Improvements in Apparatus for Stripping or Napping-machines.
Year: 1896

page_text: Date of Application, 26th June, 1896
Complete Specification Left, 2nd Mar., 1897-Accepted, 5th June, 1897
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Stripping or
Napping-machines.
Cleaning
I, ERNST SCHWEINEFLEISCHI of Mühlhausen, Thüringia, Gerinany, Manu-
facturer, do hereby declare the nature of this invention to be as follows:-
This invention relates to apparatus for cleaning napping-machines, and has for
object to strip the fluff out of the teazle: in such a manner that the natural
roughness of the teazles shall not be injuriously affected or the teeth of the card-
clothing of artificial teazles be bent or deformed thereby.
A stripping apparatus according to this invention comprises a drum that revolves
with a peripheral velocity equal or corresponding to that of the teazles to be cleaned
and is formed by bars which are provided with stripping-clothing and are suitably
guided so that they can be moved longitudinally as regards the drun by means, it
may be, of rising and abruptly declining curved guides fixed to the framing of the
drum and be afterwards quickly brought back to their normal position by means it
may be of springs that have been strained by the previous movement, the
arrangement being such that the stripping teeth of the bars are caused to pass
through the spaces between the teeth of the teazles, and as they are rearwardly
inclined, thereby throw out the napping fluff that has been combed out by the
napping teeth.
I will describe the apparatus as arranged for stripping a mapping-machine fitted
with artificial teazles arranged obliquely to one another and not parallel, but at a
For completely stripping
slight inclination, to the axis of the main napping-drum.
such a machine it is necessary that the clothing of the stripping drum should have
a velocity corresponding to the velocity of the artificial teazles, in order that the
several teeth of the card clothing of the stripping drum shall pass through the
spaces between the teeth of the artificial teazles and the direction of rotation of
the stripping drum must be such that the paths described by a row of teeth of the
stripping drum and the artificial teazles during their rotation shall be alike or
correspond.
In order to effect the cleaning, there is provided stripping-clothing with long
teeth, which is mounted on the bars of the stripping drum. By the rotation of the
drum the bars are moved automatically by means of an inclined guide, longitudinally
to the teazles to be cleaned. When a bar is released by the said guide, a spring
causes the stripping clothing to move back automatically, in such a manner that the
rearwardly inclined stripping teeth enter in between the card teeth of the artificial
teazles and strip the fluff from out thereof without injuriously affecting the
teazles.
The artificial teazles of the napping machine may be driven by means of toothed
wheels or pinions, and chains from intermediate shafts which are driven in a
suitable manner from the main shaft. Every two rows of successively situated
artificial teazles are arranged obliquely to each other.
The stripping-apparatus carries upon its drum whose axle is driven by a puiley
from a pulley
on the axle of the main napping drum, bars which are mounted on
guide-slots in the drum. Upon these bars stripping clothing is mounted in the
manner described. In the interior of the drum the springs are provided. During

page_text: the rotation of the stripping drum, noses on the carriages slide against annular
helical or other suitable cams which are fixed on the framing of the machine.
When the stripping drum rotates, the rotary motion causes the bars, and with them
the stripping clothing, to move longitudinally to the drum, they being, as it were,
drawn out from the drum in one direction and the spring becoming strained.
Each cam has an abruptly declining edge, and when the nose of a carriage
arrives thereat, the corresponding spring causes the carriage, and consequently
also the corresponding bar, to move back suddenly, and the stripping clothing
thereof to pass through the spaces of the teeth of the corresponding teazle.
The apparatus is so constructed that the teeth have a backward inclination, so
that the spaces of the teeth of the teazles are cleaned without the extracted fluffs
entering the stripping clothing.
As the teazles or strippers are arranged obliquely to one another, the bars are
also so arranged that the clothing of oue bar cleans when moving in one direction
and that of the next following bar cleans when moving in the reverse direction.
There are also provided on both sides guides and springs such as above referred to,
but acting in opposite directions for the purpose of causing the clothing of some of
the bars to traverse the spaces of the teeth of the teazles in the direction contrary
to that of the clothing of others of the bars. The bars, which are arranged side
by side obliquely to one another or apart, are thus caused to act alternately in a
continuous manner. One bar cleans in one direction, and the next following bar
cleans in the opposite direction. By this means the artificial teazles, which are
arranged obliquely to one another can be cleanel without damage to their teeth,
and without the fluffs being taken up by the stripping teeth of the cleaning
apparatus.
Dated this 26th day of June 1896.
Improvements in Apparatus for Stripping or Cleaning
Napping-machines.
I, ERNST SCHWEINE FLEISCH, of Mühlhausen, Thüringia, Germany, Manu-
facturer, 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 relates to apparatus for cleaning napping-machines, and it has for
object to strip the fluff out of the teazles in such a manner that the natural
roughness of the teazles shall not be injuriously affected or the teeth of the card-
clothing of artificial teazles be bent or deformed thereby. A stripping apparatus
according to this invention comprises a drum adapted to revolve with a peripheral
velocity equal or corresponding to that of the teazles to be cleaned and is formed
by bars which are provided with stripping-clothing and are suitably guided so that
they can be moved longitudinally as regards the drum by means, it may be, of
curved guides or cams fixed to the framing of the drum and be afterwards quickly
brought back to their normal positions by means, it may be, of springs that have
been strained by the previous movement, the arrangement being such that the
stripping teeth of the bars are caused to pass through the spaces between the teeth
of the teazles, and, as they are rearwardly inclined thereby throw out the fluff that
has been combed out by the napping teeth.

