US1078238A - Sheet-delivery mechanism for printing-machines. - Google Patents

Sheet-delivery mechanism for printing-machines. Download PDF

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US1078238A
US1078238A US61479411A US1911614794A US1078238A US 1078238 A US1078238 A US 1078238A US 61479411 A US61479411 A US 61479411A US 1911614794 A US1911614794 A US 1911614794A US 1078238 A US1078238 A US 1078238A
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Prior art keywords
sheet
cam
cylinder
grippers
sheets
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US61479411A
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Howard M Barber
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CB Cottrell and Sons Co
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/06Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members

Definitions

  • the object of this invention is to eliminate this dillicult manual withdrawal of the sheet for inspection, means under the-control of the pressman being employed for causing a sheet to be thrown out on to an inspection table at any time during the op- Fig.
  • Figure 1 represents the delivery mechanism fora web printing machine, in side elevation, the parts bein shown in the position which they .ing delivered on to the inspection table.
  • 2 is a longitudinal vertical section through the same.
  • Fig. 3 is a detail view showing the geared connection. between the evcral operative parts.
  • Fig. 4 is a detail view showing the means for controlling the opening and closing of the grippers on the transfer and delivery cylinders,
  • Fig. 5 is a detail side view showing the position which the parts assume when the product is being regularly delivered on to the sheet receiving table.
  • Fig 6 is an enlarged detail front view of the manually controlled means for causing the delivery cylinder to deliver a assume when a sheet is be-" sheet on to the inspection table.
  • Fig. 1 represents the delivery mechanism fora web printing machine, in side elevation, the parts bein shown in the position which they .ing delivered on to the inspection table.
  • 2 is a longitudinal vertical section through the same.
  • Fig. 3 is a detail view showing the
  • Fig. 7 is a section taken in tl e plane of the line AA of Fig/6.
  • Fig. 8 is a detail view on the same scale as Fig. (3, of the lower end of the control lever for the inspection delivery mechanism, the manually operated latch being shown in its inoperative position.
  • Fig. 9 is a section taken in the plane of the line B-B of Fig. 8, and
  • Fig. 10 is a section similar to Fig. 9, with the manually operated latch shown in its operative position.
  • the rotary cutters for severing the sheets from the web are denoted by 1,1*.
  • the transfer cylinder for receiving the sheets from the cutters and transferring them to the delivery cylinder, is denoted by 2.
  • the sheet inspection table is denoted by 8 and is herein shown as located in position to receive the sheets from the delivery cylinder after they have been transferred thereto by the transfer cylinder 2 and before the point of delivcry to the sheet receiving table 4-. It isto be understood however, that this sheet inspe0- tion table 8-may be located at any convenient position around the ,delivery cylinder 3 and need not be at the/position indicated therein. 7
  • the strippers for stripping the sheets from the delivery cylinder and guiding them to the forwarding rolls 9, 10, are denoted by 11, and are arranged to be moved into and out of operative position by mechanism to be hereinafter described.
  • the rolls for feeding the web to the r0- tary cutters are denoted by 12, 13.
  • the rotary cutters are driven together by their intcrmeshing gears l4, 15.
  • the geared driving connection between the several parts is as follows: A gear. 16 on the shaft of the roll 12 meshes with a gear 17 on the stud shaft 18, which gear 17 meshes with a gear '19 on the shaft of the cutter 1. This gear 19 meshes with a. gearQO on the stud shaft 2i, which.
  • gear .20 meshes with a gear 22 on the shaft of the delivery cylinder 3.
  • a second gear 23 on the shaft of the delivery cylinder 3 meshes with a gear 24 on the shaft 25 of the transfer cylinder 2, and also with an intermediate gear 26, which in turn meshes with the gear 27 on the shaft of the inspection table forwarding roll 9.
  • This gear 27 meshes with a gear 26* on the other inspection table forwarding roll 10.
  • the shaft 25 of the transfer cylinder 2 is pro vided with a rotary cam 2S for controlling the movements of the joggcrs 29, 30, for the sheets on the sheet receiving table 4, through suitable mechanism which need not be specifically described herein as it forms no part of the present invention.
  • a stationary cam 31 is arranged in position to engage the stud roller 32 of the gripper opening lever 33 of each setof grippers 6 on the transfer cylinder 2, for opening each set of grippers to receive a sheet from the rotary cutters 1, 1*, and to open the grippers to transfer the sheet to the grippers 7 on the delivery cylinder-3.
  • the usual spring 34 is provided for closing the grippers (3, when released from the cam 3t.
