US1473202A - Folding mechanism - Google Patents

Description

Nov. 6, m3. mmmz H. M. BARBER FOLDING MECHANISM Filed July 13 1921 2K Jung/ 72252 Patented Nov. 6, 1923. v

UNEE

tenses HOWARD M. BAR-BER. OF STONINGTON, CONNECTICUT, ASSIGNOR TO C. B. COTTRELL & SONS COMPANY, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

FOLDING MECHANISM.

Application filed July 13,

' acting to make the three parallel cross folds,

one of said cylinders being arranged to coact with one of the other cylinders to make the second fold and with another of the cylinders to make the third fold.

A practical embodiment of my invention is represented in the accompanying drawings, in which,

Fig. 1 represents a diagrammatic view of so much of a sheet folding machine as ineludes my invention.

The web feed roll is denoted by 1 and the pair of coacting rotary cutters by 2 and 3, the knives 4.- and 5 of which are arranged to sever sheets of a predetermined length. The mechanism forimparting three parallel cross folds to the sheets includes two pairs of rotary folding cylinders, the first cylinder being denoted by 6; the second cylinder by 7; the third cylinder by 8, and the fourth cylinder by 9. The first cylinder 6 is shown as provided with. a set of head grippers 10 and a floating folding blade 11 In the embodiment illustrated. the second cylinder 7 is shown as being provided with two sets of floating folding jaws 12 and 13, arranged to successively coact with the folding blade 11. to impart a first cross fold to successive products. This second cylinder 7 is also shown as provided with two floating folding blades 14 and 15. The third folding cylinder 8 is shown as provided with two sets of floating folding jaws 21 and17 which are arranged to coact with their respective blades 14 and on the second folding cylinder 7 to imparta second parallel cross fold to successive products. The fourth cylinder 9 is provided with the head grippers 18 and also with a floating folding blade 1.9.. The third folding cylinder 8 is also provided with. two sets of floating folding aws 20 and 16, which are arranged to successively coact with the folding blade 19 on the fourth folding 1921. Serial No. 434,387.

cylinder 9 to impart the third parallel cross fold to successive products. Coacting friction pulleys 22 and 23 are located between the rotary cutters 2, 3 and the first pair of folding cylinders 6, 7 to feed the sheets in register as they pass from the cutters to the first pair of folding cylinders.

The rotary delivery cylinder 24: is provided with head grippers 26 for coaction with the set of grippers 16 on the third folding cylinder 8 to take one of the thrice folded products therefrom. A second rotary delivery cylinder 'is provided with head grippers 27 arranged to coact with the grippers 20 on the third folding cylinder 8 to take the next succeeding thrice folded product therefrom. By this arrangement the product may be delivered to two delivery points 28 and 29.

Rotary slitters 30 and 31 are provided for slitting the thrice folded products longitudinally, said slitters being arranged to 00- act with their respective delivery cylinders 24: and 25.

Friction pulleys 32 and 33 may be provided in position to coact with their respective delivery cylinders 24 and 25, for ensur ing the proper delivery of the folded products to the two delivery points 28 and 29.

I have not shown the means for rotating the several cylinders nor the means for operating the floating folding blades and jaws or the means for operating the head grippers as all of these means may be of well known or approved construction, readily understood by persons skilled in this art.

- It is evident that various changes may be resorted to in the construction, form and arrangement of the several parts without dei iarting from the spirit and scope of my invention; hence I do not wish to limit myself to the particular embodiment herein shown and described, but

lVhat I claim is 1. In a sheet folding machine, mechanism operative to make three parallel cross folds including four rotary folding cylinders, the first cylinder coact ing with the second cylinder to make the first fold, the second cylnder and the fourth cylinder coacting with the third cylinder to make the second and third folds on the third cylinder.

2. In a sheet folding machine, mechanism operative to make three parallel cross folds including four rotary folding cylinders, the

first cylinder coacting withthe second cylinder to make the first fold, the second 7 cylinder coacting with the third cylinder to make the" second'fold andthe fourth cylindercoacting with the third cylinder to' make the third fold on the third cylinder.

