are formed in the side edges of the clamping inner blocks, and side through holes are symmetrically formed in the side edges of the buckling side block; a fixing screw rod is inserted into the inner side edge of the side through hole, an end screw hole is formed in one end of the insertion column body, a split structure is adopted, so that installation operation is more convenient, and meanwhile, the installation and disassembly effects can be achieved through stirring under the connecting structure of the buckle.

Connecting chain link (1) for connecting at least two chain links of a chain, wherein the connecting chain link (1) is designed and configured to create a hinged and detachable connection between two chain links, wherein the connecting chain link (1) has a main element (2) and a connecting element (3), wherein the main element (2) has at least a section with a first nominal cross-section (D1), wherein the connecting element (3) can be inserted into an open section of the main element (2) along an insertion direction (E), wherein a contact section (3a) of the connecting element (3) engages in a contact counterpart section (3a) of the main element (3) corresponding to the contact section (3a), wherein a connecting section (4) of the connecting chain link (1) has a second nominal cross-section (D2) which is essentially the same size as the first nominal cross-section (D1).

A firefighting robotic vehicle includes firefighting equipment, a vehicle body constructed and arranged to support the firefighting equipment, and a frontend attachment that couples with the vehicle body. The frontend attachment includes a mount assembly constructed and arranged to attach to the vehicle body, a head assembly constructed and arranged to serve as a frontend of the firefighting robotic vehicle, and pin hardware constructed and arranged to selectively lock the head assembly to the mount assembly and unlock the head assembly from the mount assembly. Example heads for the head assembly include a plow, a forklift, combinations thereof, etc.