US387033A - Frank a - Google Patents

Description

(No Model.) 2 SheetsSheet 1.

P. A. BAGLEY.

FEED GAGE FOR PLATEN PRINTING PRESSES.

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(No Model.) 2 Sheets-Sheet 2.

F. A. BAGLEY.

FEED GAGE FOR PLATEN PRINTING PRESSES.

No. 887,038. Patented July 31, 1888.

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UNITED STATES PATENT OFFICE.

FRANK A. BAGLEY, OF CHEROKEE, IOYVA, ASSIGNOR TO HIMSELF AND THOMAS MOCULLA, OF SAME PLACE.

FEED-GAGE FOR PLATEN PRINTING-PRESSES.

SPECIFICATION forming part of Letters Patent No. 387,033, dated July 31, 1888.

Application filed January 11, 1888. Serial No. 260,391. (No model.)

To all whom it may concern:

Be it known that I, FRANK A. BAGLEY, a citizen of the United States of America, residing at Cherokee, in the county of Cherokee and State of Iowa, have invented certain new and useful Improvements in Gripper-Arms and Feed-Gages for Platen Printing-Presses, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention pertains to certain new and useful improvements in combined gripperarms and feed-gages for platen job-printing presses, having for its object the provision of a new and improved form of gripper-arm, whereby the paper fed to the platen of the press will be securely held thereby, and also an improved means for forcing said paper to the desired gage or its proper position prior to being printed upon.

The invention consists, briefly, of agripperarm provided with a rubber facing desi ned to come in contact with or bear against the pa per to be printed upon, and also a feed-gage comprising a spring-actuated arm carrying an auxiliary spring-arm for forcing the paper in position, said auxiliary spring-arm being designed more especially for use in printing envelopes; and the invention also comprises means for adjustably securing said springarms at the desired point.

To these ends my invention comprises the detail construction, combination, and arrangement of parts,substautiall y as hereinafter fully set forth, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a view in perspective of a portion of theplaten of the job-printing press, showing my invention as applied thereto. Fig. 2 is an enlarged perspective View of the gripper-arm and feedgage, looking at the reverse side of Fig. 1. Fig. 3 is an enlarged plan view of the adjust able feed-gage. Fig. 4. is an enlarged detail perspective view of the spring-arms. Fig. 5 is a longitudinal sectional view on the linear, Fig. 1; and Fig. 6 is a crosssectional view on the line y 1 Fig. 1.

Corresponding parts in the several figures are denoted by the same letters of reference.

Referring to the drawings, A designates the gripper-arm ofthe ordinaryjob-printiug press, said gripper-arm being secured at its lower end to the rock-shaft, as customary, and said arm A has a short right-angular projection, a, at its lower end. In the rear central portion of the gripper-arm A is formed a groove or recess, c, as shown, and from this point extends outwardly at right angles a short arm or pro jection, a, and in the front face of this arm A, at a point just above the arm a", is formed a groove or recess, a.

Upon the frontface of the gripperarm A, I secure by suitable means rubber facing a, which extends from the upper end of said arm to the upper portion of the groove or recess a", and from the lower portion of said groove or recess to near the lower end of the arm A. This rubber facing for the gripper-arm is designed for obtaining a secure hold on or contact with the paper to be printed upon, said facing preventing the slipping of said paper, as is obvious.

Bis an adjustable plate designed to slide upon the short arm or projection a of the arm .A and its inner end to enter the groove or re cess a in the rear face of said gripper-arm, said plate having a central longitudinal slot, 1), through which projects the end of the threaded screw 1), rigid in the arm or projection a, said screw being fitted with a nut on its rear end, as shown. By this means the plate B can be secured at the desired point of adjustment.

C is a rigid arm secured at one end to the upper end of a spring-rod, C, passed through a circular or rounded portion, b", of the plate 13, and rigidly held at its lower end upon the outer surface of the right-angular portion a of the arm A by means of a keeper plate and screw, 1). The outer free end of the arm C has a small right-angular flange, (1, as shown, and to this end of said arm is secured one end of a bent or curved spring arm, D.

In practice the ends of the arm C and the arm D are designed to enter and fitwithin the groove or recess a in the front face of the gripper-arm, so that when said arms 0 D are compressed by the gripper-arm and enter said groove or'rccess a smooth surface will be obtained on the front face of the gripper-arm.

E is a metallic plate provided at its four corners with downwardly-projecting teeth 6, for securing same on the outer surface of the sheets of the platen, said plate presenting a. smooth outer surface, as shown.

In 0perating,the paper to be printed isplaced upon the platen in such manner as to cause one side edge thereof to be on the metallic plate E,whereby when the platen and gripperarm approach the flanged end of the arm 0 will strike against said edge of the paper and force the same to the desired gage, previously regulated by suitable stops and by adjusting the arm B. Should any portion of the paper be extended or projected outwardly, as in printing envelopes, the spring arm D will strike against the same and force it to the desired gage.

From the foregoing description it will be seen that the arms 0 D, which are capable of adjustment,will force the paper to the desired gage or stop, so as to be properly presented to receive the impression of the type, and that by reason of the rubber facing of the gripper-arm the paper will be held as against slipping from its proper position,both of which features are a desideratum in this class of inventions.

By means of my invention unskilled persons can operate a printingpress to equal advantage, it only being necessary to place the paper upon the platen, the same being adjusted automatically and securely held as against displacement.

I do not herein broadly claim any of the subject-matter covered by Letters Patent granted to me March 27, 1888, and numbered 380,240.

I claim as my invention 1. As an improvement in gripper-arms and feed-gages for platen-presses,the combination, with the gripper-arm, of the spring-actuated arm designed to enter a groove or recess of said gripper-arm, substantially as shown and described.

2. The combinationywith the gripper-arm provided with a groove or recess, of the springactuated arm and thecurved or bent springarm, substantially as shown and described, said arms being designed to enter said groove or recess when compressed, substantially as set forth.

3. As an improvementin gripper-arms and feed-gages, the gripperarm having a groove or recess in its front face and a short arm or projection, in combination with a plate adj ustable thereon and the arm having its springsecuring rod attached to the adjustable plate, substantially as shown and described.

4. As an improvement in. feed gages for platen-presses, the spring-actuated arm having an outer flanged end, and the spring-arm secured thereto, substantially as shown and described.

5. As an improvement in feedgages, the combination,with the gripping-arm, of the adjustable plate having a circular or rounded portion, the spring-rod passed therethrough, and the arm secured to one end of said springrod, substantially as shown and described.

6. The combination, with the gripper arm having the arm or projection, of the adjusta' ble plate secured to said arm or projection,tl1e nutted bolt, the spring-rod, and the rigid arm having a spring-arm secu red thereto, substantially as shown and described.

7. The herein -described combined gripperarm and feed-gage, comprising the gripperarm provided with a rubber facing, the short arm or projection, the adjustable plate, the spring-rod, the arm having an outer flanged end, and the spring-arm, in combination with the metallic plate secured to the platen, substantially as shown and described.

In testimony whereofI affix my signature in presence of two witnesses.

. FRANK A. BAGLEY.

Witnesses:

D. W. MONEAL, THos. H. WEsTcoTT.

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