Crank Arms of Looms for Weaving.
Year: 1887

page_text: Date of Application, 27th June, 1887
Complete Left, 27th Oct., 1887
Complete Accepted, 29th Nov., 1887
and Crank Arms of Looms for Weaving.
I THOMAS SINGLETON of Bank Top Works, Darwen in the County of Lancaster,
Machine Maker, do hereby declare the nature of this Invention to be as follows:-
―
My brake consists of a ☐ shaped lever upon which is fixed the shoe, the lever
is pivotted at the back of the loom frame, the shoe acts upon the brake wheel above
the centre, so that the brake helps to pull on the shoe, the lever passes downwards
and forwards to the knocking off handle, the lever is slightly curved, and pivotted in
such a position that it leaves sufficient clearance for operating the brake wheel by
hand when required.
To existing brakes I add a shoe lever pivotted on its own stud, the shoe lever being
in close contact with the old brake lever, is put on by the old brake lever, but the
strain is upon the stud of the shoe lever.
IMPROVED SPRING HEATER BRACKET.
I construct my bracket of wrought or sheet iron, welded or wrapped over a pin, to
form the required joint, and to dispense with turned or drilled brackets, a loose heater
provided with a slot for adjustment is secured to the bracket by a bolt, the spring
being applied behind as in my former patent No. 224387.
My improved crank arm consists of the arm being screwed and carrying two nuts,
and two loose collars, the straps are of leather or metal, and are each secured to one
of the loose bushes, so that by turning the nuts one way or the other, the straps
tighten or slacken the bearings or necks.
The loose collars may be connected by a screw for adjustment, so that on turning
the screw one way or the other both straps or necks are tightened or slackened
at once.
Dated this Twenty nith day of June 1887.
I construct my bracket of wrought or sheet iron, welded or wrapped over a pin, to
form the required joint, and to dispense with turned or drilled brackets, a loose heater
provided with a slot for adjustment is secured to the bracket by a bolt, the spring
being applied behind as in my former patent No. 224387.
My improved crank arm consists of the arm being screwed and carrying two nuts,
and two loose collars, the straps are of leather or metal, and are each secured to one
of the loose bushes, so that by turning the nuts one way or the other, the straps
tighten or slacken the bearings or necks.
The loose collars may be connected by a screw for adjustment, so that on turning
the screw one way or the other both straps or necks are tightened or slackened
at once.
JOHN E. WALSH,
Crossley Street, Halifax,
Agent for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in Brakes, Brake Shoes, Heater Spring Brackets,
and Crank Arms of Looms for Weaving.
I THOMAS SINGLETON of Bank Top Works, Darwen in the county of Lancaster,
Machine Maker 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 :-
My brake consists of a shaped lever, upon which is fixed or pivotted the
shoe, the lever is pivotted at the back of the loom frame, the shoe acts upon the brake
wheel, a little on one side of the wheel above the centre, so that the brake wheel helps
to pull on the shoe, the lever passes downwards and forwards to the knocking off
handle, the lever is slightly curved and pivotted in such a position that it leaves
sufficient clearance for operating the brake wheel by hand when required.
To existing brakes or brake levers, I add a shoe lever pivotted on its own stud, the
shoe lever being in close contact with the old brake lever, and is put on by the old
brake lever, but the strain is upon the stud of the shoe lever.
My improved crank arm consists of the arm being screwed, and carrying two nuts,
and two loose collars, the straps are of leather or metal, and are each secured to one
of the loose collars, so that by turning the nuts one way or the other, the straps
tighten or slacken the bearings and so regulates each end of the crank arm
separately.
The loose collars may be connected by a screw for adjustment, so that on turning
the nuts of the screw one way or the other, both straps or necks are tightened or
slackened.
Improved spring heater bracket. I construct my bracket of wrought sheet iron,
welded or wrapped over a pin to form the required joint; and so dispense with
turned pins, studs, or drilled brackets; a loose heater provided with a slot for
adjustment is secured to the hinged bracket by a bolt, the spring is applied behind, as
in my former patent, application No. 224387 the bracket is regulated by a bolt with
two nuts.
Fig. 1 is a front elevation of my brake lever with pivotted shoe.
Fig. 2 shows the pivotted shoe applied to existing brake levers.
Fig. 3 shows a modification of Fig. 2.
Fig. 4 shows an elevation of my improved adjustable crank arms.
Figs. 5, 6 and 7 are modifications of Fig. 4.
3
Figs. 8 and 9 are end and front elevations of my improved spring heater bracket.
My brake (see Fig. 1) consists of a ✓ shaped lever A, upon which is fixed or 3
pivotted the shoe B, the lever is pivotted at Cat the back of the loom frame D, the

page_text: shoe acts upon the brake wheel E, above the centre, so that the brake wheel helps to
pull on the shoe, the lever passes downwards and forwards at one side of the wheel,
to the knocking off handle F, the lever is slightly curved, and pivotted in such a
position, that it leaves sufficient clearance for operating the brake wheel by hand
when required.
To existing brakes or brake levers A', I add a shoe lever B', pivotted on its own
stud G, the shoe lever being in close contact with the old brake lever A¹, and is put
on by the old brake lever but the strain is upon the stud G of the shoe lever.
My improved crank arm consists of the arm H being screwed and carrying two
nuts J, J, and two loose collars K, K, the straps L are of leather or metal, and are
each secured to one of the loose collars K, so that by turning the nuts J, one way
or the other the straps L tighten or slacken the bearings or necks N, and so regulato
each end of the crank arms separately.
The loose collars K, K, may be connected by a screw P, for adjustment, so that on
turning the nut of the screw one way or the other, both straps or necks are
tightened or slackened.
Improved spring heater bracket. I construct my bracket R of wrought sheet iron
or steel, welded or wrapped over a pin S, to form the required joint, and so dispense
with turned pins, studs, or drilled brackets; V is a loose heater provided with a
slot V for adjustment, and is secured to the bracket by a bolt, the spring is applied
behind, as in my former patent the bracket is regulated by a bolt, with two
nuts Y,
Y.
Having now particularly described and ascertained the nature of this invention
and in what manner the same is to be performed, I would have it understood, that I
am aware that band or strap brakes have been applied in various positions to the
brake wheels of looms steam cranes, and printing machines, such applications being
old, I lay no claim to a band or strap brake in whatever position it acts upon the brake
wheel, but I declare that what I claim is :-
1. In shoe brakes for looms, the use of a pivotted shoe in combination with the
brake lever acting upon the brake wheel in the manner and for the purposes as
shown and described.
2. The adjustable crank arms such as shown and described.
3. The spring heater brackets such as shown and described.
JOHN E. WALSH,
Crossley Street, Halifax,
Agent for the Applicant.