GB664421A - Improvements in mechanism for operating perforators, numbering or like devices on printing presses - Google Patents

Improvements in mechanism for operating perforators, numbering or like devices on printing presses

Info

Publication number
GB664421A
GB664421A GB130549A GB130549A GB664421A GB 664421 A GB664421 A GB 664421A GB 130549 A GB130549 A GB 130549A GB 130549 A GB130549 A GB 130549A GB 664421 A GB664421 A GB 664421A
Authority
GB
United Kingdom
Prior art keywords
cam wheel
operating
tappet
operating lever
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB130549A
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.)
RONALD LEECH
Original Assignee
RONALD LEECH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RONALD LEECH filed Critical RONALD LEECH
Priority to GB130549A priority Critical patent/GB664421A/en
Publication of GB664421A publication Critical patent/GB664421A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41G—APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING
    • B41G7/00—Auxiliary perforating apparatus associated with printing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B41F33/045—Tripping devices or stop-motions for starting or stopping operation of numbering devices

Landscapes

  • Rotary Presses (AREA)

Abstract

664,421. Printing-machines. LEECH, R. April 17, 1950 [Jan. 17, 1949], No. 1305/49. Classes 100 (i) and 100 (ii). In a mechanism for actuating and controlling the actuation of perforators numbering or like devices for use in a printing press of the kind in which an operating lever 3 depressed by the impression cylinder, or platen, slides a bar 12 for operating the device, and by means of a pawl 5 and ratchet 6 rotates periodically an exchangeable control wheel or cam wheel 13 controlling the operation of the device so that it is operated, as desired at each printing operation or after a predetermined number of printing operations, the operating lever 3 is provided with a tappet 11 which, under the control of the cam wheel 13, is moved into or out of operative position between the lever 3 and the sliding bar 12 so that when the tappet is in operative position the operating lever can make a direct thrust through it on the sliding bar, but when the tappet is in inoperative position the operating lever has no effect on the sliding bar. The tappet is normally held in its inoperative position by a spring 15 so that it slides above the bar 12 but is pressed down to its operating position whenever the end 14 of a spring-loaded bell crank 22 which engages its upper surface enters a depression in the cam wheel 13. The cam wheel 13 is secured to or integral with the ratchet 6 and the shaft 7 on which they are mounted can be removed from the device to enable the cam wheel to be changed.
GB130549A 1949-01-17 1949-01-17 Improvements in mechanism for operating perforators, numbering or like devices on printing presses Expired GB664421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB130549A GB664421A (en) 1949-01-17 1949-01-17 Improvements in mechanism for operating perforators, numbering or like devices on printing presses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB130549A GB664421A (en) 1949-01-17 1949-01-17 Improvements in mechanism for operating perforators, numbering or like devices on printing presses

Publications (1)

Publication Number Publication Date
GB664421A true GB664421A (en) 1952-01-09

Family

ID=9719678

Family Applications (1)

Application Number Title Priority Date Filing Date
GB130549A Expired GB664421A (en) 1949-01-17 1949-01-17 Improvements in mechanism for operating perforators, numbering or like devices on printing presses

Country Status (1)

Country Link
GB (1) GB664421A (en)

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