US1446647A - Marking tool - Google Patents

Description

Feb. 267, 11923.. 11,446,647

K. I HIRTSCHULZ MARKING TOOL Filed June'l2, 1920 llllllll Patented Feb, 2?, i923. Parent (QFFEQEO KURT HIR'EECHULZ, h BERLIN, GER-MANY, -ASSIGNOR, BY DIRECT AND IKESNE ASSIGNMENTS, OF ONE-HALF '30 NORDDEUTSGHE METALTNVABENFABRIK (-1-. 1E. B. H., OF BERLIN, GER-MANY, AND ONE-HALF TO MARBURG BRVO'IHERS, INC, OF NEW YORK, N. Y., A FIRM.

MAB-KING 'JOOL.

Application filed June 12, 1920. Serial No. 388,692.

To aZZ whom it may concern: The tool is then turned sov that the arm Be it known that T, KURT HIn'rsoHULZ, a carrying the type to be marked is restcitizen of the German Republic, residing at ing on the object, the corresponding nulierlin, Germany, have invented certain new meral near the upper part of the circumfer- 5 and useful Improvements in Marking Tools, ence being now vertically above said arm. of which the following is a specification. The point immediately above this figure My invention refers to a marking tool for is now hit with the hammer Z and the numarking boxes, or other objects or for punchmeral is marked thereby on the object. In ing letters and other marks in metallic oborder to mark thereon the next-succeeding 1o jects. numeral, the corresponding arm I; need In the tool according to my invention the merely be applied thereto and another blow types, letters, numerals etc. are arranged on with the hammer will mark it down. Thus the free ends of separate arms radially dis-- the tool need not be released between two posed around the center of a circular disk blows nor is it necessary to look for the 15 which may consist of metal, wood or any following arm, so that the marking proceeds other suitable material according to whether much quicker and easier than before. the types are cut in metal, wood, rubber or Instead of numerals other types (letters, the like. Preferably only about one half trade-marks, quality-marks and so on) may of the periphery of the disk is set with typebe formed on the arms I), which may be 20 hearing arms while the other half is plain present in any desire-d number, and the and serves to receive the blows of the hammarks, instead of being integral with the mer in case that the marking shall be done arms, may as well be formed on separate 7 in this way. parts interchangeably connected with the Tn the .drawings affixed to this specificaarms. In order to feature economy in tion and forming part thereof the preferred manufacturing cost it is appreciated that form of a tool according to the present inthe disk may be formed simply by cutting vention is illustrated, in which a slice from a round steel bar and the teeth- Fig. 1 is a perspective view of the tool like dies cut therein on an ordinary milling itself, while machine.

30 Fig. 2 is a like view showing the mode of I claim applying marks to a metallic object by aid 1. As an article of manufacture, a metallic of a hammer. ten-character marking tool of relatively Referring to the drawings, a is a substanlight weight so as to be capable of ready tially circular steel disk and 6, Z) are ten manual manipulation, said tool having a arms radially disposed around the center fiat, circular disk-like form with approxiof said disk and covering about one half of mately one-half on the periphery provided its circumference, each arm carrying at its with eleven equally spaced apart recesses free end one of the types 0, 1, 2 9. forming ten marking dies therebetween, The corresponding numeral is disposed at each die having a different character from 40 the root of each in order to facilitate each of the other dies, and the other half their selection. The other half of the cirof the periphery being substantially smooth cumference of the disk is plain and correand continuous between the end recesses to sponding numerals are marked near this form an arched percussion surface, the perpart of the circumference on the diameters cussion receiving portion outlined by the 45 passing through the single arms, so that smooth periphery being solid for substanlike numerals appear at both ends of each tially one-half of the side of the tool therediameter. A perforation c, which may as by to provide a rugged part for receiving well be replaced by a depression, is provided and transmitting the percussion shocks in the center of the disk. therethrough to the oppositely disposed 50 In order to mark a metallic object by marking characters.

aid of the device described, the disk is 2. A metallic marking tool comprising a gripped with the left hand, the thumb and flat circular disk with approximately oncforefinger resting on the central perforation. half of the periphery provided with a plurality tof recesses. torming a sp ur gear like effect having more than three teeth formlng dles and the remaining part of the periphery -opposite the d-iesconstituting. a

percussion surface of :greatercircumferential length than-any of the dies.

3. A metallic marking tool comprising a flat circular disk With approximately onehalf of the periphery provided Withranplurality of recesses forming a spur-gear like eifect having more than 'three teeth forming dies. and the remaining part of the periphery opposite the dies constituting a percussion surface of greater circumferential length'tha-n-any of the dies, said disk providedwith an aperture extending axially therethrough to provide a bearing fOI rotating the tool'hetWeenth-e operatorsfingers and" tending to reduce the Weight of the tool.

4. A marking tool comprising a flat disk having'a plurality of closely positioned dies forming one side of the periphery and continuous -.percussion surface constituting.

posed adjacent its respective die and a similar character of the other set disposed in diametrically opposite relation and adjacent the percussion surface thereby to indicate to the operator iviewing one side of the disk the point of application on the percussion surface required to be struck to form thedesired mark.

In'testimony whereof I afiix my si'gnature.

KURT HIRTSCHULZ.

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