US1506990A - Printing-press guide - Google Patents

Printing-press guide Download PDF

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Publication number
US1506990A
US1506990A US527795A US52779522A US1506990A US 1506990 A US1506990 A US 1506990A US 527795 A US527795 A US 527795A US 52779522 A US52779522 A US 52779522A US 1506990 A US1506990 A US 1506990A
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Prior art keywords
guide
tympan
printing
sheet
head portion
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Expired - Lifetime
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US527795A
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Multaler William
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Individual
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Priority to US527795A priority Critical patent/US1506990A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F1/00Platen presses, i.e. presses in which printing is effected by at least one essentially-flat pressure-applying member co-operating with a flat type-bed
    • B41F1/26Details
    • B41F1/28Sheet-conveying, -aligning or -clamping devices

Definitions

  • the invention relates to that class of printing press guides adaptable for positioning unprinted sheets on the tympan sheet of a printing press in. proper register for the impression of the printing element.
  • the primary object of the invention is the provision of a printing press guide of the character described which is possessed of certain novel structural features serving, first, to produce a firm and unyielding she-et-positiom ing abutment second, to permit ready attachment, adjustment, or removal of the same from the tympan sheet; and third, to obviate the possibility of the sheets passing beneath the abutting surface of the guide.
  • FIG. 1 is a perspective view of th guide with the attaching means removed;
  • Fig. 2 is a perspective view of the removed attaching means
  • Fig. 3 is a side elevation of a tool which is particularly adaptable for attaching, adjusting, or removing the guide:
  • Fig. 4 is a perspective view of a modified form of the guide.
  • the guide comprises a head portion 10 having an edge face 11 which is adapted to engage Serial No. 527,795.
  • a flange 12 extending rearwardly from the base of the head portion with' its under surface in the same plane as that of the head portion, a slot 13 in the flange 12 extending longitudinally of the guide, a clamping bolt 14 adapted for coaction with the slot 13 and comprising a base plate 15, a screw-theaded stem 16 and a nut 17, and a thin tongue 18 extending forwardly from the base of the head portion 10 with its under surface in the same plane as that of the head portion 10 and flange 12, the angle between the upper surface of the tongue 18 and the edge surface 11 of the head portion 10 preferably being 90 degrees or less.
  • the guide is attached to the tympan sheet of a printing press in the following manner:
  • the tympan sheet is apertured at a point a short distance rearwardly of the proposed location for the abutment, and the screw-threaded stem 16 of the bolt 14 is inserted upwardly through the aperture thus formed leaving the plate 15 or head portion of the bolt beneath the tympan.
  • a transverse slit is then made in the tympan at the proposed location for the abutment or slightly in advance thereof, and the tongue 18 of the guide is then inserted through this slit and the slot in the flange 12 passed down over the stem 16 of the bolt 14.
  • the guide may then be shifted to the exact location desired and the nut 17 tightened on the stem 16 to clamp the guide firmly to the tympan sheet.
  • the tongue 18 underlies the tympan at. the point where the unprinted sheets rest thereon. and the possibility of the sheets catching between the guide and the, tympan is thereby precluded. It will of course be appreciated that if any longitudinal adjustment of the guide is desired, it is only necessary to loosen the nut 17, whereupon the position of the guide may be changed without disturbing its anchoring means.
  • Fig. 3 In Fig. 3 is shown a special tool 19 which is quite convenient for puncturing the tympan sheet and tightening or loosening the nut 17.
  • FIG. 4 A modified form of the guide is shown in Fig. 4.
  • the clamping means for effecting attachment of the guide to the tympan sheet is dispensed with, and the under surface of the guide is adapted to be pasted upon the tympa-n sheet after the sheet has been transversely slitted and the tongue 18 inserted thereon.
  • a head portion having an edge surface adapted to engage with edges of the sheets fed on to the tyinpan sheet, a longitudinally slotted flange extending rearwerdly from the base of the head portion, a tongue extending forwardly from the base of the head portion, a, plate for insertion beneath the tympan, a threaded stem on the plate for insertion through the slot in the flange, and a nut for clamping the plate to the flange; the under surfaces of the head portion, flange and tongue lying substantially in a common plane at an abrupt angle to the sheet engaging surface of the head portion and being adapted to bear against the tympan sheet with the tongue inserted under the same through a transverse slot therein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Color Printing (AREA)

