US536016A - Apparatus for providing picture-mats with square or rectangular holes - Google Patents

Description

(No Model.)

' M. E. CHI-LDS. P

APPARATUS POR PROVIDING PICTURE; MATS WITH SQUARE OR RECTANGULAR HOLES.

No. 59,6;016. y Patented Mar; 19, 1895.

'rares MERRICK E. CHILDS, on wEsrLIBERTY, IOWA.'

APPARILITUS FOIi PROVIDING PICTURE-MATS WITH SQUARE R RECTANGULAR HOLI-S.

4SPIE]CFIECACE'ION' forming part of Letters Patent N o. 536,016, dated March 19, 1895.

Application led April 28, 1894. Serial No. 509,311l (No model.) I

.To all whom t may concern.:

Be it known that I, MERRICK E. CHILDS, of West Liberty, in the county of Muscatine and State of Iowa, have invented certain new and useful Improvements in Machines or Apparatus for Providing Mats for Picture-Frames with Square or Y(.,luadrangular Openings or l Holes; and I do hereby declare the following the same.

to be afull, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use thesame.

My invention relates to improvementsin machines or apparatus for providing mats for pictureframes, with square or quadrangular openings or holes; and the invention consists in certain features of construction, and in combinations of parts, hereinafter described and pointed out in the claims.

In the accompanying drawings, Figure l is a top plan of a machine embodying' my invention. "Fig". 2 is a front side elevationof Fig. 3 is a right hand side elevation relative to Figs.'1 and 2. Fig. 4 is a section on line 4-4, Fig. l, looking in the direction of the arrow. Fig. 5 is an enlarged section in detail on line 5-5, Fig. l. Fig. 6 is a perspective view of the knife or cutter.

My improved machine comprises a board or table, A, upon whichV the mat-board Bte be cut is placed. A scale, C, for the purpose of measuring and squaring the mats to be cut, is marked upon the top surface of board or table A along the edges of said board or table, and the front edge of board or table A is pref-V erably provided with a scale D to be used when the scale on the top surface of the table is more or less covered. A mat-board B to be cut is ,shown in position upon board or table A with the forward edge of the mat-board iush with the forward edge of the supportingtable and with the left-hand edge of the matboard Iiush with the left-hand edge of the table. The mat-board, if not already properly trimmed, is secured upon the top surface of the supporting-board or table in any approved manner, but preferably by means of one or more clamps, preferably, a pair of clamps E and G adjustably secured to slides H that are arranged transversely of board or table A and are adapted to slide endwise of slideways a formed vin the supporting-table,

the mat-board.

the clamps being preferably adjustable forwardly and rearwardly, that is, transversely of `table A, to accommodate diiferent sizes of mat-boards, and being secured to the supporting-slides preferably by means of thumbnuts, I, and studs or bolts J engaged by said nuts and rigid with the slides, one or more washers K being preferably `interposed between the securing-nuts and upper surface of the clamps, and the holes J in the clamps through which studs orbolt-s J extend, being elongated in the direction to accommodate the aforesaidadjustmentof the clamps. After trimming the mat-board externally, as just described, the securing-clamps can be removed from the supporting-board or table, if desired.

When the mat-board has been trimmed ex-` ternally, the corners of' the opening or hole to be out in the mat-board are pricked or otherwise marked upon the surface of the matboard by means of a compass or any tool suitable for the purpose. A straight-edge or rule, L, whose upper surface at one end, (in the present instance the left-hand end) is beveled downwardly and outwardly or wedgeshaped, as at Z, is then placed or laid upon the mat-board with its beveled, or wedge shaped end engaging the lower edgem of the clamping-member of a sliding-clamp M at the left-hand end of board or table A. The engaging edge fm of said clamp is preferably quite sharp (see Fig. 5) in order to bite, and thereby retain the straight-edge or rule in place, and the sliding capability of the clamp accommodates the adjustment of the straighty edge or rule relative to the cut to be made in The straight-edge or rule is, of course, adj usted endwise to wedge the same,

as required in under clamp M, said adjustment varying according to the thickness of IOO a sliding-clamp O and a clamping-stick P, (see Figs. l and 3) the latterbeing adapted to engage the upper surface of the straight-edge or rule, and clamp O being arranged lengthwise of supporting-board or tableA and rigid with a slide O arranged in the same direction and adapted to operate in a slideway A2 formedin and also arranged lengthwise of the supporting-board or table. Y