  • a stationary cam 35 is arranged in position to engage the stud roller 36 on the gripper opening lever 37 of each set of grippers 7, for opening the grippers to receive a sheet from the grippers 6 of the transfer cylindcr 2.
  • This cam is also arranged to open each set of grippers 7 in position to deliver the sheets on to the sheet receiving table 4.
  • the cam 35 is so shaped that the set of grippers is opened for delivering a sheet on to the sheet receiving table 4 and remains open until a sheet is transferred thereto from the grippers (l of the transfer vlin(lcr 2.
  • the usual spring 38 serves to close the grippers 7 when disengaged from the cam I will now proceed to describe the man-' ually controlled mechanism for opening the grippers 7 and stripping the sheets from the oolivery cylinder and delivering them on to the inspection table 8.
  • cam 39 is fixed to the shaft of the delivery cylinder 3, which cam is provided with a cylindrical rim 40 for nearly its entire circumference, said cylindrical rim being discontinued at one end and at its other end having an inwardly inclined narrowportion 41.
  • a normally closed switch 42 provided with acurved rim 43 which completes the break in the cylindrical rim 49 of the cam 39 when the switch is closed.
  • a spring 44 serves to normally hold this switch in its closed position.
  • a control 10 ver is fixed. to a rock shaft 45, the depend- 1 ally movable cam roller 47.
  • a spring 48 serves to normally hold the roller 47 in its operative position at the limit of its movement away from the lever arm 46.
  • a manually operated latch 49 hinged at 50 to the lever arm 46 has its free end arranged to be brought into engagement with a disk 51 on the rod 52 which carries the cam roller 47 for holding the cam roller out of its operative position with respect to the cam 39 when so desired.
  • the cam roller 47 is thrown by its spring 48 into its operative position with respect to the cam 39, by releasing the latch 49 from its engagement with the disk 51.
  • An uprising arm 53 of the control lever is fixed to the shaft 45 and a spring 54 serves to normally press the arm' forward and thereby the arm 46 with its cam roller 47 rearward.
  • a cam 55 is fixed spection table.
  • the strippers 11 are brought into their operative position for stripping the sheets from the delivery cylinder 3 as the rock shaft 45 is rocked out of its normal position, through an arm 56 and a link 57 connecting the said arm with the arm 53 of the control lever.
  • the cam roller 47 is held by the manually operated latch 49 out of its operative position, the said roller will be swung to a point within the periphery of the rim 40 of the cam 39.
  • a sheet guide 58 is located in position to eoact with the strippers 11 to feed the sheets to the forwarding rolls 9, 10.
  • This'mechanism may not only be used for delivering sheets to be inspected, but it may also be used for the purpose of throwing out the first few sheets printed after the press has been standing, as these sheets are not allowed to go in with the regular product. i
  • A. sheet delivery mechanism including a rotary cylinder arranged to automatically rece 'e the sheets at one point, a sheet receiving table, means for causing the cyl:
  • a sheet delivery mechanism including a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table, means for causing the cylinder to regularly deliver the sheets thereto,
  • a sheet delivery mechanism including a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table, means for causing the cylinder to regularly deliver the sheets thereto,
  • a sheet delivery mechanism including.
  • a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table and means for causing the-cylinder to regularly deliver the sheets thereto, .an inspection table located intermediate the receiving and delivery points of said cylinder and manually controlled means for causing the cylinder to deliver sheets on to the inspect-ion table, when so desired.
  • a sheet delivery mechanism including a rotary cylinder, its grippers, means for opening the grippers at predetermined receiving and delivery points, and independ ent means for opening the grippers at another predetermined delivery point including a gripper operating cam and a manually controlled lever for moving the cam into its operative position.
  • a sheet delivery mechanism including a rotary cylinder, its grippers, means for open ng the grippers at predetermined receiving and delivery points and independ.'
  • ent means for o ening the grippers at an other predetermined delivery oint including a gripper operating cam, s eetstrippers and a manually controlled lever for moving the cam and the strippers into their operative positions, an inspection table and forwarding rolls for feeding the sheets from the strippers on to the inspection table.
  • a sheet delivery mechanism including a rotary cylinder, its. grippers, means for opening the grippers at predetermined receiving and delivery points and independent means for opening the grippers at another predetermined delivery point comprising a lever, a gripper opening cam controlled thereby, a cam fixed to rotate with the cylinder, a cam roller carried by the lever and means for movingthe cam roller into and out of its engagement with the last named cam.
