US1665837A - Safety anchor mounting - Google Patents

Description

April 10, 1928. 1,665,837

A. BARDELLO SAFETY ANCHOR MOUNTING Filed July 14, 1927 w lNI/ENTOR g ANTONIO BARDELLO A TTORNE Patented Apr. 10, 1928.

UNITED STATES PATENT OFFICE.

ANTONIO BARDELLO, OF NEW YORK, N. Y., ASSIGNOR TO AINSWOR'IH BUCK, INCOR- PORATED, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

SAFETY ANCHOR MOUNTING.

Application filed July 14, 1927.

The invention relates in general to ametallic window frame construction including a mounting and a safety anchor secured thereto for engagement by clips such as are carried on the ends of safety belts used by window cleaners.

Certain types of metallic window frames are at present constructed complete at the place of manufacture and shipped to the building where they are to be installed. These frames are usually formed of thin gage metal and the presence of any projection, such as a safety anchor would not only increase the difficulty of shipping the frame but the possibility of such projections catching in other parts while in transit would result not infrequently in the frames being distorted if not actually torn. On the other hand, the anchors must be securely fastened in place in such a way that strains thereon while in use will be distributed over a material area of the thin metal in order to insure the proper holding effect. This latter requirement necessitates some suitable form of reinforcement to the part of the frame engaged by the anchor and the installing and fitting of such a reinforcement after the frame is in position is a difiicult proceeding, is usually done where the building is being erected and not infrequently by mechanics not. particularly skilled in the mounting of safety anchors of the type herein featured.

Accordingly, the primary object of the invention is to provide a simplified form of anchor mounting which can be installed within the outlines of the frame at the factory or other place where the frame is manufactured and before the hollow frame is closed in the course of its manufacture, so as to ship the frame complete and free of any anchors or other projecting parts which may tend to distort the fabricated unit during transit.

The invention accordingly features the providing of the anchor as a separate unit from the frame with its reinforcmg element and with the parts so organized and fitted at the time of manufacture that the anchor may he installed in position at any subseuent time, after the frame is in position in t e building, and accordingly the invention features the mounting of the anchor by fastening means accessible from the outside of the frame and anchor.

It is usually desirable in such construe Serial No. 205,881.

the invention will be in part obvious from an inspection of the accompanying drawings and in part will be more fully set forth in the following particular description of one form of device embodying the invention, and the invention also consists in certain new and novel features of construction and combination of parts hereinafter set forth and claimed.

In the accompanying drawings,

Fig. 1 is a fragmentary View in front elevation of a safety anchor secured to a portion of a window frame and illustrating a preferred embodiment of the invention.

Fig. 2 is a transverse, sectional view taken on the line 2-2 of Fig. 1 looking in the direction indicated by the arrows;

Fig. 3 is a detailed view of the reinforcing elements shown in Fig. 2, looking at the same from the underside of the showing in Fig. 2;

Figs. 4 and 5 are each transverse sectional views taken respectively on the lines 4-4 and 5-5 of Fig. 3 looking in the directions indicated by the arrows.

In the drawings and referring particularly to the showing in Fig. 2 there is shown part of a corner of a window frame 10, it being understood that such frames are customarily formed of an extremely thin gauge of metal 11. The frame is customarily formed as a hollow shell completely fabricated at the factory and shipped ready to be installed in the masonry or other structural parts of the building. In order to show the adaptability of the invention to a part of the frame which heretofore has presented difficulty to the mounting of a safety anchor there is shown in Fig. 2 a boxlike corner 12 with two sides 13 and 14 extending at right angles to each other and with the outer face of the side 1-3 flat and designed to provide a surface ada ted to re ceive the base 15 of a safety arm "or 16.

Positioned within the box like corner 12',

before the frame structure is enclosed in the process of its manufacture, is inserted a rc inforcing element 17 more particularly shown in detail in Figs. 3, 4, 5. The reinforcement is primarily an angle plate having a main flat flange 18 fitted to the back of the side 13 and having a length approxi mately equal to the length of the plate 15 on the opposite or outer side. The reinforcing element includes a flange 19 which fits against the rear face of the side 14 and coacts with the flange 18 to provide an angle brace fitting the angle provided by the sides 13 and 14 and thus tending to reinforce the angle formed by the thin sheet material forming the frame. The flange 19 is provided with an aperture 20, in this case shown to be a slot extending from the outer edge of the flange to a point spaced from the plate 18 a distance sufiicient to accommodate a nut 21 therebetween. In order to give some structural strength to the side of the plate 18 opposite the flange 17, it is pro vided centrally thereof with a relatively short reinforcing flange 22. The plate 18 is provided with two longitudinally spaced apart bosses 28 and 24 each provided centrally thereof with threaded'bores 25.

