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Патент USA US3047922

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Aug- 7, 1962
G. FLEISSNER
MEANS F
S
PROCESSING LONG A
LED FIBR
Filed 001..
‘
3,047,911
SHORT
MATER
, 1958‘
INVENTOR
GEROLD FLEISSNER
BY 71%, M 1m
ATTORNEYS.
Patented Aug. 7, 1952
2
construction, being provided on its periphery with prongs
3,tl47,911
or elements 15 and being driven in a conventional man
ner for rotation in the direction of the arrow 16.
MEANS FOR PRUCESEEING LONG AND SHORT
?TAlPLED FEERGUS MATERIAL
Gerold Fleissner, Wolfsgartenstr. 6, Egelshach, Germany
Filed Get. 31, 1958, Ser. No. 771,105
Claims priority, application Germany Mar. 19, 1958
7 Claims. (Cl. 19-96)
Pursuant to an important aspect of the present inven
tion provision is made to operatively selectively inter
pose pairs of clamping rollers of different diameters be
F1
0
tween the conveyor id and the drum 2 so as to accommo
date the particular staple length of the ?brous material.
The present invention relates, in general, to means for
processing ?brous material and, in particular, -to a pluck
ing or opening apparatus for treating and opening ?brous
For example, and not by way of limitation, it may be
desirable to use large diameter clamping rollers for long
stapled material and small diameter clamping rollers for
sheet material.
short-stapled material. In this connection, the carriage
l is provided with a pair of large diameter clamping
'
It is an object of the present invention to provide means
contributing to a highly ef?cient opening apparatus for
rollers 3 and a pair ‘of small diameter clamping rollers
4 so that either pair of rollers may be selectively guided
and adjusted in proper position, as closely as possible to
the periphery of the drum, and between the latter and
processing both long-stapled and short-stapled ?brous
material. In carrying out the invention it is [desirable
to use small diameter rollers for clamping and feeding
short~stapled ?brous material and large diameter rollers
the discharge end of the conveyor 10.
‘In order to ef
for clamping and feeding long-stapled fibrous material.
fect the reciprocation of the carriage in the direction
As can be readily understood, small diameter rollers have
relatively sharp contact areas while the larger diameter
rollers have relatively duller contact areas. Hence, if
of the ‘arrows 17 the latter may be provided with any
suitable driving mechanism. Any suitable and conven
tional means for adjusting the position of the rollers 3
and the rollers ‘4 may be employed, which particular ad
long-stapled ?brous materials are fed onto small di
justment means form no special part of the invention and
ameter rollers, the sharp contact areas will serve to pull
and tear the long ?bers in an undesirable manner while, 25 are not illustrated. Further, the rollers may be driven
by an conventional means, not illustrated.
when using large diameter rollers with short-stapled ?b
For example, ‘as shown, provision is made for a hand
rous material, many of the ?bers of short length will not
wheel or handle 5 of the star type conventionally formed
be engaged by the clamping means and hence a large per
of crossed rods and provided with a gear 18 which en
centage of the ?bers will not be opened.
gages a rack ‘6 to which there is affixed the plate 19 which
It is another object of the present invention to provide
mounts the paired rollers so that rotation of the handle
means conducive to an ef?cacious and economical clamp
5 in opposite directions, as indicated by the arrows 2%,
ing arrangement having provision to selectively accom
will effect the reciprocation of the carriage. More speci?
cally, clockwise rotation of the handle, viewing FIG. 1,
modate both long-stapled and short-stapled ?brous sheet
material.
It is a further object of the present invention to provide
an opening apparatus having ?xed clamping means which,
nevertheless, can accommodate selectively both long
will move the carriage toward the upper end of the draw
' ing.
Such movement will move the large rollers 3, for
long~stapled material, away from the operative illustrated
disposition thereof and will move the smaller rollers 4,
for short-stapled material, from the illustrated inoperative
It is a still further object of the present invention to
provide an opening apparatus which can accommodate 40 disposition thereof into the operative position occupied by
the rollers 3. It will be understood that suitable stops
selectively both long-stapled and short-stapled ?brous
are provided for movement of the carriage 1 in each
material and which is of generally simpli?ed construc
direction so that each pair of rollers is automatically
tion and which can be manufactured and sold at a rela
stapled and short-stapled ?brous material.
tively low price. >
.
45
brought into operating position, provision being made to
releasably lock the carriage in each operating position
These and other objects of the invention will become
thereof. The reference character A of FIG. 1 designates
further apparent from the ‘following detailed description,
screws which, in a known manner, can clamp the slide 1
reference being made to they accompanying drawing
in any position along the rack 6 by tightening of the
showing preferred embodiments of the invention.