3, In a sheet folding machine,mechanism operative to make three parallel cross folds including two pairs of rotary folding cyl-' inders, one cylinder of the first pair having a folding blade and the other cylinder having a plurality of sets of jaws tocoact therewith and also a plurality of folding blades, one cylinder of the second, pair hav 'ing a folding blade and the other cylinder having a plurality of sets of jaws to coact therewith andlalso a plurality of Sets of jaws to coact with their respective folding 7 first pair,

blades on the second named cylinder of the 4:. Ina i sheet folding machine nismoperatlve to make three parallel cross folds including two pairs of rotary folding cylinders, one cylinder of r the first pair having a'folding blade and the other cylinderlhaving two sets of jaws to coact therewith and also two folding blades, one cylinder of the vsecond pair having a folding blade'andthe other cylinder having two setsof jaws to coact therewith and also'two sets of jaws to coact with their respective folding blades on the second named cylinder of the first pair.

5. In a sheet folding machine, mechanism operative to make three parallel cross folds including four rotary folding cylinders, the first cylinder coacting with the second cyl-:

inder to make the first fold on the second cylinder, the second cylinder coacting with the third cylinderto make thesecond fold on the third cylinder and the fourth cylinder coacting with the third cylinder to make the third fold'on the third cylinder,

; and a rotary delivery cylinder coacting with the third cylinder to take the thrice folded 'u'oduct therefrom.

. 6. In a sheet foldingmachine, mechanism operative to mak three parallel cross folds including four rotary folding cylinders, the

first cylinder enacting with the second cyl-' inder to make the first fold on the second cylinder, the second cylinder coactingwitli' the third cylinderto make the second fold onthe third cylinder-{and the fourth cylinder coafcting with the third cylinder to' 'makethe third fold on the third cylinder,

a rotary delivery cylinder coacting with the third cylinder to take the thrice folded product therefrom, and means for slitting the product on the delivery cylinder;

1 7 In a sheetfolding machine, mechanism operative to make three parallel cross folds including four rotary folding cylinders, the first cylinder coacting with the second cylinder to make the firstfold on the second mecha .cylinder, the second cylinder 'coacting with the third cylinder to make the second fold.

on the third cylinder and the fourth cylinder coacting with the third cylinder .to

make the third fold. on the third cylinder,

and a plurality of rotary delivery cylinders ooacting with the third cylinder to take the thrice folded products therefrom; 1

8. In a sheet folding machine, mechanism operative to make three parallel cross, folds including four rotary folding cylinders,the

first cylinder coacting with the second'cyl inder to make the first fold, the second cylinder coacting with the third cylinder to mak the-secondfold and the fourthcylinder coacting with the third. cylinder to make the third fold, a plurality of rotary delivery cylinders coacting with the third therefrom, and means for slitting the product on the delivery cylinders;

9. In a sheet foldingmaohine, mechanism operative, to make three parallel cross folds including four rotary folding cylinders,the

first cylindercoacting with the second cylinder to make the first fold on the second cylinder, the second cylinder coacting with the third cylinder to make the second fold on the third cylinder and the fourth cylinder coacting with the third cylinder to make the third fold on the third cylinder,

and two rotary delivery cylinders coacting with the third cylinder to take the thrice Ifolded products therefrom.

10.111 a sheet :foldingmachine, mechanism operative "to makethree parallel cross vcylinder to take the thrice folded products 11. In a sheet folding machine, two rotary i delivery cylinders, each having a set of grip-l pers, mechanismpperative. to make three parallel cross folds including two pairs of rotary folding cylinders, one cylinder of the first pair having a foldingblade and the other cylinder having two sets of jaws to coact therewith andalso two folding blades,

one cylinder of the second pair having a folding blade and the other cylinder having a set of jawsto coact therewith and with their respective grippers on the delivery cylindera-and also two ;setS of jaws to coact 1 2. In a sheet folding machinetwo rotary delivery cylinders, each having a set of grip pers, mechanism operative 'to make three with theirrespective folding blades on the I second named cylinder of the first pair.

parallel cross folds including two pairs of rotary folding cylinders, one cylinder of the first pair having a folding blade and the other cylinder having two sets of jaws to coact therewith and also two folding blades, one cylinder of the second pair having a folding blade and the other cylinder having a set of jaws to coact therewith with their respective grippers on the delivery cylinders, and also two sets of jaws to coact with 10 their respective folding blades 011 the second named cylinder of the first pair, and means for slitting th products on the delivery cylinders.

In testimony, that I claim the foregoing 15 as my invention, I have signed my name this eighth day of July, A. D. 1921.

HOWARD M. BARBER.

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