US898158A - Hinged match-plate for flasks. - Google Patents

Description

No. 898,158.. PATENTED SEPT. 8, 1908. L. W. VAN GLEAVB & G. 0.. DEWEY. HINGE D MATCH PLATE FOR FLASKS.

' APPLICATION FILED APR. 1a, 1908. Y

.m V2 nQ 00 F v 1 H Lee W Van Cleave 0 George Qp l NW5 I UNITED STATES PATENT orrron.

LEE W. VAN OLEAVE AND GEORGE O. DEWEY, OF ST. LOUIS, MISSOURI, ASSIGNORS TO THE BUOKS STOVE AND RANGE COMPANY, OF ST. LOUIS,

MISSOURI.

MISSOURI, A CORPORATION OF KING-ED MATCH-PLATE FOR FLASKS.

Patented Se t. a, 19.08.

Application filed April 18, 1908. Serial No. 427,898.

To all whom it may concern:

Be it known that we, LEE W. VAN CLEAVE and GEORGE O.'DEWEY, both citizens of the United States, residing at St. Louis, Missouri, have invented a certain new and useful Improvement in Hinged Match-Plates for Flasks, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specification, in which Figure 1 is a perspective view of a flask and a match-plate arranged between the cope and drag of the flask and provided with hinge members that cooperate with hinge members on the cope and drag; Fig. 2 is an enlarged detail view showing one of the hinge members on the match-plate arranged between the cooperating hinge members on the cope and drag of the flask; Fig. 3 is a view similar to Fig. 2 showingthe match-plate removed; and Fig. 4 is a detail perspective view of the cooperating hinge members on the cope, match-plate and drag.

This invention relates to match plates and flasks such as are used in metal founding.

As is well-known, a match-plate consists of a plate or member provided on its opposite sides with the two halvesof a-pattern. The match-plate is arranged between the cope and drag of the flask and after the flask has been rammed the cope is separated from the drag and the match-plate is t en removed,

.thus leavin the impression of one-half of the pattern in the drag and the other half of the pattern in. the cope. The cope is then replaced on the drag and the metal is poured into the hollow space which the pattern on the match-plate has formed in the cope and drag.

plate had to be lifted bodily off the matcheplate necessarily had to be compara tively small so that the workman could handle it and raise it evenly. the match-plates that have heretofore been in general use could not be'used casting Consequently,

be small enough to enable the workman to handle it.

The main object of our invention is to provide a match-plate oi the type above referred to which is connected to one member large articles because the match-plate had to of a flask in such a manner that a workman can remove it by merely swinging it upwardly, thus permitting large match-plates to be used.

vide a hinge comprising two members that are adapted to be connected to thecope and drag of a flask and an intermediate member that is adapted to be connected to a matchplate which is arranged between the cope and drag, said cooperating so constructed that the cope can be swung upwardly and removed and the match-plate can thereafter be swung upwardly and lifted out of the hinge member on thedrag. After the match-plate has been removed the hinge member on the cope is inserted in the cooperating hinge member of the drag and 'thecope is then swung downwardly into operative position.

Referring to the the preferred form of designate,respectively, the cope and dra of a flask, and C designates a matchlate-t at is rovided on its opposite sides wit the two haIves of a pattern. The drag B is provided at its rear side with aplurality of hinge memprises a vertically dis drawings which illustrate bers each of which com posed web 1 and semi-errcular-shaped flanges 2 that project laterally from the opposite sides of said web. The web 1 is provlded with a slot 3 that forms a socket or bearing for a portion of a cooperating on the cope, andthe side faces of said web are recessed or hollowed out to form bearings for conical-shaped portions on the hinge member of the cope.

The match-plate C edge with hinge members each of which corn.- prlses two semi-circular-shaped flanges 4 that rest upon the insidezfaces of the flanges 2 of the cooperating hinge member on the drag when the match plate is in operative .,posi-.

tion, as shown in, Fig. 2. The flanges4 on the match-plate are spaced apart, as shown in Fig, 4, so as'to provide a slot into which the web 1 of the hinge member on the drag- B projects, and said flanges are provided at their outer edges with vertically disposed our mvention, A and B is provided at its rear Another object of our invention is to pro-' hinge members being 7 hinge member strengthening webs 5 that cooperate with the flanges 4 to form a socket for receiving the hinge member on the cope. We prefer to provide the matchlate with integral hinge members but it wi l, of course, be understood that the hinge members could be formed separate from the match-plate and connected thereto by fastening devices without departing from the spirit of our invention.

The cope A of the flask is provided with hinge members each-of which consists of two approximately disk-shaped portions 6 arranged vertically and provided on their inner faces with conical-shaped projections 7 that have their apexes connected together, as shown in Fig. 4, so as to roduce a fulcrum pin. having .a contracte central portion which fits in the slot formed in the web 1 of the hinge member on the drag.

