US3769910A - Movably positionable cylinder arrangement for indirect printing presses - Google Patents

Movably positionable cylinder arrangement for indirect printing presses Download PDF

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Publication number
US3769910A
US3769910A US00234269A US3769910DA US3769910A US 3769910 A US3769910 A US 3769910A US 00234269 A US00234269 A US 00234269A US 3769910D A US3769910D A US 3769910DA US 3769910 A US3769910 A US 3769910A
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United States
Prior art keywords
cylinder
machine frame
pair
side plates
printing
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Expired - Lifetime
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US00234269A
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English (en)
Inventor
P Heimlicher
H Streit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfab Winkler Fallert & Co Ag ch
Winkler Fallert and Co AG Maschinenfabrik
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Winkler Fallert and Co AG Maschinenfabrik
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Application filed by Winkler Fallert and Co AG Maschinenfabrik filed Critical Winkler Fallert and Co AG Maschinenfabrik
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Publication of US3769910A publication Critical patent/US3769910A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/28—Bearings mounted eccentrically of the cylinder axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/025—Multicolour printing or perfecting on sheets or on one or more webs, in one printing unit

Definitions

  • ABSTRACT A cylinder arrangement for offset and similar printing presses which permits printing on one or both sides.
  • a rubber cylinder is rotatably supported at its ends in ec centric bushings and the bushings are rotatably mounted within pivotally displaceable side plates. By pivoting the side plates, the rubber cylinder can be p0- sitioned for printing on one or both sides.
  • the eccentric bushings can be rotated for moving the rubber cylinder between an operative and an inoperative position when the rubber cylinder is arranged for printing on one or on both sides.
  • the present invention is directed to a cylinder arrangement for offset presses and similar equipment for indirect printing and, more particularly, it is directed to an arrangement in which a cylinder can be movably positioned for printing on one or both sides.
  • Another object of the present invention is to provide a support arrangement for the rubber cylinders which permits accurate adjustment'of the cylinders in the operative positions.
  • Another object of the invention is to correlate the operation of the side plates supporting the rubber cylinder to assure accurate positioning of each end of the cylinder.
  • Still another object of the present invention is to provide a cylinder support arrangement in which repositioning of the rubber cylinders can be easily and quickly accomplished.
  • side plates are arranged for supporting the rubber cylinder and each side plate is provided with lugs arranged to seat against stop members on the machine frame for selectively positioning the rubber cylinders for printing on one or on both sides.
  • means are provided to assure that each of the lugs on the side plates adequately bears against a corresponding stop member on the machine frame.
  • FIG. 1 is an end view of a cylinder arrangement for printing on one side
  • FIG. 2 is a view similar to FIG. 1, however, illustrating the cylinder arrangement for printing on both sides;
  • FIG. 3 is a partial plan view, partly in section, of the cylinder arrangement shown in FIGS. 1 and 2;
  • FIG. 4 is a plan view, partly in section, of a shifting device for the cylinder arrangement in the position for printing on both sides;
  • FIG. 5 is a view similar to FIG. 4 with the shifting device arranged for printing on one side;
  • FIG. 6 is a diagrammtic view of the cylinder arrangement illustrating the relative positions of the cylinders
  • FIG. 7 is a partial sectional view of the shifting device shown in FIGS. 4 and 5 illustrating the coupling connecting the shafts;
  • FIG. 8 is a plan view, partly in section, of a portion of the coupling shown in FIG. 7.
  • FIG. 1 a plate or type cylinder 1, a rubber cylinder 2, and an impression cylinder 3 are arranged to cooperate for printing on one side.
  • the rubber cylinder 2 is supported at each end by a side plate 4 and is driven by a gear train 5, see FIG. 3.
  • the side plates 4 are pivotally displaceable about the axis of the type cylinder 1 and are positioned by means of a shifting device 6.
  • the shifting device is formed of worm drives 7 and 8 each operatively intermeshed with a worm gear 9,10, respectively.
  • Each of the worm gears 9,10 is mounted on a threaded spindle 11 which moves in its axial direction and each spindle is pin'connecte d at one end to a link 12, and the link, in turn, is pin-connected to one of the side plates 4.
