A system for handling various structural building components including a pick and stack-registry lug which is anchorable to the top of a building component for handling that component in either one, or both sequentially, of its two, pick and stack-registry functional modes, (b) a clamshell-style, releasably lockable clasp adapted to receive and close capturingly upon the lug under operational circumstances with the lug anchored to the top of a building component, and ready to function in its pick category of component-handling behavior, and (c) a guide socket includable in the base of a building component functional for camming, guided reception of a lug with the lug then functioning in its stack-registry mode of behavior to facilitate overhead stack registering of two building components in relation to the lowering of an overhead component onto the top of an underlying component whose top also has a lug anchored to it.

There is disclosed a lifting attachment for a building unit comprising sheeting and a support structure over which the sheeting is disposed, the attachment being configured such that it can be connected to or integrated into the support structure and comprising a lifting anchor that, when the attachment is so connected or integrated, is engageable by a component for lifting the unit such that a releasable interconnection between the component and the support structure passes through an opening in the sheeting.

A safety device is provided. The safety device (100) is for securing an individual to a concrete element (2) of a structure during construction work. The concrete element (2) is of the type comprising a concrete body (4) having one or more lifting pins (6) embedded in respective lifting pin holes (8) in said body. The safety device in the orientation intended during use comprises: an anchoring element (10); and a top element (12); wherein said anchoring element (10) comprises engagement means (14) configured to releasably engage with the head of a lifting pin of the type comprising a longitudinal stem (18) and a head (20) arranged at an upper end of said stem, said head (20) of said lifting pin (6) is having a larger extension, compared to said stem, in a transversal direction Y; so as to enable said anchoring element (10) and said lifting pin (6) to shift configuration between an engaged configuration with each other and a disengaged configuration and vice versa; wherein said anchoring element (10) comprises a first fastening means (22) configured to be connected to said top element (12); wherein said top element (12) comprises a second fastening means (24) configured to be connected to said anchoring element (10); wherein said safety device comprises fixation means (26) for fixing a safety line thereto.

A system for handling various structural building components including a pick and stack-registry lug which is anchorable to the top of a building component for handling that component in either one, or both sequentially, of its two, pick and stack-registry functional modes, (b) a clamshell-style, releasably lockable clasp adapted to receive and close capturingly upon the lug under operational circumstances with the lug anchored to the top of a building component, and ready to function in its pick category of component-handling behavior, and (c) a guide socket includable in the base of a building component functional for camming, guided reception of a lug with the lug then functioning in its stack-registry mode of behavior to facilitate overhead stack registering of two building components in relation to the lowering of an overhead component onto the top of an underlying component whose top also has a lug anchored to it.

A clutch for lifting a concrete component and including a toroidal connector, a latch movable relative to the toroidal connector from a disengaged condition to an engaged condition, and a coupler for coupling the toroidal connector to a lifting apparatus, wherein the coupler is articulated.

A clutch for lifting a concrete component, including a toroidal connector, a latch movable relative to the toroidal connector between a disengaged condition and an engaged condition, and a coupler for coupling the toroidal connector to a lifting apparatus, wherein the coupler includes a first part and a second part pivotal relative to the first part about a pin, and wherein the coupler includes a tamper evident indicator to indicate that the clutch has not been disassembled.

Anchors and precast concrete structures including anchors are provided. An anchor includes a disk having a first dimension D.sub.1, a second dimension D.sub.2 and a first aspect ratio [D.sub.1/D.sub.2], wherein D.sub.1 and D.sub.2 are oriented perpendicular with respect one another, and wherein the first aspect ratio [D.sub.1/D.sub.2] is in a range between and including 0.75 and 1.25; and a head extending from a generally central portion of the disk in a direction generally perpendicular to D.sub.1 and D.sub.2, the head having a third dimension D.sub.3, a fourth dimension D.sub.4 and a second aspect ratio [D.sub.3/D.sub.4], wherein D.sub.3 and D.sub.4 are oriented perpendicular with respect to one another, wherein D.sub.3 is parallel with respect to D.sub.2 and D.sub.4 is parallel with respect to D.sub.1, and wherein the second aspect ratio [D.sub.3/D.sub.4] is less than 0.5.

A clutch for lifting a concrete component, including a toroidal connector, a latch movable relative to the toroidal connector between a disengaged condition and an engaged condition, and a coupler for coupling the toroidal connector to a lifting apparatus, wherein the toroidal connector has a circular seat for sitting upon a circular upper surface of a head of and anchor coupled to the toroidal connector, wherein the circular seat terminates in a radial bearing surface for abutment with a castellation of the anchor.

A lifting yoke 200 for lifting a heavy element 300 is disclosed, wherein the heavy element being of the type comprising a body having two or more lifting anchors 302 exposed at an edge 304 thereof. The lifting yoke 200, in the orientation intended during lifting, comprises: a horizontally arranged beam 2 having an extension in a longitudinal direction X between a first extreme end 4 and a second extreme end 6, a first grabbing mechanism 8, a second grabbing mechanism 10. The first grabbing mechanism 8 is being connected to said horizontally arranged beam 2 and is comprising a first clutch 12 which is being configured to be able to shift between an engaged configuration for engagement with a lifting anchor 302 of a heavy element 300, and a disengaged configuration for disengaging with said lifting anchor 302, and vice versa, wherein said first clutch 12 comprises a first clutch actuator 14, which is being configured for enabling remote controlling of the configuration of said first clutch 12; wherein said second grabbing mechanism 10 is being connected to said horizontally arranged beam 2 and is comprising a second clutch 16 which is being configured to be able to shift between an engaged configuration for engagement with a lifting anchor 302 of a heavy element 300 and a disengaged configuration for disengaging with said lifting anchor 302, and vice versa, wherein said second clutch 16 comprises a second clutch actuator 18 which is being configured for enabling remote controlling of the configuration of said second clutch 16; wherein said first clutch 12 and said second clutch 16 are being arranged at mutual distance D; wherein said lifting yoke 200 comprises one or more attachment means 20 for attachment of a lifting chain/wire 22 to be connected to a lifting boom of a crane.