Improvements in the Construction of Brakes for Velocipedes.
Year: 1894

page_text: Date of Application, 3rd Nov.. 1894-Accepted, 8th Dec., 1894
COMPLETE SPECIFICATION.
Improvements in the Construction of Brakes for Velocipedes.
I, ALBERT FARNELL, of 62 Manningham Lane, Bradford, in the County of
York, Cycle Manufacturer, 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 invention relates to improvements in the construction of brakes for the wheels
of velocipedes, having for its object the construction of a brake having as few parts
as possible, and by the application of which, the tyre of the machine cannot be
injured, even when the brake block has worn away.
Referring to the appended sheet of drawings, the figures of which are marked
with letters of reference :
Fig. 1 illustrates a side elevation, and Fig. 2 a front elevation of my
improvements.
In order to effect my object, I employ a brake rod, a, working in suitable guides,
and connected to a hand lever in the usual way. This rod, at the end adjacent to
the tyre b, of the wheel, is turned approximately at right angles over the wheel.
This portion forms a spindle, c, for a polygonal rubber block, d, or block of like
material, which is retained or held on the spindle by the pap or holding notch, e.
This notch may be formed with the spindle, or, may be attached thereto by means
of a set screw as shown in Fig. 3. Whichever method is adopted, the notch, e,
does not extend below the underside of the spindle, c, so that, when the rubber
block is removed or worn away, there is presented to the tyre of the wheel a
perfectly even surface. In Fig. 1 the tyre, b, is shown in dotted lines with the
spindle, c, brought close against same, which is the relative position the parts
would occupy if the block, d, were worn away, and the brake applied.
As there is no part of the mechanism extending below the underside of the
spindle, a perfectly even surface is presented to the tyre, and no damage or rupture
can take place.
A method which has hitherto been employed for cycle brakes is shown in Fig. 4,
wherein a rubber block is held in a frame by a pin, p. In this arrangement it will
be seen that part of the frame extends below the underside of the pin, p, so that,
when the said block is partially worn away, and the brake applied, that part of the
frame extending below the pin will come into contact with the tyre and cause
damage thereto.
The block, d, can be turned on the spindle, so that, when one side is worn, another
side can be turned to the tyre.
When the holding notch e, is formed with the spindle, c, the block, d, has to be
made of more pliable material so that it can be stretched sufficiently to pass over
same.
If desirable, the rod, a, may be forked to form two spindles as above described,
and by this means two blocks, d, brought into contact with the tyre.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed 1 declare that what I
claim is:
1. A brake for velocipedes arranged in the manner as shown and described.
2. A brake for velocipedes consisting of a block of rubber, d, or like material,
mounted loosely on a spindle, c, and held thereon by a notch, e, so that when the

page_text: said block is worn, and the brake applied, a perfectly even surface is presented to
the tyre, arranged substantially as hereinbefore described, and illustrated by the
accompanying drawings.
Dated this 2nd day of November 1894.
J. SIDNEY CRITCHLEY,
27, Kirkgate, Bradford, Agent for the Applicant.