US983698A - Printing-press. - Google Patents

Printing-press. Download PDF

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Publication number
US983698A
US983698A US50815709A US1909508157A US983698A US 983698 A US983698 A US 983698A US 50815709 A US50815709 A US 50815709A US 1909508157 A US1909508157 A US 1909508157A US 983698 A US983698 A US 983698A
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United States
Prior art keywords
press
printing
cylinder
impression cylinder
cams
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Expired - Lifetime
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US50815709A
Inventor
George P Fenner
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Individual
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Priority to US50815709A priority Critical patent/US983698A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F3/00—Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed
    • B41F3/02—Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed with impression cylinder or cylinders rotating unidirectionally

Definitions

  • This invention relates to a printing press and the object of the invention is to accom plish the raising of the impression cylinder steadily from the time it starts until it is fully lifted. The time consumed in lifting is such that the tail of the sheet which has been printed has passed out from under the feed guide before the cylinder is clear up.
  • Figure l is a side elevation of a printing press embodying my invention.
  • Fig. 2 is a plan View of Fig. 1, the impression cylinder and type bed having been removed.
  • Fig. 3 is a side elevation showing parts in difierent position than in Fig. 1.
  • Fig. 4 is a like view showing parts in different position than in Fig. 3.
  • the impression cylinder is indicated at b and the type bed at c.
  • the sheets coming ofi the feed board (Z) are taken by the grippers e and carried about by the cylinder to the type bed.
  • the shaft of the cylinder Z) is shown at f and is mounted in an eccentric sleeve 9 from Which extends arm it connected with rod 71.
  • This rod 2' is actuated by lever is fulcrumed at m and engaged by a reciprocating connection it provided with two antifriction disks 0.
  • cams p, g are mounted on shaft 4, the gears s of which mesh by gears 25 and a with gears on the impression cylinder so as to receive motion therefrom.
  • cams p, g are rotated the Specification of Letters Patent.
  • connection a is reciprocated to oscillate the lever 70 and causes the lifting rod and connection i to swing the arm with eccentric sleeve 9 to raise or lower the cylinder 5.
  • a double cam face is provided by the two cams p and g acting respectively on the roller 0 provided for each face.
  • the arrangement before set forth gives an easy upward and downward movement continuous from the start to the finish.
  • a reciprocatory type bed In a press, the combination of a reciprocatory type bed, an impression cylinder, eccentric sleeves supporting said cylinder and having operating arms connected thereto, gearing for operating the impression cylinder, a countershaft operatively connected to said gearing and equipped with two pairs of cams arranged toward the opposite sides of the press, and apair of reciprocatory members connected to the operating arms of the respective sleeves of the impression cylinder, each member having a pair of laterally offset rollers cooperative with the respective cams of each pair whereby steady rising and falling motion is imparted to both sides of the impression cylinder.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Description

G. P. FENNER.
PRINTING PRESS. APPLICATION TILED JUL: 1751909.
Patented Feb. 7, 1911.
' a sums-21mm 1.
(3 W00 Wimp 6760738 Fflnner e11;
Mom Vila THE uonms PETERS cu, wnsmmrmu, 1:. c4
G. P. FENNER.
PRINTING PRESS.
APPLICATION 1111.211 JULY 11. 1909.
983,698. Patented Feb. 7, 1911.
3 SHEETS-SHEET 2.
wmm; I 5 mm wtoz George Fmmr I "32 Z attozw MM W 2 %41 1n: NORRIS PETERS ca., wAsunycrON. 17. p,
G. P. PENNER. PRINTING PRESS. APPLICATION FILED JULY 17, 1909.
Patented Feb. 7, 1911.
3 SHEETS-813115111 3.
' GEORGE P. FENNER, OF NEW LONDON, CONNECTICUT.
PRINTING-PRESS.
To all whom it may concern:
Be it known that I, GEORGE P. FENNER, a citizen of the United States, residing at New London, county of New London, and State of Connecticut, have invented new and useful Improvements in Printing-Presses, of which the following is a specification.
This invention relates to a printing press and the object of the invention is to accom plish the raising of the impression cylinder steadily from the time it starts until it is fully lifted. The time consumed in lifting is such that the tail of the sheet which has been printed has passed out from under the feed guide before the cylinder is clear up. This object is accomplished by the arrangement of mechanism set forth in the following specification and claim and illustrated in the annexed drawing in which Figure l is a side elevation of a printing press embodying my invention. Fig. 2 is a plan View of Fig. 1, the impression cylinder and type bed having been removed. Fig. 3 is a side elevation showing parts in difierent position than in Fig. 1. Fig. 4 is a like view showing parts in different position than in Fig. 3.
In this drawing the letter a indicates the base or supporting frame.
The impression cylinder is indicated at b and the type bed at c. The sheets coming ofi the feed board (Z are taken by the grippers e and carried about by the cylinder to the type bed.
The shaft of the cylinder Z) is shown at f and is mounted in an eccentric sleeve 9 from Which extends arm it connected with rod 71. This rod 2' is actuated by lever is fulcrumed at m and engaged by a reciprocating connection it provided with two antifriction disks 0. Between these disks 0 are mounted cams p, g on shaft 4, the gears s of which mesh by gears 25 and a with gears on the impression cylinder so as to receive motion therefrom. As the cams p, g are rotated the Specification of Letters Patent.
Application filed July 17, 1909.
mated Feb. 7, 1911.
Serial No. 508,157.
connection a is reciprocated to oscillate the lever 70 and causes the lifting rod and connection i to swing the arm with eccentric sleeve 9 to raise or lower the cylinder 5.
As seen a double cam face is provided by the two cams p and g acting respectively on the roller 0 provided for each face.
The arrangement before set forth gives an easy upward and downward movement continuous from the start to the finish.
The drawing shows a complete cam lifting mechanism for each side of the press that is, two such mechanisms but only one is necessary. Shaft m is oscillated by the cams on the opposite sides of the press from the gears. This makes it unnecessary to have the same cam mechanism with connections n on the side of the press next to the gears. All such and similar modifications are included in the scope of this invention.
I claim:
In a press, the combination of a reciprocatory type bed, an impression cylinder, eccentric sleeves supporting said cylinder and having operating arms connected thereto, gearing for operating the impression cylinder, a countershaft operatively connected to said gearing and equipped with two pairs of cams arranged toward the opposite sides of the press, and apair of reciprocatory members connected to the operating arms of the respective sleeves of the impression cylinder, each member having a pair of laterally offset rollers cooperative with the respective cams of each pair whereby steady rising and falling motion is imparted to both sides of the impression cylinder.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
GEORGE P. FENNER.
Witnesses:
E. L. HUDSON, W. D. WELLS.
US50815709A 1909-07-17 1909-07-17 Printing-press. Expired - Lifetime US983698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US50815709A US983698A (en) 1909-07-17 1909-07-17 Printing-press.

Applications Claiming Priority (1)

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US50815709A US983698A (en) 1909-07-17 1909-07-17 Printing-press.

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US983698A true US983698A (en) 1911-02-07

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