page_text: I will describe the apparatus as arranged for stripping a napping-machine fitted
with artificial teazles arranged obliquely to one another and at a slight inclination,
to the axis of the main napping-drum. For completely stripping such a machine
it is necessary that the clothing of the stripping drum should have a velocity
corresponding to the velocity of the artificial teazles, in order that the several teeth
of the card clothing of the stripping drum shall pass through the spaces between
the teeth of the artificial teazles and the direction of rotation of the stripping drum
must be such that the paths described by a row of teeth of the stripping-drum
and the artificial teazles during their rotation, shall be alike or correspond.
In the accompanying drawings,
cross section
Fig. 1 shows in longitudinal vertical section, taken in different planes, stripping
apparatus constructed according to this invention. Fig. 2 is a
thereof, the section being taken in different planes.
Fig. 3 is a cross section showing the stripping apparatus combined with a
napping machine, and Fig. 4 is a part horizontal section thereof.
a is the stripping clothing inade with long teeth and fixed on the bars 6 which
form the periphery of the stripping drum h. These bars are each so mounted on
the stripping drum that as the drum revolves, they are moved automatically and
longitudinally to the teazles to be cleaned by a cam d against the action of a
spring c, which when the bar b is released by the said can causes the stripping
clothing a to move back automatically in such a manner that the rearwardly
inclined stripping teeth enter in between the card teeth of the artificial teazles e
and strip the fluff from out thereof without injuriously affecting the teazles.
The artificial teazles of the napping-machine may as in the example shown be
driven by means of toothed wheels or pinions g, g¹ and chains g' from intermediate
shafts g which are driven in a suitable manner from the main shaft g*.
In the example shown, each shaft g³ is mounted in the end walls of the napping
drum upon which the teazles e are mounted and is driven by a toothed wheel g
that gears with a fixed internally toothed ring ground which the wheel 9 is
carried, and thereby rotated, by the motion of the said drun. Every two
successive rows of artificial teazles el e² (Fig. 3) are arranged obliquely to each
other on the periphery of the napping drum.
In the example shown, the stripping drum is provided with two series of
stripper bars vis. b b arranged alternately around the drum, the teeth of the card
clothing a on one series of bars inclining backwardly in an opposite direction to
that on the other series of bars. Each bar is fixed upon a carriage which is in
the form of a bar, arranged to slide endways in a guideway in the drum h, and
connected to one end of a spring c or e' located within the drum and the other end
of which is fixed to the end wall of the drum. The outer end of each slide bar is
provided with a projection arranged to slide against the edge or surface of a
circularly arranged cam d or d', fixed on the framing of the machine at the corre-
sponding end of the stripper drum . This drum is rotated but in the opposite
direction to the napping drum in such a manner that the circumferential velocity
For this purpose
of the stripping clothing a is the same as that of the teazles e.
the pulley k on the shaft i of the stripping drum may be driven from a pulley k
on the shaft g of the napping drum through a crossed belt .
By the construction described when the stripping drum h rotates, the rotary
motion causes the carriages or slide bars and with them the bars 66 and stripping
clothing a, to move longitudinally on the drum, these parts being drawn outward
from the drum in one direction or the other by the cams d against the action of the
springs c. Each cam d has an abruptly declining edge m and so that when the
projection of a carriage or slide bar b arrives thereat, the corresponding spring c
or c will cause the carriage or slide and consequently also the corresponding
bar b to move back suddenly, and the stripping clothing a thereof to pass, through
the spaces between the teeth of the corresponding teazle e. As the teeth of the
stripping clothing a have a backward inclination the spaces between the teeth of

page_text: "the teazles e will be cleaned without the extracted fluff entering the said stripping-
clothing.
As the teeth of the stripping clothing a is inclined in an opposite direction to the
teeth of the stripping clothing a', the bars b, b' are so arranged that the clothing a
of one bar viz. b, cleans when moving in one direction viz. from left to right in
Fig. 1, and that riz, a of the next following bar & cleans when moving in the
reverse direction, viz. from right to left in Fig. 1. It is for this reason that
-cams d d are provided at both ends of the drum h and that there are two sets of
springs viz. c c acting in opposite directions so that the clothing a¹ of the bars b¹
will traverse the spaces between the teeth of the teazles e in the direction contrary
to that of the clothing a of the bars b. The bars b, b' which are arranged side by
side around the stripping drum are thus caused to act alternately in a regular and
continuous manner, one bar cleaning when moving in one direction, and the next
following bar cleaning when moving in the opposite direction. By this means
the artificial teazles e can be cleaned without damage to their teeth, and without
the fluff being taken up by the stripping teeth of the cleaning apparatus.
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. For stripping or cleaning napping machines, stripping apparatus comprising a
drum carrying a number of bars that are provided with stripping clothing having
inclined teeth and are suitably guided so that they can be moved longitudinally as
regards the drum by means of stationary cams against the action of springs which,
when the bars are released, serve to bring them quickly back again in such a
manner that the teeth of the stripping clothing on each bar in succession are
caused to pass through the spaces between the teeth of the teazles of the napping
machine and thereby throw out the fluff held by such teeth, substantially as
.described.
2. The combination with a napping machine provided with artificial. teazles
arranged around the napping drum in longitudinal rows each adjacent two of
which are inclined to one another, of stripping apparatus of the kind referred to in
the preceding claim having stripping clothing a a' arranged to act alternately in
opposite directions and the peripheral velocity of which corresponds to that of the
teazles to be stripped or cleaned substantially as described..
3. Apparatus for stripping or cleaning napping machines constructed arranged
and operating as hereinbefore described with reference to and shown in the
drawings annexed.