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Sept. 10, 1946.
H. CARLSON
2,407,398
PICKER STICK
Filed May 23, 1945 I
2 Sheets-Sheet l'
48
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IN VEN TOR.
2,407,398
Patented Sept. 10, 1946
’ UNITED
’
STATES PATENT
2,407,398
OFFICE
~
.
~
PICKER STICKY '
Harold Carlson, North Franklin, Conn.
Application May 23, 1945, Serial No. 595,443
1 Claim.
(c1. 139-151)
This invention relates to picker sticks for looms.
of so as to serve as a cap. This can be made
of aluminum or a strong aluminum alloy of sufi`1~
It is a fact well known to those skilled in the
art that, because of the pounding and other
strains to which a picker stick is subjected, it
"
2
l
The cap is held
to the endA of the picker stick by a screw 3 or
‘ cient toughness toresist wear.
the like extended downwardly into the picker
stick and opposed tongues 4 can be formed
soon becomes worn or broken and thus is rend
ered unfit for further use.
integral-with the reinforcing sleeve or cap so as
It is an object of the present invention to pro
to bear upon opposed faces> of the picker stick
vide a picker stick with reinforcing elements and
to which they are attached by means of friction
pads or buffers located where they can take up
the wear heretofore received by the wood of which 10 or other suitable means.
For the purpose of taking up wear upon that
the picker stick is formed.
portionA of the picker stick adjacent to the maga
With the foregoing and other objects in View
zine of the loom, thereis provided a metal collar
which will appear as the description proceeds,
6 fitted tightly about the picker stick and held
the invention consists of certain novel details
thereto by friction or the like. The side of the
of construction and combinations of parts here
collar remote from the >shuttle is cut away,` as
inafter more fully described and pointed out in
indicated at.8 and is bridged by a cushioning
‘the claims, it being understood that changes
strip 9 formed of leather or the like which is
may be made in the construction and arrange
held iirmly to the picker stick by the end portions
ment of parts without departing from the spirit
of the invention as claimed.
20
of the collar.
'
,
At a point between its ends, where the picker
stick is to be connected to the sweep stick I0,
forms of the invention have been shown.
there are provided spaced metal collars II held
In said drawings:
.
to the picker stick by friction or the like. These
Figure 1 is a front elevation of a picker sticky
constructed in accordance with the present in 25 collars serve to attach a cushioning strip I3 to
the picker stick as shown.
vention, the same being shown assembled with
That portion of the picker stick located be
a sweep stick.
tween the collars Il is positioned within a link
Figure 2 is a section on line 2---2, Figure 1.
I4 formed of opposed strips I5 which are spaced
Figure 3 is an enlarged section on line 3---3,
In the accompanying drawings the preferred
Figure 2.
Figure 4 is a section on line 4-4, Figure 3.
Figure 5 is an enlarged section on line 5-5,
Figure 1.
30 apart at one end by a filler I6 of fibre or the Y
like, while the opposite ends thereof lap opposed `
faces of one end of the sweep stick IIJ. A pivot
bolt I1 is extended transversely through the sides
I5 and the lapped portion of the sweep stick III
viewed at right angles to Figure 1, the sweep 03 Cn and has nuts I8 which bear against wear plates
I9 so shaped as to straddle the side strips I5.
stick link or lug being> shown in section, and
These wear plates also have offset edge portions
the spring strap also being shown in section.
20 which serve as locks to prevent the nuts I8
Figure 'I is an enlarged section on line 1-1,
Figure 6 is an elevation of the picker stick
from rotating on the bolt'.
'
'
To prevent splitting, spaced bolts 2I are ex
Figure 8 is an enlarged section on line 8-8, 40
tended transversely through the outer‘end of the
Figure 6.
link I4, these bolts being also extended through
Figure 9 is an enlarged section on line 9-9,
a reinforcing collar 22 which extends around the
Figure 6.
end portion of the link. To one side of this collar
Figure 10 is an enlarged section on line III-I0,
45 is secured a bracket 23 which, in turn, is engaged
Figure 6.
n
by a bolt 24 extending laterally from a plate 25
Figure 11 is an enlarged section on line I I-I I,
which straddles one of the side strips I5, it be
Figure 6.
Figure 12 is a section on line I2-I2, Figure 3.
ing understood, of course, that the bolt is ex
tended through the side strips. This bolt has a
Figure 13 is a section like FigurellI showing
nut 26 thereon which can be locked against rota
a modified construction.
'
l
tion by an outturned flange 21 or other suitable
Referring to the figures by characters of refer-Y
means. This bolt is utilized as a strap connec
ence, I designates a picker stick formed of wood,
tion.
