US699172A - Delivery mechanism for printing-presses. - Google Patents

Description

Patented May 6, I902. A. J. HOOD.

DELIVERY MECHANISM FOR PRINTING PRESSES.

(Ap alicatiqn filed Nov. 25, 1901.)

No. 699,I72.

3 Sheets-Sheet I.

(No Model.)

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' No. s99,|72. Patented May 6, 1902.

A. .1. noun. DELIVERY MECHANISM FOR PRINTING PRESSES.

(Application fl 1ed Nov. 25, 1901.)

(No Model.) 3Sheets-Shaet 2.

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DELIVERY MECHANISM FOR PRINTING PRESSES.

(Application filed Nov, 25, 190

(No Model.) 3 Sheets-Sheet 3.

I UNITED STATES FA NT Fries.

ALEXANDER J. HOOD, OF.MUSCODA,(\VISOONSIN.

DELIVERY MECHANISM FOR PRlNTlNG-PRESSES.

$PEC FICATI N formingpart of Letters-Patent No. 699,172, dated May 6, 1902.

Original application filed August 8, 1901, Serial No. 71,384. Divided and this applioationfiletl November 25,1901. Serial No. 83,587. (No model.)

To all whom itmay concern.-

Be it known that I, ALEXANDER J. H001), a citizen of the United States, residing at Muscoda, in the countyof'Grantand State of WVisconsin, have invented certain new and useful Improvements in Delivery Mechanism for Printing-Presses and Ido declare the following to be a full, clear, and exact'description of the invention, such as will enable others skilled in the. art to which it appertains'to make and usethe same.

Thisinventionrelates to a delivery attachment for printing-presses, and the present application is a division of my former appli-.

cation, filed August 8, 1901, Serial No. 71,384,

for a tinting and-delivery attachment forpresses. Y

The object of the invention is to provide simple and effective automatic mechanism for delivering the printed sheets to a suitable receptacle.

With this and other tibjects in view the in vention consists in certain novel features of construction and combination and arrangement of parts, which will be hereinafter more fully described, and particularly pointed out in the appended claims, and illustrated in the accompanyingdrawings, in which Figure 1 is aside elevation of a printingpress embodying my invention, showing the gripper in the act of withdrawing .a printed sheet from between the formand platen. Fig. 2 is a similar view showing the gripper in its raised position. Fig. 3 is a top plan View of the parts as arranged in Fig. 1. Fig. 4 is a detail perspective view illustrating the manner in which the printed sheets are fed into the chute. Fig. 5 is a detail perspective view of the bracket-plate. Figs. 6 and 7are' detail sectional views of the gripper.

Referring now more particularly to the drawings, the numeral 1 represents the bed or frame of a job-printing press of known construction; 2, the platen thereof; 3, the rotating inking-plate; 4, the roller-carrying arms;

5, the cran k-disk, and 6 thecrank-rod for com. municatiiig motion from the disk to said.

bears against the arm 4 and by means of which said bracket or standard 8 may be adjusted toregulate the impression of the coloring or tinting block in the manner set forth in my aforesaid prior application.

A bracket or standard 29 is mounted, to-

gether with a bearing-block 30, on oneor more suitable supports 31, attached to the rear of the bed or frame 1 0f the press and has a forwardly-curved arm 32, terminating at its free end ,in a slotted plate 33.

off to one side of the machine and is designed to receive the printed sheets from the deliverygripper. The chute and conductor may be sustained and braced bya rod or bracket 39,

extending from the supports 31, and may be madeof any suitable material and construction to suit the purpose. I

The bracket-plate 36 is formed with a T- sha'ped slot 40, the main portion of which is vertically disposed and the cross portion horizontally disposed, which slot forms the entrance to the chute 37 for the deposit of the printed sheets therein. a

