US1252069A - Device for driving the impression-cylinders of printing-machines. - Google Patents
Device for driving the impression-cylinders of printing-machines. Download PDFInfo
- Publication number
- US1252069A US1252069A US9350716A US9350716A US1252069A US 1252069 A US1252069 A US 1252069A US 9350716 A US9350716 A US 9350716A US 9350716 A US9350716 A US 9350716A US 1252069 A US1252069 A US 1252069A
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- United States
- Prior art keywords
- impression
- cylinder
- printing
- driving
- cylinders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
- My invention relates to a device to be used on printing machines for enabling the toothed parts connecting the form and impression cylinder to be kept in engagement with each other even when the impression cylinder has been moved radially away from the form.
- Figure l is an end View of the impression cylinder together with its bearing and a part of the frame of the machine
- Fig. 2 shows a vertical section of the parts.
- Both ends of the shaft (1 of the impression cylinder Z) are journaled in an eccentrically bored sleeve 0, which is adapted to be turned through a certain angle by the arm (Z and rod 6 from any suitable point of the machine.
- the impression cylinder 6 will bear against the form passing underneath it, while if said arm (Z is pulled down by the rod 6 the sleeve 0 will be turned, and by changing its position will raise the shaft a and cylinder 6. As a consequence this cylinder will not bear against the form during its return stroke.
- the spur-wheel f is not fastened on the shaft a, but turns loosely on the hub h, cast in one piece with the frame 2' of the machine, and it is connected with the impression cylinder Z) by a pin 76 passing through a block Z adapted to slide in the groove m in said gear.
- This sliding connection enables the cylinder to be raised and lowered in regard to the spurwheel 7 without the driving relation of these parts being interfered with, so that the impression cylinder, in both the raised and lowered position, continues to be oscillated backward and forward by the reciprocating rack 9.
- a printing machine comprising in combination an impression cylinder, ecoentrically bore-d sleeves in which said cylinder is j ournaled, frames carrying said sleeves, means to turn said sleeves in said frame to raise and lower said impression cylinder, a hub on one of said frames directed toward said cylinder, a spur-wheel supported on said hub close against the end of said cylinder and concentric to said impression cylinder during the printing period, a toothed element adapted to rotate said spur-wheel and always remaining in engagement with said spur-wheel, and a radially sliding connection 'betweensaid spur-wheel and cylinder adapted to transfer the rotary motion of said spur-wheel to said cylinder and to simultaneously permit said spur-wheel and cylinder to turn about axes eccentric to each other, substantially as, and for the purpose, set forth.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Description
C. WINKLER.
DEVICE FOR DRIVING THE IMPRESSION CYLINDERS 0F PRINTING MACHINE.
APPLICATION FILED APR.25 1916- Patented J STA S ATENT OFFICE.
CARL WINKLEB, OF BERNE, SWITZERLAND.
DEVICE FOR DRIVING THE IMPRESSION- CYLINDERS OF PRINTING-MACHINES.
Application filed April 25, 1916.
1 b all whom it may concern:
Be it known that I, CARL VVINKLER, a c tlzen of the Swiss Republic, residing at Borne,
in the Swiss Republic, have invented a new and useful Improved Device for Driving the Impression-Cylinders of Printing-Machines, of which the following is a specification.
My invention relates to a device to be used on printing machines for enabling the toothed parts connecting the form and impression cylinder to be kept in engagement with each other even when the impression cylinder has been moved radially away from the form.
On the accompanying drawing one con struction of the device is shown by way of example in connection with a printing machine having a reciprocating type-carriage and an oscillating cylinder.
Figure l is an end View of the impression cylinder together with its bearing and a part of the frame of the machine,
Fig. 2 shows a vertical section of the parts.
Both ends of the shaft (1 of the impression cylinder Z) are journaled in an eccentrically bored sleeve 0, which is adapted to be turned through a certain angle by the arm (Z and rod 6 from any suitable point of the machine. In the end position of the arms (Z and sleeves 0 shown in both figures of the drawing the impression cylinder 6 will bear against the form passing underneath it, while if said arm (Z is pulled down by the rod 6 the sleeve 0 will be turned, and by changing its position will raise the shaft a and cylinder 6. As a consequence this cylinder will not bear against the form during its return stroke.
7' is the spur-wheel by which the impression cylinder 6 is driven. This spur-wheel engages in the toothed rack g which is reciprocated backward and forward with the form, and, according to my invention, these parts f and g are to be kept in engagement not only during the forward motion of the form, but also when the form returns and the impression cylinder Z; is raised.
Specification of Letters Patent.
Patented Jan. 1, 1918.
Serial No. 93,507.
WVith this object in view the spur-wheel f is not fastened on the shaft a, but turns loosely on the hub h, cast in one piece with the frame 2' of the machine, and it is connected with the impression cylinder Z) by a pin 76 passing through a block Z adapted to slide in the groove m in said gear. This sliding connection enables the cylinder to be raised and lowered in regard to the spurwheel 7 without the driving relation of these parts being interfered with, so that the impression cylinder, in both the raised and lowered position, continues to be oscillated backward and forward by the reciprocating rack 9.
hat I claim and desire to secure by Let ters Patent of the United States is A printing machine comprising in combination an impression cylinder, ecoentrically bore-d sleeves in which said cylinder is j ournaled, frames carrying said sleeves, means to turn said sleeves in said frame to raise and lower said impression cylinder, a hub on one of said frames directed toward said cylinder, a spur-wheel supported on said hub close against the end of said cylinder and concentric to said impression cylinder during the printing period, a toothed element adapted to rotate said spur-wheel and always remaining in engagement with said spur-wheel, and a radially sliding connection 'betweensaid spur-wheel and cylinder adapted to transfer the rotary motion of said spur-wheel to said cylinder and to simultaneously permit said spur-wheel and cylinder to turn about axes eccentric to each other, substantially as, and for the purpose, set forth.
In testimony whereof I have signedmy name to this specification in the presence of two subscribing witnesses.
CARL WINKLER.
Witnesses:
MAX BAEHR, H. J. STEHLIN.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, G.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9350716A US1252069A (en) | 1916-04-25 | 1916-04-25 | Device for driving the impression-cylinders of printing-machines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9350716A US1252069A (en) | 1916-04-25 | 1916-04-25 | Device for driving the impression-cylinders of printing-machines. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1252069A true US1252069A (en) | 1918-01-01 |
Family
ID=3319794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US9350716A Expired - Lifetime US1252069A (en) | 1916-04-25 | 1916-04-25 | Device for driving the impression-cylinders of printing-machines. |
Country Status (1)
Country | Link |
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US (1) | US1252069A (en) |
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1916
- 1916-04-25 US US9350716A patent/US1252069A/en not_active Expired - Lifetime
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