Clamping-stick P engages the under side of the clam pin g-member of clamp O. The upper surface of said stick is beveled downwardly and rearwardly, or wedge-shaped, as at P', so that by wedging the stick in under clamp O, the straight-edge or rule is caused to be securely held upon the supporting-board or table. The sliding capability of clamp O accommodates the adjustment of the clampingstick relative to the adjacent edge of the mat being cut. n

A rest, R, for the purpose of steadying the straight-edge or rule in cutting mats of extra large size, is preferably provided, the rest shown being adjustable transversely of the supporting-table and being rigid with a slide R adapted to operate endwise of a slideway, A3, formed in and arranged transversely of board or table A said slide capable of being secured in the desired adjustment by means of a thumb-screw R2, the rest being adapted to engage the front edge of the straight-edge or rule. (See Figs. 1 and 3.)

The straight-edge yor rule, at its rear edge, is beveled downwardly and rearwardly, as at L', and the operating-knife S employed in cutting the mat is held with its side engaging the beveled edge of the straight-edge or rule so that when the hole 'or opening in the inatboard is out, a beveled edge is formed around the hole or opening. The knife employed is preferably of the construction shown in Fig. 6, wherein it is beveled and sharpened at the lower or cutting side and free end to permit it to be pressed firmly into the corner of the opening or hole to be cut in the mat, so that a smooth clear cut is obtained, the knife in the cutting operation of course being held with its unbeveled side in engagement with the beveled edge of the straight-edge or rule. In using the knife it should be firmly held against the beveled edge of the straight-edge or rule by pressing the first and second tingers of the left-hand (referring to a right handed operator) on the blade of the knife with the thumb of the same hand resting upon the straight-edge or rule and when the knife has been placed in position for cutting it should be carefully drawn along the bevel of the straight -edge or rule between the marks indicating thecorners of the opening or hole to be cut in the mat. The cutting of heavy mat-boards will require several cuts and close hard pressing into the corners to free the detached central portions of the matboard.

What l claim is 1. In apparatus for cutting picturemats with square or rectangular holes, the combination of a board or table A, a straight-edge or rule L beveled or wedge-shaped at one end as at l, a clamp for engaging and holding said wedge-shaped end in position, a clampingstick P adapted to engage the straight-edge or rule on top, and a clamp O for securing said clamping-stick in place, and the stick being beveled or wedge-shaped at the end engaged by the clamp, all arranged substantially as and for the purpose set forth.

2. In apparatus for cutting picture-mats with square or rectangular holes, the combination of a board or table A, a straight-edge or rule Lbeveled, as at L', along its rear edge, and beveled or wedge-shaped at one end, a clamp for engaging and holding said wedgeshaped end of the straight-edge or rule in place and adjustable transversely of the supporting-board or table, the clamping-stick P beveled or wedge-shaped at one end and lche clamp O adjustable lengthwise of the board or table and all arranged and operating substantially as set forth.

3. In apparatus for cutting picture-mats with square or rectangular holes, the combination of a board or table A, a straight-edge or rule L, suitable clamping-devices for holding the mat and straight-edge in place, and the rest R for engaging the front edge of the straight-edge or rule and adjustable transversely of the board or table, substantially as set forth.

In testimony whereof I sign this specification, in the presence of two witnesses, this 14th day of February, 1894.

MERRICK E. CHILDS.

Witnesses:

C. II. Donna, ELLA E. TILDEN.

IOO

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