.
as ordinarily. In the present case, the upper
Interposed between the cushioning strip I3 and
end of the picker stick is reinforced by a sleeve 2
fitted snugly therearound and over the end there 55 the adjacent end of the slot 28 formed between
Figure 6.
accises
Ai
es
the side strips I5 and in which the picker stick
end 5i) of the picker stick, all of the parts being
works, is a Cushion or bumper 29 formed of lap
ping layers of leather or other suitable material
which are folded, as shown, and have side por
these lapping strips have 'been inserted in the slot
tightly held to the picker stick by one or more
rivets 5I and by a tongue 52 constituting an
extension of the collar 44.
As shown in Figure 13, the structure illustrated
in Figure 1l, can be modiñed by extending one
end of the strap 53 into a looped or folded plate
they cannot fall therefrom because of the re
cesses at the points where the strips are> out
In this connection a centeringplate 56 is se
tions cut away, as at 3D so as to straddle the side
strips I5 as clearly shown in Figure 12.
away.
After
This cushion or bumper can be formedvof
leather or of strips of leather and rubber and,
under some conditions, one or more of the over
lapping strips could be of metal. It is merely
essential that the material of which the cushion
5LB clamped securely to the collar 55, as shown.
cured to the picker stickand extendsltransversely
of the strap, this plate having side ears 51 which
serve to prevent the strap from slipping laterally
out of position.
-It has been found in practice that by construct
or bumper is formed be such as to afforda proper l (i ing a picker stick and the cooperating parts as
'herein described, the same will not break down
cushioning effect whereby motion of the picker
stick outwardly relative to the link I4 will notre
sult in Wear on the picker stick or the strip I3
carried thereby.
'
As shown particularly in Figures l, 2 and 5,
the sweep stick iii has'a-tubularbearing 3l seated
therein for receivingA the pinf’âi’. ordinarily em
ployed for engagement by the fork indicated gen
erallyy at~33. This portion of the sweep stick
containing the bearing is reinforced -by -a collar
34 fitted »snugly therearound~and~held- to the
sweepstick- bylrivets-'lääfor the-like. The cus»
tomary strap 35 is attached at one end to 4one
end
thesweep stick byl means leía transverse
bolt 3l* having a nut äßwhi'ch- can be provided
with a suitable lock 3Q such as a' flanged »plate
clamped to one end of the strap and to the sweep
stick by the bolt 3l. Theother Yend of the strap
35 is clamp-ed' to' the side of the sweep stick vby
a plate 4E) held in position by a bolt 4I the nut
42 on which is held against' free rotation. by lock
¿i3 of suitable construction.
The lower end of .the picker stick has a collar
44 ñtted tightly’thereon and held thereto by
rivets ¿l5 cr the like.
This collar holds a tubular
bearing member ¿i5 which' projects laterally be
yond the picker stick and also‘vserves to clamp to
the picker stick one end of theV strapâ'l- leading
as rapidlyasother picker sticks but will stand
up under severe wear. This iS due to the fact
that 'reinforcing collars are located at points
where the picker stick is subjected to the great
est >»strainand‘cushioning >elements lare located
at‘ other"pointswherel the picker'stick is sub
jected-to sudden pounding or thrustingaction.
What is claimed-is:
The'combination vwith a Ípicker sti’ck,.'a"cush-
icning strip thereon, and‘collars'embracing the
>picker' stick-‘and constituting ‘means >for ‘holding
the cushioning-»strip in position,`of a‘link ern
bra'ci'ng the’ picker»` stick between1 the collars' for
attachment tofafsweep'stickg--said'link having a
longitudinal slot in Whichïthe Apicker-stick is
mounted` to 'work-#andla- cushioning pad inter
posedî-between.onel‘walllof the slot-and the picker
stick forr engagement with ïthe cushioning >strip
„ onîáthe‘»picker-J stick», said-«pad including‘overlying
strips of‘îiiexible‘.material-folded upon themselves
to' form asiiigle«loops-atîïits sides thev loop -being
cut away> beiotvnthe’ »fold “in ‘ the-#pad -to `receive
and be. supported! soie-lyby‘thelsides Vof the link
‘hereby to hold the »fold y»DO-l‘tion'- ofïth'e- »loop in
positionv >tot contracttandï'expand >when subjected
successively to: pressurefbyand` release from the
picker stick, those portions oflïthe 'strip-slbetween
.the cutilaway.î sidefbeinglextendéd'across‘ the slot
to the usual springëiß. A.v cushioning stripliii 45 andthe link.
can be held between thestrap andthe rounded
i HAROLD CARLSON.
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