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Патент USA US2410705

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Nov.‘ s, 1946. ’
Filed March 28, 1945
2 Sheets-Sheet 1
Nov.- 5, 1946.
‘Filed March 28, 1945
2 Sheets-Sheet 2
s; are
, Harold Arthur Boyd, Glasgow, Scotland
Application March 28, 1945, Serial No. 585,285‘
In Great Britain April 20,‘ 1944
5 Glaims. (01. 57-164)
This invention relates to improvements in
driving arrangements for spindles or ?yers in
ordinary spinning or twisting machines and also
stop motion machines, which may be of the type
described in the speci?cation of British Patent
_ NO.
mary tape or cord serves a plurality of spindles
the accompanying drawings Fig. 1 is an
‘ elevation partly in section and Fig. 2 a diagram
matic plan illustrating a spindle drive according
to the ‘invention as applied to a double-sided
In present-day practice a spindle or group of
machine. Fig. ‘3 is a diagrammatic elevation
spindles or ?yers is driven by a single tape or
showing a modi?cation as applied to a single‘
cord from a main driving drum which runs the
sided machine. .
length of the frame. This tape or cord in most H)
of the invention
cases requires to be light and ?exible as it has to
illustrated in Figs. 1 and 2 is adapted to a ma-— »
pass aroundv a small diameter whorl on the driven
chine with ordinary framework as shown in
spindle or fiver. The said tape or cord may be
tensioned by an auxiliary weighted movable ten
sion pulley, around which the tape or‘ cord runs
and whereby it is kept tight.
British patent specification No. 113,687, with
twisting spindles t, a main driving drum 5, and
a swinging weighted tension pulley
the spindles 3 and between them and the drum
l we mount rods 29 substantially parallel to the
respective spindles
one red for each spindle.
On these rods we pivot brackets 25 for swinging
According to the present invention we inter
polate in the drive between the main driving
drum and the spinning spindles or ?yers inter
mediate whorls each adapted to move laterally 20 movement. To one side or each rod lo we mount
towards or away from the respective spinning
on the respective swinging bracket ll a dead
spindle or fiver, adapted to be driven by a pri
spindle 22. On each dead spindle 22 we mount
mary tape or cord driven from the main drum
an intermediate whorl ‘it of su?cient axial length
and maintained under tension, and also adapted
to carry two tapes one above the other. The
to drive a secondary tape or cord passing around
25 primary driving tape 2 comes from the main‘
a whorl on the spindle or rlyer, lateral move-'
drum I and passes round the tension pulley at
ment of said intermediate whorl serving to ten
and around the driven portion of each of two
sion the secondary tape of cord.
intermediate whorls 233 on each side of the frame
As the intermediate whorl may be larger than
(four in all), and bacl: to the drum l. @n the
the whorl mounted on the associated spinning so lower or driving part of each lntermectliate whorl
spindle or dyer, can carry a much heavier pri
I 23 we mount a secondary tape 2*‘, the said tape
mary drivi ; tape or cord, giving longer life and
passing around the whorl SE of one twising spin”
a positive drive, while the secondary tape or
cord ma1
e 311 is endless as it does not pass
- driving drum. The endless
die mount
33. In on
a collarill
whorl of
tape or cord may be slipped on to the respective 35 approximately the same diameter as the whorl
whorls (not sewn in place on the spinning irame)
and has a longer life than tapes or cords-oi’ other
When an intermediate whorl, mounted as de
scribed, is used on a stop motion machine, it is
also adapted to be moved towards the spinning
spindle or dyer by hand or automatically, and
‘thus to slaolzen the secondary tape or cord which
Above the intermediate whorl
we mount
a lever 25 on a horizontal stud it’. At one end
of one enact the lever ‘25 is a weight:
arm oi’ the lever 25 is connected to a preferably
upright rod 5 with a catch t’ normally prevent
ing it from moving upwardsfsaid rod l‘: being
in operative connection with thread feeler
mechanism of the kind described in the said
speci?cation No. 113,687. The second arm of
then ceases to move, so that the spindle or ?yer 45
the lever 25 is also connected by a wire link 27?
