IMPROVEMENTS IN TWISTING OR DOUBLING MACHINERY
Year: 1876

page_text: LETTERS PATENT to Jesse Lumb, of Huddersfield, in the County of York,
Worsted Spinner, for the Invention of "IMPROVEMENTS IN TWISTING OR
DOUBLING MACHINERY."
PROVISIONAL SPECIFICATION left by the said Jesse Lumb at the Office of
the Commissioners of Patents on the 15th November 1876.
JESSE LUMB, of Huddersfield, in the County of York, Worsted Spinner.
PROVEMENTS IN TWISTING OR DOUBLING MACHINERY."
IM-.
This Invention relates to machinery for doubling or twisting fibrous substances,
and consists in arranging the delivery rollers of such machines upon a horizontal
shaft. The rollers are mounted loosely upon the shaft, and are caused to revolve
by frictional contact with suitably shaped discs or friction plates fixed to the
horizontal shaft. Around the periphery of the rollers are pins or other projections,
and when the ends break and allow the guide eye lever to fall the end thereon
is presented to one of the pins or projections and prevents further rotation of the
roller, and consequent waste of yarn.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
ss
the said Jesse Lumb in the Great Seal Patent Office on the 15th May 1877.
JESSE LUMB, of Huddersfield, in the County of York, Worsted Spinner. IM-
PROVEMENTS IN TWISTING OR DOUBLING MACHINERY."
This Invention relates to machinery for doubling or twisting fibrous substances,
and consists in arranging the delivery rollers of such machines upon a horizontal
shaft. The rollers are mounted loosely upon the shaft, and are caused to revolve
by frictional contact with suitably shaped discs or friction plates fixed to the
horizontal shaft. Around the periphery of the rollers are pins or other projections,
and when the ends break and allow the guide eye lever to fall the end thereon is
[Prine Ad 1

page_text: presented to one of the pins or projections and prevents further rotation of the roller,
and consequent waste of yarn.
In order that my Invention may be more readily understood I herein give
reference to the accompanying Sheet of Drawings illustrative thereof.
Fig. 1 shews the delivery roller, guide eye, and spindle in working order; Fig. 2
is plan view of Fig. 1; Fig. 3 illustrates the roller when stopped by the guide eye
lever, which occurs when the thread breaks; Figs. 4 and 5 are details shewing con-
struction of delivery roller.
A is a shaft, which extends horizontally from end to end of the machine, and has
continuous rotary motion imparted to it; upon this shaft the delivery rolls B are
mounted.
The roller is composed of several parts, as follows:-C is a boss, on one end of
which is a disc or flange D. Another disc E is keyed on to the boss, and these
discs fit in the countersunk edges of the outer shell or roller B. The friction
between the discs and roller is regulated by spiral spring fitting within the hollow
nut G, by turning which the pressure on the spring is readily adjusted. On the
periphery of the roller are pins or projections H, which when the thread breaks
come into contact with the end h of the guide eye lever J, which overcomes the
frictional adhesion between the discs and roller, and causes the latter to remain
stationary until the lever end is removed. The rollers may be covered with leather
in the usual manner.
Having thus described the nature of my Invention and shewn by Drawings how
the same is to be or may be performed or carried into practice, I would have it
understood that I do not confine myself to the precise details of construction herein
shewn, as the same may be modified, but what I claim as my Invention and con-
sider to be new is,-
Firstly. The employment of the horizontal shaft A, having rollers B mounted
thereon and driven by friction.
Secondly. The employment of the rollers B, having pins or projections H in com-
bination with the guide eye levers, constructed and arranged as and for the purpose
herein shewn and described.
In witness whereof, I, the said Jesse Lumb, have hereunto set my hand and
seal, this Eleventh day of May, in the year of our Lord One thousand
eight hundred and seventy-seven.
Witness,
J. W. TASKER,
Patent Agent,
Halifax.
JESSE LUMB. (L.S.)