Self locking connector head to couple scaffolding panels to vertical members

The self-locking connector head system addresses the inefficiencies of conventional scaffolding by enabling rapid and secure attachment of scaffold panels to vertical members, enhancing safety and structural integrity while reducing setup time.

WO2025043223A1PCT designated stage expired Publication Date: 2025-02-27FAST PANEL ENCLOSURES LTD +3

Patent Information

Application Number
PCT/US2024/043743
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-08-23
Filing Date
2024-08-23
Publication Date
2025-02-27

AI Technical Summary

Technical Problem

Conventional scaffolding systems face challenges in efficiently coupling scaffold panels to vertical members, requiring heavy and difficult-to-handle wooden planks, which are time-consuming to install and remove.

Method used

A self-locking connector head system that includes a mounting member with self-locking connector heads, interior and outer U-channels, panel hooks, and locking slots, allowing for quick and secure attachment of scaffold panels to vertical members using a spring-loaded plunger assembly.

Benefits of technology

The system significantly reduces setup and teardown time by up to 50% compared to traditional systems, enhances safety through automatic locking, and provides improved structural integrity and versatility for various panel sizes and types.

✦ Generated by Eureka AI based on patent content.

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Abstract

A system for connecting different scaffolding elements is disclosed. The system includes a mounting member with self-locking connector heads along its length along with an interior U-channel, an outer U-channel, panel hooks, and locking slots / holes. A top area in the self-locking connector head has a plunger that locks into a cut-out of a scaffold rosette in a vertical member. Scaffold enclosure panels are connected via panel hooks on the outer U- channel of the mounting member, and the self-locking connector head couples to the scaffold panels to the vertical member to create a scaffolding enclosure.
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Description

SELF LOCKING CONNECTOR HEAD TO COUPLE SCAFFOLDING PANELS TO VERTICAL MEMBERSBACKGROUND OF THE INVENTIONField of the Art

[0001] The disclosure relates to the field of modular scaffolding systems, and more particularly to scaffold nodes for connecting scaffold enclosure panels to vertical posts.Discussion of the State of the Art

[0002] Scaffolding structures may be used during the construction of buildings to allow workers access to elevated portions of walls for masonry, glazing, painting, and similar activities Scaffolding enclosures provide scaffold users and weather-sensitive structures or equipment protection from weather events by surrounding the perimeter and the roof of the scaffold with panels. Scaffold enclosure structures offer protection from rain, snow, and windchills for personnel, and gear, and can prevent weather delays.

[0003] Conventionally, the scaffolding structures include vertical members that are typically steel pipes and horizontal members attached between vertical members by coupling means. Planks of wood may be laid to span a distance between horizontal members and planks are laid side-by-side to cover a distance betw een vertical members to provide a walking and standing surface for workers on the scaffolds. Various planks have been developed which also lay side-by-side and span the distance. Wooden planks are heavy and difficult to handle and install.

[0004] Hence there is a need for an easy coupling device betw een scaffold panels and members that is lightweight, inexpensive, efficient to install and remove, and provides the required strength to the scaffolding structure.SUMMARY OF THE INVENTION

[0005] Accordingly, the inventor has conceived and reduced to practice, in a preferred embodiment of the invention, a system for connecting different scaffolding elements, the system including a mounting member with self-locking connector heads along its length, an interior U-channel, an outer U-channel, panel hooks, and locking slots; a top area in the selflocking connector heads with a plunger, wherein the plunger in the top area is coupled to a cut-out in a scaffold rosette of a vertical member; and one or more scaffold panels connected via hooks on the outer U-channel of the mounting member, wherein the self-locking connector head couples the one or more scaffold panels to the vertical member to create a scaffolding structure, wherein the interior U-channel, the outer U-channel and the selflocking connector heads are connected via a plurality of rivets.

[0006] In some aspects, the techniques described herein relate to a system, wherein the plunger is part of a spring-loaded plunger assembly in the self-locking connector heads, and wherein the plunger is a sliding hook tooth present in the top area of the self-locking connector head that slides up to accept the cut-out in the scaffold rosette and springs down to lock into the scaffold rosette to form a ring jaw lock.

[0007] In some aspects, the techniques described herein relate to a system, wherein the spring-loaded plunger assembly is operated via a plunger operation hole in the self-locking connector heads, and wherein an external tool is used for sliding and springing the plunger.

[0008] In some aspects, the techniques described herein relate to a system, where one or more scaffold panels are secured by inserting locking pins in panel locking holes in the hooks of the interior U-channel, the outer U-channel.

[0009] In some aspects, the techniques described herein relate to a system, one or more scaffold panels have slots that overlap and slide into the panel hooks.

[0010] In some aspects, the techniques described herein relate to a system, wherein the panel hooks are teardrop hooks.

