Year: 1894

page_text: Because the eccentric (m) and the ratchet-wheel (1) are geared loosely rotatory
on the shaft of the cleansing drum (A), this cylinder (A) would of its own weight
and that of the adjunctive mechanism sink too quickly. To prevent this, in the
moment when the cleansing drum (A) is beginning to descend, a second latch (k¹)
which is firmly connected with the latch (k) catches in the notch (o¹). Through
that, a too quick downward gliding of the eccentric (m) to the cylinder (n) is
prevented. Owing to the catching of the latch (k¹) in the notch (o¹) the eccentric
must follow the slower movement of the ratchet-wheel, whereby the hollow (o) is
slidden slowly to the cylinder (n) and the mechanism also sinks slowly. The
raising and lowering of the cleansing mechanism must occur in the same interval
that the ratchet-wheel takes to move one tooth further.
Above the latch (k) a pin (p) is fixed which prevents the left-hand prolongation
of this latch (¹) from catching in the notch (o') when the mechanism is lifted. If
however the entire mechanism and with it the latch (¹) sinks, the latter can catch
in the notch (o¹). The duration of the time of cleansing the carding comb, etc.,
is determined by the action of the hollow (o) and the cylinder (n). Further
rotation of the eccentric (m) brings the higher portion of the same
cylinder (n), wherethrough the cleansing-drum rises.
on the
The intervals in which the cleansing is effected can be determined as desired by
exchanging the endless screw (e) and the worm-wheel (f). The bearings of the
roller-brush (B), which are variable, and those of the comb (C) are connected with
the lever (a) and rise and fall with it.
In Figure 3 the mechanism is the same as before mentioned except that the
chain-wheel and the endless screw are altered and another ratchet-wheel is added.
The chain-wheel (a b), besides, is geared loosely on the shaft of the cleansing-
drum (A) and has coupling-rabbets (a c) and (a'd) on both sides. The left-hand
rabbets (a c) which catch in the rabbets of couplings (a c¹) of the endless screw
have a double breadth in order that the coupling inay remain constantly interlocked.
The coupling (a c¹) of the endless screw is also fitted loosely on the shaft (A). On
the right-hand side of the chain-wheel (a b) the coupling rabbets (a d) are only
short and catch in a fast-geared ratchet-wheel (a) provided with coupling rabbets.
The in-and-out jolting or pulsing ensues from the raising and lowering of the
cleansing-drum (A) by means of a lever (2) and a tappet (x) which tappet is fixed
on the eccentric (m).
When the cylinder (A) is depressed and begins to cleanse the carding-comb, the
tappet (c) presses at the same moment on the lever (2) and the chain-wheel (a b)
presses on the coupling of the ratchet-wheel (af) whereby the cylinder (A) is
given a rapid rotatory motion during the cleansing operation. When the
cleansing-drum (A) is lifted the lever (2) loses the pressure of the tappet (x) and
a spiral spring (9) presses the chain-wheel out of the coupling-rabbets of the ratchet-
wheel (a) and deeper into the coupling rabbets of the endless screw which
continually works, and the cleansing-drum (A) then makes only one revolution in
the space of time when it is not cleansing.
The ratchet-wheels (af) and (a ff) are provided with latches as described in
the prior explanation of Figure 3, and otherwise nothing else is changed.
It may finally be remarked that the mechanism of the apparatus can also be
easily arranged that the drum (A) shall rotate only during the cleansing process
and then stand still, the machine-service only continuing in motion.
Dated this Ninth day of October 1894.

page_text: COMPLETE SPECIFICATION.
Improvements relating to Carding Machines.
I, FRANZ XAVER ZETTLER, of Zell, on the Wiese, in the Grand Duchy of
Baden, Germany, Factory Manager 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 :-
J
This invention has for its object the regular cleansing of the main cylinder and
doffers of carding machines at regulated periods without injury to them.
The cleansing apparatus consists of a cylinder (A), with attachments, rotated by
a portion of the general motive power in use, which is brought sufficiently near the
machine (tambour) at regular periods for a certain regulated duration of time and
cleanses the cylinder,
The drawing left with my Provisional Specification shows :—
Figure 1-the scheme of arrangement.
Figure 2-side view,
Figure 24 side view at the moment when the cleansing apparatus begins to sink.
Figure 3 the front view.
Figure 3 the front view of a second combination which is 'only used for
quick-revolving drums, and is but a slightly modified form of the original wheelwork
shown in Figure 2.
3. I
The waste accumulated in the comb of the drum (F) is taken off by the teasel or
comb of the cleansing cylinder (A), Figure 1, and by means of a fast-running
roller-brush (B) dislodged from the latter and struck into the teeth of a stationary
comb (C) whence it is easily removed by hand.
A tray (D) is set under the roller-brush so that no refuse can fall from it or the
stationary comb on the machine.
When wool is being carded the plush-covered roller (E) presses back any fibres
of wool which may project. The raising and lowering of the cleansing cylinder or
drum (A), Figures 1 and 2, is effected in the following manner :-
The cleansing-drum (A) driven from a convenient roller of the machine by
means of chains or belts, is set both sides on the lever-arms (a) which are firmly
connected with the shaft (b) which turns in the bearings (d).
On the gudgeon of the cleansing-drum (A) an endless screw (e) is fitted tight
which catches in the worm-wheel (f) which ends in a triangular eccentric (g) by
means whereof through the rotatory motion the frame (h) is moved up and down.
The frame (h) is connected with an angled lever () on the end of which a
latch (k) is fitted. This latch catches a loosely geared ratchet-wheel (2) which
is fixed on the shaft of the cleansing cylinder (A) and is actuated in jolts or
pulsings.
With the ratchet-wheel (1), the notched disc (m) is firmly connected, but
variable through the coupling (11) and lies on the cylinder (n) which on the
bearing (d) is fixed adjustably.
.
The coupling enables the ratchet-wheel to be placed in the exactly right 'position
in relation to the eccentric before connecting. Through the firm connection of the
bearing lever (a) the cleansing cylinder (A) is carried by the cylinder (n). By
means of the pulsating rotatory movement of the notched disc (m) the hollow (o)
on it (the notched disc) reaches the cylinder (n) and in consequence the cleansing
drum (A) sinks and cleanses the main cylinder.
Because the notched disc (m) and the ratchet-wheel (1) are geared loosely
rotatory on the shaft of the cleansing-drum (A), this cylinder (A) would of its own
weight and that of the adjunctive mechanism sink too quickly. To prevent this,
in the moment when the cleansing-drum (A) is beginuing to descend, a second

