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Nov. 26, 1946. H. c. KEMMERLIJN 2,411,733 _ TUBING EXPANDING TOOL I Filed May 51, 1944 lll|| \ 1| INVENTOR. ATI'D R N EYB Patented Nov. 26, 1946 H - if . 2,411,733 UNITED STATES PATENT -» i ,oFFicE" 2,411,733 TUBING EXPANDING TOOL Henry C. Kemmerlin, Tryon, N. 0. Application May 31, 1944, Serial No. 538,126 1 Claim. (CI. 81-51) \ 1 2 The invention relates to a tool and more espe cially to an expandingtool for stretching or ex in accordance with the invention, and hereinafter panding purposes. set forth'in detail. . The tool A comprises a pair of levers l0 and l I, The primary object of the invention is the pro respectively, each having a handle end l2 which vision of a tool of this character, wherein the jaw is of straight formation, and of required length. ends of the same have ?tted therein work appli The levers l0 and II converge toward each other cators of special construction, so that the work from the innermost portions of the handle ends can be properly engaged for the expanding or l2, then are reversely angled thereto at the ends stretching of the latter, the tool being of forceps opposite and remote from the said handle ends or plier type for hand operation thereof. 10 I2, to provide outwardly divergent jaws l 3. Another object of the invention is the provision The lever l0 next to its jaw I 3'and partially of a tool of this character, wherein the same is extended into the latter has a bifurcation l4 lon designed for use in expanding tubing or a carrier gitudinally directed therein, while the lever H therefor with the jaws of the said tool constructed so as to enter tubing or apertures in elastic mate rial and be forced apart by pressure on the handles, thereby enlarging the size of the aper ture and allowing a convenient connection with ' a centered narrow elbow portion I6, which inter Figure 5 is a sectional view taken on the line 5--5 of Figure 3 looking in the direction of the on a tubing or carrier therefor as before stated. next to its jaw l3 and partially extended into the latter has in the outer faces recesses l5 providing ?ts the bifurcation M, the latter being also're versely elbowed at 11 to the elbow portion [6. another tube or carrier. , The elbowed portions l6 and I‘! are pivoted to A further object of the invention is the provi 20 gether by a pivot bolt l8 for swingingly connect sion of a tool of this character, which is simple ing the levers with each other for the swinging of in construction, thoroughly reliable and e?icient the jaws l3 toward and away from one another. in operation, strong, durable, readily and easily This pivot bolt I8 is located at the crotch of the handled, the work applicators being removably elbows l6 and I‘! of the levers Ill and II, respec ?tted, and comparatively inexpensive to manu 25 tively. facture. Formed in the tips of the jaws l3 are sockets With these and other objects in view the inven [9 for reception of the studs 20 of the work appli- V tion consists in the features of construction, com caters 2|, these having outer half-rounded outer bination and arrangement of parts as will be side faces 22 conforming to the inner diameter hereinafter more fully described, illustrated in the 30 and shape of a tubing or apertures therefor, the accompanying drawing, which shows the pre studs 20 being removably secured in the sockets ferred embodiment of the invention, and pointed l9 by set screws 23 tapped in the sides of the out in the claim hereunto appended. jaws I3 at one side thereof. In the accompanying drawing: The lever II has ?tted thereto an adjustable Figure 1 is a side view of the tool constructed stop screw 24 which is adapted to contact with in accordance with the invention. the base of a socketed stop 25 formed in the other Figure 2 is a fragmentary end view of the same. lever I0, so as to limit the throw of the said levers Figure 3 is a fragmentary inner face view of when pressed toward each other at the handle one of the jaws of the tool. ends [2 thereof, so as to regulate the separation Figure 4 is a view similar to Figure 3 of the 40 of the jaws l3 when manually operating the tool other jaw of the tool. for expanding or stretching purposes in operating The spreading of the jaws I3 is had by separat ing the handle ends l3 in the manual operation Figure 6 is a side view of the jaw for inter?tting 45 of the tool as will be apparent, due to the con with the other jaw shown in Figure 5 of the nection of the levers l0 and II as has been set arrows. , tool. 1 Figure '7 is a sectional view taken on the line 1-—1 of Figure 1' looking in the direction of the arrows. ' , 7 Similar reference characters indicate corre forth. ' ' From the foregoing it is thought that the con struction of the tool and its manner of operation 50 will be clearly understood, and therefore'a more extended explanation has been omitted. sponding parts throughout the several views in What is claimed is: the drawing, A tool of the kind'described comprising a pair Referring to the drawing in detail, A designates v.of levers having handle ends of straight forma generally the tool in its entirety as constructed 55 tion which converge toward each other from the 2,411,733 3 4 innermost portions of the handle ends, are then reversely angled thereto at the ends opposite and remote from said ends to provide outwardly divergent jaw ends, one of the levers having a jaw 'ends of said levers, work applicators having studs, movably ?tting the sockets in said levers, said work applicators having half rounded outer longitudinally directed bifurcation therein, the ' with relation to the studs, means for retaining other lever being reduced for inter?tting the bi furcation, said levers being formed with reversely elbowed portions at their point of inter?tting, a pivot bolt connecting the levers for opening and side faces formed thereon at a position off-center said studs in said sockets and a limit screw ?t ting one of the levers and engaging the other lever for regulating the separation of the work applicators on actuating the levers. closing movement relative to each other in said 10' elbow portions, sockets formed in the forward HENRY C. KEMNIERLIN.