US1065752A - Hand metal-punch. - Google Patents

Description

W. A. WHITNEY.

HAND METAL PUNCH.

APPLICATION FILED 23.17, 1912.

1,065,752. Patented June 24, 1913.

Inventor Witnesses Attorney UNITED STATES PATENT OFFICE.

WILLIAM A. WHITNEY, OF ROCKFORD, ILLINOIS, ASSIGNOR 'IO WHITNEY METAL TOOL COMPANY.

HAND METAL-PUNCH.

Patented June 24, 1913.

Application filedFebruary 1'7, 1912. Serial No. 678,253.

1 065 52. Specification of Letters Patent.

To all whom it may concern:

Be it known that I, INILLIAM A. WHIT- Nnr, a citizen of the United States, residing at, Rockford, in the county 0 Winnebago The slot 3 divides the head into arms or extensions 4 and 5. The punch 6 reciprocates through the extension 5 and passes into and out of a suitable socket in the exand State of Illinois, have lnvented a new tension 4. The punch 6 cooperates with a 0 and useful Hand Metal-Punch, of which the socket member 6 which is screwed into the following is a specification. extension 4;, as shown in Fig. 2.

This invent-ion relates to hand metal The means for actuating the punch inpunches of that type wherein a stationary cludes a punch engaging member 7 which and a movable handle are employed, the is pivotally connected at8 with the head 1. stationary handle having a slotted head pro-.- At its outer end, the punch engaging memvided with a transversely movable punch, her 7 as best shown in Fig. i, is provided the punch being operate by a member pivwith a punch engaging slot or opening 8, oted on the slotted head and engaging the which receives the head 9 of the punch 6, as punch at its outer end, said member being shown best in Fi 2. The punch engaging 7 0 operated by the movable or operating handle member 7 is also provided at its outer end of the tool. Heretofore difliculty has been with a circular bore or opening 10 which experienced in providing a satisfactory extends from side to side thereof and is means of connection between the operating provided with an annular slot 11. Fitting handle and the tool engaging lever. snugly in the bore 10 is a cylindrical mem- The object of the present invention is to ber 12 with which is connected or formed rovide an improved means for operating integral, in any Suitable manner, a main opthe tool engaging lever from the operating crating hand e 18. The main operating handle without undue wear, friction or bindhandle 13 extends outward through the aning. nular slot 11 in the bore 10 The cylindri- 30 With the foregoing and other objects in cal member 12 is formed with an eccentric view which will appear as the description bore 14 through which extends a bolt 15 proceeds, the invention resides in the comwhich is connected at its opposite en s with bination and arrangement of parts and in a pair of metal straps 16. The straps 16,:1s the details of construction hereinafter debest shown in Fig. 1, extend downward and scribed and claimed, it being understoo are connected with a bolt 17, which passes that changes in the precise embodiment of laterally through the extension 5 of the invention herein disclosed can be made withslotted head 1. The bolts 15 and 17 are sein the scope 0 what is claimed without decured in place by any suitable means, such parting from the spirit of the'invention. for examp e, as the nuts shown in the draw- 99 In the accompanying drawing forming a ing. For the purpose of assembling the cypart of this specificatiom'Figure 1 is a side lindrical member 12 in the bore 10, one-hal elevation of a ortion of a punch conof said bore is split, as indicated at 18, in structed in accordance with the present inn Fig. 4. This split portion extends from the vention; Fig. 2 is a similar view pa ly in outer end of the bore 10 to the end of the section; *ig. 3 is a detail perspective view slot 11 and serves to produce a tongue 12 showing the end of the operating lever with which is bent straight upward before the the eccentric thereon; Fig. 4: is a perspective part 12 is inserted. ith the tongue a view of the outer end of the punch engaging standin upward, the part 12 can be inserte member showing the circular bore in whic endwise 1n 0 the bole 10 until the operating log the eccentric of the operating lever fits; handle 13 is located in the slot 11. The Fig. 5 is a detail perspective view of an imtongue 10 is then bent down into the posiroved wear-receiving or washer member. tion shown in Fig. 4: By moving the oper- Like reference numerals indicate correating handle 13 downwardly toward the stasponding parts throughout the several figtic-nary handle 2, the eccentric cylindrical 10 ures of the drawing. portion 12 of said handle throws the punch The numeral 1 indicates the head with engaging member 7 downward, thus operatwhich is connected the stationary handle 2. ing the punch. The head 1 is formed with a slot 3 intended When the unching tool passes through 1 to receive the metal which is to be punche the metal, the handles of the punch usually impact of this knock and preventing it from damaging the drieal memb cast metal parts of the punch, a striker plate shown in Fig. 5, is arranged upon the I punch engaging member 7, as sl Figs. 1 and 2.

vided With lateral Wings 23 which terminate in washer-like Washer portions 24 are disposed on opposite sides of the shank of the punch engaging member 7 and the bolt 8 extends through suitable openings in the Washer portions 2st. striker plate any damage to the punch engaging member 7, due to the impact of the operating handle 13, is avoided. Moreover, *ear between the pivoted end of the member 7 and the lugs or ears on the slotted head 1 is taken up by the Washer portions 24.

hat is claimed is:

n a. punch, the combination with a slotted head having a punching tool slidable therein, a pivotally mounted thereon ant connected With said punching tool, an operating h actuating said punch engaging member, and means connecting said operating handle to said slotted head so as to permit swinging movement of the operating handle, of eecentrically connected operating members at tached to the operating handle and the punch engaging member.

a punchgthe combination with a tie purpose of receivnw the crating handle rigidly connected to said cylindrical member.

4. I metal rising a a sliclable punching tool th 111 said through and pivot-ally lead at their lower ends.

0. '1 e combination With a le. 6. The combination With a a slotted, head,

able therein, a punch engaging member pivotally mounted thereon and connected with said punching tool, an operating handle for actuating said punch engaging member, and means connecting said operating handle to said slot-ted head so as to permit swinging movement of the operating handle, of a rotary member eceentrically connected with said connecting means and against the opposite sides gaging member, for the purpose set forth.

n testimony that I'claim the foregoing as my own, I have hereto afiixed said punch ennature in the presence of tWo Witnesses gaging member and said operating handle. W

punch having a slotted head provided With a punching tool, a punch engaging member pivoted on said head and en- Witnesses:

STANTON A. HYER, ROBERT F. MARSHALL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

Washington, D. 0.

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