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Патент USA US2130265

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SePt- 13, 1938-
Filed June 21, 1937
Patented Sept. 13, 1938
Harry D. Clinton, Johnson City, N. Y.
Application June 21, 1937, Serial No. 149,494
2 Claims. (Cl. 242-118)
This invention relates to improvements in tex
tile spools and. bobbins, with reference more par
ticularly to twister spools and twister head at
A primary object is to provide an improved
twister spool, or twister spool head-having a cer
tain desirable resiliency and work adaptability,
combined with unusual strength and durableness.
Another important object is to provide such a
spool, or head, of inexpensive make, or which
can be produced at a. saving of cost, as by the
utilization of material that would otherwise be
waste and useless.
Lightness in weight, security in assembly and
15 long wear properties associated with an estab
lished non-breakable characteristic are further
desiderata had in view.
The invention and its special advantages will
be best understood from further description. with
.20 reference to the attached drawing, illustrating
one practicable embodiment thereof in the pre
ferred form of an ordinary warping type of spool.
In said drawing:
Fig. 1 is a perspective viewv of the spool;
Fig. 2 is a fragmentary, partly sectional view of
one end thereof;
Fig. 3 is a top plan view of said end or twister
head part of the spool;
Fig. 4 is a plan View of one of the twister head
parts; and
Fig. 5 is a side or edge View of the latter.
In the illustrative construction, the spool bar
rel 6 comprises a cylinder body composed of wood.
Ordinarily, and in the present instance, the body
35 is hollowed by a central longitudinal bore, not
shown, and is internally shouldered by counter
bores, also not shown, at the ends, as is common
to constructions of the kind. This bore and
counterboring, in addition to forming the inter
~10 nal shouldering, is intended to provide for en
gagement of the barrel over the shaft or shank
of a twister spindle. The hollowing thereby is
gauged so as to render said body as light as pos
sible and still leave a wall, or walls, of a thick
45 ness great enough to give it adequate assembly
and wearing strength.
On the ends of this barrel the spool heads in
this instance comprise disc plates 1 composed of
hard vulcanized ?bre.
These heads are cut or
stamped out of sheets of the material, and are
trimmed or lathed down, and polished to have en
tirely smooth face and edge surfaces, with the
edges preferably rounded. The character of said
material, as demonstrated by previous extensive
55 use and test, is such that the heads will not
splinter, split or crack and cannot be broken eas
ily, and yet have a certain resiliency, especially
after a?ixture to the barrel, which is observed
particularly by their tendency to rebound when
dropped cantwise upon a hard surface. Conse
quently, they are highly wear resistant and ren
der the spool substantially unbreakable, even
when dropped or struck with considerably hard
Said heads are secured to the barrel ends in ll)
this instance by hard wooden fastening plugs 8
extending therethrough into and lodged within
the aforementioned counterbore recesses of the
barrel, with a compressed or Wedge-squeeze ac
tion clamping them against said ends.
These 15
plugs are formed with head portions, not visible,
received within center openings (not referenced)
inv the heads, and reduced shank portions, also
not visible, received within said counterbores of
the barrel against the inner shouldering of the -:
latter, so as to draw and hold the heads tight
to the barrel by pressure insertion into place.
Glue applied to the shanks of the plugs retains
them ?rmly in place. These plugs have a longi
tudinal bore or opening 9 coaxial with the bore \
of the barrel and their outer ends are trimmed
or dressed down flush with the outer face sur
faces of the heads.
In this instance, the plug fastening is aug—
mented by a metal locking ring or ferrule ill
?tted as a liner around the head portion of each
plug, which serves to intensify the squeeze or
bind and to pinion the plug in place with a great
ly strengthened and rigidi?ed fastening. Said
ring has an upper flange, alone appearing in the
drawing, overextending a lipped portion of the
head around its central opening and a lower
?ange, not visible, underengaging the head por
tion of the plug against the aforenamed shoul
dering of the barrel, while its body is ribbed -/
or provided with teeth (not shown), circumfer
entially, which engage, into the parts between
which the ring is pressed so as to be locked
therewith in a positive hold. A speci?c illus
tration of this described augmental fastening
will be found in my prior Patent No.. 1,987,991
dated January 15, 1935 for an Improved spool or
bobbin. It will be noted that the fastening plug
and locking ring‘ at the end of the spool are both
turned or “worked” down absolutely ?ush with 50
the outer surface of the head so that the latter
will be entirely ?at all the way across.
