US1997140A - Feed roller starter and brake for cylinder printing type presses - Google Patents

Description

April 9, 1935. GARFAT 1,997,140

FEED ROLLER STARTER ANDv BRAKE FOR CYLINDER PRINTING TYPE PRESSES Filed Sept. 14, 1934 2 Sheets-Sheet l April 9, 1935. G M, A 1,997,140

FEED ROLLER STARTER AND BRAKE FOR CYLINDER PRINTING TYPE PRESSES Filed Sept. 14, 1934 2 Sheets-Sheet 2 fiz/venfior: George M. Gajfir LJQ Patented Apr'.9,1935 I a ,p

FEED ROLLER STARTER AND BRAKE FOR CYLINDER PRINTING TYPE PRESSES George Mark Garfat, Hamilton, Ontario, Canada Application September 14, 1934, Serial No. 744,051

5 Claims. (01. 101-344) The object of my invention is to provide an im- 32. Rod 21 is loosely mounted in the forward proved feed roller starter and brake for Miehle end of arm 33, as shown. or other cylinder printing type presses so con- In operation, the face of leather strip I 9, opstructed as to eliminate the common fault of unposite block !3, resiliently abuts against the re- 5 equal color distribution to the ink plate, and which. duced end 6 of inking or ductor roller 5 to func- 5 permits of convenient control of the feed roller. tion as a brake, and by adjustment of thumb nut I attain these 'and'other objects of my invention 30 the braking action may be easily and quickly by the mechanism illustrated in the accompanyadjusted. The device eliminates the common ing drawings, in which I fault of unequal color distribution to the ink Figure l is a side elevation of my invention applate 4. By maintaining a steady pressure of the ,0 plied to a cylinder printing type press; brake on the end of the feed roller, the'latter Fig. 2- is atop plan view of same; i can be made to stop'in any desired spot on the Fig. 3 is a side elevation of the invention defountain roller, thereby assuring equaldistriblltached from the printing type press,- and with a tion of color to the plate 4. Steady pressure is 5 portion broken away and shown in section; and maintained on the feed roller by the leather strip 1,7,

Fig. 4 is a front view of the invention. [9 by means of the springs 24 which press against Like numerals designate like parts in each of the metal plate 5 b of the leather Strip and the views. spaced from the face of the block l3. Steel plate Referring to the accompanying drawings, there 29 is p in position by the guide p the is illustrated the main frame of a Miehle type heads Of which engage By Operating t b 20 printing press, having an ink fountain 2, i hi h nut 35 tension on leather strip 9 may be increased is mounted a feed roller 3, The press h r or decreased, to control the roller 5 and make it ciprocating ink-distributing table 4, over which top n' t roller 3 i a m positi s as the inking or ductor' roller 5 travels. Roller 5 d s 7 25 has a reduced end (or ends) 6, which is mounted What I claim is:

on the arm 1, which in turn is operatively con- 1. In a device of the type described, the comnected with actuating rod I3. Membert is a bination of a bracket terminating in a block, said shaft or frame member on which bracket It is bracket also havinga forwardly extending arm pivotally mounted. Members 9 are rollers for disposed below the block, a strip of leathersespreading ink on the table 4. The bracket it! is cured to the upper end of the block, a rod slidably 30 provided with a depending arm ll, having the mounted in the aforesaid arm'of the bracket aperture l2, and with the forwardly extending and to which rod the lower end of the aforesaid arm 33. Aperture i2 is for the pivot 12. Bracket strip of leather i S u d, m ans f anua y- IO terminates in the block l3. adjusting therod to increase or decrease tension In block I3 I provide channels M for the guide on he Strip of leather, a metal P a 011 the 35 pins 22. The channels it have enlarged portions underside of the leather p pp face IS, in which coil springs 24 are seated. On the 0f the block, and means p rat v y n a i upper end of block I3 is mounted asuitable short Saidmetal plate resiliently pa Same f m strip 16, on which in turn is mounted the upper the face of block- 40 end I! of the leather strip l9, secured to the block In a device of e type described the 40 by boltl8. Under leather strip I9 is ametal plate nation of a bracket, a strip of flexible material 25 and members 2 which abut theouter ends such as leather secured to the upper end of said of the coil springs 24 Seated in'chambers* 5 bracket, a rod slidably mounted in a' lower poras shown in Fig 3 1 provide t 23 on t tion of the bracket and to the upper end of which threaded ends of pins 22 for adjusting the di rod the lower end of the aforesaid strip of leathertance of plate 20 and leather strip I9 from the is affiXed, means r nual y adjusting the rod face of bl k 13 i 22 h h d 25 engaging to increase or decrease tension on the aforesaid the steel plate 20, as shown in dotted lines in strip, a metal plate On t underside f a p r- As shown in Figs. 3 and 4, leather strip I9 is engaging said plate and pressing resiliently secured by rivets 28 to the flat upper end 26 of against same to space same from the face of the rod 21. Rod'Z'I has its lower end 29 threaded block. T V for a thumb nut 30. I provide a coil spring 3| 3. In combination with the mechanism defined encircling end 29 and disposed between washers in claim 2, means for adjusting the means engag- 55 Fig 3, tion of the leather strip, and means operatively t in claim 1, means for retaining the metal plate and strip of leather in proper position on the bracket. 7

5. In a device of the type described, the combination of a bracket mountable on a printing press,

said bracket terminating in a block, and having a spaced lower forwardly extending apertured arm, a rod slidably mounted in said arm, said rod having a threaded lower end, a thumb nut on.

said end, a spring interposed between the thumb nut and the aforesaid arm of the bracket, 9. leather strip ailixed to the rod at the lower end of the strip, and to the bracket at the upper end of the strip, a metal plate on the underside of the leather strip and spaced from the bracket, means for-retaining the strip in place relative to the bracket, said means including guide pins slidably mounted in the bracket, and springs mounted in the bracket and bearing against the 0 metal plate.

GEORGE MARK GARFAT.

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