US 1305922 A
Abstract available in
Claims available in
Description (OCR text may contain errors)
APPLicATloN FILED MAR.8.19|8.
1,305,922. Patented June 3, 1919.
3 SHEETS-'SHEET 1- .Mm MM Sw atliozneq H. MLLER.
APPLICATION FILED MAR. 8. l9\3.
Patented J une 3, 1919.
3 SHEETS-SHEET 2.
O J i@ seq W 4 H. MULLER.
APPLl'cAloN FILED MAR. a. mis.
3 SHEETS-SHEET 3.
Patented June 3,
.aras Parana HILDING MoLLER, or YoUNGsToWN, omo, AssIGNoR To r. W. PERRY, or YoUNes- Town, omo.
Specification of Letters Patent.
Patented June 3, 1919.
To all whom t may concern:
Be it known that I, HILDING MoLnER, a citizen of the United States, residing. at Youngstown, in the county of Mahoning and State of Ohio, have invented new and useful Improvements in Brackets, of which the following is a specification.
This invention relates to scaffolding supporting brackets and the principal object of the invention is to provide means for securing the bracket to the uprights of the scaffolding without permanently securing said bracket to said uprights, such as by the use of nails or clamps.
Another object of the invention is to provide means for connecting the bracket with an upright in the form of a ladder or to a window and to provide means for adjusting said bracket so that the platform supporting part thereof will lie in a horizontal planewhether or not the ladder is in a vertical or an inclined position.
Another object of the invention is to provide a device of this character which is simple and durable in construction, reliable and efficient in operation and one which can be manufactured andl placed upon the market..
at a minimum cost.
The invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.
In describing my invention in detail, reference will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the several views, and in which Figure 1 is a perspective view of the bracket supplied with the various devices for connecting the same with the different forms of uprights and with a window casing. Fig. 2 is a side view showing the bracket connected with an inclined ladder.
Fig. 3 is a like view showing the bracket applied to a vertical ladder.
Fig. 4 is a like view showing the bracket applied to a ladder inclining in the opposite dlrection fromthat shown 1n Fig. 2.
` link 11.
Fig. 5 is a part sectional view of the main member of the bracket.
F1g. 6 is a sectional view of a detail.
Fig. 7 shows different forms of hook members which will be used with the bracket.
Fig. 8 is a part sectional view showing the bracket connected with the side of a window casing.
Fig. 9 is a section on line 9 9 of Fig. 8.
Fig. 10 is a view similar' to Fig. 8 but showing the bracket secured to a window casing in a brick house.
Fig. 11 is a sectional view on line 11-11 of Fig. 10.
Fig. 12 is a view showing the bracket connected with the bottom part or sill of the window.
Figs. 13 and 14 are views of modifications.
Figs. 15 and 16 show a modification.
As shown in these views the bracket consists of a platform supporting member 1 preferably made of angle iron and having its rear end bent at right angles as at 2. This bent end is slotted as at 3 and a slide 4 having a hook 5 and provided with a slot 6 stop for the parts forming the platform and l the end of the vertical web is enlarged to receive a pivot 10 which engages a slotted A second link 12 also slotted is held in engagement with the first link by the thumb screws 13. The link. 12 is connected` with the vertical web of the member 1 by means of the link 14 pivotally connected at each end to said link and member. The free end of the link 12 is bent to provide a fiat part of rest 15 and this part is extended to form a flat hook 16 and this hook projects forwardly in front of said link 12 but below the same. A curved hook'17 is detachably connected to said rest by means of a thumb screw 18.` 19 indicates a hook member removably secured to the vertical web of the member 1 by means of the thumb screws 20 and this hook 19 extends in an opposite direcl tion to that of the hook 17 and is adapted to coperate with said hook to hold the bracket to a ladder or other` support. 21 indicates a are folded under the horizontal webl of thel member l. The-bracket is also provided' with a ysill engaging hook 22 removably se.
cured to the rear end of the horizontal web of the member 1 by the set screws 28. This hook is provided with a square recess 24 for' engaging the inner part of the window-sill. A hook 25 is adapted to be detachably sccured to the flat part 15 of the link 12 as shown in Figs. 2 and 3.
