US116845A - Improvement in roofing-brackets - Google Patents

Improvement in roofing-brackets Download PDF

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Publication number
US116845A
US116845A US116845DA US116845A US 116845 A US116845 A US 116845A US 116845D A US116845D A US 116845DA US 116845 A US116845 A US 116845A
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United States
Prior art keywords
bracket
roofing
brackets
screw
improvement
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs

Definitions

  • Figure l is a side view, representing the bracket as in use.
  • Fig. 2 is a front view.
  • A is the bracket.
  • B is the horizontal or bearing-bar, upon which the vstaging-plank (seen in to the end of B.A .In using the bracket the claws or teeth penetrate the roof, as seen, and prevent slipping.
  • D is the vertical portion of the bracket, provided with a screw-thread.
  • E E are pointed arms attached to the screw-head F.
  • the bracket is made adjustable as to height by means of the screw passing through the screw-head F. arms E E stand at an angle with the screw, and so as to brace the bracket laterally in each direction.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Description

PATENTE JUL 11 1,871
YMy. if 2 UNITED STATES PATENT OFFICE.
IMPROVEMENT IN ROOFING-BRACKETS.
Specication forming part of Letters Patent No. 116,845, dated July ll, 1871.
improved support for sta-gings for the use of carpeuters and others in shingling roofs, and for other purposes; and it consists in an angular metallic bar made adjustable by means of a screw, and havinga hinged claw end and adjustable supporting-arms, arranged as hereinaiter described.
In the accompanying drawing', Figure l is a side view, representing the bracket as in use. Fig. 2 is a front view.
Similar letters of reference indicate corresponding parts.
A is the bracket. B is the horizontal or bearing-bar, upon which the vstaging-plank (seen in to the end of B.A .In using the bracket the claws or teeth penetrate the roof, as seen, and prevent slipping. D is the vertical portion of the bracket, provided with a screw-thread. E E are pointed arms attached to the screw-head F. The bracket is made adjustable as to height by means of the screw passing through the screw-head F. arms E E stand at an angle with the screw, and so as to brace the bracket laterally in each direction.
This bracket is cheap, safe, and convenient, and its advantages over anything ofthe kind in use must be obvious to all.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The improved roof-staging bracket, formed by the combination of a bar, B, screw l), claw O, and arms E E provided with a head, F, substantially as shown and described.
JAMES H. LOOK, JR.
Vitne sses vHENRY T. SURREY,
CHARLES H. BrsnUP.
US116845D Improvement in roofing-brackets Expired - Lifetime US116845A (en)

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US116845A true US116845A (en) 1871-07-11

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