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Патент USA US3095626

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July 2, 1963
3,095,614
D. P. MOORE
FIBER TRANSFER DEVICES
Filed Aug. 10, 1961
2 Sheets-Sheet 1
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INVENTOR
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BY
ATTORNEY
July 2, 1963
D. P. MOORE
3,095,614
FIBER TRANSFER DEVICES
ATTORNEY
United States Patent 0 " 1C6
3,095,614
Patented July 2, 1963
1
2
3,095,614
sprocket 18', drives card clothed main drum 14, while
sprocket 20” drives the clearing brush 16, which in turn
. FIBER TRANSFER DEVICES
David Pelton Moore, Marlow, N.H.
through a series of spur gears, not shown, drive the two
-
pairs of feed-in ?uted rollers 33 and 34, respectively.
(9210 Flower Ave., Silver Spring, Md.)
Filed Aug. 10, 1961, Ser. No. 131,057
CR
5 Claims. (Cl. 19-99)
The sprockets are so selected that the shaft 11 through
its sprocket 12, drives the doifer three inches at its periph
ery ‘to one inch peripheral speed of the main drum, while
the sprocket, 20" may be changed to increase or decrease
transfer devices for high pile knitting machines, one ob
the speed of the two pairs of feed-in rollers. The speed
ject of the same being the provision of a device of this 10 of the pair 33 is slower than that of the pair 34, so that a
type having fewer working elements, and of such a width
‘slight stretch is given to the ribbon formed roving or
as to permit a greater number being employed with vari
sliver as‘ it is pulled through the slot 41 ‘of the ?nger guard
ous sizes of knitting machines, that is 8 to a 23-inch cylin
40 and fed to the card clothing or active periphery of the
der knitting machine, 16 to a 36-inch knitting machine,‘
main drum.
and 23 to a 60-inch knitting machine.
15
Mounted between the two spaced standards 35 is the
Another object of the invention is the provision of a
.removable transparent plate 40, provided with an elon
feed-in roll arrangement, which tends to stretch the roving
gated slot or adit opening 41, which permits the operator
or sliver before delivery to the main drum, so- that a better
to insert the roving or sliver without injury to his ?ngers,
distribution of the ?bers is made on the main drum to be
and shapes the roving or sliver in ribbon form, so that
brushed 011? of it to the needles of either a latch or spring 20 the cross-sectional area of the ribbon is approximately
needle rotary cylinder machine, thereby giving a more
7 the same from edge to edge, and also centers in the feed
even distribution of the ?bers to the needles during the
‘in rollers, and permits the operator to see the entering
knitting of such ?bers into the base web, formed of yarn,
of the roving or sliver to the feed-in rollers without
‘ The present invention relates to improvements in ?ber
and to form a more even pile face to such fabric.
jeopardizing his ?ngers.
,
Still another object of the invention is the provision of 25
This device is exceedingly light in weight, to be easily
a‘doffer or bristle brush, the active surface of which is
attached and removed from the knitting machine, and is
wider than the active surface of the main drum, so that
‘so narrow as to permit 8 to {be installed on a 23-inch- ma
any ?bers that creep to'the “off’ side of the main drum are
removed by the excess bristles ‘and combed evenly into the
chine and 16 on a 36-inch knitting machine. 7
The train of gears that operate the feed-in ?uted rolls
hooks of the needles, thus avoiding broken needles and 30 of this device are so arranged that the entrance pair 33
also lumps in the pile.
,
.
,
.
Still another object of’the invention is the provision of
a ‘ transparent roving or sliver inlet, that permits the
operator without injury to his ?ngers to see that the rov
in‘gor sliver is properly gripped by the feed-in means.
Still another object of the invention isthe provision of
a novel arrangement of bristles in the doffer, so that no
radially parallel strips of bristles present themselves to the
_ rotate at a slightly lower speed than the inner pair, that
is the inner pair has one or two less teeth than those of
the former, so that a slight stretching of the ribbon of
fibers is given to them before they are deliveredas a rib-
bon centrally of the active surface of the main drum.
By using a single sprocket chain, with a thirty-tooth
sprocket 12 on the cross shaft 11, a ten-tooth sprocket 27
on the doifer shaft, and a twenty tooth sprocket 18' on
needles, the strips being on the bias, slantwise or at an
the main drum shaft 20', which proportions may be
angle instead of radially across the surface of the periph 40 varied, however, a proper feeding for the liner or outer
ery of the carrying drum or pulley-like member.
garment pile fabric will result.
Attention is invited to the accompanying drawings in
The sprocket 20" on the clearing brush shaft may vary
which:
,
from ten to ?fteen teeth, or more, according to the weight
FIGURE 1 is a section through the bed plate and
of the roving or sliver being used.
needle cylinder of a rotary cylinder latch needle knitting 45
In practice the overall width of this device is about
machine with one of the ?ber transfer devices in diagram
5 inches, and where necessary, supports (not shown)
and in operative position.
may be used to regulate the position of the doffer 13
FIGURE 2 is a right side view of the ?ber transfer de
relative to the needles, and the height of the transfer
device above the bed plate.
50
FIGURE 2a is a left side view thereof.
Where this transfer device is used with a spring needle
FIGURE 3 is a top plan view of the ?ber transfer de
knitting machine, a support, not shown, is connected to
vice.
.
the table of the knit-ting machine, and the cross shaft is
FIGURE 4 is a longitudinal vertical section through
driven from an intermediate gear, not shown.
the device.
It will be noted that the short straight strips B of
55 bristles of the doifer are slanted or at an angle, the high
vFIGURE 5 is afront view of the device.