When the bracket is to be used on a ladder or other upright all the hooks excepting those designated by the numerals 17 and 19 may be removed7 though it is not necessary to so remove these hooks. The hook 19 engages one edge of the upright while the hook 17 engages the other edge so that the weight of the bracket tends to clamp the upright between the hooks and the more the weight applied to thev bracket the greater will be the clamping action. By means of the adjustable links l1 and 12 the member 1 of the bracket may be placed in a horizontal position no matter what position the upright assumes. Fig. 2 shows the bracket supporting the platform 26 in a horizontal position on an inclined ladder. In Fig. 3 the bracket is applied to a vertical ladder while in Fig. 4 the ladder is inclined in an opposite direction to that shown in Fig.. 2. It will be understood that'the bracket may be applied toany form of upright such as a 2x4 beam though ladders are usually used in this connection. By substituting hooks of diHerent sizes, such as shown in Fig. 7 the bracket may be used on any size upright.
Figs. 8 and 9 show the'device connected with 'the side of a window and in this case the adjustable hook 5 carried by the end 2 of the bracket engages the inner part of the window casin while the square hook 16 engages with t e outer part of the casing. The sameclamping effect issecured in this case as before. By means of they adjustable feature of the hook 5 the device may be used on diii'erent sizes of WindoW-casings. It will be understood that in this caserthe hooks 17 and 19 are removed.
In Figs. 10 and 11 the bracket is shown connected with the window casing 27 of a house formed of brick as shown at 28. This is similar to the form shown in Figs. 8 and 9 excepting that the hook 25 is connected with the flat hook 16, taking the place of the hook 17 and this hook 25 en ages the part 27 of the window-casing. his is neces'- sary on account of the fact that the flat hook Home@ sill is engaged 'by the hook 22 provided with the recess 24 into which the sill fits. In this case the flat part 15 of the link 12 rests on the outer face of the wall of the building below the window.
In the modification shown in Fig. 13 the hook 16 is bent up from the end of the link 12a and the rest l5 omitted. The hook 25 is connected to this hook 16 so that the device may be'used on a window such as shown in Figs. 8 and 9 by removing the hook 25 or said -bracket may be'used as shown in Figs. 10 and 11 by attaching said hook 25.
In the modification shown in Fig. 14 the end of the supporting member 1 is bent into hook shape as shown at 2 while the end of the link 12 is also bent into hook shape as shown at 12X so that these hooks are formed integral with the bracket. In this form the bracket is only adapted for use with the ladders or other uprights of the scaffold.
In the modification shown in Figs. 15 and 16 the bracket is made -to be used with a circular upright A and in this form a chain 1e is connected with the upper member 1a of the bracket and the chain is provided with a spring 1x to which is secured a hook, the chain being adapted to be wrapped around the upright to hold 4the bracket thereon. I prefer to place a strip of rubber or the like 1b within the hooked art of the bracket to prevent slipping of ty e bracket ,on the upright. In this form of the device the lower member 2X is provided with a bent part 2 which rests against the' upright.
It is thought from the foregoing descrip-A tion that the advantages and novel features of my invention will be readily apparent.
I desire it to be understood that I may make such changes in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.
What I claim is A 1. A bracket comprising a supporting member having a hook at its inner end, an inclined member composed of a pair of slotf ted'links adj ustably connected together, one
link being pivotally connected to the outer member having its inner end bent at right modena angles, a hooked bar adjustably secured to said bent end, a removable hook having a square recess therein removably secured to said adjustable member adjacent the bent end, a pair of links adjustably connected together and pivotally connected with the outer end of said supporting member, a link pivotally connecting the inner ends of said supporting member and inner link together, the inner end of said link being bent to provide a rest and then extended forwardly and bent to provide a flat hook and a removable hook carried by said rest.
In testimony whereof I aIiX my signature.