US117088A - Improvement in printing-presses - Google Patents

Improvement in printing-presses Download PDF

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Publication number
US117088A
US117088A US117088DA US117088A US 117088 A US117088 A US 117088A US 117088D A US117088D A US 117088DA US 117088 A US117088 A US 117088A
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Prior art keywords
presses
printing
wheel
improvement
platen
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F1/00—Platen 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F1/00—Platen 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
    • B41F1/10—Platen 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 for multi-impression printing in one or more colours, e.g. on webs
    • B41F1/12—Platen 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 for multi-impression printing in one or more colours, e.g. on webs on sheets
    • B41F1/14—Platen 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 for multi-impression printing in one or more colours, e.g. on webs on sheets using swinging platens, or forme supports

Definitions

  • My invention relates to the hanging of the reciprocating platen, in its contact in backward motion with the projections on the frame, to the arm upon which the platen is hung, and in. the manner of adjusting the connecting-rods.
  • Figure-1 is a side elevation of a machine embracing my invention.
  • Fig. 2 is a transverse section of the same.
  • Fig. 3 is a verticalI section of same.
  • A is the frame; B, the bed; C, the platen; D, connecting-rod;. E, projection on the frame; F, an arm, G, a spiral spring 5 I, a crank-Wheel, J a power-Wheel; h, an adjusting-screw; z', spiral spring; H, driving-Wheel; I, pinion-Wheel; J, cam; K, friction-Wheel.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handling Of Sheets (AREA)

Description

UNITED STATES THOMAS LEAVITT, OF EVERETT, MASSACHUSETTS IMPROVEMENT IN PRINTING-PRESSES.
Specication forming part of Letters Patent No. 117,088, dated July 18, 1871.
To all whom it'may concern:
Beit known that I, THOMAS LEAvITT, of Everett, in the county of Middlesex and State of Massachusetts, have invented certain Improvements in Printing-Presses, of which the follow ing is a specification:
My invention relates to the hanging of the reciprocating platen, in its contact in backward motion with the projections on the frame, to the arm upon which the platen is hung, and in. the manner of adjusting the connecting-rods.
Figure-1 is a side elevation of a machine embracing my invention. Fig. 2 is a transverse section of the same. Fig. 3 is a verticalI section of same.
A is the frame; B, the bed; C, the platen; D, connecting-rod;. E, projection on the frame; F, an arm, G, a spiral spring 5 I, a crank-Wheel, J a power-Wheel; h, an adjusting-screw; z', spiral spring; H, driving-Wheel; I, pinion-Wheel; J, cam; K, friction-Wheel.
By revolving the power-Wheel in either direc tion the cam J is brought in contact with the friction-wheel K, which forces the bed B toward the platen C. When the bed has acquired a ing-rods, carry the platen from the bed till the projections E on the frame cause it to assume the position shown in Fig. 1. By means of the adjusting-screws h and spiral springs fi in the ends ofthe connecting-rods the platen is brought to an accurate adjustment With the bed.
What I claim as my invention, and desire to secure by Letters Patent, is-
The combination of the cam J With the connecting-rods D, substantially as and for the purpose set forth.
THOMAS LEAVITT. Witnesses:
A. S. ADAMS, D. G. PATTERSON, Jr.
US117088D Improvement in printing-presses Expired - Lifetime US117088A (en)

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US117088A true US117088A (en) 1871-07-18

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