US127512A - Improvement in stereotype-blocks - Google Patents

Improvement in stereotype-blocks Download PDF

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Publication number
US127512A
US127512A US127512DA US127512A US 127512 A US127512 A US 127512A US 127512D A US127512D A US 127512DA US 127512 A US127512 A US 127512A
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Prior art keywords
stereotype
blocks
plates
improvement
block
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L47/00—Details of addressographs or like series-printing machines
    • B41L47/02—Applications of printing surfaces in addressing machines or like series-printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes

Definitions

  • Figure 1 is a top view of a stereotype-block illustrating my invention.
  • Fig. 2 is a side view of the same, partly in section, through the line a0 :17, Fig. 1.
  • Fig. 3 is a side view, partly in section, of the key for removing and inserting the screw-hooks.
  • Fig. 4. is a side view of the tool for operating the swiveled screws.
  • My invention has for its object to furnish an improved block for stereotype-plates, which shall be so constructed as to avoid the loss oftime now unavoidable in making up a form of plates on a printing-press, on account of the irregularity in the thickness of th e plates, which has to be corrected by underlaying with paper or card, by taking each separate plate from its the heads of which have teeth formed in them,
  • the screw-hooks F are screwed into holes in the plates G, which are let into the face of the block A, several holes being formed in the said plates G for the said screw-hooks F, to enable them to be adjusted according to the size of the plates.
  • the plate is pressed up against the screw-hooks F by the clamps O.
  • the screw -ho0lrs F are screwed in and out with the key G.
  • H are wedges, placed upon inclines formed upon the lower side of the four corners of the block A, and which are moved out and in by swiveled screws D, similar to the swiveled screws that operate the clamps O, and which are swiveled in slots in the plates attached to the edges of the block A.
  • the plates may be leveled up by moving the wedges in or out by turning the screws D in one or the other direction. If the blocks A are large, more than four wedges may be used, some of the screws D being made long so that one screw may operate two wedges.

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  • Orthopedics, Nursing, And Contraception (AREA)

Description

WILLIAMA. PINNELL.
Sterebtype-Block.
Patented June 4,1872.
llllllllllllll llllllllllllllk' lay"? .91. Mom -urwa0MH/m 00. M x (Mean/ES moans) UNITED STATES WILLIAM A. PINNIQLL,
OF NEW YORK, N. Y.
IMPROVEMENT IN STEREOTYPE-BLOCKS.
Specification forming part of Letters Patent No. 127,512, dated June 4, 1872.
Specification describing anew and useful Improvement in Adjustable Stereotype-Blocks, invented by WILLIAM A. PINNELL, of the city, county, and State of New York.
Figure 1 is a top view of a stereotype-block illustrating my invention. Fig. 2 is a side view of the same, partly in section, through the line a0 :17, Fig. 1. Fig. 3 is a side view, partly in section, of the key for removing and inserting the screw-hooks. Fig. 4. is a side view of the tool for operating the swiveled screws.
Similar letters of reference indicate corre: sponding parts.
My invention has for its object to furnish an improved block for stereotype-plates, which shall be so constructed as to avoid the loss oftime now unavoidable in making up a form of plates on a printing-press, on account of the irregularity in the thickness of th e plates, which has to be corrected by underlaying with paper or card, by taking each separate plate from its the heads of which have teeth formed in them,
and are turned by means of a toothed blade, E. If the plates are small, the screw-hooks F are screwed into holes in the plates G, which are let into the face of the block A, several holes being formed in the said plates G for the said screw-hooks F, to enable them to be adjusted according to the size of the plates. The plate is pressed up against the screw-hooks F by the clamps O. The screw -ho0lrs F are screwed in and out with the key G. H are wedges, placed upon inclines formed upon the lower side of the four corners of the block A, and which are moved out and in by swiveled screws D, similar to the swiveled screws that operate the clamps O, and which are swiveled in slots in the plates attached to the edges of the block A.
By this construction the plates may be leveled up by moving the wedges in or out by turning the screws D in one or the other direction. If the blocks A are large, more than four wedges may be used, some of the screws D being made long so that one screw may operate two wedges.
Having thus described my invention, I claim as new and desire to secure by Letters Patent l. The adjustable screw-hooks F, in combination with the block A and adjustable screwclamps O D, substantially as herein shown and described, and for the purpose set forth.
2. The combination of ad justable wedges H with inclines formed upon the under side of the block A, and swiveled screws D, substantially as herein shown and described, and for the purpose set forth.
WILLIAM A. PINNELL.
Witnesses:
J AMES T. GRAHAM, T. B. MOSHER.
US127512D Improvement in stereotype-blocks Expired - Lifetime US127512A (en)

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US127512A true US127512A (en) 1872-06-04

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