In the drawing which illustrates the best modes presently 50 screws A. In FIGS. 2 and 3 the lever 25 has been illus
trated as provided with a known type of check nut desig
contemplated or" carrying out the invention:
nated C whereby the handle may be selectively locked in
FlG. 1 is a more or less diagrammatic or schematic
any angularly adjusted position.
illustration of an apparatus, using a plurality of pairs of
The two rollers of each pair of rollers are intercon
rollers, for carrying out the invention;
FIG. 2 is a view similar to that of FIG. 1 of another 55 nected by gears and one of these gears is always meshed
or coupled with a driving gear when the pair of rollers
embodiment of the invention, utilizing one ?xed roller
is moved into operating position. It is preferable that the
and a plurality of selectively adjustable rollers; and
number of revolutions of the driving gear can be varied
FIG. 3 illustrates, the apparatus of FIG. 2 in- another
so as to vary the speed of rotation of the paired rollers.
operating condition thereof.
More speci?cally, it will be understood that the drive gear
Referring now more speci?cally to FIG. 1 of the draw
is opposite the lower one of the rollers of each pair so
ing, there is disclosed a carriage 1 provided with a ?rst
that the axis passing through the driving and driven gears
pair of clamping rollers 3 and a second pair of clamping
is inclined by ninety degrees from the ‘axis of displacement
rollers 4 through which ?brous sheet material is fed
from a conveyor It) to an opening or plucking drum 2
of the carriage.
’
12 and a driven roller 13 to feed the ?brous sheet material
to a pair of clamping rollers, as indicated by the arrow
14.
conveyor to the drum, the rollers being automatically
energized when moved into proper position. In certain
l The opening drum 2 may be also of conventional
cases, it may be advisable to make the feed conveyor 1t}
for opening and suitably drawing out the sheet material 65 ‘In view of the foregoing, it will be apparent that by
simple manipulation of the handle 5 the proper size of
during the processing thereof. As shown, the conveyor
clamping rollers may be readily guided and locked in
‘l0 may be of conventional construction and comprises
operative position between the conveyor and the drum 2
an endless belt ll mounted on a conveyor drive roller
so as to clamp the ?brous material as it passes ‘from the
3,047,911
3
A
terial to said opening means, means operable to clamp said
sheet material in the feed path thereof between said feed
ing means and said opening means, said clamping means
comprising a ?rst roller ?xedly mounted ‘between said feed
adjustable both in length and in height since, due to the
differences in their diameters, the paired rollers, when in
operating position, are not at the same distance from the
delivery end of the conveyor.
Referring now to FIGS. 2 and 3 in detail, there is shown
means and said opening means, a pair of rollers of differ
another embodiment of the invention utilizing a rotary
conveyor 16A to feed the ?brous sheet material through
an adjusting clamping mechanism to the drum 2. Pur—
suant to the present arrangement, provision is made for
a lower clamping roller 21 which remains in ?xed posi
tion, and which is suitably driven by means of a drive
ent respective diameters, and means for selectively posi
tioning one of said pair of rollers in operative relation
with said ?rst roller.
2. Apparatus for processing ?brous sheet material com
10 prising opening means, means for feeding said sheet mate
rial to said opening means, means operable to clamp said
gear arrangement ‘of conventional type. A disc or plate
sheet material in the feed path thereof between said feed
22 is mounted for rotary or pivotal movement about the
ing means and said opening means, said clamping means
pivot 23a. The disc is provided with a small diameter
comprising a ?rst roller ?xedly mounted between said feed
roller 23 and with a large diameter roller 24 having sub 15 means and said ‘opening means, a pair of rollers of di?er
stantially the same diameter as roller 21, for the selective
ent respective diameters, and means for selectively posi
adjustment of said rollers into operating relationship with
tioning one of said pair of rollers in operative relation with
the ?xed roller 21 to form a pair of clamping rollers for
said ?rst roller, one roller of said pair being of the same
clamping the sheet material as it passes from the feed ,
diameter as said ?rst roller and the other roller of said
means MA to the elements '15 of the drum. It will be 20 pair being of a smaller diameter.
apparent that the smaller roller 23 is mounted closer to
3. Apparatus ‘for processing ?brous sheet material com
the rim of the disc than the larger roller'24 in order to
prising iopening means, means ‘for ‘feeding said sheet ma
be properly disposed relative to the ?xed roller 21. How
terial to said opening means, means operable to clamp
ever, it will be understood that this is not necessary in
said sheet material in the feed path thereof between said
a case where the disc is mounted eccentrically. With the 25 feeding means and said opening means, said clamping
described arrangement, it is most expedient to connect the
means comprising a ?rst roller ?xedly mounted between
?xed roller 21 with a drive means.