[0011] In some aspects, the techniques described herein relate to a system, wherein a wedge is inserted via an opening in the top part of the self-locking connector heads to secure the connection between the vertical member and the scaffold panels connected to the mounting member.

[0012] In some aspects, the techniques described herein relate to a system wherein the selflocking connector head accommodates the plunger and the wedge.

[0013] Advantageously, embodiments of the system described herein provides a significant advantage in setup speed, allowing for much quicker assembly and disassembly compared to conventional scaffolding systems.BRIEF DESCRIPTION OF THE DRAWING FIGURES

[0014] The accompanying drawings illustrate several embodiments of the invention and, together with the description, serve to explain the principles of the invention according to the embodiments. It will be appreciated by one skilled in the art that the particular embodiments illustrated in the drawings are merely exemplary and are not to be considered as limiting of the scope of the invention or the claims herein in any way.

[0015] Fig. 1 shows a mounting member with self-locking connector heads coupling to a vertical member in a scaffolding system;

[0016] Fig. 2 shows a side view of the self-locking connector head coupled to the scaffold rosette of the vertical member;

[0017] Fig. 3A shows an exploded view of the mounting member with a single self-locking connector head;

[0018] Fig. 3B shows another exploded view of the mounting member with two selflocking connector heads;

[0019] Fig. 3C shows another embodiment of an exploded view of the mounting member with two self-locking connector heads and integrated hooks;

[0020] Fig. 4A shows a plan view of the mounting member before coupling of self-locking connector heads with the vertical member;

[0021] Fig. 4B shows a plan view of mounting members with self-locking connector heads coupled to vertical members;

[0022] Fig. 5A shows scaffold panels coupled to the vertical member via self-locking connector heads;

[0023] Fig. 5B shows a side view of the scaffolding panel connecting to panel hooks in the mounting member;

[0024] Fig. 5C shows a front view of a scaffolding structure with different types of panels coupled to vertical members via self-locking connector heads.

[0025] Fig. 5D shows a back view of a scaffolding structure with panels connected between two vertical members using self-locking connector heads;

[0026] Fig. 6A shows a spring-loaded plunger assembly in a self-locking connector head;

[0027] Fig. 6B shows an example mechanism depicting the operation of a spring-loaded plunger assembly in a self-locking connector head;

[0028] Fig. 6C depicts different states of the plunger in the self-locking connector head;

[0029] Fig. 6D shows a top view of the self-locking connector head with a plunger device;

[0030] Fig. 7 shows a side view of the mounting member with a scaffold locking pin;

[0031] Fig. 8 shows the access door jab created using panels in a scaffolding structure;

[0032] Fig. 9A shows the bottom jamb used for creating doorjamb;

[0033] Fig. 9B shows the left comer jamb used for creating the left comer cover of doorjamb;

[0034] Fig. 9C shows the left side jamb used for creating the left side of the dooijamb;

[0035] Fig. 9D shows top jamb used for creating dooijamb;

[0036] Fig. 9E shows the right comer jamb used for creating the right comer cover of the doorjamb;

[0037] Fig. 9F shows the right-side jamb used for creating the right side of dooijamb;

[0038] Fig. 10A shows a scaffolding structure with a roof for providing shelter;

[0039] Fig. 10B shows roof adaptors connecting standards to form a roof for the shelter;

[0040] Fig. 11A depicts a side view of a radius plate roof adaptor and different parts of the radius plate roof adaptor;

[0041] Fig. 11B depicts a pair of radius plates connected to form a roof adaptor 908 that couples the standards;

[0042] Fig. 11C depicts a custom shoulder bolt that allows ledgers (horizontal members) to be secured to the eyes of the shoulder bolts; and

[0043] Figs. 12A and 12B show a standoff device used in the roof scaffolding.DETAILED DESCRIPTION

[0044] One or more different inventions may be described in the present application. Further, for one or more of the inventions described herein, numerous alternative embodiments may be described; it should be appreciated that these are presented for illustrative purposes only and are not limiting of the inventions contained herein or the claims presented herein in any way. One or more of the inventions may be widely applicable to numerous embodiments, as may be readily apparent from the disclosure. In general, embodiments are described in sufficient detail to enable those skilled in the art to practice one or more of the inventions, and it should be appreciated that other embodiments may be utilized and that structural, logical, software, electrical and other changes may be made without departing from the scope of the particular inventions. Accordingly, one skilled in the art will recognize that one or more of the inventions may be practiced with various modifications and alterations. Particular features of one or more of the inventions described herein may be described with reference to one or more particular embodiments or figures that form a part of the present disclosure, and in which are show n, by way of illustration, specific embodiments of one or more of the inventions. It should be appreciated, however, that such features are not limited to usage in the one or more particular embodiments or figures with reference to which they are desenbed. The present disclosure is neither a literal description of all embodiments of one or more of the inventions nor a listing of features of one or more of the inventions that must be present in all embodiments. Headings of sections provided in this patent application and the title of this patent application are for convenience only and are not to be taken as limiting the disclosure in any way.

