AN IMPROVED BICYCLE SAFETY ATTACHMENT FOR LEARNERS
Year: 1884

page_text: I WILLIAM BEVAN of Florence Road New Cross in the County of Kent, Publican
do hereby declare the nature of the said Invention for AN IMPROVED BICYCLE
SAFETY ATTACHMENT FOR LEARNERS to be as follows:-
My Invention relates to an improved safety attachment to be applied to bicycles
to prevent falling in learning to ride the same and the Invention consists in the
application to the steering fork of a pair of detachable downwardly and outwardly
extending arms which terminate each in a fork wherein is mounted a wheel adapted
to bear on the ground and support the vehicle sideways so as to prevent falling
over without impeding the forward motion of the bicycle.
These arms pass behind the treadle cranks and may be cranked to pass partly
around the axle and are adjustably bolted or otherwise secured to the steering fork
in such manner that the height of the wheels from the ground may be varied to
suit the proficiency of the rider.
D

page_text: I WILLIAM BEVAN of Florence Road, New Cross in the County of Kent, Publican
do hereby declare the nature of this Invention for " AN IMPROVED BICYCLE SAFETY
ATTACHMENT FOR LEARNERS" and in what manner the same is to be performed,
to be particularly described and, ascertained in and by the following statement:—
This Invention will be best understood by reference to the accompanying
Drawings in which Fig. 1 is a side elevation of a bicycle fitted with this appliance.
Fig. 2 an end view of the same and Fig. 3 a detail view.
To each side of the fork of the large wheel is secured an arm A preferably
extending outwardly as shown so as to afford a broader wheel base as in Fig. 2 and
carrying the little wheel B, the height of which can be adjusted so as to be nearer
to or farther from the ground according to the wish of the rider. As shown in
Fig. 2 the wheels are upon the same level as the large wheel and the machine is
well supported, so that a person ignorant of the art of riding a bicycle can ride
a machine fitted with this appliance. If the wheels B be raised from the ground a
couple of inches or so, considerable swaying of the machine will be possible without
its quite tumbling over.
The adjustability of the height of the wheels B may be provided for where its
fork joins the arm, or the whole arm may be adjustable upon the fork of the large
wheel as shown in Fig. 3 where A is the arm having slots D fitting over pins or
bolts E the nut or head of which may be screwed up tight so as to fix the arm at
the exact position desired.
In Fig. 2 the upper portion F¹ of the fork F which carries the little wheel is
screw threaded and screws into the boss G at the end of the arm A a lock nut H
fixing it in position.
If preferred the part F¹ may be squared for part of its length to fit a correspond-
ingly shaped hole in the boss G, so that the wheel may not be turned sideways and
inay always run parallel with the large wheel; in this case a long barrel nut is
provided upon the boss, so that it can be turned at pleasure and force the fork up
or down the end of the part F beyond the square being screwed for this purpose.
Having now particularly described and ascertained the nature of iny said
Invention and in what manner the same is to be performed I declare that what
I claim is
1. The combination with the stearing fork of a bicycle of a downwardly extending
arm A adjustable upon the said stearing fork and carrying the auxillary wheel B
substantially as and for the purpose specified.
2. The combination with the arm A rigidly attached to the stearing fork of
a bicycle, of the auxillary wheel B adjustably connected with the said arm for the
purpose specified.
3. The combination with the stearing fork of a bicycle of the safety attachments
for learners consisting essentially of the auxillary wheels B adjustably connected
with the said stearing fork for the purpose specified.
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