  • a sheet delivery mechanism including a rotary cylinder, its grippers, means for opening the grippers at predetermined re-- ceiving and delivery points and independent means for opening the grippers at another predetermined delivery point comprising a lever,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Description

H. M. BARBER.
SHEET DELIVERY MECHANISM FOR PRINTING MACHINES.
APPLICATION FILED MAR. 16; 1911.
Patented Nov. 11, 1913.
8 w w/ 3 2 W m W 8 v m 7 a Q m w 1 1 H. M. BARBER. SHEET DELIVERY MECHANISM FOR PRINTING MACHINES.
APPLICATION FILED MAR.16,1911.
Patented Nov. 11, 1913.
2 SHEETS-SHEBT 2.
U ITED STATES PATENT onnrcn.
HOWARD M. BARBER, or STONINGTON,
CONNECTICUT, ASSIGNOR TO C. B. COTTRELL &
SONS'COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.
SHEET-DELIVERY. MEcHANIsi/i FOR PRINTING-MACHINES.
Specification of Iietters Patent. Application filed March 16, 1911.
"Patented Nov. 1 1, 1 913. Serial No. 614,794.
pointdifferent from the, regular delivery.
point, for the purposes of inspection.
In all .classes of printing and especially in color printing, it is essential that the pressnian be able to frequently inspect the product of the press, In ordinary practice the pressnian has to manually withdraw the product as it is' being automatically delivered, which operationis diiiicult.
where the sheet is a large and heavy one.
The object of this invention is to eliminate this dillicult manual withdrawal of the sheet for inspection, means under the-control of the pressman being employed for causing a sheet to be thrown out on to an inspection table at any time during the op- Fig.
eration of the machine.
'A practical embodiment of the invention is represented in the accompanying draws ings, in which,
Figure 1 represents the delivery mechanism fora web printing machine, in side elevation, the parts bein shown in the position which they .ing delivered on to the inspection table. 2 is a longitudinal vertical section through the same. Fig. 3 is a detail view showing the geared connection. between the evcral operative parts. Fig. 4 is a detail view showing the means for controlling the opening and closing of the grippers on the transfer and delivery cylinders, Fig. 5 is a detail side view showing the position which the parts assume when the product is being regularly delivered on to the sheet receiving table. Fig 6 is an enlarged detail front view of the manually controlled means for causing the delivery cylinder to deliver a assume when a sheet is be-" sheet on to the inspection table. Fig. 7 is a section taken in tl e plane of the line AA of Fig/6. Fig. 8 is a detail view on the same scale as Fig. (3, of the lower end of the control lever for the inspection delivery mechanism, the manually operated latch being shown in its inoperative position. Fig. 9 is a section taken in the plane of the line B-B of Fig. 8, and Fig. 10 is a section similar to Fig. 9, with the manually operated latch shown in its operative position.
The rotary cutters for severing the sheets from the web are denoted by 1,1*. The transfer cylinder for receiving the sheets from the cutters and transferring them to the delivery cylinder, is denoted by 2. The
delivery cylinder is denotedfby 3' and the sheet rece1ving table is denoted by 4:. In
the present instance the rotary cutters 1, 1*,
three sets of co-actingthe transfer cylinder is shown asare provided with blades 5, provided with two sets of grippers 6 and the delivery cylinder 8 is shown "s provided with four sets of grippers7. The sheet inspection table is denoted by 8 and is herein shown as located in position to receive the sheets from the delivery cylinder after they have been transferred thereto by the transfer cylinder 2 and before the point of delivcry to the sheet receiving table 4-. It isto be understood however, that this sheet inspe0- tion table 8-may be located at any convenient position around the ,delivery cylinder 3 and need not be at the/position indicated therein. 7
The strippers for stripping the sheets from the delivery cylinder and guiding them to the forwarding rolls 9, 10, are denoted by 11, and are arranged to be moved into and out of operative position by mechanism to be hereinafter described. The rolls for feeding the web to the r0- tary cutters are denoted by 12, 13. The rotary cutters are driven together by their intcrmeshing gears l4, 15. The geared driving connection between the several parts is as follows: A gear. 16 on the shaft of the roll 12 meshes with a gear 17 on the stud shaft 18, which gear 17 meshes with a gear '19 on the shaft of the cutter 1. This gear 19 meshes with a. gearQO on the stud shaft 2i, which. gear .20 meshes with a gear 22 on the shaft of the delivery cylinder 3. A second gear 23 on the shaft of the delivery cylinder 3, meshes with a gear 24 on the shaft 25 of the transfer cylinder 2, and also with an intermediate gear 26, which in turn meshes with the gear 27 on the shaft of the inspection table forwarding roll 9. This gear 27 meshes with a gear 26* on the other inspection table forwarding roll 10. The shaft 25 of the transfer cylinder 2 is pro vided with a rotary cam 2S for controlling the movements of the joggcrs 29, 30, for the sheets on the sheet receiving table 4, through suitable mechanism which need not be specifically described herein as it forms no part of the present invention.