stops while the primary tape or cord continues
to run as usual.
to the swinging bracket ‘all by engagement with
an eye 22“ in the end of the dead spindle 22. On
In addition to the lateral movement the inter
being disengaged from its catch 6' by operation
mediate whorl may ‘be given an axial movement,
of the thread feeler mechanism due to failure
to bring a deadsmi’ace which is coaxial with the 50 of thread, the upright rod 5 moves upwards on
said intermediate whorl into the plane of the
the tilting of the lever 25. A depending ‘arm 28
secondary tape or cord and of the associated
on the lever 25 abuts against the back of the
whorl on the driven spindle or ?yerl, so that a
quicker stop is brought about.
in what follows we shall assume that one pri
swinging bracket 2i‘ and forces it towards the
spindle t and thereby slackens the secondary
tape 2*. As the end of the second arm oi the
lever 25 rises, it also shifts, through the link 21,
the swinging, bracket 2i, the whorl 23 and the
dead collar 24 in axial direction. The slackened
secondary tape 25 then rests on the dead surface
24 and-stops, while the primary tape 2 continues
to run. When the upright rod 6 is again de
pressed into its catch 6', the operations are re
versed-the tape 2‘ slips back on to its driver
and is tightened, and so drives the spindle 3.
The lever 25 with connections may be dis
pensed with when stopping of individual spin
dles is not required.
extending substantially horizontally in the direc
tion away from the ?yer or spindle and being
in?uenced by a weight whereby to urge the whorl
23 horizontally in the direction away, from the
?yer or spindle whorl and thus apply tension in
a horizontal direction to the secondary tape 2“.
What is claimed is:
' 1. In a spinning 0r twisting machine, the com
bination with. a main driving drum and a spin
10 dle having a whorl, of an intermediate whorl
movable laterally towards and away from said
spindle, a primary ?exible driving element con
>_ necting said main driving drum and said inter
The intermediate whorls 23 are shown as be
mediate whorl, and a secondary ?exible driving
ing rotatable about vertical axes; they may, how
element connecting said intermediate whorl and
ever, be rotatable about horizontal or inclined 15 said spindle whorl.
2. In a spinning or twisting machine, the com
In the modi?cation illustrated in Fig. 3 the
bination claimed in claim 1 in which the inter
intermediate whorl 23 is devised to apply tension
mediate whorl is carried on a movable bracket
to the tapes 2, 2a in two directions approximately
and adapted, when it is desired to stop the spin
at right angles to one another, namely, to the
dle, to be moved towards the spindle, to slacken
primary tape 2 which is approximately vertical
the secondary ?exible driving element.
and which drives the intermediate whorl 23 from
'3. In a spinning or twisting machine, the comthe main driving drum i, and to the secondary
bination claimed in claim 1 including a dead sur- \
tape 2“ which runs substantially horizontally
face coaxial with the intermediate whorl, said
from the intermediate whorl 23 to the ?yer or
intermediate whorl and dead surface being
adapted to move axially to bring the dead sur
spindle whorl 3“.
The intermediate whorl 23 is mounted above
face into the plane of the spindle whorl.
the drum l on the inner arm of a horizontal two
armed lever 30 which is mounted on a fulcrum
4. In a spinning or twisting machine, the com
bination claimed in claim 1 in which a single ten
stud 3| ‘and to the outer arm of which lever is 30 sion pulley applies tension to both the primary
applied a weight whereby to exercise an upward
and the secondary ?exible driving elements.
effort on the whorl 23 and thus to apply tension
5. In a spinning or twisting machine, the com
in vertical direction to the primary tape 2.
bination claimed in claim 1 in which the inter
The fulcrum stud 3| is carried by an upstand
mediate whorl is arranged to apply tension to
ing arm 32 of a bell-crank lever 32, 33 which is 35 the ?exible driving elements in two directions
mounted on a shaft or stud 34 the axis of which
_ at right angles to, one another.
is parallel to the axes of the whorl 23 and of the
drum l, the other arm of said bell-crank lever
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