US906673A - Driving mechanism for multicolor-printing presses. - Google Patents

Driving mechanism for multicolor-printing presses. Download PDF

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Publication number
US906673A
US906673A US41928608A US1908419286A US906673A US 906673 A US906673 A US 906673A US 41928608 A US41928608 A US 41928608A US 1908419286 A US1908419286 A US 1908419286A US 906673 A US906673 A US 906673A
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United States
Prior art keywords
gear
shaft
driving mechanism
multicolor
printing presses
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Expired - Lifetime
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US41928608A
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Elmer E Babcock
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CB Cottrell and Sons Co
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/02—Rotary letterpress machines for printing on sheets

Definitions

  • the object of this invention is to provide certain improvements in the construction, form and arrangement of the gearing of the driving mechanism of a multicolor printing press whereby a smooth and even movement of the plate and impression cylinders is produced, thus obtaining superior results in the finished product of the press owing to the absolute elimination of any drag of the cyl inders.
  • Figure 1 is a side elevation of so much of a multicolor printing press as will give a clear understanding of the application of this invention thereto.
  • Fig. 2 is an end view of the same at one side of the press, and 3 is a detail end view taken partially in section, to show more clearly the mounting of the gears on the impression cylinder shaft.
  • the multicolor printing press is herein shown as afour color press, the impression cylinder being denoted by 1 and the four plate cylinders by 2, 3, 4:, 5.
  • the side framing of the machine is denoted by 6 and forms a suitable support for the bearings of the several cylinder shafts.
  • a suitable sheet feeding table 7 is provided in position to feed the sheets to the press.
  • the shaft 8 of the impression cylinder 1 has a spur gear 9 keyed thereto and a spur gear 10 loosely mounted thereon.
  • the shafts 11, 12, 13, 14, of the plate cylinders 2, 3, 4:, 5, have fixed thereto spur gears 15, 16, 17, 18, which mesh with the spur gear 10 loosely mounted on the impression cylinder shaft 8.
  • One of the plate cylinder gears, in the present instance the gear 15 of the plate cylinder 2 is of sufficient width to mesh not only with the gear 10 loosely mounted on the impression cylinder shaft 8, but also with the gear 9 keyed to said shaft.
  • the gear 10 is driven from a spur gear 19 fixed to rotate with a shaft 20, which shaft is also provided with a spur gear 21 which Specification of Letters Patent.
  • the plate cylinders are provided with continuous bearers which may be brought into contact with'the continuous bearer on the impression cylinder and thus act to further assist in obtaining a uniform speed of the several cylinders.
  • the plate cylinder gears are all driven from the pulley shaft gear 22, through the gears 21, 19 and 10, while the impression cylinder gear 9 is driven from one of the plate cylinder gears. It has been found that this arrangement of gearing absolutely eliminates any tendency of the cylinders to drag or to drive unevenly.
  • a driving mechanism for multicolor printing presses comprising an impression cylinder gear, a loose gear, means for driving the loose gear, and plate cylinder gears driven by the loose gear, one of the said plate cylinder gears driving the impression cylinder gear.
  • driving mechanism for multicolor printing presses comprising a fixed gear and a loose gear on the impression cylinder shaft, means for driving the loose gear, and plate cylinder gears meshing with the loose gear, one of said plate cylinder gears also meshing with the said fixed gear on the impression cylinder shaft.
  • a driving mechanism for multicolor printing presses comprising a fixed gear and a loose gear on the impression cylinder shaft, a driving shaft, a gear thereon, an intermediate shaft having a gear meshing with the driving shaft gear and a gear meshing with the loose gear on the impression cylinder shaft and plate cylinder gears meshing with the said loose gear, one of said plate cylinder gears also meshing with the fixed gear on the impression cylinder shaft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Description

