Improvements in Mechanism for Folding Paper Strips and the like.
Year: 1897

page_text: Improvements in Mechanism for Folding Paper Strips and the like.
I, WILLIAM CARTER, of 62, Bothwell Circus, Glasgow, Lithographic Printer, do
hereby declare the nature of this invention to be as follows:-
This invention relates to mechanism for folding paper strips and the like for use
as book guards or for similar purposes.
In carrying out my invention I arrange the mechanism in such a manner that
the flat strip of paper or the like, which is to be folded, passes along between two
metal guide pieces which are preferably made so as to be adjustable to various
widths of paper.
At one end these guide pieces are constructed so as to have a
downwardly inclined face or part. From the guides the paper strip passes between
horizontally arranged friction rollers carried in brackets which may be bolted or
otherwise secured to the table or the like to which the mechanism is attached.
The upper of these two rollers is preferably made adjustable by being centred in
two movable blocks which work in the brackets aforesaid. A plate or other spring
bears on the two blocks and its pressure can be adjusted by means of a hand wheel
and screwed spindle arrangement.
After the strip of paper has passed through the friction rollers it is conducted to
a guide which is preferably made in two parts and so shaped or bent that as the
paper is passed through it it is folded or bent into the shape desired. Thereafter
the folded strip of paper is passed through another set of rollers revolving in a
vertical plane and which may also have a spring adjustment and be driven by
means of toothed or other gearing. These rollers complete the folding or bending
operation.
The mechanism may be driven by means of a treadle or like arrangement or by
power.
Doted this 18th dor of November 1907
Improvements in Mechanism for Folding Paper Strips and the like.
I, WILLIAM CARTER, of 62, Bothwell Circus, Glasgow, Lithographic Printer,
do hereby declare the nature of this invention and in what manner the same is
[Price 8d.]

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to be performed, to be particularly described and ascertained in and by the following
statement—
This invention relates to mechanism for folding paper strips and the like for use
as book guards or for similar purposes.
And in order that my said invention may be properly understood I have hereunto
appended an explanatory sheet of drawings, whereou the same reference letters,
wherever repeated, indicate the same parts.
Fig. 1 is a longitudinal section of the mechanism taken on the line A, A,
Fig. 2.
Fig. 2 is a plan of the same.
Fig. 3 is a cross section, of the mechanism, to au enlarged scale, taken on the
line xx Figs. 1 and 2.
Fig. 4 is a cross section of the mechanism, to an enlarged scale, taken on the
line y y and looking in the direction of the arrow, Fig. 2.
Fig. 5 is a detail sectional view of the folding guide taken on the line t t Fig. 2.
In carrying out my invention I arrange the mechanism in such a manner that
the flat strips of paper, or the like, which is to be folded, passes along between
two metal guides a, b, which are, preferably, made with lugs or the like c, c¹, c², c³,
having slots d, d¹, d², d³, so that the guides can be adjusted to suit various widths
of paper. The guides are bolted to the table e by means of bolts f, f¹, ƒ², ƒ³, pro-
vided with butterfly nuts g, g¹, g², g³. From the guides a, b, the paper strip passes
between friction feed-rollers h, i, (see also Fig. 4) carried by a bracket frame B which
may be screwed, bolted, or otherwise, secured to the table e to which the mechan-
ism is attached. The upper roller is, preferably, made adjustable by having its
axle h¹ centred in two movable blocks l, m, which work in slots l¹, m¹, made in the
brackets j, k, of the frame aforesaid. A. plate or other spring n bears on the two
blocks and its pressure can be regulated by means of a screwed spindle o or an
equivalent device.
The wheel, i, is fitted on the shaft i, carried in the bearing brackets j¹, k¹, and
whose tail end carries a bevel wheel w¹.
The strip of paper is fed forward by the friction rollers h, i, to a folding guide C
having upright sides p, q, and which is so shaped as shown at Figs. 2, 4, and 5, that,
as the paper is passed through it, it is folded or bent into the shape desired.
As will be seen, Figs. 2 & 5, the guide C which is preferably, as shown, made one
with the frame B, has a wide entrance or mouth with sloping walls or sides which
latter gradually converge until they form a narrow vertical opening C¹ at the
delivery end. By making the folding guide in this manner the paper strip, as it
passes through it, is folded. q¹ is a cover plate which prevents the paper strip
rising up out of position whilst being folded in the guide. This cover q¹ is pro-
vided with a depending tongue q² that holds the paper in proper position whilst
passing through the guide. From the folding guide, the folded strip of paper
passes through another set of vertical rollers, 8, (see Fig. 3) which complete the
folding operation. These rollers r, s, are driven by means of toothed gearing u
actuated by means of a shaft v and bevel gear w, driven from the shaft y, which
latter is operated by means of the pulley z, and band 23 of the treadle mechan-
ism z¹, z². The bevel wheel w², on the shaft y, drives the bevel wheel w¹ on the
shaft i¹.
The apparatus may be driven by means of a treadle or like arrangement as shown,
or by power.
If desired the table e may, as shown, be provided with a folding flap el.
By means of this apparatus flat strips of paper can be quickly folded
longitudinally.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I consider novel and desire to claim is

page_text: 1. Mechanism for folding paper strips and such like constructed and arranged
substantially as herein before described with reference to the drawings annexed.
2. The folding guide (C) substantially as herein before described with reference
to the drawings annexed.