The printed sheets are delivered; to the chute through the medium of the followingdescribed construction: Journaled' in the bearing 30 is a rock-shaft 4l, to'one end of which is fixed a crank-arm 42'and to the other end a'swinging delivery-arm 43. The

crank-arm 42 is jointed -to a short arm 44 on .vided with an arm .orextension 49, adjustconductor. 38 leads laterally'to a suitable receptacle, (not shown,) which may be located ably secured-to theslottedbracket plate 44 by nuts 50. The movable jaw 46 carries a trip-lug 51, which is adapted to be engaged by contact-pieces 52 53, arranged, respec-- tively, upon the press adjacent to the platen 2 and upon the chute 37 or its bracket-plate 36 to open said movable jaw to engage and release the printed sheets. A fixed part of the press-frame may, however, be utilized to perform the functions of the contact 52.

The operation of the delivery device is as follows: The crank-arm 42 is so disposed at an angle to the shaft 41 and arm 43 that when the standard 8 and the roller-carrying arms 4 swing in one direction the said arm 43 will swing in a reverse direction, so that the said swinging arm reaches the limit of its downward movement at or just prior to the time when the platen 2 moves away from the bed 1. Then the roller-carrying arms 4 move upwardly to carry the rollers over the inking- -with the contact-piece 52,

plate, the said standard 8 draws upon the rod 45, causing the crank-arm 42 to rock the shaft 41 in a forward direction, thereby causing the swinging arm 43 to be projected forwardly and downwardly at the time when the platen '2 having forced the sheet of paper resting thereon against the type-form on the bed 1 is about to move away from said bed. As the arm 43 nears the limit of its downward movement the trip-lug 51 comes into engagement whereupon the movable jaw 46 of the gripper 45 is opened and allowed to grip between it and the fixed jaw 47 the upper projecting edge of the printed sheet 54. As the platen continues to move away from the bed 1 and the rollercarrying arms 4 swing downwardly again the crank-arm 42 is moved in the reverse direction and the arm 43 swung upwardly. As the said arm 43 nears the limit of its upward movement the gripper 45 passes upward through the vertical main portion of the T- shaped slot 40 in the bracket-plate 36 and draws the printed sheet upwardly through the cross portion of said slot, as shown in Fig. 4, whereby the printed sheet is brought into the chute 37, and when the trip-lug 51 comes into engagement with the contact 53 is released and drops down into said chute, and thence passes through the spout or conductor 38 to a suitable receptacle at one side of the machine, whereby the operation of delivering the printed sheet is conveniently and expeditiously performed.

From the foregoing description, taken in connection with the accompanying drawings, it is thought that the construction, mode of operation, and advantages of the invention will be readily understood without requiring an extended explanation.

Various changes in the form, proportion, and the minor details of construction may be resorted to Without departing from the principle or sacrificing any'of the advantages of this invention, and I therefore reserve to myself'the right to make such changes as fairly fall within the scope thereof.

I claim 1. Inaprinting-press,the combination with the bed, platen and inking mechanism including the inking-plate and roller-carrying arms; of a support fixed to the frame of the press in rear of the inking-plate and having an upwardly and forwardly extending standard rising therefrom, a swinging delivery device movable over the inking-plate toward and from the platen and provided with an automatic gripper to engage the printed sheets on the platen, a rock-shaft journaled in said support and carrying said delivery device, a crank-arm connected to the rockshaft, a connection between said crank-arm and one of the roller-carrying arms of the inking mechanism for swinging said delivery device, a receptacle for the printed sheets supported by said standard, and contactpieces on the press-frame and receptacle for actuating the gripper to automatically engage and release the sheets, substantially in the manner described.

2. In a printing-press, a chute having a T- shaped slot forming the entrance thereto, combined with a delivery device movable through the body portion of the slot and adapted to draw the printed portion of-the sheet through the cross portion of the slot, substantially as specified.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

ALEXANDER .T. HOOD.

Vitnesses:

R. B. MCINTYRE, H. J. NoYEs.

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