Looм Shuttles
Year: 1874

page_text: COMPLETE SPECIFICATION filed by Joel H. Lo Moyne at the Office
of the Commissioners of Patents, with his Petition and Declaration,
on the 7th December 1874, pursuant to the 9th Section of the
Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOEL H.
LE MOINE, of Boston, in the County of Suffolk, and State of Massa-
chusetts, one of the United States of America, send greeting.
""
WHEREAS I am in possession of an Invention for “Looм Shuttles,'
and have petitioned Her Majesty to grant unto me, my executors, ad-
ministrators, and assigns, Her Royal Letters Patent for the same, and
have made solemn Declaration that I really believe myself to be the
first and true Inventor thereof.
NOW KNOW YE, that I, the said Joel H. Le Moyne, do hereby
declare that the following Complete Specification, under my hand and
seal, fully describes the nature of my said Invention, and the manner
in which the same is to be performed (that is to say) :—
My Invention consists in improvement in devices or mechanism to
effect the secure holding of a cop on the spindle while the shuttle may

page_text: be in operation, such being accomplished by making the spindle ex-
pansive laterally, and providing it with mechanism for so expanding it
while it may be in the act of being turned down into the body of the
shuttle, the spindle being elastic in the expansive parts, so as to readily
contract while being raised up or out of the shuttle.
On the Drawings Fig. 1 represents a ground plan, Fig. 2 a horizontal
section, and Fig. 3 a vertical section of a shuttle provided with my
Invention.
In the Drawings A represents the shuttle body, and B the spindle in
the usual way. The spindle is split lengthwise from near its heal to
near its point, and has each portion a, a, bowed in a manner as repre-
sented, the expansible parts a, a, being elastic like a bow, and provided
with two cams or projections b, b, which may be countersunk, so as to
embrace the extreme end c of the rod or expander C. The rod or
expander C is wedge shaped or conical, as represented at c, and is
arranged and applied so as to be capable of sliding lengthwise freely
within the spindle, and it extends back through the spindle head h,
where it is forked and provided with a pin e, that is made to move
freely in a curved slot ƒ on the stationary metallic plate g that is
secured to the body of the shuttle. i is the fulcrum around which
the spindle is turned during the raising or lowering of the same.
The operation of my Invention is as follows:-In the act of raising
the spindle the rod C is drawn backwards by the automatic action of the
pin e in the curved slot f, by which the extreme end c of the rod C is
withdrawn from the cams or projections b, b, by which the bowed
parts a, a, will simultaneously be moved towards each other, when a cop
can easily be withdrawn from or replaced on the spindle, but as soon as
the spindle is being turned down into its working position the rod C is
automatically moved forwards within the spindle through the agency of
the pine working in the curved slot f, by which the extreme wedge
shaped or conical end c of the rod or expander C is forced between tho
cams or projections b, b, thereby expanding the elastic parts a, a, in a
lateral direction, by which the spindle is enlarged from the middle
towards its outer end, and thus effectually securing the cop on the
spindle during-its operation in the loom.
By my Invention the expansion of the spindle at or near the middle
of its elastic bows can be effected to greater advantage than by a long

page_text: wedge acting mainly on the inner surfaces of the bows; and further-
more the addition of the countersunk cams or projections to the bows
assist in forcing the wedge shaped or conical end of the expander back-
wards in the expansive spindle during the raising of the latter without
any liability of the expander being moved sideways out from the slit in
the spindle.
In Fig. 4 I have shown as an equivalent of the slotted plate f, g, and
forked cnd and pine of the rod or expander C, shown in Figs. 1, 2,
and 3, a hook k on the rear end of the expander O, that serves in com-
bination with the stationary pin to draw the expander backwards when
the spindle is raised out of the shuttle so as to liberate the cop, and in
combination with the incline m to force the expander C forwards when
the spindle is turned down into the shuttle, by which the conical or
wedge shaped end of the expander is forced between the countersunk
projections in the spindle, as heretofore described, and thereby holds the
cop firmly on the spindle, and prevents the breaking of the thread when
the shuttle is used in the loom.
What I wish to secure by Letters Patent and claim is, in combination
with the expansive shuttle spindle B, and the expander O thereof, the
cone or wedge cat the end of the latter, and the countersunk cams or
projections b, b, of the former to operate by the inherent elasticity of the
bows a, a, and the pine working in the groove or slot for their equi-
valents, as herein described, to force back the expander while the spindle
may be in the act of being raised, and to expand the bows a, a, when
the spindle is being turned down, as herein shown and set forth.
In witness whereof, I, the said Joel H. Le Moyne, have hercunto
set my hand and scal, at Boston, Massachusetts, in the U. S. of
America, this Twenty-fourth day of November, 1874, A.D.
) Witnesses,
ALBAN AUDRÉN,
JOHN R. HEARD.
JOEL H. LE MOYNE. (L.S.)