US172656A - Improvement in proof-presses - Google Patents

Description

W. QUAIL. PROOF-PRESS.

No.17Z,656.

Patented Jan. 25, 1876.-

FIG. I.

WITN ESSES I'NVENTOR N. PETERS. PNOTO-LITNOGRAPNEH, WASHINGTON D. C.

' UNITED STATES PATENT Grrrote WILLIAM QUAIL, OF BROOKLYN, NEW YORK.

IMPROVEMENT IN PROOF-PRESSES.

Specification forming part of Letters Patent No. 172,656, dated January 25, 1876; application filed November 16, 1875.

To all whom it may concern Beit known that I, WILLIAM QUAIL, of Brooklyn, Kings county, New York, have invented. made, and applied to use Improvements in the Construction of Printers Proof- Presses; and that the following is a full, clear, and correct description of the same, reference being had to the accompanying drawing, making part of this specification, and to the letters of reference marked thereon, in which- Figure lis a side view ofmy improved proofpress. Fig. 2 is a top view of the same. Fig; 3 is an end view of the same. Fig. 4 is a view of one of the boxes employed to support the impression-cylinder.

In the drawing, like parts of the invention are pointed out by the same letters of reference.

The nature of the present invention consists in. the construction, as more fully hereinafter set forth, of an improved proof-press for use in printing and newspaper offices, the object of the invention being the production of a proofpress simple in construction, of easy operation, and one that can be sold at a'low price to the consumer.

To enable those skilled in the arts to make and use my invention, I will describe its construction and operation.

A shows the bed of my proof-press, formed, preferably, of metal, upon which the types, secured ina chase or a galley, from which the proof is to be taken, are placed.

To the ends of this bed A are attached the brackets B, in which are held the rods O, corresponding in length to the length of thebed A, over which rods 0 are moved, the boxes D carrying the impression-cylinder E.

D shows the boxes in which the impressioncylinder E is supported and carried. These boxes are made of metal, are slotted to receive the spindle of the impression-cylinder E, are provided attheir lower ends with the ears d, in which are held the rollers f, free to revolve upon the pins passed through them, and through these cars d, and are passed over the rods 0. the rollers f bearing upon the under side of the rods 0, and guiding and facilitating the movement of the impression-cylinder E in its operation.

Set-screws 9, passed through the upper sides of the boxes D, and bearing upon the spindle of the impression-cylinder, govern and regulate, by their adjustment, the impression given by the impression-cylinder as it is passed over the paper laid upon the types or form placed upon the bedA of the press.

E shows the impression-cylinder employed to give the impression. This impression-cylinder consists of a cylinder,E, formed of rubber stretched over or cast upon a spindle, it, upon which it is free to revolve, the metal in the man ufacture of the spindle being continued at each end, and so shaped as to form handles 11, by which the impress on-cylinder E, carried in the boxes D, and the boxes D, may be propelled from one end of the press to the opposite end of the same. Attached to the inner sides of the boxes D are headed pins or screws 70, over which are passed the upper ends of the roller-carriers l, a rubber roller, F, constructed like the impression-cylinder E, and supported by a spindle, being secured in the opposite ends of the carriers l. Its object is more fully hereinafter set forth.

Such being the construction, the operation is as follows: The galley or chase containing the form or types to be proved is placed upon the bed A of the press, and is properly inked by hand. The cylinder E is regulated for the impression by regulating the set-screws g, and the paper upon which the impression is to be taken is partially received between the in!pression-cylinder E and the roller F.

i The impression-cylinder and boxes are now moved from one end of the press to the other end thereof, by taking hold of one or both of the handles formed upon the spindles supporting the impression-cylinder E, and as the cylinder is so moved the paper is gradually drawn in between the cylinder and the roller F and laid upon the form or types, and, as the cylinder passes over the same, an impression of the types or form placed upon the bed A is taken.

It will be observed that I form my impression-cylinder of rubber stretched over and free to revolve upon the spindle supporting it. By so doing I obtain a cheap means of forming an impression-cylinder, and an excellent cylinder for the purpose of taking an impression,

the rubber adapting. itself to any irregulart ties that may occur in not looking up the types so carefully as is done when the same are placed upon the press for printing. Again,

by its use I am enabled when, fromiuse,-it berubber were rigid upon, its spindle, and it were necessary to revolve the combined spindle and rubber.

It will also be observed that the roller F is supported by roller-carriers which are reversible; and itwill be seen that by such construction I can place this roller upon either side of the impression-cylinder, so that if a second proof be required, or a proof of a second job placed upon the bed A, the same can be had by reversing the position of the roller F relatively to the cylinder E, and be taken on'the return movement of the cylinder E. Inaddition, the'roller F holds the paper upon which the impression is to be taken perfectly flat against the impression-cylinder, and prevents any creasing or doubling of the paper, experienced in the use of the ordinary proof-press,

which has made it heretofore-almost impossible to procure a perfect proof.

A press thus constructed can be easily operated, and can be afforded at a low cost t the consumer. A

Having now set forth my invention, what I claim as new is- 1. The combination, with the impressioncylinder-E, free to revolve upon the spindle h, supporting it, of the bed A, brackets B, rods 0, and boxesD, provided with the rollers f and set-screws g,'substantially as 'and'for the purpose described.

2. The combination, with the impressioncylinder E, supported by, and moving with, the boxes D, of the roller F, the whole constructed and operating substantially as and for the purposes specified, WILLIAM QUAIL.

-In presence of- A. SIDNEY DOANE, G O. W. ALLEN.

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