Patent GB-191023541-A (GB)
Title: An Improved Folding Machine.
Inventor: PEJANO ALBURT DEMOSS
IPC: B65H45/12
Filed: 1910-10-11
Granted: 1911-08-10
Abstract: 23,541. Pejano, A. D., and Zeitz, J. J. Oct. 11. Feeding sheets; delivery apparatus. - A folding machine for producing a variety of folded products from sheets of varying sizes and thicknesses comprises a primary reciprocating-blade folder, a secondary similar folder which may be set in two different positions at right-angles to each other, and a third folder which also comprises a reciprocating blade. The paper may be delivered without the second, or third folds. Adjustable stacking - devices, comprising reciprocating pushers for forcing the sheets past holding stops into the stackers, are also provided. The sheets are fed over a horizontal or inclined aluminium table 3, Figs. 13 and 23, and are guided laterally by one of two side guides 17 adjustable in grooves with bevelled sides 18 to prevent any check in feeding the paper. A guide 19 directs the sheets under a drop roller 10 carried by an oscillating frame 12, which feeds the sheet forward to an adjustable gauge 20 on the table 3, which is also fitted with adjustable side guides 23. The frame 12 is oscillated by an adjustable cam, and it maintains the roller 10 in contact with the sheet after it has been stopped by the gauge 20 so as to keep the sheet pressed against the gauge. A swelling 26 on the left of the folding blade 8 causes the paper to buckle on this side of the blade, and a cross-bar 25 prevents the paper from buckling on the other side. The first fold is thus adapted to be formed accurately by the blade 8, which pushes the sheet through a slot 5 into the bite of an aluminium roller 28 and a spring-pressed rubber roller 28'. The rollers 28, 28<1> feed the sheet downwards, and, if a second fold is required, the sheet is directed by positively driven aluminium rollers 30, 31, which are spaced apart and serve mainly to guide the sheets to adjustable stops 32. When the sheet is in this position, paper - retainers 35 hold the paper flat against a plate 4 in which the rollers 31 are mounted. The sheets are registered laterally in this position by means of an adjustable stop and a reciprocating pusher which moves the sheet against this stop. The rollers 30 are mounted in two pivoted frames 40, which can be moved out of operative position when only one fold is required. The second fold is obtained by tucking the sheet through one of two perpendicular slots 6, 7 in the plate 4 by means of a blade 9, and then into the bite of rollers 95, 96, Fig. 23. These rollers are carried in a frame 97 mounted on trunnion bearings in an arm 100 depending from a cross - head 113, which can be adjusted by means of pivots 136 eccentrically mounted in bearings 135<1> held in adjusted positions by lock-nuts. This enables the rollers 95, 96 to be kept parallel or at an angle to the blade 9. The frame 97 can be held in either of three positions so as to cause the sheet to be delivered to the right, or to the left, or vertically downwards, as is the case in Fig. 23. From the rollers 95, 96 the sheet may be guided by a deflector 109, Fig. 23, between the roller 96 and a roller 101, but normally this deflector is raised, and a third fold is formed by a curved blade 104 which is actuated by lever and link mechanism from a cam. The once-folded sheet may be guided by a deflector, which may be integral with the stop plates 32, direct to the rollers 95, 96, in which case only one fold is produced. The sheets are delivered on to one or other or .both of two stacking-devices from rollers 102, 103 arranged below the folding-rollers. The stackers are similarly constructed, and either may be raised to receiving position by moving it along dovetailed guides 144, Figs. 18 and 21, on the frame 2, a screw 145 locking the table 142 of the stacker in its adjusted position. In addition to the table 142, each stacker comprises a pusher 164, which is attached to a spring- controlled rod 159 actuated by sector gearing from a lever controlled by a cam which is splined to a shaft 150 driven by bevel gearing, which may be fitted with a clutch or variable gear for freeing the shaft 150 or driving it at various speeds. The pusher 164 pushes the sheets past spring-controlled stops 171, which retain the bottoms of the sheets as the pusher returns, and one side of the sheets is retained by a bent edge 168 on a side plate 169 adjustably secured to the table. Should the edges not be held by this bent edge 168, they are adapted to be held by a spring-controlled deflector 173 carried by a square bevelled plate 175, which can be set so as to act for a lateral or downward delivery. This deflector prevents a sheet from being inserted into the previous sheet. The front of the pile is pressed against weights which can slide on the table, and the lateral position of the sheets is controlled by an adjustable stop carried by the pusher 164.