E. E; BABoocK.
DRIVING MECHANISM FOR MULTIGOLOR PRINTING PRESSES.
APPLICATION FILED MAR. 5, 1908.
Patented Dec. 15, 1908.
nus NaRRxs PETERS C0,, WASHINGTON, o c1 UNITED STATES PATENT oFFIoE.
ELMER E. BABCOCK, OF STONINGTON, CONNECTICUT, ASSIGNOR TO C. B. COTIRELL & SONS COMPANY, OF NEW YORK, Y., A CORPORATION OF NEW JERSEY.
DRIVING MECHANISM FOR MULTICOLOR-PRINTING PBESSES.
To all whom it may concern:
Be it known that I, ELMER E. BABCOCK, a citizen of the United States, and resident of Stonington, in the county of New London and State of Connecticut, have invented a new and useful Improvement in Driving Mechanism for Multicolor-Printing Presses, of which the following is a specification.
The object of this invention is to provide certain improvements in the construction, form and arrangement of the gearing of the driving mechanism of a multicolor printing press whereby a smooth and even movement of the plate and impression cylinders is produced, thus obtaining superior results in the finished product of the press owing to the absolute elimination of any drag of the cyl inders.
A practical embodiment of this invention is represented in the accompanying drawings in which Figure 1 is a side elevation of so much of a multicolor printing press as will give a clear understanding of the application of this invention thereto. Fig. 2 is an end view of the same at one side of the press, and 3 is a detail end view taken partially in section, to show more clearly the mounting of the gears on the impression cylinder shaft.
The multicolor printing press is herein shown as afour color press, the impression cylinder being denoted by 1 and the four plate cylinders by 2, 3, 4:, 5. The side framing of the machine is denoted by 6 and forms a suitable support for the bearings of the several cylinder shafts.
A suitable sheet feeding table 7 is provided in position to feed the sheets to the press.
The shaft 8 of the impression cylinder 1 has a spur gear 9 keyed thereto and a spur gear 10 loosely mounted thereon. The shafts 11, 12, 13, 14, of the plate cylinders 2, 3, 4:, 5, have fixed thereto spur gears 15, 16, 17, 18, which mesh with the spur gear 10 loosely mounted on the impression cylinder shaft 8. One of the plate cylinder gears, in the present instance the gear 15 of the plate cylinder 2, is of sufficient width to mesh not only with the gear 10 loosely mounted on the impression cylinder shaft 8, but also with the gear 9 keyed to said shaft.
The gear 10 is driven from a spur gear 19 fixed to rotate with a shaft 20, which shaft is also provided with a spur gear 21 which Specification of Letters Patent.
Application filed March 5, 1908.
Patented Dec. 15, 1908.
Serial No. 419,286.
meshes with a driving spur gear 22 of the pulley shaft 23, which shaft is driven from any suitable source of power, not shown herein.
The plate cylinders are provided with continuous bearers which may be brought into contact with'the continuous bearer on the impression cylinder and thus act to further assist in obtaining a uniform speed of the several cylinders.
From the above description it will be seen that the plate cylinder gears are all driven from the pulley shaft gear 22, through the gears 21, 19 and 10, while the impression cylinder gear 9 is driven from one of the plate cylinder gears. It has been found that this arrangement of gearing absolutely eliminates any tendency of the cylinders to drag or to drive unevenly.
I hat I claim is:
1. A driving mechanism for multicolor printing presses comprising an impression cylinder gear, a loose gear, means for driving the loose gear, and plate cylinder gears driven by the loose gear, one of the said plate cylinder gears driving the impression cylinder gear.
,A. driving mechanism for multicolor printing presses comprising a fixed gear and a loose gear on the impression cylinder shaft, means for driving the loose gear, and plate cylinder gears meshing with the loose gear, one of said plate cylinder gears also meshing with the said fixed gear on the impression cylinder shaft.
3. A driving mechanism for multicolor printing presses comprising a fixed gear and a loose gear on the impression cylinder shaft, a driving shaft, a gear thereon, an intermediate shaft having a gear meshing with the driving shaft gear and a gear meshing with the loose gear on the impression cylinder shaft and plate cylinder gears meshing with the said loose gear, one of said plate cylinder gears also meshing with the fixed gear on the impression cylinder shaft.
In testimony, that I claim the foregoing as my invention, I have signed my name in presence of two witnesses, this twenty fourth day of February A. D. 1908.
ELMER E. BABCOCK.
Witnesses:
A. R. STILLMAN, Gr. BURDIOK.
US41928608A 1908-03-05 1908-03-05 Driving mechanism for multicolor-printing presses. Expired - Lifetime US906673A (en)

Priority Applications (1)

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US41928608A US906673A (en) 1908-03-05 1908-03-05 Driving mechanism for multicolor-printing presses.

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US41928608A US906673A (en) 1908-03-05 1908-03-05 Driving mechanism for multicolor-printing presses.

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