.
FIGURE 6 is a view taken from the doffer end of the
side being toward the incoming needles, that is anticlock
device.
wise, so that the needles can ?nd no free passages be
Referring to the drawings, the numeral 1 designates the
tween the rows of bristles, as is the case when the strips
bed plate of a rotary cylinder latch needle knitting ma
are radially parallel, and also as the strips all terminate
chine, having a needle cylinder v3 carrying the usual latch 60 on the same lines at or adjacent to the edges of the brush,
needles 4, and 2 designates the present ?ber transfer de
there are no shoulders, as is the case when the bristles
vice, which is attached with a proper adjustment so that
are in a spiral, wound upon the cylindrical pulley-like
the do?er 13 feeds the short staple ?bers to the needles in
drum of the do?fer. Thus the needles receive the ?bers
transit. The supporting frame of the device carries a re
more evenly therein, and a more uniform pile face results.
movable supplemental frame 8, carrying a short vertical 65 This is of great importance.
shaft 7, at whose lower end is an adjustably mounted spur
From the foregoing description, taken in connection
gear 6, which is the drive gear of the device, and is itself
with the drawings, there is here provided and produced a
driven by an annular gear, not shown, carried by the
?ber transfer device, that is smaller and lighter in weight
needle cylinder. The shaft 11 is driven by this vertical
than those now in use, is easily and quickly attached and
shaft by miter gears, not shown, and as shown in FIGURE 70 removed, provides a more even distribution of the fibers
vice.
2a, its sprocket 12 through the chain 18, drives shaft 20,
of the doffer 13 through sprocket 27, and through the
to the needles, and prevents ?nger injury, while giving to
the operator full view of the feed-in rolls, to insure the
3,095,614
3
proper central position of the roving or sliver in ribbon
by the frame at the remote end thereof to the doffer, the
pair of feed-in rollers adjacent the main drum being ro
form to the feed-in rolls, which deliver a ?attened ribbon,
tated at a slightly greater speed than the other pair of
the same approximate area from edge to edge to the
active surface of the main drum for a more evenly
feed-in rollers to impart a slight stretch to the ?bers be
brushed off needle" delivery by the doffer to the needles in
fore the ?bers are delivered to the main drum, and a
transparent slotted plate mounted in the frame at the
transit.
remote end to the dotfer and in advance of the feed-in
What is claimed is:
rollers to guide and form a longitudinal ‘batt of short
1. A ?ber transfer device, including in combination, a
main supporting frame, a main dru-m having a ?ber re
loose ?bers in ribbon form for delivery to the feed-in
ceiving surface mounted in the frame, a plurality of pairs 10 rollers.
of feed-in rollers at one end of the frame for feeding
5. A ?ber transfer device, including in combination, a
main supporting frame, a main drum having a ?ber re
?bers to the main drum, a dotfer brush mounted on the
frame at'the end remote from the feed-in rollers to re
ceiving surface mounted in said ‘frame, a plurality of pairs
of feed-in rollers adjacent one end of the frame for feed
move ?bers from the main drum, the active surface of the
brush being of greater width than the active surface of 15 ing ?bers to the main drum, a doffer brush mounted at
one end of the frame remote from the feed-in rollers
the main drum, and a slotted transparent sliver guide and
and having a bristle surface wider than the ?ber receiving
?nger protector mounted in the frame in advance of the
surface of the main drum, for removing ?bers ‘from the
feeding rollers.
‘main drum and delivering such ?bers to the hooks of
2. A ?ber. transfer device including a main frame, a
knitting needles of a rotary cylinder knitting machine,
main drum having a ?ber receiving surface mounted in
and a transparent slotted ?nger guard mounted at the end
said frame, a plurality of pairs of feed-in rollers mounted
of the frame adjacent to the feed-in rollers to form the
adjacent one end of the frame for feeding ?bers to the
?bers into a ribbon before delivery to the feed-in rollers
main drum,'-a doifer brush mounted in the frame at the
and to permit the initial feeding of the ?bers to be seen
remote end of the frame to the feed-in rollers and to re
move ?bers from the main drum, and a transparent slotted 25 by the operator.
plate mounted in the frame in advance of the feed-in
References Cited in the ?le of this patent
rollers to provide means to form a sliver in ribbon form
prior to its gripping by the feed-in rollers, and to cen
tralize such ribbon in the rollers.
3. A ?ber transfer device as claimed in claim 2, where 30
in there is mounted in the frame above the feed-in rollers
adjacent the main drum a rotary brush for clearing loose
?bersfrom the feed-in rollers and delivering same to the
main drum.
4. A ?ber transfer device, including in combination, a 35
supporting frame, a main drum carried thereby and pro
vided with a ?ber receiving surface, a do?’er having a
bristle surface of approximately the same diameter as the
main drum carried by the frame in operative relation to
the main drum, two pairs of ?uted feed-in rollers carried 40
UNITED STATES PATENTS
240,821
318,121
733,383
Klein _______________ _.. May 19, 1885
Ferguson ____________ __ May 3, 1881
1,015,835
Potter _____________ __ Jan. 30, 1912
1,726,919
Penney et a1. _________ __ Sept. 3, 1929
1,848,370
2,263,970
2,600,969
Moore _____________ __ Mar. 8, 1932
Jannink _____________ __ Nov. 25, 1941
Clapperton __________ __ June 17, 1952
2,900,672
2,953,912
2,971,357
Hollingsworth ________ __ Aug. 25, 1959
Hill ________________ __ Sept. 27, 1960
Gahagan ____________ __ July 14, 1903
Hill ________________ __ Feb. 14, 1961
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