US1347453A - Folding scaffold-bracket - Google Patents

Description

K. GARNER. FOLDING SGAFFOLD BRACKET. APPLICATION 'HLED SEPT. R, 1919.

Patented July 20, 1920.

3444mm Ear] [iamzr .1 vy'r Qwwnm PATENT oFFIc-E.

KARL GA"RNER, ST. MARYS, PENNSYLVANIA.

I FOLDING S CAFFOLD-BRACKET.

Specification of Letters Patent.

Patented July 20,1920.

Applicationfiled September 8', 1919. Serial magma.

To al'l whom it may concern 1 Be it known that I, KAnn GAnNER,a citi- Zen' of the United States, residing at St. Marys, in the county of Elk and State of Pennsylvania, have invented certain new and useful Improvements in Folding Scaffold-Brackets, andI do declare the following to be a full, clear, and exact description jof the invention, such as will enable others skilledinthe art .to which it appertains to make and use the same.

This invention relates generally to painters equipment, but more particularly to scaffold brackets. i

The principal object of the invention is to provide a propv scaffold bracket which is collapsible or foldable so that whenit is not in use it'may be folded into a. comparatively compact article and be easily transported.

The bracket includes a supporting prop whichis adjustable longitudinally so that the scaffold'may be adjusted to different heights.

Another object of the invention is to provide a device of this class which will be extremely simple, strong, durable and inexpensive in construction, one which will be eflicient and reliable in operation, and well adaptedto the purpose for which it is designed.

Vith these and other objects in view, the invention consists of certain novel features of construction, and the combination and arrangement of parts as will be hereinafter fully described and claimed.

In the accompanying drawings, in which -similar reference characters designate like parts throughout the several views,

Figure 1 is a side elevation of a bracket constructed in accordance with this invention, showing it in operative position against a wall;

Fig. 2 is an edge view of the bracket in the position in Fig. 1; and,

Fig. 3 is a'side elevation of the bracket showing it in folded position.

Referring more particularly to the drawings, the numeral 1 designates an upright bar adapted to rest against a wall or other upright support. The bar 1 is composed of a pair of angle bars 2 arranged back to back but in a slightly spaced relation. The upper ends of the angle bars 2 are riveted or otherwise secured to a triangular plate 3,

the angle bars 2 being disposed on opposite sldes of the plate 3 and extending along one of the right angular edges of the same.

Pivoted to thecornerof the plate 3 remote from those occupied by the angle bars 2 is a supporting bar or arm 4 which like the bar 1 18 made up of a pair of angle bars 5' arranged back to back and having their adacent sides disposed in a slightly spaced relation so that the pivoted ends of the angle bars are disposed on opposite sides of the plate 3.

Pivoted at one end between the vertical and spaced flanges of the angle bars 5 and adjacent the free or outer-ends of the same is a brace bar6; This brace bar 6 is arranged diagonally, slanting toward the bar 1 and has its other end disposed between the lower ends of the adjacent flanges of the angle bars 2.and secured thereto by means ofa removable pin 7, which extends through the openings '8 in the anglebars 2 and an opening 7 in the brace 6. The brace 6 has riveted or otherwise securely fastened to its intermediate portion a hook-shaped keeper 10, the open end of which is disposed toward the bar 1.

Pivoted at its upper end to the plate 3 and crossing the diagonal brace 6 is a diagonal prop 11 which fits into the keeper 10 and which is provided with a sharpened lower end adapted to embed into the ground or 1 other support upon which the prop is placed.

The prop 11 is preferably composed of an upper section 12 and a lower section 13 into which the upper section slides or telescopes. When the two sections 12 and 13 are adjusted with respect to each other, a pin 14 is placed through one of the series of holes 15 in the lower section 18 and the upper section 12 rests upon this pin and prevents the collapsing of the two sections.

In constructing a scaffold two or more of the improved brackets are used. Each of the brackets used is extended and set up in the manner shown in Fig. l of the drawings the bar 1 resting against the upright wall TV, the prop 11 embedded in and resting upon the ground or floor G, the brace 6 secured at its lower end to the bar 1 by means. of the pin 7 and with the hook 1O engaging around and resting upon the adjacent portion of the prop 11. The arm 4 will thus be maintained in a horizontal pothe keeper l0.

sition so that a number of planks forming the platform of the scaffold may be supported by the arm.

At any time it is desired to raise or lower the scaffold it is only necessary to remove the pin 14 and allow the sections 12 and 13 to telescope and then place the pinback into the proper opening. Every time the height of thescaffold is changed the dis cle'thus' formed can be easily transported.

From the foregoing'description taken in connection with the accompanying draw- 'ings the construction, use and operation of the device will be readily understood As various changes in form proportion, and "in the inino1' cleta ils of construction .may beresorted to without departing from the spirit of this invention it is to be understood that I do not wish. to be limited to the exact; construction herein shown and described. a f What is claiinedis:

'1. A device of the class described com cprising a plate, an upright bar secured at its upper end to-said plate, a horizontal supporting arm pivoted at one end to said plate, a diagonal brace pivoted at one end to the other end of said arm'gmeans for detachably connecting the lower end of said brace to the lower end of said bar, a diagonal prop :pivoted 'at i ts upper end to said plate andcrossing said brace at the intermediate portion of the same and a hookshaped keeper secured to the intermediate portion of said brace. and adapted to be hooked around said prop.

2. A device of'the class described comprising a triangular shapedplate, a pair of upright angle bars arranged back to back in slightly spaced rclation'on opposite sides ofsaid plate and securedfat their upper ends to the same, another pair of angle bars arranged back to back in slightly spaced relation and having one of their ends disposed on opposite sides of said plate and pivotallyiconnected thereto, a diagonal brace bar'having one end disposed,

between the adjacent flanges of the last named anglebars and its other endremov ably secured between the ad aCent flanges of the first named angle bars, a diagonal prop pivoted atits upper end to'said plate and crossingsaid brace "bar at substantially V the intermediate portionof'the same, and

a hook-shaped keeper secured to the intermediate, portion of said brace bar and adapted to engage said prop. V r

In testimony whereof I have hereunto set my hand. I a

I KARL GA NER

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