[0045] Fig. 1 shows a mounting member 100 with self-locking connector heads coupling to a vertical member in a scaffolding system. Mounting member 100 includes multiple selflocking connector 102 heads 102, interior U-channel 110, outer U-channel 112, panel hooks108, and panel locking slots 106. Self-locking connector heads 102 may be configured to connect panels (not shown) connected on panels hooks 108 of mounting member 100 to the vertical member (not shown). Panel hooks 108 are teardrop hooks that accommodate the panels. Scaffold panels may have a slot that may overlap and slide into panel hooks 108. Rivets 114 may be used for securing self-locking connector head 102 and panels securely. Further, mounting member 100 may include multiple rivets in all the components to increase the strength and durability of self-locking connector head 102. In an embodiment, panels may be manufactured using lightweight materials. For example, panels may be made of sheet metal.

[0046] Fig. 2 shows a side view of self-locking connector head 102 coupled to scaffold rosette 204 of vertical member 200. Head 102A of self-locking connector 102 is locked to vertical member 200. In an embodiment, vertical members 200 are typically cylindrical tubes comprised of hot-dip galvanized steel, aluminum, or the like. Vertical members may also be referred to as vertical posts or standard.

[0047] Scaffold rosettes 204 are scaffolding rings that provide a lock for vertical members. In an embodiment, scaffold rosettes 204 may be part of ring lock modular scaffolding vertical members. In an embodiment, scaffold rosettes 204 may be made from high-strength steel plates of 8-10mm thickness in round shapes. At the center of the round rosettes, there is a big hole welded to scaffold vertical member 200. Holes 206 on the scaffold rosettes 204 allow horizontal, braces, and bracket connections.

[0048] Ring lock scaffolding system may facilitate constructors to assemble, use, and disassemble scaffolds with speed and efficiency. The system embraces a minimalist design allowing the assembly of minor components to support mega structures. Scaffold rosettes 204 may be positioned and then welded or otherwise attached along the tubes providing connections for horizontal members and diagonal braces. Vertical member 200 can have multiple scaffold rosettes 204 placed along the tubing using a predetermined spacing between scaffold rosettes 204. Similarly, mounting member 100 may include a plurality of selfconnector heads 102 along its length.

[0049] Fig. 3A shows an exploded view of mounting member 100 with a single self-locking connector head 102. self-locking connector head 102 includes an inner part 302 and an outer part 304. The inner part 302 and outer part 304 connect along w ith the interior U-channel 110 and outer U-channel 112 to receive scaffold panels. Outer part 304 of the self-lockingconnector 102 has a slot 304A which is positioned over opening 302C of the top part 302A for receiving the wedge 104 when the inner part 302 and outer part 304 are connected. Outer part 304 includes a slot 304A that allows wedge 104 to be inserted into a top area 302A of the inner part 302. Top area 302A has opening 302C. A wedge 104 is inserted in top area 302A of the self-locking connector 102 via slot 304A to secure the self-locking connector head to a vertical post. Multiple rivets 114 (both marked and unmarked) are used for connecting the different components of mounting member 100

[0050] Fig. 3B shows another exploded view of mounting member 100 with two selflocking connector heads 102. Several parts of mounting member 100 have been described in Figs.3A. In addition, the exploded view in Fig. 3B shows slots 306 on outer U-channel 112 via which panel hooks 108 in inner-U channel 110 connect to outer-U channel 112 to receive scaffold panels.

[0051] Fig. 3C shows another embodiment of an exploded view of the mounting member with two self-locking connector heads and integrated hooks, according to an embodiment of the invention. Several parts of mounting member 100 have been described in Figs. 3A-3B. In another embodiment, panel hooks 108 are integrally connected to inner-U channel 110.

[0052] Fig. 4A shows a plan view of mounting member 100 before coupling of self-locking connector heads 102 with vertical member 200. Fig. 4B shows a plan view of mounting member 100 with self-locking connector heads 102 coupled to vertical member 200. Wedge 104 is inserted in top area 302A of the self-locking connector head 102 to secure the mounting member 100 w ith scaffold panels (not shown) to a vertical member 200.

[0053] Fig. 5A shows scaffold panels coupled to vertical member 200 via self-locking connector heads 102. Fig. 5A depicts two self-locking connector heads 102A and 102B coupled to scaffold rosettes 204A and 204B respectively. Scaffold panels 502S and 502 may have slots that overlap and slide into panel hooks 108. Panel hooks 108 are teardrop hooks that accommodate scaffold panels 502S and 502. In an embodiment, scaffold panels of different sizes may be using the same self-locking connector head 102. The use of selfconnecting connector 102 to couple scaffold panels to the vertical member 200 improves the overall strength of the scaffold panels and scaffolding structure. Individual panels 502S and 502 may be connected via panel hooks 108 on mounting member 100, and self-locking connector head 102 couples scaffold panels 502S and 502 to vertical member 200.

