US1797213A

US1797213A - Combination framing tool

Info

Publication number: US1797213A
Application number: US263198A
Authority: US
Inventors: Marcum Ethel
Original assignee: C O BURRESS; W C BROWN
Current assignee: C O BURRESS; Co Burress; W C BROWN
Priority date: 1928-03-20
Filing date: 1928-03-20
Publication date: 1931-03-17
Anticipated expiration: 1948-03-17

Description

9 3 G. L. MARCUM COMBINATION FRAMING TOOL hwtual mvEN-r'oR %d%mu WITNESS:

March 17, 1931;

G. L. MARCUM COMBINATION FRAMING TOOL Filed March 20.

1928 2 Sheets-Sheet 2 HIP SPAN

IN FEET INVENTOR WITNESS:

Patented Mar. 17, 1931 Hearse stares enonen 1L. MARCUlVLJOEWILLIAMSON, WEST vrnsxnm; rns iviAncunn-nnmin s- 1 'rnernix on SAID eEo-nen L. MARGUM, nnonnsnn, AssIdnon onsrxny-r vnrnn 4 oam. IO vErna]: MABCUM, INDIVIDUALLY min AS LEGAL. GUARDIAN FOP. EDNA I LEE MABCUM AND enonen LEE rim-scum; rr-r'rnnn renounce-To W. o. :Bno wn;

Ann TWENTY run CENT To o. o. .isnnnnss, ALL or WILLIAM-son, wns'r VIRGIN-IA COMBINATION FRAMIII TG TOOL Application filed. March 20, 1928. Serial No. 263398.

My present invention hasreference to-a fram mg tool for carpenters use, and my primary object isthe provision of a tool for this purpose whichwill enable the carpenter to readily ascertain the lengths and cuts of common 7 jack, hip and other regular or irregular rafters without resorting to the employment of a steel or framing square.

"Anotherobjectistheprovlsion of a framwhichpis pivotally associated withthe handle through the medium of removable discs,

in-g tool that includesa handle and a blade which latter have inscribed thereon a protractor or degree scale as well as other marks of graduation designed to be brought into alinement with marks or graduations arranged 'incir'cular relation on the handle of the tool, theprotractor or degree scale being disposed opposite a pointer 'mark on said handle; whereby the blade may be turned on the handle to arrange these-parts at determined degrees or whereby the rise per inch and the different angle of cuts of jack or other rafters may be obtained, the blade being suitablescaledto correspond with the scales on the discs and handles. i

To the attainment of the foregoing and other objects which will present thems lves as the nature of the invention is better understood, the improvement also resides in certain other novel features of'constriiction, combination and operative association of parts, one satisfactory embodimentof which is disclosed by the accompanying drawings.

Inthe drawings Figurel is'aside elevation of the improvement. r

, Figure 2 is a similar view but looking to- I ward the opposite'side ofthe improvement.

- Figure 3 is a sectional View approximately on'the line 8-3- of Figure 5. 1 i

Figure 4 is a sectional View approximately on the line 4-4 of Figure 1. I 1

Figure 5 is a sectional view on the line 55 of Figure 2. 2 v "(Figure 6 is a plan view looking toward one end of the blade. I V v Referring now to the drawings in detail,

' the numeral 1 designates the handle of the imprevement The handle is ,preferably' widened on one end" th r bf hd, th end of the said handle is rounded but the same 1s prov ded with a lug extension 2. The

rounde'dporti-on or head oft-he handle may i be either integrally formedor may 'providea separate element from-the remainder of the handle. Byreferen'ce to Figure/l it will be seen that the inner edge ofth'e hand leifs widened outwardlyyas at This is to' permit of the said edge of the handlemoi e ffirmly contacting with'the edge of a piece of lumber against which it is'arranged. -"lh'e handle, from its said innerand widened edge 3 is slotted longitudinally to provide the same with a pocket 1, and the inner wall of -the pocket entering-the rounded end of the handle has its rearwall also rounded and l terminates in a line with thelu'g 2; The rounded end of the handleis provided with a central opening 5. i i

The blade is broadlyindica-ted by-the numeral 65 the same'having its edge at one-0f its corners formed with a rounded projection '7 that is designed to be received in the rounded portion of the pocket 4. The straight shoulder 18, provided at the end of theblade proper is designeditocontact with the'lug 2 to hold the blade at arightangl'e with respect to the handle 1 whereby the-tool may be employed as a square; a I The rounded portion 7 of the bladed is providedw-ith a central opening 9 and with l ing-in the secondside ofithe handle." There is passed through a central opening in the disc lathe opening 9in the blade 6 and threaded in a centralopening'in the disc 14 a a screw or bolt member "1 5; the' di'sc 13 being reamed'around the opening-of the said screw or bolt so that the he'ad-ofthe saidscrew or I bolt is pocketed in the'disc; "By adjusting the element 15 the

discs

13 and 14 may-be brought into frictional contact widethe opposite faces of the handle to compress the same against the part 7 of the blade 6, and thereby sustain the bladewhen swung at different angles on the handle. The reduced

portions

12 and 15 of the respective discs are in the nature of hubs and contact with the rounded or what may be termed the hub por tion of the blade. g I By reference to the drawings it will be noted that the disc 14 is of a slightly less size than the disc 13 and that both the discs have their outer faces beveled from their edges.

