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Modular roof installation scaffolding system

a scaffolding system and module technology, applied in the field of modular scaffolding systems, can solve problems such as excessive bowing or breakage, system undesirable, and unnecessary support structures

Inactive Publication Date: 2007-03-22
MEGNA ADAM J +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010] A modular roof installation scaffolding system for attachment to a roof having an inclined roof deck and a ridge comprises at least two rails spaced from each other and extending generally parallel to the roof deck, at least two feet movably coupled to each rail for supporting the rail a preselected distance away from the roof deck, at least one jack movably coupled to each rail independent of the at least two feet, and a movable plank extending between and affixed to the jacks on adjacent rails. The feet can be moved from a first position to a second position to maintain support for the rails on the roof deck while enabling roofing materials to be attached to the roof deck beneath the scaffolding system without having to move the jacks or the movable plank.

Problems solved by technology

If the roof has a shallow pitch, a support structure may be unnecessary.
However, both of these systems are undesirable.
First, the use of ladders requires a readily available, sufficiently strong anchor point for attaching the rope.
This is time consuming, and can be dangerous during the time that the worker is no longer supported by the ladder.
Secondly, as the installation of the shingles progresses, the ladder must be moved to allow shingles to be installed beneath the ladder.
However, this necessitates the use of very long planks, which may bow excessively or break, and are heavy to move and install.
Furthermore, the planks can move while supported by the jacks, causing a worker or equipment to be thrown from the plank.
Again, this can be time consuming, and dangerous during the times that the worker is no longer supported by the jack system.

Method used

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Examples

Experimental program
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second embodiment

[0036] A plurality of rails 20 can be spaced along the roof 12 in order to provide a scaffolding system that extends over the entire roof area. One means of assembling the rails 20 and planks 24 into a unified scaffolding system is illustrated in FIG. 6. In this configuration, a pair of rails 20 is placed in contact along their entire length and secured together with the jack 150 adapted for slidable registry with both rails 20. The jack 150 is similar to the jack 22 except that the jack 150 is approximately twice the width of the jack 22 to accommodate two rails 20. The jack 150 comprises a sliding portion 152 and a plank support 154 in the same general configuration as the sliding portion 70 and the plank support 72. The a sliding portion 152 comprises a top wall 156 and a pair of parallel, spaced-apart side walls 158, 160 depending therefrom to define a channelway 162. Pairs of apertures 164 extend through the top wall 156 for coaxial registry with the apertures 46 in the rails 2...

third embodiment

[0040]FIG. 10 illustrates a ridge hook 220 comprising a connecting leg 222 hingedly attached to a retaining leg 224 through a hinged connection 228. The retaining leg 224 has at least one adjustment plate 226 rigidly attached thereto having a plurality of apertures 234 extending along a circular arc having its center coaxial with the hinged connection 228. The apertures 234 of the adjustment plate 226 are adapted for coaxial registry with apertures in the side walls of the connecting leg 222 for receipt of a pin therethrough. The angle a between the retaining leg 224 and the longitudinal axis 232 of the rail 20 can be selected to correspond with the ridgeline angle defined by the pitch of the roof 12 by pivoting the retaining leg 224 relative to the connecting leg 222 and securing the retaining leg 224 to the connecting leg 222 at the proper angle a by insertion of a pin 140 through the apertures in the adjustment plate 226 and the connecting leg 222. The connecting leg 222 is simil...

fourth embodiment

[0041]FIG. 11 illustrates a ridge hook 240 comprising a connecting leg 242 hingedly attached to a retaining leg 244 through a hinged connection 248. The retaining leg 244 is rigidly attached to a retaining plate 246 adapted to contact the opposed roof deck. The underside of the retaining plate 246 is provided with a plurality of teeth 252 adapted to bite into the roof deck. Additionally, the retaining plate 246 can be provided with a plurality of apertures 254 for attachment of the retaining plate 246 to the roof deck. The connecting leg 242 is similar to the connecting legs 202, 222, and is provided with apertures 250 for attachment of the insert portion 40 to the connecting leg 242 as previously described.

[0042] As an alternative to the pins 140 and retainers 142 described herein, one or more of the rails, the jacks, the planks, and the feet can be provided with generally well-known spring- loaded pins to eliminate the need for an adequate supply of pins and the inadvertent mispla...

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PUM

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Abstract

A modular roof installation scaffolding system comprises a plurality of light-weight, generally rectilinear rails having a plurality of regularly-spaced apertures extending laterally therethrough. The rails are supportable upon a plurality of feet adapted for pinned connection to the rails utilizing the apertures. One or more jacks are slidably supportable on the rails and are adapted for pinned connection to the rails. The jacks are adapted to support one or more planks extending orthogonally to and across the rails for supporting one or more roofing installers thereon. A roof hook is attachable to each rail for supporting the scaffolding on the roof at the ridgeline of the roof.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Application Ser. No. 60 / 596,320, filed Sep. 16, 2005.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The invention relates generally to scaffolding systems and particularly to a modular scaffolding system for use during installation of shingles and related roofing components. [0004] 2. Description of the Related Art [0005] Building roofs, particularly roofs on residential buildings, frequently comprise shingles attached to an underlayment or roof deck. The shingles must be installed one-by-one by workers supported on the roof deck. The workers typically install a first row of shingles along the lower edge or eave of the roof deck, and progressively install rows of shingles up the roof deck to the peak. The workers may use hammers and nails, electric nailers, pneumatic nailers, and the like, to attach the shingles to the roof deck. Thus, the workers typically hav...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E04G3/26
CPCE04G3/26
Inventor MEGNA, ADAM J.MEGNA, MICHAEL A.
Owner MEGNA ADAM J
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