US399384A - Feed-gage for printing-presses - Google Patents

Description

(N0 Model L. OONANT;

FEED GAGE FOR PRINTING PRESSBS. No. 399,384. Patented Mar. 12,1889.

{NITE STATES PATENT OFFICE.

l/UTIIER COXANT, OF OAK PARK, ILLINOIS.

FEED-GAGE. FOR PRlNTlNG-PRESSES.

SPECIFICATION forming part of Letters Patent No. 399,384, dated March 12, 1889.

Application filed January 6, 1888.

The purpose of my invention is to perfect a j device for use in gaging the position of sheets or blanks to be printed, in which less difficulty and time are required to fix its position than tion of the insertion.

with gages now in use, and in which the necessity of removal of the gage from one place to j as with the former examples, to enter the sheet another. resulting in numerous pimctures in the tympan-sheet and the rapid destruction of the latter, is obviated. It is also designed to simplify and cheapen such implement to the minimum, so Far as consistent with eii'ectiveness.

Serial No. 260,019. (No model.)

The desired position may be thus fixed, and then, by pressure inwardlyon the bars I) and b and the release of the latter, the reaction of the bars causes the points to enter the sheet and thereby secure the gage in position.

In Fig. 2 the same elements are shown, with the exception of the omission of the central bar.

In Fig. an adjustable feature is shown that will admit of further adjustment after the body of the implement has been fixed in its position. In this construction a metal plate or bar, a, is bent to form the two flexible bars 6 and b, with sharpened extremities, adapted,

laterally after the necessary flcxion. Two guide-bars, c and c, are shown in this example. A connecting portion of the two bars is provided having a vertical bend, e, which 5 is screw-threaded to adapt it to suitably en- In the accompanying drawings, making a part of this speeiticatiolnt-he several figures in perspective illustrate a preferable cmistruction and modifications thereof.

gage with a scrcw j. The latter also has a bearing in the part (1, by which its longitudinal position is maintained. Thehead is designed to furnish the stop portion, the screw In Figure l I have shown a gage illustrating what I consider the pr(. i?erable construction. Figs. 2, 3, 4-, and show \"aria.iions in form, all, however, embodying a feature in the being inclined in its position, so that the head presses upon the tynnmn-shcet when the gage is in position for use.

In Fig. I a. curved wire, u. of suitable flexibility, is shown, atthc extremities oif which are termed vertically; curved 1 )ortions '11, with Dointed lateral terminals 1'. TlItClliYt u serves as the stop pm'tion of the device, and the points bars, I) and I), and a central guide-bar, (a The bars I), h, and c are noierably, as a matter of economy, cut, in. common with head a,t'ro n a single piece of sheet-brass, and the two bars I) and b then changed in position bybending their shanks or connections with the head, so that their breadth is in a plane at right angles to that of the head. Thus lateral flexibility of said bars is provided. The ends ('7 and (l of the bars I) and l) are lmntlaterall y to a right angle with the lair-length and are suitably sharpened at their extremities, with a downward tendency of the points. so as to readily puncture the t ym pan-sheet. The central bar,

is also so sharpened at its extremity that it will easily puncture the sheet.

Thelength of bar 1 serve in securing the gage to the sheet.

Another form 01 gageis shown in Fig. in which a straight coil of wire isprovided with pointed terminals 1, corresponding in direction to the length of the coil. In this construction it is designed that the coil shall be conun'cssed and the reaction force the points into the sheet, thus securing the device. One end. oi the coil in this example serves as the stop. The laterally-pointed extremities of the flexible bars of the several examples I have shown directed outwardly, which is perhaps prci'erable as the more convenient arrangement, yet they may be directed inwardly and the bars spread properly to engage the points.

In the several illustrations an element common to each is shown. which constitutes one of the chief t'caturesoi' my improvcmcnt. This feature is the flexible character of the bars or true of Figs. 2 and 3, with the exception that in the first the central bar is absent and in the latter there are two. Compression or fiexion and release also serve in the examples, as shown in Figsi and 5,to insert the fixingpoints and secure the gage in position.

Haring thus described my invention, what I claim, and desire to protect by Letters Patent, 1s

1. A gage for printirig-presses, comprising a head or gage and integral elastic portions provided integrally with en gagin g-points adapted to be inserted in the tyinpan-sheet to fix the position of the gage by the reaction of said elastic portions, substantially as described. 2. In a gage for printing-presses, the combination of the head or gage portion a, flexible y bars I) and b, and laterally-extending points l connected. with said bars, substantially as set 1 forth.

3. In a gage for printing-presses, the combination of the head or stop a, side bars, 1') and b, laterally-extending points (I and d, and f central guide-bar, c, substantially as set forth.

4. In a gage for printing-presses, the combination, with the gage-body having flexible side bars armed with engaging-points, of a guidebar, 0, adapted to pun eture the tympan-sheet, l and so serve as a guide, that the gage maybe 1 secured with relation to the tympan-sheet at any desired point within the length of. said guide-bar, substantially as described.

l LUTHER CONANT.

lYitnesses:

JOSEPH RIDGE, E. L. HUBER.

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