Improvements in Bicycles and like Vehicles.
Year: 1895

page_text: Date of Application, 21st June, 1895
Complete Specification Left, 18th Apr., 1896-Accepted, 23rd May,
1896
PROVISIONAL SPECIFICATION.
Improvements in Bicycles and like Vehicles.
I FRANK SULLEY 147 Forest Road Nottingham Machinist do hereby declare
the nature of this invention to be as follows:-
To firmly secure crank arms on the ends of axles employed in bicycles and like
vehicles, one end of each arm is bored through to receive the turned down end of
the axle, a hole is then drilled through the thickness of the arm and in the turned
down part of the axle, half the diameter of the hole being in the axle and the
other half in the arm. The hole so formed is then screwthreaded, and to about
half its depth from the outer end it is bored out conical to receive the conical outer
end of a pin screwthreaded the rest of its length. The outer end of the conical
and screwthreaded pin when screwed in position may be flush or nearly so with the
outside of the arm and axle end. A square or other shaped bole is formed in the
outer end of the pin to receive the suitable shaped end of a key wrench for screwing
up the pin.
Or the outer end of the pin may project beyond the side of the arm and form
a circular flange cut out on each side to receive the ends of a forked wrench for
screwing up the pin.
Dated this Trantinth day of June 1805
H. W. GOUGH, C.E.,
Agent.
I FRANK SULLEY, 147 Forest Road, Nottingham, Machinist, 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:-
DESCRIPTION OF THE DRAWINGS.
Figure 1 shows a vertical sectional view of one end of an axle with a driving
wheel and crank arm secured thereon.
Figure 2 shows an outer end view of the same with a covering plate 3 and
screw 4.
Figure 3 shows the reverse end of the axle with a crank arm secured thereon.
To firmly secure crank arms on the ends of axles employed in bicycles and like
vehicles, one end of each arm is bored through to receive the turned down end of
the axle, a hole is then drilled through the thickness of the arm and in the turned
down part of the axle, half the diameter of the hole being in the axle and the other
half in the arm. The hole so formed is then screw threaded, and to about half its
depth from the outer end it is bored out conical to receive the conical outer end of
a pin 1 screw threaded the rest of its length.
A square or other shaped hole 2 is formed in the outer end of the pin to receive
the suitable shaped end of a key wrench for screwing up the pin.
By such means a driving wheel and crank arm may be clamped and firmly
P77

page_text: secured in position on one end of an axle as shown at Figure 1 or a crank arm alone
as shown at Figure 3.
The outer ends of each axle may then be covered by a plate 3 secured by
a screw 4 to prevent soil filling the hole in the outer end of the pin.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
The construction and employment of conical and screw threaded pins 1 each
provided at its outer end with a hole 2 to firmly secure crank arms on the ends of
axles employed in bicycles and like vehicles.
Dated this Seventeenth day of April 1896.
H. W. GOUGH, C.E.,
Agent.