  • each of the side plates 4 Positioned within each of the side plates 4 is an eccentirc bushing 13 which rotatab ly mounts one end of the rubber cylinder 2.
  • the rubber cylinder is arranged for printing on one side and in this position it is displaceable between an operative position A and an inoperative position B.
  • a cam 14 which extends outwardly from the periphery of the bushing 13, contacts a stop 15 while in the inoperative position the bushing is angularly displaceable in the clockwise direction, as viewed in FIG. 1, with the cam moving into contact with the stop 17.
  • the stop 15 is displaceably positionable.
  • a piston cylinder assembly 16 is provided for displacing the rubber cylinder 2 between its operative and inoperative positions.
  • FIG. 2 the rubber cylinder 2 is shown moved into position for printing on both sides.
  • a lug 18 is situated at one corner of the end edge of the side plate remote from the plate cylinder 1 and contacts a corresponding stop 19 formed on a machine frame 30.
  • the spindles 11, secured by the links 12 to the side plates 4 pivot the side plates around the axis of the plate cylinder l in a clockwise direction, as viewed in FIGS. 1 and 2 with the lug 18 moving into spaced relationship from the stop 19 and a similar lug 20 at the opposite corner of the side plate moving into contacting engagement with a stop 21 on the machine frame.
  • the worm drive 7 is mounted on shaft 22 and the worm drive 8 is mounted on shaft 23 and two shafts are secured in axial alignemnt by means of an adjustable friction-cone clutch or coupling 40.
  • the worm drives 7 and 8 are axially displaceable along the respective shafts 22 and 23.
  • Springs 24,25 are disposed about the shafts 22,23 and cooperate with the worm drives 7,8, respectively.
  • Each of the worm drives 7,8 and its cooperating spring 24,25 are located within an opening or recess 30a on the corresponding side of the machine frame 30.
  • Each of the recesses 30a is closed by a cap 30b and the springs seat against the caps.
  • the worm drives 7,8, the worm gears 9,10, and the spindles 11 are engaged to provide the desired displacement of the spindles in moving the cylinder 2 between its two different printing positions.
  • the worm drives are axially movable between the shoulders 26,27, formed on the shafts 22,23, and the surface of the caps 30b, which close off the opposite ends of the recesses from the locations of the shoulders 26,27.
  • FIG. 4 the rotation of the worm gears 9,10 by the worm drives 7,8 is shown for moving the cylinder 2 into the position shown in FIG. 2 (lugs 20 contacting stops 21), while in FIG. the rotation of the worm gears by the worm drives is shown for moving the cylinder 2 into the position shown in FIG. 1 (lugs 18 contacting stops 19).
  • the remaining adjustment is provided through the medium of the friction-cone coupling 40, see FIGS. 7 and 8, which consists of two coupling halves 42,44.
  • the coupling half 42 is rigidly connected with the shaft 22 by a key 16, washer 48 and a screw 50.
  • the other coupling half 44 is axially movable on the shaft 23 by means of a spline 52.
  • Diametrically opposed slots 56 are formed in the coupling half 44. Screws 58 are provided for securing the coupling halves together, one screw is positioned in each of the slots, and is secured in the coupling half 42 attached to the shaft 22.
  • Coupling half 42 has an outwardly facing conical surface while coupling half 44 has an inwardly facing conical surface and these surfaces are in contact when the screws are tightened.
  • the screws 58 are loosened and the shaft 23 is axially adjusted to provide proper contact between both of the lugs 20 and the stops 21 when the worm drives 7,8 move from the position in FIG. 5 to that in FIG. 4.
  • the rotation of the shafts 22,23 can be maintained until the corresponding lugs 18 are properly seated against the stops 19.
  • the distances x,y of the worm drives 7,8 from their respective shoulders 26,27 are unequal.
  • the piston cylinder assembly 16 illustrated in dot-dash lines in each of FIGS. 1 and 2, is employed for displacing the rubber cylinder 2 between its operative and its inoperative positions when it is located for printing on one side or on both sides.
  • the piston cylinder assembly 16 is secured to the side plate 4 by means of a support arm 28 and at the other end the piston is connected to a lever 29 secured to the eccentric bushing 13.
  • the rubber cylinder is arranged for printing on one side, it is displaceable between the stop 15 secured to the side plate 4 and the stop 17 attached to the main frame 30 of the press.
  • a second cam 31 is located on the periphery of the eccentric bushing 13 and is angularly movable between a stop 33 located on the side plate, similar to the stop 15, and another stop 32, secured to the machine frame 30, and similar to the stop 17.
  • the rubber cylinder 2 is rotated by means of the piston cylinder assembly 16, it is angularly displaceable between the stop 33 which locates it in the operative position and the stop 32 which locates it in the inoperative position.
  • the piston cylinder assembly 16 maybe arranged in operative connection with one or both of the side plates 4.
  • a shaft 34 extends between the two side plates.
  • segments 35 having gear teeth formed in their arcuate periphery and the gear teeth are arranged in meshed engagement with similar teeth formed in an arcuate section 36 secured to the periphery of the eccentric bushing 13. As the bushings rotate, the segments 35 and sections 36 afford proper correlation of their movement.
  • the axis of rotation of the eccentric bushings 13 occupy two positions E,F for printing on one or both sides, respectively.
  • the rubber cylinder has two positions, A and D when the rubber cylinder is in its operative position, and B and C when the cylinder has been rotated to its inoperative position.
  • a cylinder arrangement for an offset press and for similar presses for printing on one or both sides comprises a machine frame, a plate cylinder mounted on said machine frame, a pair of laterally spaced side plates pivotally positionable about the axis of said plate cylinder, an eccentric bushing rotatably positioned in each of said side plates, a rubber cylinder rotatably mounted at its opposite ends within said eccentric bushings, means secured to said side plates and to said eccentric bushings associated therewith for rotating said eccentric bushings and moving said rubber cylinder between an operative position in contact with said plate cylinder and an inoperative position spaced from said plate cylinder, meansfor limiting the movement of said rubber cylinder between its operative and inoperative positions, a pair of spaced stops formed on said machine frame, a pair of spaced lugs formed on each of said side plateswith each of said lugs arranged to engage one of said stops on said machine frame, a shifting device mounted on said machine frame and articulated to said side plates for selectively displacing said lugs into
  • a cylinder arrangement as set forth in claim 1, characterized therein by a shoulder formed on each of said shafts and each of said shoulders located in a different one of the openings in said machine frame containing said worm drives, and means positioned within each of the openings in said machine frame for biasing said worm drive against said shoulder therein.
  • a cylinder arrangement as set forth in claim 1, characterized in that said means for moving said rubber cylinder between an operative position and an inoperative position comprises a piston cylinder assembly secured to at least one of said side plates, a lever secured to said eccentric bushing positioned within said one of said side plates to which said piston assembly is secured, said piston assembly comprising a cylinder, a piston axially movable within said cylinder and said piston attached at its end remote from said cylinder to said lever for rotating said eccentric bushing within said side plate.
  • a cylinder arrangement as set forth in claim 1, characterized in that said means for limiting the movement of said rubber cylinder between its operative position and inoperative position comprises a first cam and a second cam disposed in angularly spaced arrangement on the outer periphery of said eccentric bushing, two pair of angularly spaced stop members being arranged with one pair for each of said first cam and said second cam, in each pair of said stop members one of the stop members being mounted on said side plate and the other said stop member being mounted on said machine frame whereby as said means for moving said rubber cylinder rotates it into the position for printing on one side said first cam is angularly displaceable between one said pair of stop members and said second cam is displaced from engagement with the other said pair of stop members and when said rubber cylinder is in the position for printing on both sides said second cam is angularly displaceable between the other said pair of stop members while said first cam is displaced so that it does not contact the one said pair of stop members.
  • a cylinder arrangement as set forth in claim 1, characterized therein by means being arranged to interconnect said side plates for correlating the angular dis placement of said eccentric bushings between the 0perative and inoperative positions, said means interconnecting said side plates comprise an arcuate section being secured to the periphery of each said eccentric bushing and said arcuate section having gear teeth formed therein, an arcuate segment having gear teeth formed therein being in meshed engagement with said arcuate section, and a shaft secured to and extending between said arcuate segments for correlating the angular movement of said eccentric bushings located at the opposite ends of said rubber cylinder.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
US00234269A 1968-09-02 1972-03-12 Movably positionable cylinder arrangement for indirect printing presses Expired - Lifetime US3769910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11790/68A SE339482B (enrdf_load_stackoverflow) 1968-09-02 1968-09-02

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US3769910A true US3769910A (en) 1973-11-06

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US00234269A Expired - Lifetime US3769910A (en) 1968-09-02 1972-03-12 Movably positionable cylinder arrangement for indirect printing presses

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US (1) US3769910A (enrdf_load_stackoverflow)
CH (1) CH492552A (enrdf_load_stackoverflow)
DE (1) DE1942398A1 (enrdf_load_stackoverflow)
FR (1) FR2017198B1 (enrdf_load_stackoverflow)
GB (1) GB1254076A (enrdf_load_stackoverflow)
SE (1) SE339482B (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137844A (en) * 1976-12-09 1979-02-06 Paulson Harold E Perfector printer press
US4186662A (en) * 1977-08-22 1980-02-05 A. B. Dick Company Duplexing copying system
US4202266A (en) * 1977-12-07 1980-05-13 A. B. Dick Company Staging mechanism for duplexing copy machines
US4204472A (en) * 1977-08-22 1980-05-27 A. B. Dick Company Duplexing copying system
US4217823A (en) * 1977-06-03 1980-08-19 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft (M.A.N.) Drive arrangement for a changeable satellite printing mechanism
US4246849A (en) * 1977-10-04 1981-01-27 Pullman Incorporated Partitioned railway hopper car
US4369705A (en) * 1980-09-24 1983-01-25 Harris Corporation Printing press
US5311817A (en) * 1991-05-15 1994-05-17 Komori Corporation Printing pressure adjusting apparatus of printing cylinders
WO1997015439A1 (en) * 1995-10-23 1997-05-01 Lawrence Paper Company Box blank printer/slotter apparatus
US5778781A (en) * 1997-04-04 1998-07-14 F. L. Smithe Machine Company, Inc. Method and apparatus for printing on opposite sides of a web
FR2758373A1 (fr) * 1997-01-15 1998-07-17 Skf Gmbh Roulement a excentrique avec levier de reglage, en particulier pour cylindre d'impression
WO1998053995A1 (de) * 1997-05-28 1998-12-03 Koenig & Bauer Aktiengesellschaft Antrieb für einen zylinder einer rotationsdruckmaschine
US6557473B2 (en) * 1998-10-28 2003-05-06 Heidelberger Druckmaschinen Ag Method for operating a printing machine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1590742A (en) * 1923-07-12 1926-06-29 Linotype Machinery Ltd Rotary web offset printing machine
US2953090A (en) * 1958-03-31 1960-09-20 Wood Newspaper Mach Corp Tension lock-up device
US3041966A (en) * 1959-09-24 1962-07-03 Hoe & Co R Multicolor web offset press
US3099956A (en) * 1961-08-29 1963-08-06 Armstrong Cork Co Rotary offset gravure printing press
US3131631A (en) * 1962-01-08 1964-05-05 Inta Roto Machine Company Inc Impression roll support and control means
US3190218A (en) * 1962-08-24 1965-06-22 Kidder Press Company Inc Adjustable plate cylinder mounting for printing presses
US3259060A (en) * 1963-12-23 1966-07-05 Stevens Corp Offset rotary printing press
US3329086A (en) * 1966-06-14 1967-07-04 Miehle Goss Dexter Inc Perfecting or multicolor offset printing press
US3404626A (en) * 1965-05-12 1968-10-08 Bemis Co Inc Rotary priniting press
US3486444A (en) * 1966-05-05 1969-12-30 William F Huck Multi-color rotary printing press
US3527165A (en) * 1967-01-03 1970-09-08 Harris Intertype Corp Cylinder throw mechanism for printing presses