The disc'14, from its said beveled edge is graduated, as at 16, and the said graduations in the showing of the drawings are numbered from 3 to 16. and these figures are for the purpose of obtaining the side cuts of jack rafters, the span in feet and the rise in inches of said rafters'being inscribed by scales on the blade 6 as will hereinafter be described.

' For the purpose of illustration we will suppose that in framing a hip roof on say an 8 and 12 pitch to obtain the side cut of the jack rafters, it is merely necessary to swing the blade and the disc to bring the indicating mark 8 on the disc opposite the figure 8 on one of the circular graduations 17 on the handle and thus obtain the proper angle. It should be stated that the principle in using my improvement is the same asthat employed in the use of a steel square or a framing square. In addition to the circular graduations on the handle that surround the disc 14 there are other annular series of graduations each suitably marked, and whereby the side cuts of jacks difierently spaced may be readily ascertained by simply swinging the blade as above mentioned.

The side of the handle illustrated in Figure 1 of the drawings has its inner edge inscribed with spaced numerals to indicate plumb cuts and corresponding seat cuts, and the outer edge of the blade 6 on the face thereof disclosed by Figure 1 of the drawings is pro vided with a'ruled scale 18 and inward of the ruled scale the blade has inscribedthereon numerals 19 to indicate the span in feet of the jack 'or other rafters. Below the numerals 19 the blade is divided by longitudinal and transverse lines into columns of figures to indicate the rise in inches of the rafter according to the rise per inch in the run'of the rafter, and according to the width of the building. In the showing ofFigure 1 the character .12 is arranged in the cenmr and a little above the abbreviations'for the common or for the hip rafters, and the character 12 indicates that the building is v12 ft. wide, theother numerals in a line with the numeral 12 indicating other widths of buildings.

On the opposite side of the blade disclosed by Figure 2 the portion thereof nearest the handle is provided with a lumber measure ment scale 20 and with figures indicating the span in feet of a building, columns in which are inscribed figures indicating the rise in inches of common and hip rafters, these scales being a continuation of the scales shown on the face of the blade in Figure 1. The disc 13 is shown on this face of the scale, and the same has inscribed thereon a degree or pro tractor scale 21 whose markings are arranged to aline with an arrow or like indicator 22 on the top portion of the handle 1. Approximately diametrically opposite the protractor or degree scale the disc 13 has inscribed thereon a numbered scale 23 to indicate the side cut of hip rafters, the scale in the present instance 26 to indicate the seat cut of hip rafters. In

addition to this the face of the scale may have arranged or inscribed thereon discs, squares, etc., having angle lines marked thereon and indicia relative to the position at which the blade is to be turned on the handle to obtain desired mitre cuts.

With my improvement the lengths and cuts of rafters in the framing of a building may be easily obtained by a carpenter who is unacquainted with the use of a steel square and in a more expeditious manner. The improvement it will be noted provides a combined square, bevel and pr-otractor, and the simplicity and advantages of the construction will, it is thought, be fully understood and appreciated without further detailed description. Of course, discs having different scales than those illustrated may be employed when different angle cuts are required, and as a matter-of-fact, I propose to commercialize the improvement in a number of such styles and likewise with a book of instructions as to the use of the tool, it being understood that the description as herein set forth, merely is intended to convey certain purposes and methods for accomplisl ing desired results by the employment of the improvement.

It will be apparent that when the blade is foldedintothe handle the tool can be easily carried in the pocket of the carpenter or conveniently stored-in his tool box.

The outer or headed end of the handle may and preferably has arranged ina socket therein a spring influenced headed latching bolt 28. The inner end of the bolt is flared to a point, as indicated by the numeral 29 and the said end of the bolt is designed to hereceived in substantially V-shaped notches 30 in the periphery of the rounded-portion 7 of the blade 6. The notches 30 are preferably so spaced that the blade will be held at a right angle with respect to the handle when the locking dog is received in one of'the notches and the said blade 6 will be held at an angle -weenie of 45 degrees with respect to the handle when p the locking device is received in the second be provided with additional notches.

notch. Obviously the end 7 of the blademay The locking bolt 28 passes through a central opening'bolt has a pin 35 that is received inthe notch. The spring 36 contacts with the bushing and also with a disc enlargement or flange 37 on the locking bolt. It will be apparent that the. flange 37 will prevent the locking bolt from being entirely withdrawn from the socket or opening therefor and it will be further apparent that by exerting an outward pullupon the headed end of the locking bolt to bring the pin out of the notch in the bushing and thereafter turning the locking bolt to bring the pin away from the notch, the

active end 29 of the bolt will be brought out of engagement with the notches in the end 7 of the blade.