[0054] Fig. 5B shows a side view of scaffolding panel 500 connecting to panel hooks 108 in the mounting member 100. Scaffolding panel 500 goes over panel hooks 108 and locks into position in mounting member 100.

[0055] Fig. 5C shows a front view 500C of a scaffolding structure with different types of panels coupled to vertical members 200A and 200B respectively via self-locking connector heads 102 on mounting members. Scaffold panels 504, 504S and 510 may be connected between two vertical members 200A and 200B using a plurality' of self-locking connectors heads 102 of mounting members 100A and 100B(not shown) respectively. Self-locking connectors heads 102 and mounting member 100A are visible and mounting member 100B is not visible.

[0056] Scaffold panels include panels of different sizes. The system can accommodate panels of different sizes, including standard, shortened, and relief panels. This adaptability allows for customization of the scaffolding structure to fit various construction needs. In an embodiment. Scaffold panels may include panel 504 which is of a standard panel size. In some embodiments, the standard panel size may be shortened to include a relief panel. Shortened panel 510S and relief panel 510 together are the size of standard panel 504. Relief panels 510 may be designed to provide access to workers to parts of the structure being scaffolded. Further, scaffold panels may be designed to accommodate the length of the scaffolding bay. Scaffolding bay length refers to the distance between the vertical members 200. Further, different types of panels may be used in panel arrangement 400.

[0057] Fig. 5D shows a back view 500D of a scaffolding structure with scaffold panels connected between two vertical members 200A and 200B via self-locking connector heads 102 on mounting members 100A and 100B respectively. Mounting member 100B and a plurality of self-locking connector heads 102 are visible in Fig. 5D.

[0058] Fig. 6A shows a spring-loaded plunger assembly 604 in self-locking connector head 102. Self-locking connector head 102 automatically engages with and locks onto scaffold rosette 204 of the vertical member 200. Self-locking connector head 102 couples to vertical member 200 via scaffold rosette 204 of vertical member 200. In an embodiment, spring- loaded plunger assembly 604 uses a plunger 602 in the form of a sliding hook tooth. To lock the self-lock connector 102 into scaffold rosette 204, spring-loaded plunger assembly 604 provides a sliding hook tooth 602 that slides up to accept the scaffold rosette 204 and springs down to lock into the scaffold rosette 204 to form a ring jaw lock. The automatic self-lockingnature of the assembly provides an additional safety measure, ensuring connections remain secure even if not manually checked. Further, this type of self-locking connector heads 102 results in faster installation of a panel enclosure system over a construction zone. Further, the locking mechanism provides the required strength to the overall scaffolding structure.

[0059] Fig. 6B shows an example mechanism depicting the operation of a spring-loaded plunger assembly 604 the self-locking connector head 102. A plunger control tool 606 may be inserted via operation hole 608 in self-locking connector 102. Plunger 602 extends from spring-loaded plunger spring assembly 604. Plunger 602 (sliding hook tooth) is pushed upwards against spring tension when being positioned on scaffold rosette 204. Once in position, the spring force pushes the plunger down, allowing it to engage with scaffold rosette 204. A ring jaw lock is created.

[0060] Fig. 6C depicts the different states of the plunger 602. During operation when plunger 502 is extended, a plunger hole 612 is vacant(shown as 612). When plunger 502 is depressed for sliding onto scaffold rosette 204, plunger hole 612 is covered by plunger movement. An operation hole 608 is used for the insertion of plunger control tool 606 (shown in Fig. 6B) for quick release of the self-lock connector head 102 from vertical member 200.

[0061] In Fig. 6D, a top view of self-locking connector head 102 with plunger 602 and spring-loaded plunger assembly 604 is shown.

[0062] Fig. 7 shows a side view of mounting member 102 with scaffold locking pin 508. Scaffold locking pin 508 is a securing device used in scaffolding structures to connect and lock various components together, particularly vertical members 508 to scaffold panels. They are typically cylindrical or U-shaped elements designed to fit through aligned openings in the interior U-channel 110 and the outer U-channel 112.

[0063] Panel locking slots 106 on outer U-channel 112 and interior U-channel 110 may be used for locking scaffold panels to vertical member 200. Scaffold locking pin 508 may be inserted via panel locking slots 106. While not primarily load-bearing, locking pin 508 may provide an additional layer of safety by preventing scaffold elements from being unintentionally pulled apart. Further, the locking pin connection allows for some flexibility in the scaffold structure, which can be beneficial for overall stability’ and stress distribution.

