Year: 1888

page_text: Date of Application, 25th June, 1883
Complete Specification Left, 25th Mar., 1889
Complete Specification Accepted, 8th June, 1889
RESERVE CO
We, PETER WHITTAKER, of 40 Johnson Street, Blackburn in the County of
Lancaster, Overlooker, and GEORGE HENRY BARNES, of 121 Grane Road, Haslingden,
in the County aforesaid, Overlooker, do hereby declare the nature of this invention to
be as follows:-
This invention relates to improvements in the "letting off" motion of looms for
weaving, and the object is to "let off" the warp as the cloth is woven and "taken up,"
and to utilize the motion of the "take up" to operate the "letting off" motion, and
to dispense with the levers, and weights as heretofore employed-and this invention
consists of a combination of chains, or driving belts, and pulleys for transmitting
motion, and a lever or brake for applying pressure to the axle of the warp beam-the
letting off" motion being operated by the pulleys, and chains from the emery, or
taking up" roller:
66
According to this our said invention on the axle of the "taking up," or emery
roller, which is operated as ordinary, is a toothed pulley over which is passed a linked
driving chain, which drives a similar pulley on the bottom shaft of the loom and on
this shaft is another toothed pulley, which by a linked chain drives another pulley on
the axle of a wood roller, formed the same diameter as the emery, or "taking up"
roller, which is fixed in the loom frame underneath the warp beam, above this roller,
and below the warp beam is another wood roller the axles at the ends of which rest in
a hollow, or recess in two upright levers, one at each end of the loom, and extending
from the axis of the bottom wood roller, to and over the axle of the warp beam, and
the upper portion being faced with wood, or leather, forms a break shoe. The warp
in passing from the warp beam is taken over, and outside the middle wood roller, and
inside, and under the bottom roller thence over the back beam of the loom to the reed.
The dragging action of the warp tends to press the middle roller axles into the hollows,
or recesses in the two upright levers thus applying pressure of the brake on the axle
of the warp beam, the said levers having the axle of the bottom roller as a fulcrum..
j

page_text: The bottom wood roller being directly driven from the emery roller draws off the
warp from the beam in the same ratio as it is "taken up
Dated this 22nd day of June 1888.
,
or woven.
WALTER BRIERLEY,
Town Hall Buildings, Halifax,
Agent for the Applicants.
We, PETER WHITTAKER of 40 Johnson Street, Blackburn in the County of
Lancaster, Overlooker, and GEORGE HENKY BARNES, of 121 Grane Road Haslingden,
in the County aforesaid, Overlooker, do hereby declare the nature of this invention
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
This invention relates to improvements in the "letting off" motion of looms for
weaving, and the object is to "let off" the warp as the cloth is woven, and "taken
up," and to utilize the motion of the "take up" to operate the "letting off" motion,
and to dispense with the levers and weights as heretofore employed, and this invention
consists of a combination of chains or driving belts, and pulleys for transmitting
motion, and a lever or brake for applying pressure to the axle of the warp beam, the
letting off" motion being operated by the pulleys, and chains from the emery, or
"taking up" roller.
"
According to this our said invention, a toothed wheel which is driven by link or
devil chain at the same speed as the "taking up" roller, is fixed on the axle of a wood
roller, formed the same diameter as the emery, or "taking up" roller, which wood
roller is fixed in the loom frame underneath the warp beam, above this wood roller,
and below the warp beam, is another wood roller the axles at the ends of which rest in
a hollow, or recess in two upright levers, one at each end of the loom. The warp in
passing from the warp beam is taken over, and inside, and under the bottom roller,
thence over the back bearer of the loom to the reed. The dragging action of the warp
tends to press the middle roller axles into the hollows, or recesses in the two upright
levers thus applying pressure on the bottom roller.
"
or woven.
The bottom wood roller being driven by chain and
gear from the emery roller draws
off the warp from the beam in the same ratio as it is "taken up
Such being the nature and object of this our said invention, the following is a
complete description of same reference being had to the accompanying drawings :
Fig. 1. is a side elevation of part of loom having our improvements applied
thereto

page_text: At 1 is the gear wheel and chain wheel 2 corresponding wheels 3-4 being con-
nected by the chain 5. The wheel 4 gears with and drives 5ª on end of roller 6 above
which is the roller 7 its axles being mounted and capable of movement in the curved
bearing 8.
The warp 9 from the beam 10 passes partly round the wood roller 7 thence bears
on and passes under the roller 6 upward to the back bearer 11 and to the healds.
The warp
9 in passing from the beam 10 from which it was drawn by means of the
chain gear in such quantity as required and determined by the take up of cloth as woven is
nipped between the rollers 6 and 7 and this nipping and holding suffices in lieu of
weights and the degree of grip is determined by the strain put upon the warp because
the roller 7 being moved its axis following the curved line of the bearings 8 approaches
nearer to the axis of the wheel 7 in a degree sufficient to give the requisite amount of
hold.
The gear and chain wheels are driven by gear wheels, and chain from the axle of
the emery roller or from any convenient going part of the loom, and the wood roller 6
is driven at the same speed as the taking up or emery roller 12 so that warp is let off
at the same speed as taken up.
Having now particularly described and ascertained the nature of this our said
invention, and in what manner the same is to be performed, we declare that
what we claim is :
The gear and chain, the rollers 6 and 7 when applied as and in combination the
warp beam of a loom for purpose described and as illustrated by drawing annexed.
Dated this 23rd day of March 1889.