The reinforcement is permanently secured in place by means of a permanent fastener, such as a bolt 25 and nut 21, passed. through an aperture 26 formed in the side 14 and through the slot 20. The side 13 is provided with a pair of spaced apart apertures aligned with the threaded bores 25 and one of which apertures is shown at 27. The slotted construction of the'flange 19 permits the insertion of the reinforcing element from the rear side of the open frame and provides for slight adjustment of the reinforcement so as to engage the side 13 and compensate for any irregularities in dimensions of the frame parts. The usual practice would be to hold the nut 21 by means of a suitable tool and tighten up on the bolt 26 until the reinforcing element is secured in position. With the reinforcing element in place, the frame is completed, there being no further necessity to obtain access to the enclosed reinforcing element. The structure thus far described, but without the anchor in place, is shipped and at any time thereafter installed in position. A proper dimension anchor is shipped separately and installed whenever desired simply by positioning its plate 15 so that its screw holes therein will align with the apertures in the side 13 after which the anchor may be secured in place by means of conventional screws 28 passed through the plate 15,

through the apertures in the sheet metal frame and into threaded engagement with the bores of the bosses 23 and 24. Should it be desired to replace an anchor, it is simply necessary to loosen the screws 28 and mount a new anchor in place. The plates 15 and 18 coact to form in effect a clamp with the thin sheet of the frame face there between and these plates may be made as extensive as possible and thus act effectively in transferring strains on the anchor over a material portion of the thin sheet metal win-. dow frame. As the structure may be assembled and tried out at the factory before the parts are shipped there is every assurance that when assembled in place, the resulting structure will be in accordance with the requirements of the best engineering practice indicated by the manufacturer. As it is required of the erector that the anchor be simply screwed in place there is no possibility of a, faulty mounting and there is the assurance that the anchor when finally installed will be in the exact place it was designed to occupy when the arts were assembled at the factory.

I claim:

1. A manufactured window frame including a thin sheet metal form, a reinforcing element contained within the frame and permanently secured thereon, a side of the frame opposite the element providing an anchor receiving surface free of projections whereby the frame may be shipped and installed in place without the. anchor,,the side of the frame forming said surface and the reinforcing element in rear of the same provided with aligned bolt apertures adapted to receive an anchor securing bolt, the part of the aligned apertures contained in the reinforcing element being threaded, a safety anchor engaging said surface and a screw for securing the anchor passed therethrough, through the aperture in the frame and in engagement with the threaded aperture in the reinforcing element.

2. A manufactured window frame including a thin sheet metal form, a reinforcing element contained within the frame and permanently secured thereon, a side of the frame opposite the element providing an anchor receiving surface free of'projections whereby the frame may be shipped and installed in place without the anchor, the side of the frame forming said surface and the reinforcing element in rear of the same provided with aligned bolt apertures adapted to receive an anchor securing bolt.

3. A window frame including a hollow sheet metal form including two sides extending at an angle, each side provided with a bolt aperture, an angle plate constituting an internal reinforcement for the frame, fitted in the angle and having its flanges engaging the two angle forming sides of the frame, fastening means extending through one of the bolt apertures and engaging the adjacent flange to secure the reinforcement permanently to the frame, and the other of said two sides exposed at the other aperture and forming a smooth flat surface adapted to re ceive an anchor attached thereto by fastening means passed through said other aperture.

4. In a device of the class described, the combination of a sheet metal form including two sides forming an angle, each side providedwith an aperture, a reinforcing element including two flanges engaging said sides, one of said flanges provided with a slot facing one of the apertures and the other flange provided with a boss having a threaded bore aligned with the other aperture in the form, an anchor engaging the form, fastening means accessible from the outer side of the anchor engaging in said threaded boss to secure the anchor and fastening means passed through the slot for securing the reinforcing element to the form.

5. In combination, a thin sheet of metal provided with two perforations, a reinforcing element engaging one side of the sheet and provided with two perforations registering respectively with the perforation in the sheet'fastening means engaging one set of registering apertures to secure the reinforcing element to the sheet, said sheet provided on the side thereof opposite the side engaged by the element with an attachment engaging face adapted to receive an attachment secured thereto with fastening means engaging the other set of registered apertures.

6. A sheet metal window frame including a box-like form, an angle plate constituting an internal reinforcing element secured to the form to reinforce an angle thereof, one of the sides forming the angle provided with a pair of apertures, the part of the side con taining said apertures providing an anchor receiving surface and the part of the element engaging said side provided with a pair of threaded apertures aligned with the apertures in the form and adapted to receive a pair of anchor securing screws a safety anchor having a flat face engaging said anchor receiving surface and a pair of anchor securing screws passed through the anchor and engaging in said threaded apertures.

Signed at New York in the county of New York and State of New York, this th day of June A. D. 1927.

ANTONIO BARDELLO.

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