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公开(公告)号：US11585105B2
公开(公告)日：2023-02-21
申请号：US17330059
申请日：2021-05-25
发明人： Bradley D. A. Bond
摘要： A joist for a formwork grid construction component system is disclosed. Typical joists (sometimes referred to as secondary beams) span a distance of approximately six feet (when fully connected). By strengthening the joist using an altered profile while maintaining interoperable external dimensions, the span distance may be increased. That is, by forming the joists with the disclosed profile, joists can be made longer (e.g., have an eight foot connected span) and maintain appropriate strength or even have an increased weight tolerance. Formwork grid systems are used in construction of buildings and other structures. Interoperability with existing components is maintained by the disclosed joist profile adhering to the same external functional form factor as existing joists. The external form factor being the same allows joists constructed in accordance with this disclosure to properly function with existing formwork grid construction components.
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公开(公告)号：US11519187B2
公开(公告)日：2022-12-06
申请号：US16827508
申请日：2020-03-23
申请人： Peri SE
发明人： Wilfried Haeberle
摘要： A support structure for a formwork panel having a support structure and a formwork skin positioned on the front of the support structure and attached to the support structure, wherein the support structure has at least one edge girder on a pair of opposite edges and a plurality of transverse girders between these two edge girders which run transversely to these two edge girders, characterized in that at least some of the transverse girders are designed as a profile girder, comprising a flange at its first end arranged at the front of the support structure, a tubular hollow section at its second end away from the front of the support structure, and between them a preferably wall-like member connecting the first end and the second end.
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公开(公告)号：US11486154B2
公开(公告)日：2022-11-01
申请号：US16751325
申请日：2020-01-24
申请人： ULMA C y E, S. Coop.
摘要： A perimeter protection system for protecting operators against lateral falling when installing formwork panels in a horizontal formwork system. According to one embodiment the perimeter protection system includes a perimeter protection structure configured for being fixed, in a working position, to the horizontal formwork system, and at least one auxiliary device configured for being fixed to the horizontal formwork system and for fixing the perimeter protection structure to the horizontal formwork system. The auxiliary device includes guiding means collaborating with a guide of the perimeter protection structure for positioning the perimeter protection structure in an initial assembly position. In the initial assembly position the structure is configured to be raised up to an intermediate position where it is permitted to swing until it is positioned in the working position.
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公开(公告)号：US20220220753A1
公开(公告)日：2022-07-14
申请号：US17607203
申请日：2020-04-29
申请人： Shinwide Pty. Ltd.
发明人： Luis Araujo
IPC分类号： E04G11/48
摘要： Disclosed is a prop head for connecting a formwork prop to an elevated concrete slab formwork waler table or the like; said waler table having a plurality of support beams having a cavity or gap space adapted to receive an upper part of said prop head, said table being adapted to receive a bolt across said gap or cavity; wherein said prop head has: a central plate having a front end, a rear end and two sides, said sides having downwardly projecting lower L-shape angle brackets therefrom, said brackets being adapted to receive the top of said prop in a horizontally sliding manner from said front end; a downwardly projecting stop wall from the rear end of said central plate, adapted to abut the upper part of said prop; an upper turret, rising from said lower plate, adapted to fit in said cavity or gap space; and having one or more laterally located slots or holes adapted to correspond with the position of complementary holes or slots in said support beams; and a hole or slot in said central plate adjacent said front end and adapted to receive a locking pin, bolt or wedge thereby to prevent said prop being removed from said brackets. Also disclosed is a method of first securely connecting the prop to a support beam of a waler table and subsequently sliding the T-shaped end of a prop into connection with the prop head and then securing with a locking member.
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公开(公告)号：US11268289B2
公开(公告)日：2022-03-08
申请号：US16944483
申请日：2020-07-31
发明人： Bradley D. A. Bond
摘要： A drophead nut for use with formwork building components is disclosed. The disclosed drophead nut maintains standard outward dimensions to allow interoperability with existing systems. The hitting surface of the drophead nut is typically used to align a gap in the nut with a retention pin and thus allow the nut to drop. This in turn allows a mid-plate to fall releasing pressure on a beam (joist and/or main) to allow that beam to be removed. The impact surface of the disclosed drophead nut has been enlarged, reinforced, and possibly repositioned to increase leverage. The resulting drophead nut may allow for reduction in number of impacts on an impact surface to provide alignment of the gap and retention pin, and thus activate compression of the drophead nut.
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公开(公告)号：US10883283B2
公开(公告)日：2021-01-05
申请号：US16264846
申请日：2019-02-01
发明人： Guido Faresin
摘要： A support device, of the drop head type, for supporting beams of formworks for floor slabs, to an apparatus comprising such device, and to a supporting beam to be associated with the device; the device comprises an upright, a supporting head coupled to the upright, and a lower shank. The supporting head in turn comprises: two plates which are arranged mirror-symmetrically and laterally adjacent to mutually opposite sides of the upright, at least two mirror-symmetrical recesses, each one obtained on a respective plate; the device is provided with resting regions, of which one resting region is for resting the end of a supporting beam against a lateral part of the upright and a pair of mirror-symmetrical resting regions on the at least two recesses.
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公开(公告)号：US10788063B2
公开(公告)日：2020-09-29
申请号：US15763396
申请日：2016-09-21
摘要： An elastic clamp is for coupling props to beams. The clamp includes a minimum of two elastic wings able to hold and exert pressure on opposite lateral faces of the beam to be supported by the prop. The clamp allows the prop to be retained in a place selected along the beam to be supported, and prevents the prop from falling and rotating sideways.
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公开(公告)号：US20200224443A1
公开(公告)日：2020-07-16
申请号：US16746305
申请日：2020-01-17
申请人： Tower Solutions, LLC
发明人： Steven A. Olsen
摘要： The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column.
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公开(公告)号：US10711472B2
公开(公告)日：2020-07-14
申请号：US15853196
申请日：2017-12-22
摘要： A pass-through head assembly is provided. The pass-through head assembly may include a central shaft, a plurality of support bars, a seat, and a seat support plate. The central shaft may extend between a first end plate and a second end plate. Each end plate may define an aperture that aligns with an interior cavity of the central shaft. The plurality of support bars may extend from the central shaft and the second end plate. The seat and seat support plate may each be circumferentially disposed about the central shaft and define apertures that are sized to allow the seat and the seat support plate to pass over the central shaft and the plurality of support bars. The seat may be configured to support one or more beams. The seat support plate may be disposed between the seat and the second end plate.
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公开(公告)号：US20200181928A1
公开(公告)日：2020-06-11
申请号：US16620520
申请日：2018-05-30
摘要： A scaffold having an opposing pair of half funicular trusses that are detachably or pivotably connected in the middle to establish a funicular arched truss is provided, where when in a detached or pivoted state, storage and transporting a plurality of the half funicular trusses is simplified.
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