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Патент USA US3045535

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July 24, 1962
s. c. HARRIS
Filed June 20, 1960
F 16.2
F l G.
[37M 96%”
~'nited States Patent
Patented July 24, 1962
the two standard members 20 and 21 and is preferably
struck up from sheet stock so as to form a horizontal
Stephen C. Harris, 1336 Warwick Neck Ave.,
Filed June 20, 1960, Ser. No. 37,128
2 Claims. (Cl. 87-56)
plate portion 26 with the sides thereof turned down
wardly to form arms 27. To provide an elongated hear
ing for the weight on the standards, there is an upwardly
turned portion 28 with an inturned end 29 that is pierced
This invention relates to an improvement in a weight for
a braider carrier. In braider carriers which are manufac
in the plate portion 26. The plate portion 26 is also
Warwick, R.I.
tured along the general construction lines of M-ossberg
Patent 1,630,669, it has been necessary to lightly oil the
vertical standards upon which the weight reciprocates.
This has been necessary in order to provide free running
of the weight upon the standards and it has certain
deleterious effects. The presence of lubrication in gen
with a hole 30 in line with a similar hole 31 pierced
formed with a pair of projecting ?ngers 32 which are
generally arranged to embrace the standard 21. To com
plete the basic structure of the weight, a hook-shaped
?nger 33 is provided leading off the upturned portion 28
which serves as a thread guide around which the yarn is
looped after passing through the eye 22. Additionally,
eral upon the vertical standards acts as a place upon 15 a compression spring 34‘ is slid over the standard 20 and
bears against the inturned end 29 of the weight 25 and
which fly from the yarn being carried by the carrier may
also against an upper bracket 35 which holds the vertical
accumulate. Additionally, if rubber thread is being cov
standards N and 21 in alignment at the upper end thereof.
ered by the braider, the tale from handling the thread
In order to provide for proper movement of the weight
will fall about the vertical standards. ‘Conditions such
20 25 up and down the vertical standards 20 and 21, there
as these cause the vertical standards to gum and a conse
is inserted in the bearing holes 30 and 31 bushings 40
quent improper operation of the weight mechanism. As
(see FIGURE 5). These bushings are cylinders with a
a result of this, it has been necessary in accordance with
circumferential groove 46’ and are received in the aper
past practice to periodically clean the standards of the
braider carrier which means that the braider must be shut 25 tures 30 and 31 in a press ?t such that the groove 40'
is engaged in the holes 30 or 31. The bushings are prefer
down for periods of maintenance. This is an unsatisfac
ably made from polymer of tetra?uoroethylene, poly
tory situation in a mill where high production is desired
and it is therefore an object of the present invention to I tetra?uoroethylene, into which there has been mixed par
ticles of a silicate such as mica, talc, aluminum silicate,
provide a weight construction which will eliminate the
or glass. This type of material is superior to pure syn
need for ‘oiling the standards of a braider carrier.
30 thetic plastic materials for it has superior wear resistance
A more speci?c object of the invention is to provide a
weight for a braider carrier which will have one or more
of the guide portions thereof provided with oilless
and will not stick against a metal part as is so often
the case with such items as nylon and polytetra?uoro
ethylene. In practice it is found that this bushing mate
With these and other objects in view, the invention con 35 rial will wipe the metal standards clean of all foreign
material and thus enhances the weight operation.
sists of certain novel features of construction as will be
Similarly between the ?ngers 32 a U-shaped bushing
more fully described and particularly pointed out in the
may be ?tted. The U-shaped bushing is formed with a
appended claims.
peripheral groove 43 which is received between the
In the accompanying drawings:
‘FIG. 1 is a side elevation showing a braider carrier of 40 ?ngers 32 in a press ?t relationship. This bushing 42
also may be made of the same type of material as the
the general construction upon which the weight referred
bushing 40.
to may be used;
It has also been found that the bushings may vary in
FIG. 2 is a sectional view taken on iines 2—2 of FIG.
form. For instance, a modi?ed form ‘of bushing 42’ may
1 showing one manner in which weight made in accord?
ance with the teachings of this invention may be con 45 be ?tted between the ?ngers 32 (see FIG. 6). This modi
?ed bushing 4-2’ is similarly provided with grooves 43'
around three sides thereof and has a central aperture
45 therein to receive the vertical standard 21. In this
case in ‘order to assure ‘alignment at all times the bushing
FIGS. 4 and 5 are perspective views of the bearings used
50 is not press ?tted between the ?ngers 32 but is merely
in the weight construction; and
placed therebetween for a sliding ?t. Similarly a further
FIGS. 6 and 7 are perspective views of modi?ed forms
FIG. 3 is a sectional view taken on lines 3-3 of
FIG. 2;
of weight construction and particularly the bearing means
modi?cation may be made in that the U-shaped bushing
42‘ may be completely eliminated and merely the bushings
40 provided as illustrated in FIG. 7. In this latter case
With reference to the drawings 10 generally designates
the base of a carrier which is provided with a hub 11 55 the ?ngers 32 serve to rotationally orient the weight -
and a package spindle 12 rising therefrom upon which
a yarn package such ‘as ‘13 may be mounted. The hub
with all sliding friction being present at the bushings 40.
I claim:
11 is provided with a pivot pin 14 upon which is rock
ably mounted a latch 15 which is adapted to pass into
1. In a braider carrier having a ?rst standard a second
by a latch lift 18 in a manner well known to those skilled
ment, said slidable mounting including bushings between
standard extending in parallelism therewith, a tension
engagement with the teeth 16 of the package spool 13. 60 weight being slidably mounted on the ?rst standard, a
pair of ?ngers carried by said weight and embracing the
The opposite end of the latch 15 is provided with laterally
second standard to guide the weight against rotary move
extending members 17 which are adapted to be engaged
the ?rst standard and said weight, said bushings being
in the art. 011 the base of the carrier there is mounted
two standard members 20 and 21. Midway of the stand 65 composed of a polymer of tetrafluoroethylene to which
ard 21 there is at?xed a thread guide 22 and between
there has been mixed particles of silicate, said bushings
the thread guide 22 and the upper end of the latch lift
exhibiting the property of superior wear resistance and
18 is a compression spring 23.
freedom of sliding movement without the necessity of
A tension weight 2-5 is mounted to slide vertical on
:2. A combination as in claim 1 wherein the ?ngers
receive and hold bushing material composed of a polymer
of tetra?uoroethylene.
Scanlon _____________ __ Nov. 22, 1960
Great Britain __________ __ Oct. 7, 1959
References Cited in the ?le of this patent
Article entitled “Basic Design for Bearings Made With
Te?on Resins”; Dupont’s Journal of Te?on, March 1960,
Vol. 1, No. 3; pages 5, 6, and 7.
Olson _______________ __ Aug. 13, 1940
Jorgenson ____________ __ May 20, 1958
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