An Improved Leather Toe Cap Machine.
Year: 1889

page_text: Date of Application. 28th June, 1889-Accented, 3rd Aug.,
1889
An Improved Leather Toe Cap Machine.
I FRIEDRICH AUGUST KEIL Manufacturer of Arnstadt Thuringen in the Princi-
pality of Schwarzburg-Sondershausen and German Empire do hereby declare the
nature of this invention and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement :-
This leather toe cap machine has for its object to form (by bending) a folded edge
or flange about 2 centimeters wide upon a loather disc cut the size of a cap and
previously softened in water this being effected in the most regular manner and to
further divide (likewise as regularly as possible) the flanges thus formed on the leather
upon their periphery and to impart at the same time a cap like shape to the leather.
The machine shown in front elevation in Figure 1 in end elevation in Figure 2 and
in plan in Figure 3 consists of two standards a mounted upon a wooden frame or a strong
table and fixed to the cover plate 6 by means of screws. Upon the standards are
mounted two bearings designed to carry the shafts c¹ and c³. On one end of the
shaft c are mounted a pulley x as well as the toothed wheel e the latter gears with the
toothed wheel keyed upon the shaft cl. The two shafts c¹ and c³ rotate in opposite
directions. Upon the other end of the shaft c¹ is mounted a disc g having a conical
surface provided with teeth and shown on a larger scale in Figures 6 and 7 this disc
having its motion within the frame and being pressed against the bottom disc / fixed
to the shaft c. This pressure take place in the longitudinal direction of the shaft c¹
and consequently towards and against the conical surface of the disc h by the action of
the spiral spring o arranged between the standard and the toothed wheel fand in a
perpendicular direction and consequently against the horizontal part of the bottom
disc h and at the same time against its conical surface by means of the strong spring m
fixed to the cover plate and having one of its extremities resting upon the bearing d.
For this purpose the said bearing d is rendered capable of moving between suitable
guides.
To the bearing d is fixed by means of two screws the finger n shown in Figures 10,
11 and 12. The same moves with the bearing with the shaft c' resting thereon as well
as with the disc g mounted on the latter shaft in the directions above mentioned so that
the top of the said finger n comes to bear tightly and constantly upon the disc J.
Reference is made on this point to Figures 4, 5 and 11. The frame & Figures 8 and 9
has a hollow part for the reception of the disc g which is furnished with knife edges
at pl and p². The knife edge p' bears upon the conical surface and the knife edge p²
bears upon the horizontal surface of the bottom disc h.
The leather piece cut the size of a cap is introduced at i between the discs g and h
so that the straight edge thereof is seized or gripped by the teeth of the disc g and is
drawn firmly against the conical surface of the bottom disc in consequence of the
pressures of the spiral spring o and of the spring m regulated automatically according
to the thickness of the leather.
The teeth of the disc g and the action of the pressure exerted between the said disc
and the bottom disc h push the leather in the angle formed by the cutting edges of
the frame & between pl and p². The edges thereof resting upon the disc / prevent the
leather from slipping forward upon the disc in the direction of its motion and take it up
instead in the said angle within the frame and this angle produces the in bending
of the leather edge while the teeth of the disc g operate at the same time the
division of the folds formed while the same is being bent. The leather thus driven
in a circular direction in the frame k by the discs g and h is moved away from
the disc g by the point or top of the finger n resting upon the said disc g and
has now the round form and bent in edge desired to be given and by means of

page_text: which is manufactured the finished toe cap after having been subjected to the action
of a leather cap press such as that which forms the subject matter of another
invention for which I am making application for Letters Patent.
There is no necessity in this cap bending machine of special shapes which may
appear requisite on account of the difference in the size of the caps.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
A leather cap bending machine in which two shafts c¹ and e² carried perpendicularly
above one another upon bearings mounted in the standards a a and driven in opposite
directions by the toothed wheels e and fimpart the necessary motion to the discs
and operating upon the caps in such a manner that the shaft c' is subjected to the
action of the spring
m in a perpendicular direction and to that of the spiral spring o in
a horizontal direction so that leather of any suitable thickness cut in the form of a cap
and introduced at i between the disc g and leaves the machine with an edge formed
correspondingly to the shape of the teeth of the disc g by the action of the frame kand
of the finger n substantially as herein before described and represented in the drawings
hereunto annexed.
Dated this 28th day of June 1889.
TONGUE & BIRKBECK,
34, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicant.