US554708A - Wall-paper trimmer - Google Patents

Description

l WALL TGOM PAPER TRIMEI'RY 3 Sheets sheet l IIIIIIIHIHIHIIHIHHHHIUIUIHHIIHHHIHIIHHh Paten ted Feb.

(No Model.) 3 ISheets-shew: 2.

J..T. MONTGOMERY. WALL PAPER TRIMMER.

N0. 554,708. Patented Peb. 18, 1896.

(No Model.) y 3 sheetssheet 3. J.`T. MONTGOMERY. WALL PAPER TRI/MMBR.

Paterited Febl` 18, 1896..

y ,1H-m k i? mmm/3.6M @Wr ANDREW AGRAMAMfHmOuTMawAsMNGTuN D'C UNITED STATES YPATENT OFFICE.

JOHN T. MONTGOMERY, OF BATTLE CREEK, IOWA.

WALL-PAPER TRIM M ER.

SPECIFICATION forming part of Letters Patent No. 554,708, dated February 18, 1896.

Application filed Aprilll, 1895. Serial No. 545,275. (No modell) To all whom it may concern:

Be it known that I, JOHN T. MONTGOMERY, a citizen of the United States, residing at Battle Creek, in the county of Ida and State of Iowa, have invented a new and useful Tall-Paper Trimmer, of which the following is a specication.

The object of this invention is to provide a y simple,cheap and durable machine into which a roll of paper may be placed and firmly held, and a strip of even width cut from the entire roll with one movement of the operating-lever, especially adapted for trimming the border or waste margin from rolls of wall-paper.

My invention consists in the construction, arrangement, and combination of operative parts with a portable frame, as hereinafter set forth, pointed out in my claims, and illustrated in the accompanying drawings, in which- Figure l is a perspective view of the complete device. Fig. 2 is a front elevation of the cutter. Fig. 3 is a transverse sectional view of the knife through the line 3 3 of Fig. 2. Fig. 4 is a front view of a modified form of the device. Fig. 5 is a vertical longitudinal sectional view of the same. Fig. 6 illustrates a modified form of the detachable follower and its connection with the verticallysliding rod.

Referring to the accompanying drawings, the reference-letter A is used to indicate the frame for supporting the paper, preferably made of cast metal and having a central longitudinal opening, with a rounded bottom of a size and shape to receive a roll of wall-paper. The front A2 of the frame is enlarged laterally and arched over the front with an oval opening in alignment with the Opening in the frame to receive a roll.

A3 indicates a curved guard inclined upwardly and away from the opening, and A4 indicates an arm extended rearwardly and provided. with a stop A5 to limit the outward movement of the knife, as hereinafter explained.

A6 indicates an integral journal on the front A2 at one side of the opening therein. B indicates a lever fulcrumed to said journal and having its inner end curved and a handle B2 on its outer end.` Fixed to the curved portion of the lever is a knife-blade B2 secured by bolts B4, and so shaped as to slide relative to the opening in the front during every portion of its downward movement, thus producing what is known as a drawing cut on a roll of paper projected through said opening. It is obvious that when the lever is moved backwardly it will be supported by the stop A5, and, furthermore, the knife-blade will be protected by the guard A2.

O indicates a lever fulcrumed to one side of the frame in the lugs O2 and extended over the frame at right angles thereto.

C2 indicates a rod pivoted at its outer end and extended downwardly to a foot-treadle O4, whereby it may be pulled downwardly by foot-pressure. It is normally held upwardly by means of the contractile coil-spring C5.

D indicates a follower having a convex lower surface placed in the opening in the frame with its front edge flush with the front of the frame. D2 indicates lugs on its ends admitted into the grooves D3 formed in the frame, thus securely holding the follower in position with its forward face liush with the front and permitting a free vertical movement thereof. This follower is pivotally connected with the lever O by means of the integral arm D4;

In the modied form shown in Figs. 4 and 5, F indicates a concavo-convex plate designed to be fitted in the bottom of the frame A2. This plate maybe of any desirable thickness to adapt the machine to receive differentsized rolls. The means for compressing the roll comprises a bar H slidingly mounted in the brace H2 and having an enlarged base Hs provided with lugs H4 to enter the slots D2 in the frame A2 and guide the movement of the bar, and also a dovetailed groove H5 to receive a mating projectionJ from a follower J2. J 3 indicates two downward projections on the lower surface of the follower. These act in substantially the saine manner as the convexed lower surface of the preferred form, the modified form being shown to illustrate the idea that any form by which the central portion of a roll may be compressed will sufiice. Followers of different shape may be interchangeably used for paper of different quality and rolls of various degrees of compactness. The bar H is normally elevated by means of a contractile spring K. To press IOO the bar downwardly a cam K2 is fulcruined in the top of the frame A2 to engage the top of the bar. This cam has a handle K3 fixed to its upper end.

In practical use the roll of paper is placed in the frame and its end projected through the front as far as the border on the paper. Then the treadle is operated or the handle pressed downwardly and the follower forced downwardly upon the paper, thus tightly eolnpressing the saine. Ordinarily there is a small opening in the center of each roll, and it is practicallyimpossible to eut oif a roll accurately until all of the layers of paper are tightly compressed. To thus compress the roll so as to close this central opening it is necessary to have a follower provided with projections on its under surface designed to press a portion only of the roll, and in order to prevent the entire roll from being compressed, an d thus causing creases to be formed in the outerlayers of the roll, the entered ges of the follower must be on ahigher plane than the central portion thereof.

In order to cut the roll at any particular point designated, it is necessary to first adjust the follower to firmly compress its central portion and hold it against longitudinal movenient, and in order to accurately cut on the line of the border the follower should be adjusted independently of the knife, so that the operator may see the edge of the border. When the paper is thus iirmly held the knife is operated, and by a sliding eut the end or margin of the paper is severed.

Having thus described my invention, what I claim as new therein, and desire to secure by Letters Patent of the United States therefor, is

1. In a roll-paper cutter the combination of a suitable frame grooved to receive a roll of paper, and a follower mounted in said frame above the groove in the frame to move in a vertical plane and having its lower surface projected downwardly farther at its central portion than at its edges, for the purposes stated.

2. A roll-paper cutter, comprising a suitable frame, the curved knife pivoted thereto, the follower mounted therein, one or more downward projections at or near the central portion of its under face, and independent means for operating the follower, substantially as and for the purposes stated.

JOHN T. MONTGOMERY.

IVitnesscs:

S. C. MOLLER, E. O. ISRoNsoN.

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