A stationary cam 31 is arranged in position to engage the stud roller 32 of the gripper opening lever 33 of each setof grippers 6 on the transfer cylinder 2, for opening each set of grippers to receive a sheet from the rotary cutters 1, 1*, and to open the grippers to transfer the sheet to the grippers 7 on the delivery cylinder-3. The usual spring 34 is provided for closing the grippers (3, when released from the cam 3t.
A stationary cam 35 is arranged in position to engage the stud roller 36 on the gripper opening lever 37 of each set of grippers 7, for opening the grippers to receive a sheet from the grippers 6 of the transfer cylindcr 2. This cam is also arranged to open each set of grippers 7 in position to deliver the sheets on to the sheet receiving table 4. In the present instance the cam 35 is so shaped that the set of grippers is opened for delivering a sheet on to the sheet receiving table 4 and remains open until a sheet is transferred thereto from the grippers (l of the transfer vlin(lcr 2. The usual spring 38 serves to close the grippers 7 when disengaged from the cam I will now proceed to describe the man-' ually controlled mechanism for opening the grippers 7 and stripping the sheets from the oolivery cylinder and delivering them on to the inspection table 8.
A. cam 39 is fixed to the shaft of the delivery cylinder 3, which cam is provided with a cylindrical rim 40 for nearly its entire circumference, said cylindrical rim being discontinued at one end and at its other end having an inwardly inclined narrowportion 41. A normally closed switch 42 provided with acurved rim 43 which completes the break in the cylindrical rim 49 of the cam 39 when the switch is closed.
A spring 44 serves to normally hold this switch in its closed position.
A control 10 ver is fixed. to a rock shaft 45, the depend- 1 ally movable cam roller 47. A spring 48 serves to normally hold the roller 47 in its operative position at the limit of its movement away from the lever arm 46.- A manually operated latch 49 hinged at 50 to the lever arm 46, has its free end arranged to be brought into engagement with a disk 51 on the rod 52 which carries the cam roller 47 for holding the cam roller out of its operative position with respect to the cam 39 when so desired. The cam roller 47 is thrown by its spring 48 into its operative position with respect to the cam 39, by releasing the latch 49 from its engagement with the disk 51. An uprising arm 53 of the control lever is fixed to the shaft 45 and a spring 54 serves to normally press the arm' forward and thereby the arm 46 with its cam roller 47 rearward. A cam 55 is fixed spection table. The strippers 11 are brought into their operative position for stripping the sheets from the delivery cylinder 3 as the rock shaft 45 is rocked out of its normal position, through an arm 56 and a link 57 connecting the said arm with the arm 53 of the control lever. \Vhen the cam roller 47 is held by the manually operated latch 49 out of its operative position, the said roller will be swung to a point within the periphery of the rim 40 of the cam 39. When the control lever is in this position, the cam and the strippers 11 are swung out of their operative position, thus permitting the dolivery cylinder 3 to regularly receive the sheets from the transfer cylinder 2 and deliver them on to the sheet receiving table 4. \Vhen the pressman desires to inspect the product, he throws the latch 4-9 out of its operative position, thus permitting the cam roller 47 to be thrown into its operative position. As the delivery cylinder 3 continues its rotation, the roller 47 will travel around within the cylindrical portion of the rim 40, until it reaches the inclined portion 41 within the curved portion 43 of the switch 42.
The further rotary movement of the dc-' 2, H1111 46 of which lever carries a lat'en i cam 53 and strim'iers it into their-oyerativc position. This will cause the grippers 7 to open in time to permit the strippers 11 to strip the'sheets from the cylinder 3 and the rollers 9, 10, will positively feed the sheets on to the inspection table 8, Where they may be inspected at leisure bythe pressman. As soon as it is desired to stop thedelivery of sheets for inspection, the roller 47 is moved laterally out of its 0perative position by the pressman gripping the handle 51. The roller 47 is held in this position by dropping the latch l9 into -engagement with the disk 51. The cylindrical rim 40 on the cam 39 will travel around heneath the roller until the narrowed ortion at the switch 42 permits the roller an thereby the lever, to move into their normal position. 4
A sheet guide 58 is located in position to eoact with the strippers 11 to feed the sheets to the forwarding rolls 9, 10.