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1590742A (en) * 1923-07-12 1926-06-29 Linotype Machinery Ltd Rotary web offset printing machine
US2953090A (en) * 1958-03-31 1960-09-20 Wood Newspaper Mach Corp Tension lock-up device
US3041966A (en) * 1959-09-24 1962-07-03 Hoe & Co R Multicolor web offset press
US3099956A (en) * 1961-08-29 1963-08-06 Armstrong Cork Co Rotary offset gravure printing press
US3131631A (en) * 1962-01-08 1964-05-05 Inta Roto Machine Company Inc Impression roll support and control means
US3190218A (en) * 1962-08-24 1965-06-22 Kidder Press Company Inc Adjustable plate cylinder mounting for printing presses
US3259060A (en) * 1963-12-23 1966-07-05 Stevens Corp Offset rotary printing press
US3404626A (en) * 1965-05-12 1968-10-08 Bemis Co Inc Rotary priniting press
US3486444A (en) * 1966-05-05 1969-12-30 William F Huck Multi-color rotary printing press
US3329086A (en) * 1966-06-14 1967-07-04 Miehle Goss Dexter Inc Perfecting or multicolor offset printing press
US3527165A (en) * 1967-01-03 1970-09-08 Harris Intertype Corp Cylinder throw mechanism for printing presses

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137844A (en) * 1976-12-09 1979-02-06 Paulson Harold E Perfector printer press
US4217823A (en) * 1977-06-03 1980-08-19 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft (M.A.N.) Drive arrangement for a changeable satellite printing mechanism
US4186662A (en) * 1977-08-22 1980-02-05 A. B. Dick Company Duplexing copying system
US4204472A (en) * 1977-08-22 1980-05-27 A. B. Dick Company Duplexing copying system
US4246849A (en) * 1977-10-04 1981-01-27 Pullman Incorporated Partitioned railway hopper car
US4202266A (en) * 1977-12-07 1980-05-13 A. B. Dick Company Staging mechanism for duplexing copy machines
US4369705A (en) * 1980-09-24 1983-01-25 Harris Corporation Printing press
US5311817A (en) * 1991-05-15 1994-05-17 Komori Corporation Printing pressure adjusting apparatus of printing cylinders
WO1997015439A1 (en) * 1995-10-23 1997-05-01 Lawrence Paper Company Box blank printer/slotter apparatus
US5816994A (en) * 1995-10-23 1998-10-06 Lawrence Paper Company Box-blank printer/slotting apparatus
FR2758373A1 (fr) * 1997-01-15 1998-07-17 Skf Gmbh Roulement a excentrique avec levier de reglage, en particulier pour cylindre d'impression
US6004038A (en) * 1997-01-15 1999-12-21 Skf Gmbh Eccentric bearing with adjustment lever
US5778781A (en) * 1997-04-04 1998-07-14 F. L. Smithe Machine Company, Inc. Method and apparatus for printing on opposite sides of a web
WO1998053995A1 (de) * 1997-05-28 1998-12-03 Koenig & Bauer Aktiengesellschaft Antrieb für einen zylinder einer rotationsdruckmaschine
RU2161561C1 (ru) * 1997-05-28 2001-01-10 Кениг Унд Бауер Акциенгезельшафт Привод цилиндра ротационной печатной машины
US6202555B1 (en) 1997-05-28 2001-03-20 Koenig & Bauer Aktiengesellschaft Driving mechanism for a cylinder of a rotary printing machine
EP1155828A1 (de) * 1997-05-28 2001-11-21 Koenig & Bauer Aktiengesellschaft Antrieb für einen Zylinder einer Rotationsdruckmaschine
EP1157831A1 (de) * 1997-05-28 2001-11-28 Koenig & Bauer Aktiengesellschaft Antrieb für einen Zylinder einer Rotationsdruckmaschine
CN1103285C (zh) * 1997-05-28 2003-03-19 柯尼格及包尔公开股份有限公司 轮转印刷机滚筒的驱动装置
US6557473B2 (en) * 1998-10-28 2003-05-06 Heidelberger Druckmaschinen Ag Method for operating a printing machine

Also Published As

Publication number Publication date
SE339482B (enrdf_load_stackoverflow) 1971-10-11
FR2017198B1 (enrdf_load_stackoverflow) 1976-10-01
FR2017198A1 (enrdf_load_stackoverflow) 1970-05-22
GB1254076A (en) 1971-11-17
DE1942398A1 (de) 1970-03-12
CH492552A (de) 1970-06-30

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