As disclosed by the drawings, the pivot bolt 15 has one of its ends engaged by a wing nut 39, the adjustment of which permits of ready swinging of the blade on the handle, and for likewise causing the bifurcated end of the handle to exert a frictional contact" throughithedlscs and through the saidextenwith the blade for holding the latter from free turning on the pivot bolt 15. g I Having described the invention, I claim 1. A framing tool comprising a slotted handle which is provided adjacent to one end with a round opening,a blade swingable into and out of the slot of the handle, discs having hub portions adapted to be received through the opening from the opposite sides of the handle to provide a pivot between the blade and handle, interengaging means for the discs passing through the blade, a binding element passing centrally through the discs and through the blade for compressing the sidesof the handle against the blade, one of said discs bearing, a degree scale, and the -handle having an arrow-shaped pointer designed to register with degree marks on the discs when the blade is swung pivotally with respect to the handle. I g 2. A framing tool comprising a handle 3 which is slotted longitudinally from one of its edges, and which slot has an inner rounded depression adjacent one of its ends, said handle having a roun'dtransverse opening therethrough which communicates with the depression, a blade having graduations and mathematical tables inscribedthereon and having one of its corners formed with a pcripherally round extension to be received in serted from the opposite sides of the handle into the opening, pins extending from one of the discs to be passed through the round end portion of the blade andfsaid being receivediin athe hub of {the second dis c,-an adiju-st-able hin-ding element-passing through the discs and throughwthe blade, the end of q the blade, adj acent V the rounded portion thereof adapted to 1 contact with aportion of the handle when-the blade is swungtoaright angle ontlr'e handle, saiddiscs having their peripheral edges beveled andiprovided' with graduations and the sides of the fhandlejmkdfja611glll16"dlS(/S bearing-anannularseries of :graduations, for thepurpose set ef'orth.

,traming tool I comprising a handle whichisslottedlongitudinally from one bf its edges,'an d which slot has its inner wall formed with-a rounded depression adjacent one end of the handle, said han'd l'e having a I rou-ndropenin-g which communicates with the depressiomand said handle having 'a lugjprojecting from said end, ablade havingscales of its v-cornersformed with" a peripherally rounded extension to beireceived in the roundand tables inscribed thereon and having, one

ted depression in the handle, discs havingh-ub portions insertedin the opening'from the opposite sides of the handle, pins extending from one of the discsd-esigned to be passed through the rounded "extension I of the blade andto "be received. in the hub of. the second disc, an adjustable binding element passing sionon the blade,zthe end of the blade adjacent the rounded "extension -the'reozt designed 4.1%. framing tool comprising a slotted handle having a transverseopening which communicates with the slot, a blade which is swingable into" and out ofthe slot of the ,to contact with the lugof thehandle itor holdhandle,discs providing a pivot between the portions to be inserted in the opening from the opposite sides ofthe handle, interengag- 7 ing means connecting the discs, and passing through the blade, a bolt passing centrally through the discs and the blade, and a binding element on said bolt'for cohtacting with one of the discs. e v

5. A framing tool comprisinga slotted handle havinga. round depression therein and having a round transverseopening that communicates with the saidedepre'ssion, and a blade which is swingableinto; and out of blade and the handle, said discs having hub,

the slot of the handle, one corner of the blade being extended and having a round portion to be received in the depression of the handle and the said rounded portion being formed with spaced V.-shaped notches, pivot discs having hub portions let in the opening from the respective sides of the handle for contacting with the opposite faces of the said rounded portion of the blade, intereng aging means connecting the dlscs and the said portion of thebla de, a binding element for the 1 discs, and a spring influenced locking bolt received through the handle and engageabie in any of thenotches of the rounded portion of the blade. V

6. A framing tool comprising a handle which is slottedand which is provided with p a round depression in its said slotted portion and which has a round opening communicating with said depression, a blade which is swingable into and out of the slot of the handle, one corner of the blade being extended, peripherally rounded and formed with spaced V-shaped notches and which extension is received in the round depression 1n-the handle, pivot discs having hub portions let in the opening from the opposite sides of the handle for contacting with the opposite faces of the said corner extension on the blade, interengaging means between the discs and the said extended portion of the blade, a binding element for the discs, a spring influenced locking dog received through the handle and having a pointed end to be engaged in any one of the mentioned notches, a notched bushing through which the dog passes, and a pin on the locking dog normally received in the notch of the bushing. In testimony whereof I aiiix my signature.

GEORGE L. MARCUM.