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US5172997A Expired / Lapsed US ⏱️ 0.0 years remaining

Connecting piece for scaffolding

Assignee: Etobicoke Ironworks Ltd
•
Filing: 1991-11-13
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Granted: 1992-12-22
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Expires: 2011-11-13
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Abstract

Abstract A connecting piece is disclosed for connecting an elongate bracing element to an apertured locking disk on a scaffolding standard. The locking disk is of the sort that is provided with a plurality of apertures spaced around its perimeter. The connecting piece is provided with an upper portion, a lower portion and a slot between the upper and lower portions of suitable width to accommodate insertion of a disk therein. The upper and lower portions are provided with aligned apertures situated to align with an aperture on a disk. The connecting piece is provided with a locking wedge element captive in the apertures of the upper and lower portions and drivable through the aligned apertures of the upper and lower portions and the locking disk. The connecting piece is adapted for attachment to a said brace element, and is characterized in that it is provided with a vertical portion spanning the upper and lower portions at the rear thereof, the vertical portion being provided with a pair of bevelled surfaces extending rearwardly angled at substantially 45° thereto each surface being adapted for connection of a connecting piece to a brace.

Inventors

  • 👤 John G. Brasil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:44
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/306; E04G7/307; E04G7/32; Y; Y10; Y10T; Y10T403/00; Y10T403/30

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 190 words
A connecting piece for connecting an elongate bracing element to an apertured locking disk on a scaffolding standard, said locking disk being of the sort that is provided with a plurality of apertures spaced around its perimeter, said connecting piece being provided with an upper portion, a lower portion and a slot between said upper and lower portions of suitable width to accommodate insertion of said disk therein, said upper and lower portions being provided with aligned apertures situated to align with an aperture on a said disk, said connecting piece being provided with a locking wedge element captive in said apertures of said upper and lower portions and drivable through the aligned apertures of said upper and lower portions and said locking disk, said connecting piece being adapted for attachment to a said brace element, characterized in that said connecting piece is provided with a vertical portion spanning said upper and lower portions at the rear thereof, said vertical portion being provided with a pair of bevelled surfaces extending rearwardly angled at substantially 45° thereto each surface being adapted for connection of said connecting piece to a said brace.
Claim 2
Dependent Claim 190 words
A connecting piece for connecting an elongate bracing element to an apertured locking disk on a scaffolding standard, said locking disk being of the sort that is provided with a plurality of apertures spaced around its perimeter, said connecting piece being provided with an upper portion, a lower portion and a slot between said upper and lower portions of suitable width to accommodate insertion of said disk therein, said upper and lower portions being provided with aligned apertures situated to align with an aperture on a said disk, said connecting piece being provided with a locking wedge element captive in said apertures of said upper and lower portions and drivable through the aligned apertures of said upper and lower portions and said locking disk, said connecting piece being adapted for attachment to a said brace element, characterized in that said connecting piece is provided with a vertical portion spanning said upper and lower portions at the rear thereof, said vertical portion being provided with a pair of bevelled surfaces extending rearwardly angled at substantially 45° thereto each surface being adapted for connection of said connecting piece to a said brace.
Claim 3
Dependent Claim 25 words
A connecting piece as claimed in claim 1, wherein said bevelled surfaces are the rearmost surfaces of a thickened portion of said vertical spanning portion.
Claim 4
Dependent Claim 35 words
A connecting piece as claimed in claim 2, wherein the rearmost corners of said upper and lower portions are also bevelled, to provide clearance for a said bracing element attached to a said bevelled surface.
Claim 5
Dependent Claim 36 words
A connecting piece as claimed in claim 2, wherein each said bevelled surface is provided with a threaded hole to accept a bolt, whereby a said bracing element may be bolted to a said bevelled surface.
Claim 6
Dependent Claim 20 words
A connecting piece as claimed in claim 4, wherein each threaded hole is provided with at least five full threads.
Claim 7
Dependent Claim 48 words
A connecting piece as claimed in claim 2, wherein each bevelled surface is provided with a threaded stud extending therefrom at right angles to the respective bevelled surface, whereby a said stud may engage an aperture in a said bracing element and the secured thereto with a nut.

References Cited (Backward Citations)

US2429753A Cited
DE2822676A1 Cited
US4587786A Cited
US4840513A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-12-22 1996-06-22 1996-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-12-22 2000-06-22 2000-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-12-22 2004-06-22 2004-12-22 $7700.00 Window Closed / Lapsed

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