Prior to the operation of ramming the flask, the match-plate is arranged betweenthe cope and drag, asshown in Fig. 2, the outer faces of the semi-circular flanges 4. of the hinge members on the match-plate iresting upon the inner faces of the semi-circular flanges 2 of the hin e members on the drag, and the disk-shape portions 6 of the hinge members on the cope restin upon the inner faces of the semi-circular anges 4 of the hinge members on the match-plate. After the flask has been rammed the co e A isv swung upwardly'away from the matc -.plate, the disk-shaped portions 6 turning or rocking on the inside faces of the flanges 4. The cope is then lifted bodily from the drag so as to the matc -plate swings upwardly its -withdraw the hinge members on the cope t e from the ooperating hinge "members on match-p ate and the -matchplate is then swungu wardly away from the drag. As

4 turn or rock on the inside faces of the semicircular flan es 2 of the hinge members on the drag an thus cause the match-plate to move evenly so that no skill is required on the plart of the workman to remove the mate -plate. After the match-plate has been raised far enough to withdraw the pattern on the underneath side thereof from the sand, said match-plate is. lifted bodily from the drag, the hinge members on the drag being so constructed that the hinge members of the matchqblate pass outof enga ement with same when the match-plate is hfted or moved bodily away from it. The cope is then arran ed over the drag so that the 'nge m'em ers on the cope pro'ect into the hinge members on the drag an the cope is then swung downwardly into operative osition on the drag, as shown in Fig. 3. the cope swings downwardly into operative position the lower edges of the slots 3 inthe vertical webs 1 of the hinge members on said drag act as bearings for the contracted fulcrum pinon the hinge members of the-cope,

which extends between the e the recesses in the side faces of said webs 1 act as bearings for the conical-shapled portions 7 of the hinge members on t e cope, and the inner faces of the flanges 2 on the .hinge members of the drag act as bearings for the disk-shaped portions 6 of the hinge members on the cope so that the cope will be sure to be positioned properly relatively to the drag. I

As shown in Fig; 2, the semi-circularshaped flan es 4 of the hinge members on the match-p ate are of the same thickness as the portion 8 of the match-plate that lies between the meeting edges of thecope and drag so that when the match p'late is removed and the hinge members on .the cope 'rest upon the hinge members of the drag t faces of the cope and drag'in which the impressions of the pattern are formed will con- V tact with each other as shown in Fig. 3.

By mounting the matchplate in the manner above described we are able to use a large match-plate as the cooperating hinged members cause the match-plate to move evenly when the workman swings it up wardly.

, Having thus described our invention, what we claim as new and desire to secure-by Letters Patent is: v

1. A flask comprising a cope and a drag, a hinge member on one of said parts having a curved bearing'surface, a cooperating hinge member on the other part having an approximately cylindrical-shaped bearing sur ace, a match-plate arranged etween the cope and drag, and hinge members on the match-plate having semi-circular-shaped flanges that rest I freely upon the curved bearing surface of the member first referred to" and which are adaptedto form bearing surfaces for-thecylindrical-shaped bearing surface of the second member referred to; substantially as described.

. 2. A flask comprising a cope and a drag, socket hinge memberson one of said parts, cooperatin hinge members on the other part that are a apted to rest freely in said socket hinge members, and a match-plate arran ed between the co e and drag and provi ed with hinge mom ers-that are interposed bel a cope and aid hinge members 0 one 0 said parts consistihfi of approximately disk-shaped portions and 1 from said web, and a 006 crating member fulcrum pins, hinge members on the other having ap roximately isk-shaped porpart conslsting of webs provided'with sockets tions which ear upon the flan es ofthe memfor said fulcrum pins and semi-circularber first referred to and a in crum pin that 35 5 shaped flanges arranged in alinement with rests in the socket and engages the curved said disk-shaped ortions, a match-plate arbearing surface on the web of the member ranged between t scope and drag, and hinge first referred to; substantiallyas described.

members on said match-plate consisting of 7. A three-part hinge comprising a memsemi-circular-shaped flanges that are interber plriovided with a vertically disposed web 40 1o posed between the disk-shaped portions and in w ch a slot is formed and semi-circularthe semi-circular-shaped flanges of the hinge sha ed flanges that project laterally from members on the cope and drag; subst'ansai web, said web being provided on its i-tially as described. sides with sockets, a second member pro- 5-. A hinge composed of three members vided with semi-circular-shaped flanges that 45 each of which is adapted to be connected to embrace the web and rest upon the flanges 0 an object, one of sai 'members consisting of the memberwfirst referred to, and a third a socket and semi-circular-shaped flanges, the member provided with disk-shaped portions othermember consisting of a semi-circularthat rest upon the semi-circular-shaped shaped portion which rests on said'flanges, flanges of the second member, said disk- 50 Y andisprovided with a curved bearing surface, shaped portions being provided with conicaland the othermember consisting of approxnfl shaped projections that rest in the sockets in mately round portionsv that rest upon said the web of the member first referred to; sub .jcur'ved bearing surfaces and which are prostantially as described. vided with a fulcrum pin that fits in the In testimony whereof, we hereunto affix 55 socket ofithemember first referred to; subour signatures in the presence of two witstantially as described. nesses, this 15thofApril, 1908.

6. A hinge 'comprisin a member that is W.-VAN CLEAVE.

' GEORGE O. DEWEY provided with a vertica ly dis osed web 1n which a socket is, formed, curve bearing sur- Witnesses:

faces on the-sides of said web and semi-cir- WELLS L. Onuncn,

cular-shaped flanges that project laterally GEORGE BAKEWELL.

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