This'mechanism may not only be used for delivering sheets to be inspected, but it may also be used for the purpose of throwing out the first few sheets printed after the press has been standing, as these sheets are not allowed to go in with the regular product. i
It is to be understoodthat by the term cylinder I intend to cover any operative device for carrying the sheets through the prescribed paths, and by the term table I intend to cover any suitable surface adapted to receive the sheets.
It is evident that various changes might be resorted to in the construction, form and arrangement of the various parts without departing from the spirit and scope of my invention; hence I do not wish to limit myself strictly to the structure herein set forth, but
What I claim is: y
A. sheet delivery mechanism including a rotary cylinder arranged to automatically rece 'e the sheets at one point, a sheet receiving table, means for causing the cyl:
inder to regularly deliver the sheets thereto,
an inspection table and means for causing the cylinder to deliver sheets thereto, when so desired.
2. A sheet delivery mechanism including a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table, means for causing the cylinder to regularly deliver the sheets thereto,
an inspection tabl and manually controlled means for causing the cylinder to deliver sheets thereto, when so desired.
3. A sheet delivery mechanism including a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table, means for causing the cylinder to regularly deliver the sheets thereto,
a sheet inspection table located intermediate 4. A sheet delivery mechanism including.
a rotary cylinder arranged to automatically receive the sheets at one point, a sheet receiving table and means for causing the-cylinder to regularly deliver the sheets thereto, .an inspection table located intermediate the receiving and delivery points of said cylinder and manually controlled means for causing the cylinder to deliver sheets on to the inspect-ion table, when so desired.
5. A sheet delivery mechanism including a rotary cylinder, its grippers, means for opening the grippers at predetermined receiving and delivery points, and independ ent means for opening the grippers at another predetermined delivery point including a gripper operating cam and a manually controlled lever for moving the cam into its operative position.
6. -A sheet delivery mechanism including a rotary cylinder, its grippers,
means for opening the grippers at predetermined receiving and delivery points and independent means for opening the grippers at another predetermined delivery point including a gripper operating cam, sheet strippers and a manually controlled lever for moving the cam and the strippers into their operative positions.-
7. A sheet delivery mechanism including a rotary cylinder, its grippers, means for open ng the grippers at predetermined receiving and delivery points and independ.'
ent means for o ening the grippers at an other predetermined delivery ointincluding a gripper operating cam, s eetstrippers and a manually controlled lever for moving the cam and the strippers into their operative positions, an inspection table and forwarding rolls for feeding the sheets from the strippers on to the inspection table.
8. A sheet delivery mechanism including a rotary cylinder, its. grippers, means for opening the grippers at predetermined receiving and delivery points and independent means for opening the grippers at another predetermined delivery point comprising a lever, a gripper opening cam controlled thereby, a cam fixed to rotate with the cylinder, a cam roller carried by the lever and means for movingthe cam roller into and out of its engagement with the last named cam.
'9. A sheet delivery mechanism including a rotary cylinder, its grippers, means for opening the grippers at predetermined re-- ceiving and delivery points and independent means for opening the grippers at another predetermined delivery point comprising a lever,
,a gripper opening cam controlled thereby a cam fixed to rotate with as my invention, I have signed my name in the cylinder, a. cam roller carried by the presence of two witnesses, this thirteenth 10 lever, means for moving the cam roller into day of March A. D. 1911. V
and out of its enga ement with the last 1 5 named cam and sheet strippers moved into HOWARD BARBER and out of their operative position by said Witnesses: lever. A. R. STInLMAN,
In testimony, that I claim the foregoing G. BURDICK.
US61479411A 1911-03-16 1911-03-16 Sheet-delivery mechanism for printing-machines. Expired - Lifetime US1078238A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747503A (en) * 1952-07-07 1956-05-29 Steelograph Inc Rotary printing press sheet take-off-device
US3918702A (en) * 1973-02-23 1975-11-11 Gestetner Byfleet Ltd Copier and sheet stripping finger therefor
US4475459A (en) * 1980-12-24 1984-10-09 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Impression cylinder for sheet-fed rotogravure presses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747503A (en) * 1952-07-07 1956-05-29 Steelograph Inc Rotary printing press sheet take-off-device
US3918702A (en) * 1973-02-23 1975-11-11 Gestetner Byfleet Ltd Copier and sheet stripping finger therefor
US4475459A (en) * 1980-12-24 1984-10-09 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Impression cylinder for sheet-fed rotogravure presses

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