Патент USA US2412783код для вставки
A. RURAK . ' 2,412,783 ` cHIsEL Filed 001;. 25, 1944 if IIN' ull' f à IN VEN TOR. Patented Dec. 17, i946 `Z,4l2,783 UNETED‘STATES PATENT OFHCE 2,412,783 CHISEL Anthony Rurak, Springfield, Mass. Application October 25, 1944, Serial No. 560,319 1 Claim. (Cl. 262-33) 2 This invention relates to improvements in The sides l5 of the cutting portion, as shown in chisels and is directed more particularly to im» Fig. 1 diverge to provide a gradually widening provements in sportsman’s chisels. shape so that the cutting edge Hi is relatively The principal objects of the invention are di wider than the upper portion of the cutting part rected to the provision of a chisel which is par ticularly adapted for the use of Sportsmen or When'blows are applied to the upper end of the fishermen in forming holes in ice for ice fishing. chisel the cutting edge sinks rapidly into the ice A hole for fishing through the ice should he so that the chisel is fast cutting and the particular smooth and clean cut and only large enough to form provides a smooth clean hole. accommodate the fishing apparatus. It is not 10 It will be noted that blows are delivered to the possible with heretofore known chisels to provide body portion through the shank 8.4 The body the proper kind of a hole particularly where the portion considered by itself is of considerable ice is of appreciable thickness, the hole is usually bulk and weight and reinforces the chisel inter too large and rough in shape. mediate its ends. ‘ According to this invention, a chisel is provided 15 By providing the body portion, shank and which by reason of its novel construction is chisel in the arrangement shown it is possible adapted for cutting holes through ice of many to form a chisel of considerable length for cut» inches in thickness which holes are smooth and ting through ice of considerable thickness which of the desired shape. Due to the characteristics is not possible where a rod with a sharpened of the chisel the cutting action thereof is readily lower end is used. controlled so that holes of the desired shape and The invention may be embodied in other specific size may be formed. forms without departing from the essential char With the foregoing and various other novel acteristics thereof. Hence, the present embodi~ features and advantages and other objects of my ments are therefore to be considered in all respects invention as will become more apparent as the 25 merely as being illustrative and not as being re description proceeds, the invention consists in strictive, the scope of the invention being indi» certain novel features of construction and in the cated by the appended claim rather than by the combination and arrangement of parts as will be foregoing description, and all modifications and hereinafter more particularly pointed out in the variations as fall within the meaning and purview claim hereunto annexed and more fully described 30 and range of equivalency of the appended claim and referred to in connection with the accom are therefore intended to be embraced therein. panying drawing wherein: What it is desired to claim and secure by Letters Figs. l and 2 are front and side elevational Patent of the United States is: views respectively of a chisel embodying the novel As a new article of manufacture, a unitary features of the invention. sportsman’s chisel construction for cutting holes Referring now to the drawing more in detail, in ice comprising in combination, a Single length the novel features of the invention will be fully of metal formed to have an intermediate elon described. gated parallel sided body portion substantially The chisel 2 of the invention will preferably be rectangular in cross section, a cylindrical up# made from a suitable grade or type of steel and 40 wardly tapering shank extending upwardly from has an intermediate body portion 4 which is sub said body portion which is of less diameter than stantially rectangular in cross section and of said body portion and having a stem on the considerable strength. upper end thereof, a cutting portion extending Upwardly of the body portion 4 there extends downwardly from said body portion provided with a shank portion 6 which is preferably round in 45 front and rear faces continuing downwardly from cross section and tapering, as shown. front and rear faces of the body portion and con On the upper end of the shank portion 6 there verging relation to a lower sharp straight con is a stem or tang portion 8 which is adapted for tinuous cutting edge and having opposite side edges between the said front and rear faces ex insertion in a handle, not shown'. l.Said-handle will be such as to withstand blows struck there 50 tending downwardly from corresponding faces of the body portion in a diverging relation to provide onto and impart the same to the shank portion. A lower cutting portion l ll extends downwardly said cutting edge with a transverse width which from the body portion 4 which has converging is greater than that of said faces of the body faces l2, as in Fig. 2, which terminate in a sharp portion. lower cutting edge I4. 55 ANTHONY RURAK.