said feed means and said opening means, a pair of rollers
of different respective ‘diameters, means for selectively
positioning one of said pair of rollers in operative relation
However, it will be understood that, if desired, the ad
justable roller may be releasably engaged with a drive
means, as it is moved into operating position. The sta 30 with said ?rst roller, said last mentioned means compris
tionary roller 21 is preferably provided with a gear which ‘ ing a disc mounted for rotation relative to said ?rst roller,
said pair of rollers being mounted by said disc, and means
meshes with a gear provided on the roller 23 and on the
for rotating said disc in opposite directions to selectively
roller 24, as the latter are moved into operating position.
For long-stapled material the large diameter roller 24 is
meshed with the roller 21, as shown in FIG. 2, and for 35
stapled length or long-stapled length comprising, in com
bination, opening means, feeding means spaced from said
short-stapled material the small diameter roller 23 is
meshed with roller 21, as shown in FIG. 3.
The pivotally mounted disc 22 as here shown is ad
justed by a mechanical means. To this end, suitable fric
) tion means are utilized.
position one of said pair of rollers adjacent said ?rst roller.
4. Apparatus for processing ?brous material of short
opening means for feeding said material along a predeter
mined path to said opening means; ?rst means, including a
Provision is made for a rocking 40
pair of cooperating feed rollers, operable to grip and feed
long-stapled material from said feeding means to said
opening means; second means, including a pair of coop
lever 25 provided with a gear 26 which meshes with pe
ripheral teeth 27 provided on the disc 22. For example,
erating feed rollers, operable to grip ‘and feed short
stapled material from said feeding means to said opening
about the pivot 23a. It will be understood that a suitable 45 means; and a movable support operatively associated with
both said ?rst means and said second means and selectively
stop is provided for the disc 22 for each of the rollers 23
rotation of the handle lever 25 in the direction of the
arrow 28 moves disc 22 in the direction of the arrow 29
and 24 so as to stop the movement of the disc when each
positionable to place either said ?rst means or said second
roller is in its operating position.
FIG. 2 shows the arrangement of the parts for process
means in feeding position ‘between said feeding means
for processing short-stapled material. Comparing FIG.
tively large diameter roller, and one of the pair of coop
and said opening means.
ing long-stapled material, the large roller 24 mes-hing 50 5. Apparatus as claimed in claim 4, in which one of the
pair of cooperating feed rollers of ‘said ?rst means is a rela
with roller 21. FIG. 3 shows the arrangement of the parts
erating feed rollers of said second means is a relatively
small diameter roller.
6. Apparatus as claimed in claim 4, in which said mov
55
direction of arrow 31 to mesh roller 23 with roller 21.
able support comprises a slide adjustable ‘along a ?xed
It is preferable that the roller 21 be provided on a
3 with FIG. 2 it will be apparent that lever 25 has been
moved in the direction of arrow 3th to rotate disc 22 in the
path intercepting the feed path between said feeding means
‘and said opening means; said pairs of cooperating rollers
‘of said ?rst and second means being spaced apart longitu
?exible mounting and that it be readily removable and
replaceable. Furthermore, it is preferable that roller 21
be provided with guiding and mounting means which can
be adjusted both vertically and laterally. Furthermore,
60 dinally of said slide.
to assure that the ?brous material is correctly guided,
additional guide means can be provided, if required, in
the direction of ?ow of the material. In lieu of separate
stops for each of the two operating positions shown in
FIGS. 2 and 3, provision may be made to limit the teeth 65
27 to a portion only of the periphery of the disc 22 and
thereby provide the stops.
Various chwges and modi?cations may be made with
out departing from the spirit and scope of the present in—
vention and it is intended that such obvious changes and 7 O
modi?cations be embraced by the annexed claims.
Having thus described the invention, what is claimed as
new and desired to be secured by Letters Patent, is:
1. Apparatus for processing ?brous sheet material com
prising opening means, means for feeding said sheet ma 75
,
-
7. Apparatus as claimed in claim 6, in which the rollers
of said ?rst means are a pair of relatively large diameter
cooperating feed rollers, and the rollers of said second
means are a pair of relatively small diameter cooperating
feed rollers.
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,305,639
2,734,230
2,747,235
Rockwell _____________ __ Dec. 22, 1942
Martin et al. _________ __ Feb. 14, 1956
Wallace _____________ __ May 29, 1956
FOREIGN PATENTS
726,733
Great Britain _________ __ Mar. 23, 1955
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