page_text: latch (¹) which is firmly connected with the latch (k) catches in the notch (o').
Through that, a too quick downward gliding of the notched disc (m) to the
cylinder (n) is prevented. Owing to the catching of the latch (41) in the notch (o¹)
the notched disc must follow the slower movement of the ratchet-wheel, whereby
the hollow (o) is slidden slowly to the cylinder (n) and the mechanism also sinks
slowly.
The raising and lowering of the cleansing mechanism must occur in the same
interval that the ratchet-wheel takes to move one tooth further.
Above the latch (k¹) a pin (p) is fixed which prevents the left-hand prolongation
of this latch (k¹) from catching in the notch (o¹) when the mechanism is lifted. If
however the entire mechanism and with it the latch (¹) sinks, the latter cap catch in
the notch (o). The duration of the time of cleansing the cylinder, etc., is determined
by the action of the hollow (o) and the cylinder (n). Further rotation of the
notched disc (m) brings the higher portion of the same on the cylinder (n),
wherethrough the cleansing-drum rises.
The intervals in which the cleansing is effected can be determined as desired by
exchanging the endless. screw (e) and the worm-wheel (f). The bearings of the
roller-brush (B), which are variable, and those of the comb (C) are, connected
with the lever (a) and rise and fall with it.
In Figure 3 the mechanism is the same as before mentioned except that the chain-
wheel and the endless screw are altered and another ratchet-wheel is added. The
chain-wheel (a b), besides, is geared loosely on the shaft of the cleansing-drum (A)
and has coupling rabbets (a c) and (ad) on both sides. The left-hand rabbets (ac)
which catch in the rabbets of couplings (a c') of the endless screw have a double
breadth in order that the coupling may remain constantly interlocked. The
coupling (a c) of the endless screw is also fitted loosely on the shaft (A). On the
right-hand side of the chain-wheel (ab) the coupling rabbets (ad) are only short
and catch in a fast-geared ratchet-wheel (af) provided with coupling rabbets.
The in-and-out jolting or pulsing ensues from the raising and lowering of the
cleansing-drum (A) by means of a lever (-) and a tappet () which tappet is fixed
on the notched disc (m).
When the cylinder (A) is depressed and begins to cleanse the carding-comb, the
tappet (2) presses at the same moment on the lever (2) and the chain-wheel (ab)
presses on the coupling of the ratchet-wheel (af) whereby the cylinder (A) is
given a rapid rotatory motion during the cleansing operation. When the
cleansing-drum (A) is lifted the lever (2) loses the pressure of the tappet (*) and
a spiral spring (9) presses the chain-wheel out of the coupling-rabbets of the
ratchet-wheel (af) and deeper into the coupling rabbets of the endless screw
which continually works, and the cleansing drum (A) then makes only one
revolution in the space of time when it is not cleansing.
"
The ratchet-wheels (a.f.) and (a.f.f) are provided with latches as described in
the prior explanation of Figure 3, and otherwise nothing else is changed.
The apparatus lies about 30 centimetres above the carding machine, its feet
being fastened on the frame thereof as the accompanying drawing shows.
The cleansing operation is effected while the machine is in motion and the
carding operation is never interrupted.
The chain-wheel (a. b.) continually rotates and the coupling-rabbets (a. c.) on
the chain-wheel interlock always with the coupling-rabbets on the worm (e)
whereby the worm (e) is driven continuously.
The worm (e) fits loosely on the axle of the drum (A) and the first drives the
worm-wheel (f) which ends in a triangular eccentric and, through the frame (h),
the ratchet wheel which is fixed to the drum (A) with a jolting motion whereby
the drum (A) also rotates.
The second ratchet-wheel (a. f.f) is only employed with an increased velocity of
the carding engine and has more teeth than the first ratchet wheel.
The lever Z is correctly placed in the drawing filed herewith. It serves to push
the coupling-rabbets (a. d) in and out and works on the pivot u Z.

page_text: It may finally be remarked that the mechanism of the apparatus can as will be
easily arranged so that the drum (A) shall rotate only during the cleansing process
and then stand still, the machine-service only continuing in motion.
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 self-acting cleansing appliance for doffing cylinders and drums of carding
machines, its special feature being a cleansing cylinder (A) which in adjustment
with a disc (m) furnished with a notch (o) and a cylinder (n), is caused to sink at
regulated intervals to such doffing cylinders and drums and to cleanse them.
Dated this Nineteenth day of August 1895.
FRANZ XAVER ZETTLER,
Per pro C. Kluger,
Patent Attorney.
FRANZ XAVER ZETTLER,
Per pro C. Kluger,
Patent Attorney.