[0064] This type of locking helps in securing scaffolding structures, maintaining overall stability, and ensuring the structural integrity of the scaffolding structures. They are designed for quick insertion and removal, facilitating rapid assembly and disassembly of the scaffold.

[0065] In an embodiment, a choice of materials for the components of the scaffolding system is crucial for ensuring safety, durability, and efficiency. The following specifications detail the materials used for key components:

[0066] Vertical Members 200:• Material: Hot-dip galvanized steel or aluminum• Steel Grade: ASTM A500 Grade B or equivalent• Panels are 18 ga, uprights and outside comers are 14 GA.PRE galvanized, grade 33 metal a. Standard panel -0 / 5 meter high b. Guage 18 c. Coasting G90• Wall Thickness: 3.0 mm to 4.0 mm• Corrosion Protection: Hot-dip galvanized with minimum zinc coating of 610 g / m2. Coating is g90 min.

[0067] Scaffold Rosettes 204:• Material: High-strength steel to meet G90 specs for elongation etc• Steel Grade: S355J2H, Garde 33, or equivalent• Thickness: 8 mm to 10 mm, 18 gauge and 14 gauge• Corrosion Protection: Hot-dip galvanized with minimum zinc coating of 610 g / m2

[0068] Self-Locking Connector Heads 102:Plunger Material: Hardened steel (e.g., AISI 4140)Surface Treatment: Anodized for corrosion resistance

[0069] Mounting Member 100:• Material: pregalvenized grade 33 g90

[0070] Scaffold Enclosure Panels 502, 504, 510:• Frame Material: Aluminum alloy (e.g., 6063-T5) pre galvanized grade 33 G90• Panel Material: High-density' polyethylene (HDPE) or flame-retardant reinforced plastic• Panel Thickness: 2 mm to 4 mm

[0071] Panel Hooks 108:• Material: Stainless steel (e.g., AISI 304)• Thickness: 3 mm to 5 mm

[0072] Rivets 114:• Material: Aluminum or stainless steel• Shear Strength: Minimum 3.5 kN per rivet

[0073] Wedge 104:• Material: Hardened steel (e.g.. AISI 4140)• Surface Treatment: Zinc-plated for corrosion resistance

[0074] Spring for Plunger Assembly 604:• Material: Stainless steel (e.g., AISI 302)• Wire Diameter: 0.8 mm to 1.2 mm

[0075] Materials used in the system described herein comply with relevant ASTM, EN, or ISO standards for structural applications. The selection of these materials ensures a balance between strength, weight, durability, and corrosion resistance, making the system described herein suitable for various environmental conditions and long-term use.

[0076] It would be appreciated by one with ordinary skill in the art that other materials may be used.

[0077] The self-locking connector head scaffolding system incorporates a comprehensive array of safety features designed to enhance worker protection and structural integrity. At the core of the system's safety is the automatic locking mechanism. The spring-loaded plunger assembly 604 in the self-locking connector heads 102 may automatically engage with the scaffold rosette 204, eliminating the risk of incomplete connections due to human error or oversight. This engagement is confirmed by an audible "click," providing immediate audio and visual verification of proper connection.

[0078] Visual inspection may be facilitated through the plunger position, which serves as a clear indicator of proper engagement. When fully locked, the plunger sits flush with the connector head surface, allowing for quick visual checks by workers and safety officers. This visual confirmation is complemented by a redundant locking system. In addition to the spring-loaded plunger, wedge 104 may provide a secondary locking mechanism, ensuring the connection remains secure even under dynamic loads.

[0079] The structural integrity is further enhanced by the use of high-strength materials, as detailed previously. These materials are chosen to exceed standard load-bearing requirements, providing an additional safety margin. Corrosion resistance is achieved through the use of galvanization and anodizing treatments, ensuring long-term durability particularly in outdoor or harsh environmental conditions.

[0080] Secure panel attachment is achieved through panel locking slots 106 and scaffold locking pins 508, which prevent accidental panel dislodgement and reduce the risk of falls or falling objects. Teardrop-shaped panel hooks 108 are designed to securely hold panels while allowing for easy installation and removal, with their shape preventing accidental unhooking during use. In some embodiment, panels may also locked onto system via a locking pin through the tear drop shaped hooked.

[0081] Load distribution is optimized through the design of self-locking connector heads 102 and their attachment to vertical members 200 via scaffold rosettes 204. This design advantageously ensures even load distribution, reducing the risk of localized stress points that could lead to structural failure. In emergency situations, a quick release mechanism isprovided through the plunger operation hole 608, allowing for rapid disassembly when needed.

[0082] The unique design takes into account the use of standard construction Personal Protective Equipment (PPE), ensuring no interference with harnesses, lanyards, or other safety equipment. Weather protection is provided by the enclosed panel system, including features like access dooijamb 802. which reduces slip hazards and improves overall working conditions.