On the outer face of the head at one end of the
spool a pair of segmental plate members ll con
summate the twister spool formation. These 55
plates members are substantially semicircular
forming members are the only wearing parts of
or crescentic in shape and are oppositely formed,
or correspondingly formed and oppositely dis
posed to each other. Each has a recess HS1 in its
in inward or chordal edge, arcuated in conformity
with the bore or opening (9) of the fastener plug.
the spool and can be replaced, when sui?ciently
provement is very simple and has the economic
They are placed, in circular relation, on opposite
sides of said bore or opening with their said re
advantage that it can be produced at a materially
less cost in manufacture than the ordinary or
cesses in register with the same, and with a gap or
generally employed device of the kind. The possi
l1) spacing
I2 therebetw-een providing a slot into
which the driving lug (not shown) of a twister
spindle may ?t. When applied to a spindle, thus
engaging its lug, the spool of course rests directly
upon the latter which bears against the ?at head
surface. Said plate members are composed of
the same material as the spool heads and are ad
vantageously cut or stamped out of remnant or
waste pieces of the sheets from which said heads
are cut. They are applied to the heads in this
instance by rivets i3 extending through both the
members and said heads, holding them securely in
The described plate members thus combined
with the regular spool head provide an improved
twister head, or twister head attachment. Not
only do they give the head the necessary thick
ness or height to ?t operatively upon the spindle,
but, being composite with the regular head, they
contribute and afford a greater resiliency in ac
30 tion upon the spindle.
This greatly reduces and
substantially eliminates the factors of breakage
and Wear. The resiliency is also increased by
the fact that the attachment is in two pieces,
other than a single piece which adds rigidity to
35 any ordinary head. Moreover, this two -piece at
tachment provides an open-ended slot, adapting
the spool to application or engagement upon a
twister spindle with any length, or width, of driv
ing lug. The open ends of the slot allow lint from
the yarn to be thrown out by centrifugal force
so as to keep it clean, instead of collecting there
in with the formation of “slugs” that may drop or
catch and cause defects in the yarn. The dual
plate members can be applied more accurately and
accommodatingly than a single plate, and are
somewhat lighter in weight so as to require less
driving power for the spool.
Finally, these’ slot
worn, at less cost than a full circular or closed
end plate.
In addition to the foregoing, the described im
ble utilization of remnant or otherwise Waste 10
material allows a considerable saving, especially in
quantity production.
Having thus described my invention, what I
claim as new and desire to secure by Letters Patent
of the United States is:
1. A twister spool, comprising a barrel having a
longitudinal bore, a laterally extending disc head
of hard-?bre material secured on the end of the
barrel and having an opening therethrough to
said bore, and a pair of segmental plate members 20
on the outer face of the head oppositely disposed
on opposite sides of the bore opening there
through, said plate members being of the same
material as the head and having a form and spac
ing th-erebetween providing an open-ended slot 25
diametrically across the head without closing or
constricting the said bore opening.
2. A twister spool, comprising a barrel of a
?bre material having a longitudinal bore, disc
like heads of a different and hard vulcanized ?bre 30
material fastened on the ends of the barrel and
means fastening said heads to the barrel with
central openings therethrough to said bore, com
bined with a pair of segmental plate members
?xed on the outer face of one of the heads upon 35
opposite sides of the opening therethrough to
the bore, said plate members being of the same
material as the heads and having a form and
spacing between each other providing an open
cnded twister slot diametrically across the head '
adapting the spool to be engaged upon a twister
spindle with its said head resting upon the driv
ing lug of the latter and with said lug ?tting into
said slot of the former and the centering shaft
of the spindle extending into the bore opening 45
of the barrel.
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