Improvements in Napping Machines.
Year: 1896

page_text: Date of Application, 13th Feb., 1896-Accepted, 16th May, 1896
COMPLETE SPECIFICATION.
Improvements in Napping Machines.
I, ERNST SCHWEINEFLEISCH, of Finishing Works, Muhlhausen, Thuringia, in
the Empire of Germany, Fabric Finisher, 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 invention has reference to a construction of napping-machine in which on a
main napping-drum there are mounted separate cylinders, which are covered with
card-clothing so as to form artificial teazles, are arranged at angles to one another
and are arranged to be rotated about their own axes by the rotation of the main
napping-drum.
Fig. 1 of the accompanying drawings shows a longitudinal section through the
main drum of a napping-machine according to this invention;
Fig. 2 is a plan of the napping-machine, only a few of the separate napping-
cylinders being shown; and
Fig. 3 is an end elevation showing the gear for driving the napping-cylinder.
Figs. 4, 5 and 6 illustrate a modified form of gearing for driving the napping-
cylinders.
On the main napping-drum a there are mounted with their axes in or outside of
its periphery, the napping-cylinders b, which are covered with card-clothing and
are continuously rotated so that they continually present fresh portions of their
clothing to the article whose nap is to be raised. The cylinders are arranged at
angles to one another (see Fig. 1) and each of them is rotated, in the example
represented in Figs. 1 to 3, by means of a chain c and two chain-wheels d and e,
one of which-viz. d-is fixed on the axle of the napping-cylinder b, whereas the
other e is mounted on a shaft f arranged parallel to the axle g of the napping-drum a.
The shafts fare arranged around the axle g and are rotated by means of a fixed
internally toothed wheel and pinions i, when the main drum a is rotated. The
chain-gear c d e ensures light and reliable driving even though the axles of the
cylinders bare arranged at an angle to the shaft f.
In the modified form of driving-gear shown in Figs. 4 to 6, the countershafts f
are driven, not by means of toothed wheels i and h, but by means of belt pulleys i', ¹
(the latter of which is fixed on the main shaft g) and a belt 2. Furthermore, instead
of the chain-gear c d e, helical wheels e' d' are employed for transmitting the motion
from the countershafts to the napping-cylinders b.
By employing stepped or coned belt-pulleys instead of the plain belt-pulleys i, h',
the speed of the motion can be varied as desired. Napping-machines of the kind
hereinbefore described are distinguished by excellence of working and by the large
extent of their continually changing napping-surfaces.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. A napping-machine having napping-cylinders 6 that are arranged at an angle
to one another, are mounted with their axes in or outside of the main drum a and
are driven by chain-gear c d e from countershafts f arranged parallel to the axle g
of the main-drum, substantially as hereinbefore described with reference to the
drawings.

page_text: 2. A napping-machine of the kind specified in the preceding claim, but in which
belt-gearing is employed for driving the countershafts fand helically toothed
gearing de¹ is provided in lieu of the chain-gear cd e, for driving the napping-
cylinders, substantially as described and shown.
Dated this 13th day of February 1896.
F. WISE HOWORTH,
46, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.