[0083] The modular nature of the system, with its multiple connection points, creates a redundant structure that enhances overall structural stability and safety. This distributed loadbearing design significantly contributes to the system's robustness and reliability.

[0084] These integrated safety features work in concert to create a system that not only meets but exceeds standard safety requirements. The combination of automatic locking, visual indicators, redundant systems, and high-quality materials significantly reduces the risk of accidents and structural failures. As a result, systems disclosed herein represent a superior choice for worker safety and project security, setting a new standard in scaffolding system design and implementation.

[0085] Fig. 8 shows access doorjamb 802 created using panels in a scaffolding structure. In enclosed scaffolding, doorjambs play a role in maintaining the weather protection provided by the enclosure while still allowing necessary access. Doorjambs are designed to integrate seamlessly with the scaffold panels (704). They are typically placed between panel arrangements, creating a structured opening without compromising the overall integrity7of the scaffold enclosure.

[0086] Doorjamb 802 is a frame structure that creates an opening or passageway through the scaffold enclosure panels. It essentially forms the sides and top of a door-like opening in the scaffold structure. Dooijambs are designed to integrate seamlessly with the scaffold panels. They are typically placed between panel arrangements, creating a structured opening without compromising the overall integrity of the scaffold enclosure.

[0087] Doorjamb 802 may be used to provide entry and exit points for workers, allowing them to move in and out of the enclosed scaffold area. In an embodiment, doorjamb 802 may be used for material and equipment into and out of the enclosed space. Further, in somecases, doorjamb 802 may serve as an emergency exit in case of accidents or other safety incidents.

[0088] Panel arrangements 804 around the doorjamb include vertical standard size panel 504 and shortened panels 510S with relief panel 510. As discussed in Figs. 5A-5D, panels 804 are connected to the vertical members 202 via multiple self-locking connector heads 102. Access doorjambs 802 may be created using multiple jambs top jamb 806 (that forms the upper part of the door frame), bottom jamb 808(that forms the bottom part of the door frame), left comer jamb 810 (that forms the left side part of the door frame), and right comer jamb 812 (that forms the upper part of the door frame). Doorjambs may be arranged to create a scaffolding enclosure around construction sites and protect workers and buildings from weather. The modular nature of this doorjamb 802 allows for flexibility in placement. They can be positioned wherever access is needed in the scaffold structure.

[0089] Fig. 9A shows a bottom jamb used for creating a doorjamb. Fig. 9B shows a left comer jamb used for creating the left comer cover of a doorjamb. 802 and 804 shows panels Fig. 9C shows a left-side jamb used for creating the left side of a doorjamb. Fig. 9D shows a top jamb used for creating the dootjamb. Fig. 9E shows a right comer jamb used for creating the right comer cover of a dootjamb. Fig. 9F shows a right-side jamb used for creating the right side of a doorjamb.

[0090] Fig. 10A shows a scaffolding structure with a roof for providing shelter. The scaffolding structure providing shelter may be commonly used in construction, maintenance, or repair of buildings, industrial maintenance, and other large structures.

[0091] In an embodiment, the scaffolding structure may be constructed using standards 1002. Standards 1002 described herein is similar to vertical member 200 described in Figs. 2- 7. standards 1002 are mounted on a screwjacks 1006. Screwjacks 1006, also known as jack screws or scaffolding jacks, are adjustable mechanical devices used to support and level scaffolding or other structures. Collars 1004 are a ty pe of coupler used for connecting horizontal tubes (ledgers or runners) to vertical tubes (standards or uprights) at a right angle. While constructing the roof, additional coupling devices or adaptors are used that support the construction of the roof using standards 1002. Roof adaptors or couplers 1008, also known as roof scaffolding couplers are specialized scaffolding components used to attach standards 1002 to create a sloping roof for a shelter. Details related to the roof adaptor are described inFigs. 11A and 11B. In an embodiment, the scaffolding structure with the roof may be created for dry storage.

[0092] Fig. 10B shows roof adaptors 1008 connecting standards 1002 to form a roof for the shelter. Standard 1002 may be connected to roof adaptor 1008. Details related to the coupling of standards 1002 to roof adaptors 1008 are described in Figs. 11A and 11B. A mounting member 1016 with panel hooks 1012 is connected to standard 1002A using self-locking connector 1014 that attaches to rosette 1016 of standard 1002A. Panel 1010 is connected to the shelter using the hook 1012 on mounting member 1018. Standard 1002A, self-locking connector 1014, rosette 1016, panel 1010, hook 1012, and mounting member 1018 are similar to standard 200, self-locking connector 1002, rosette 204. panel 406, hook 108, and mounting member 100 described in Figs. 1-7.

[0093] In addition to using roof adaptors 1008 to form a roof using standards 1002, standoff devices 1011 are used to support standards 1002 in forming the roof.

[0094] Fig. 11A depicts a side view of a radius plate roof adaptor 1100 and different parts of radius plate roof adaptor 1100. Radius plate roof adaptor 1100 comprises a main rod 1101, radius plate 1103, and a sleeve 1102. Main rods couples to the standard 1002 and includes a groove 1104, to receive radius plate 1103. Radius plate 1103 may be ty pically made from durable materials such as stainless steel, aluminum, or high-impact plastic. Sleeve 1102 couples the radius plate 1103 and standard 1002 together. Sleeve 1102 may be cut from a pipe of a scaffolding standard. Roof adaptor 1008 is formed by combining two radius plate roof adaptors 1100. The radius plates may be joined by a custom shoulder bolt 1106 (referring to Fig. 11C) that allows ledgers (horizontal members) to be secured to the eyes of shoulder bolts 1106.

[0095] Fig. 11B depicts a pair of radius plates 1103A and 1103B connected to form a roof adaptor 1008 that couples the standards 1002. In an embodiment, main roads 1101A and 1101B couples to respective standards 1002 on one side and couples to radius plates 1103A and 1103B that form roof adaptor 1008. Main rods 1101A and 1101B receiving the radius plates 1103A and 1103B may be welded over sleeves 1102A and 1102B. A bolt or nut or washer or a bullet style pin 1105 may be inserted in the circle of the radius plates 1103A and 1103B to form roof adaptor 1008.

[0096] Figs. 12A and 12B show a standoff device 1011 used in the roof scaffolding. Standoff devices 1011 Standoff device 1011 includes a steel tube 1201 connected to a half bolt-up swivel clamp or wedge or equivalent 1202 that latches on to standards 902. The length of the steel tube 1101 may vary depending on the style of clamp or manufacturer.

[0097] The roof mechanism described herein offers several key advantages. The adjustable roof adaptors 1008 allow for various roof angles, accommodating different project requirements and local building codes. The use of components like the radius plate roof adaptors 1100 and standoff devices 1011 enables quick and efficient roof assembly, reducing overall project time. The sloped roof design provides superior protection against rain, snow, and sun, and other environmental elements extending the usable working hours and improving overall project efficiency. By utilizing the standards 1002 and incorporating dedicated roof adaptors 1008, the roof structure integrates seamlessly with the overall scaffolding system, ensuring a stable and secure shelter. The modular nature of the roof components allows for easy expansion or modification of the sheltered area as project needs change. The enclosed roof structure provides an additional layer of protection for workers, reducing the risk of falls from height and creating a safer work environment in adverse weather conditions. The ability to quickly erect a weather-protected workspace can significantly reduce project delays and associated costs, providing a strong return on investment for the scaffolding system.

[0098] Roof adaptors 1008 are ty pically manufactured from high-strength steel (or other materials mentioned above with respect to other components), similar to the scaffold rosettes, to ensure durability and load-bearing capacity. The radius plates 1103 are made from stainless steel or high-strength aluminum alloy to provide corrosion resistance and structural integrity. The roof structure, when properly assembled using the described roof adaptors 1008 and standoff devices 1011, is operable to support a suitable distributed load, making it appropriate for various weather conditions including snow loads in many regions. The roof panels are designed with overlapping edges and sealed joints to ensure watertightness. The slope created by the roof adaptors 1008 facilitates water runoff, preventing pooling and reducing the risk of leaks.

[0099] To further enhance the roof assembly process, the roof adaptors 1008 can be adjusted to achieve roof angles ranging from 15 to 45 degrees, allowing for optimal drainage and load distribution based on specific project requirements. Roof panels are attached to thestructure using a similar hook and slot system as the wall panels, ensuring consistency in assembly methods and reducing the need for specialized training. The assembly process for the roof structure follows these general steps: install the lower standards 1002 and secure them with screwjacks 1006, attach roof adaptors 1008 to the top of the lower standards, install upper standards 1002 into the roof adaptors 1008, secure standoff devices 1011 between lower and upper standards for additional support, attach mounting members with panel hooks to the upper standards, and finally install roof panels, ensuring proper overlap and sealing.

[0100] Standoff devices 1011 are ty pically spaced at regular interv als along the roof structure, providing additional stability’ and load distribution. They can be adjusted in length to achieve the desired roof angle and height. Safety considerations specific to the roof assembly’ include the use of fall protection systems during installation of upper components, regular inspection of roof adaptor connections and standoff devices to ensure structural integrity, and proper training for workers on the unique aspects of roof assembly and disassembly. These enhancements to the roof system provide a comprehensive and unique solution for creating secure, weather-resistant shelters using the scaffolding structure, further extending the versatility and value of the overall system.

[0101] The roofing system described herein offers significant advantages over traditional scaffolding roof solutions known in the art. Unlike conventional scaffolding roofs that often rely on separate framework or cumbersome tarpaulin covers, this integrated system utilizes the existing vertical standards and specialized adaptors, resulting in a more streamlined and structurally sound design. The adjustable roof adaptors 1008 provide a level of versatility' not ty pically found in standard scaffolding roof systems, allowing for various roof angles to be achieved easily. This adaptability surpasses fixed angle designs common in the industry. The use of radius plate roof adaptors 1100 and standoff devices 1011 enables a faster and more efficient assembly process compared to traditional methods that may require extensive additional components or specialized skills. The system's ability' to create a fully enclosed, weather-resistant workspace with proper water runoff is a significant improvement over basic overhead protection offered by many existing scaffold covers. Furthermore, the modular nature of this roof system allows for easier expansion, modification, and transportation than conventional rigid or semi-rigid scaffolding roof structures. The integration with the selflocking connector system for panel attachment ensures a cohesive design that enhances overall stability’ and safety, surpassing the often-disparate roofing solutions added to standardscaffolding. This roofing system represents a considerable advancement in scaffolding technology, offering improved weather protection, assembly efficiency, and structural integration compared to known art.

[0102] It would be appreciated by one with ordinary skill in the art that the self-locking connector head system for coupling scaffolding panels to vertical members offers several significant advantages over conventional scaffolding systems, specifically:

[0103] The systems described herein provide rapid setup and disassembly whereby the selflocking mechanism allows for much faster assembly compared to traditional systems. Setup time is reduced by up to 50% (or more) compared to conventional bolt-and-nut or wedgebased systems. Further, quick-release plunger mechanism enables swift disassembly, enhancing efficiency in project completion and site clearance.

[0104] The systems described herein provide enhanced safety whereby an automatic locking feature reduces the risk of incomplete or improper connections. Advantageously, a visual confirmation of proper engagement provides additional safety assurance as well as reduced assembly time minimizes worker fatigue and associated risks.

[0105] The systems described herein provide improved structural integrity whereby the selflocking mechanism ensures consistent and secure connections across the scaffold structure including spring-loaded plunger maintains tension that compensate for movements or vibrations.

[0106] The systems described herein provide versatility that is compatible with various panel sizes and types, strategically allowing for flexible configuration and adaptable to different vertical member systems with standardized rosettes.

[0107] The systems described herein provide cost-efficiency whereby faster assembly and disassembly translate to reduced labor costs and durable materials and design minimize replacement and maintenance expenses.

[0108] The systems described herein provide user-friendly operation whereby intuitive locking mechanisms require minimal training for proper use and further reduce physical strain on workers compared to traditional tightening methods.

[0109] The systems described herein provide improved weather resistance whereby the comprised materials offer corrosion resistance and enhancing longevity in various environmental conditions.

[0110] These advantages collectively result in a system that is not only faster to deploy but also safer, more reliable, and more cost-effective than conventional systems. The significant reduction in setup time, in particular, addresses a critical need in the construction industry for more efficient scaffolding solutions.[OHl] The skilled person will be aware of a range of possible modifications of the various embodiments described above. Accordingly, the present invention is defined by the claims and their equivalents.

Claims

CLAIMSWhat is claimed is:

1. A system for connecting different scaffolding enclosure elements, the system comprising: a mounting member with self-locking connector heads along its length, an interior U- channel, an outer U-channel, panel hooks, and locking slots; a top area in the self-locking connector heads with a plunger, wherein the plunger in the top area is coupled to a cut-out in a scaffold rosette of a vertical member; and one or more scaffold enclosure panels connected via hooks on the outer U-channel of the mounting member, wherein the self-locking connector head couples the one or more scaffold enclosure panels to the vertical member to create an enclosed scaffolding structure, wherein the interior U-channel, the outer U-channel and the self-locking connector heads are connected via a plurality of rivets.

2. The system of claim 1, wherein the plunger is part of a spring-loaded plunger assembly in the self-locking connector heads, and wherein the plunger is a sliding hook tooth present in the top area of the self-locking connector head that slides up to accept the cut-out in the scaffold rosette and springs down to lock into the scaffold rosette to form a ring jaw lock.

3. The system of claim 2, wherein the spring-loaded plunger assembly is operated via a plunger operation hole in the self-locking connector heads, and wherein an external tool is used for sliding and springing the plunger.

4. The system of claim 1, wherein the one or more scaffold enclosure panels are secured by inserting locking pins in panel locking slots of the tear drop shaped hooks interior U-channel, the outer U-channel.

5. The system of claim 1, wherein the one or more scaffold panels have slots that overlap and slide into the panel hooks.

6. The system of claim 1, wherein the panel hooks are teardrop hooks.

7. The system of claim 1, wherein a wedge is inserted via an opening in top part of the selflocking connector heads to secure the connection between the vertical member and the scaffold panels connected to the mounting member.

8. The system of claim 7, wherein the self-locking connector head accommodates the plunger and the wedge.

Citation Information

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