Description

' t.2.l921. 1,506,990 sap w. MULTALER ranu'mo Passs mum:
tuna. v, 1922 alumni! Patented Sept. 2, 1924.
UNITED STATE WILLIAM MULTALEB, or CHICAGO, rumors.
PRINTING-PRESS GUIDE.
Application filed January 7, 1922.
To all whom it may concern:
Be it known that I, WILLIAM MULTALER. a citizen of the United States, residing at Chicago. in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Printing-Press Guides, of which the following is a specification.
The invention relates to that class of printing press guides adaptable for positioning unprinted sheets on the tympan sheet of a printing press in. proper register for the impression of the printing element.
The primary object of the invention is the provision of a printing press guide of the character described which is possessed of certain novel structural features serving, first, to produce a firm and unyielding she-et-positiom ing abutment second, to permit ready attachment, adjustment, or removal of the same from the tympan sheet; and third, to obviate the possibility of the sheets passing beneath the abutting surface of the guide.
While the foregoing statement is indicative of the nature of the invention, other objects and advantages not herein specifically referred to will be appreciated upon a full comprehension of the novel features presented in the construction of the guide.
In order that the invention may be understood readily, an exemplifying embodiment of the same is set forth in the accompanying .drawing and in the following detailed descriptio-n based thereon. Obviously the invention is susceptible of embodiment in other slightly varied structural forms without departure from the essence of the invention or the sacrifice of its material advantages; wherefore it is to be understood that the drawing and description are to be taken in an illustrative and not in an unnecessarily limiting sense.
In the drawing- Fig. 1 is a perspective view of th guide with the attaching means removed;
Fig. 2 is a perspective view of the removed attaching means;
Fig. 3 is a side elevation of a tool which is particularly adaptable for attaching, adjusting, or removing the guide: and
Fig. 4 is a perspective view of a modified form of the guide.
Referring now with more particularity to the drawing, it will be observed that the guide comprises a head portion 10 having an edge face 11 which is adapted to engage Serial No. 527,795.
with edges of the sheets fed on. to the tympan sheet; a flange 12 extending rearwardly from the base of the head portion with' its under surface in the same plane as that of the head portion, a slot 13 in the flange 12 extending longitudinally of the guide, a clamping bolt 14 adapted for coaction with the slot 13 and comprising a base plate 15, a screw-theaded stem 16 and a nut 17, and a thin tongue 18 extending forwardly from the base of the head portion 10 with its under surface in the same plane as that of the head portion 10 and flange 12, the angle between the upper surface of the tongue 18 and the edge surface 11 of the head portion 10 preferably being 90 degrees or less.
The guide is attached to the tympan sheet of a printing press in the following manner:
Having first determined the approximate location where the abutment provided by the guide is required, the tympan sheet is apertured at a point a short distance rearwardly of the proposed location for the abutment, and the screw-threaded stem 16 of the bolt 14 is inserted upwardly through the aperture thus formed leaving the plate 15 or head portion of the bolt beneath the tympan. A transverse slit is then made in the tympan at the proposed location for the abutment or slightly in advance thereof, and the tongue 18 of the guide is then inserted through this slit and the slot in the flange 12 passed down over the stem 16 of the bolt 14. The guide may then be shifted to the exact location desired and the nut 17 tightened on the stem 16 to clamp the guide firmly to the tympan sheet. By mounting the guide in this manner on the tympan sheet, it will be appreciated that the tongue 18 underlies the tympan at. the point where the unprinted sheets rest thereon. and the possibility of the sheets catching between the guide and the, tympan is thereby precluded. It will of course be appreciated that if any longitudinal adjustment of the guide is desired, it is only necessary to loosen the nut 17, whereupon the position of the guide may be changed without disturbing its anchoring means.
In Fig. 3 is shown a special tool 19 which is quite convenient for puncturing the tympan sheet and tightening or loosening the nut 17.
A modified form of the guide is shown in Fig. 4. In this form of the invention the clamping means for effecting attachment of the guide to the tympan sheet is dispensed with, and the under surface of the guide is adapted to be pasted upon the tympa-n sheet after the sheet has been transversely slitted and the tongue 18 inserted thereon.
I-elainiz In aguide for positioning sheets upon a tympafn sheet, a head portion having an edge surface adapted to engage with edges of the sheets fed on to the tyinpan sheet, a longitudinally slotted flange extending rearwerdly from the base of the head portion, a tongue extending forwardly from the base of the head portion, a, plate for insertion beneath the tympan, a threaded stem on the plate for insertion through the slot in the flange, and a nut for clamping the plate to the flange; the under surfaces of the head portion, flange and tongue lying substantially in a common plane at an abrupt angle to the sheet engaging surface of the head portion and being adapted to bear against the tympan sheet with the tongue inserted under the same through a transverse slot therein.
WILLIAM MU LTALER.
US527795A 1922-01-07 1922-01-07 Printing-press guide Expired - Lifetime US1506990A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871819A (en) * 1955-08-29 1959-02-03 Haloid Xerox Inc Xerographic registration guide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871819A (en) * 1955-08-29 1959-02-03 Haloid Xerox Inc Xerographic registration guide

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