Improvements in Velocipedes.
Year: 1896

page_text: PROVISIONAL SPECIFICATION.
Improvements in Velocipedes.
I, JAMES ROBSON, of 3, Devonshire Place, Selby Park, in the County of Worcester,
Mechanical Engineer, do hereby declare the nature of this invention to be as
follows:-
My invention of improvements in velocipedes, consists in fixing the crank brackets
of safety bicycles on to, or near to, the ball head, and fixing the cranks on the chain
wheel axle, in the same position to each other, on each end of the axle, so that the
feet of the rider moves together in the same in and out stroke, similar to rowing,
when he is seated on the saddle and holding the handle bar. A chain wheel and
chain communicates the motion to the rear wheel hub.
My next improvements are in driving chains used on velocipedes. I connect the-
side plates of such chains by hard tempered steel pins made in the following way.
The pins when soft have a head made on them at one end, and a nick or gutter cut
round the other end, or screw threads with cuts in them across the threads. The
pin is then tempered hard and passed through the side plates and intermediate blocks,
with the nicked end of the pin projecting. The pin has now a soft metallic washer
forced over its end and then the washer is closed, or squeezed tightly into and
around the nick, or threads of the pin's end; a split steel ring may be sprung into
the nick.
Nickel steel may preferably be used for making the plates, blocks, and pins, as.
being stronger than ordinary steel.
01
CAL 1000
Improvements in Velocipedes.
I, JAMES ROBSON, of 3 Devonshire Place, Selby Park, in the County of Worcester,.
Mechanical Engineer, 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 of improvements in velocipedes consists in fixing the crank brackets
of safety bicycles on to, or near to, the ball head, and fixing the cranks on the chain
wheel axle, in the same position to each other, on each end of the axle, so that the
feet of the rider move together in the same, in and out stroke similar to rowing,.
when he is seated on the cycle saddle and holding the handle bar. A chain or
band wheel communicates the motion to the rear driving wheel hub.
My next improvements are in driving chains used on velocipedes, I connect the
side plates of such chains by hard tempered steel pins, male in the following way..
The pins when soft have a head made on them at one end, and a nick or groove cut
round the other end, or screw threads with cuts in them across the threads. The pin.

page_text: is then tempered hard and passed through the side plates and intermediate blocks,
with the nicked end of the pin projecting. The pin has now a soft metallic washer
forced over its end and then the washer is closed, or squeezed tightly into and
around the nick, or threads of the pin's end; or a split ring may be sprung into
the nicks.
Nickel steel may preferably be used for making the plates, blocks, and pins as
being stronger than ordinary steel.
For the purpose of more fully showing how my invention is carried into practice,
reference is to be had to the accompanying drawings, similar parts in the different
views being indicated by the same numerals.
Fig. A. and B. represent my improved safety bicycle. The rider sitting in the
saddle 1 holds and steers by the handle bar 2 and by his feet placed on the crank
pins 3 turns the chain or band wheel 4 running in a bracket 5 attached to or near to
the machine head; a chain or band 6 communicates the motion of the crank wheel +
to the hub 7 on the rear wheel 8; or the rider may place his feet on the foot
rests 9 attached to the fork sides and thus obtain a fulcrum and steer the machine,
while grasping the crank pins 3 and propel the machine as in the former method;
both motions being similar to rowing a boat.
Figs. C. and D. show my improved driving chain, 10 are the side plates 11 the
blocks or rollers may be used 12 the pins which I make of steel which are formed
with a head 13 at one end and with a groove 14 round the other end. They are
then hardened and when passed through the blocks and side plates have a soft
metallic washer squeezed, or forced, into the pin groove, to retain the pins in their
places. The spring washer is shown at Fig. E.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what I
claim is
1. A safety bicycle in which the rear wheel is driven by a chain, or other
connection, from a wheel and cranks, working in bearings, attached to, or near the
steering head; which wheel is turned by cranks and pins by the feet of the rider, as
described and shown at Figs. A. and B.
2. A safety bicycle in which the rear wheel is driven by a chain, or other
connection, from a wheel and cranks, working on bearings attached to, or near, the
steering head; which wheel is turned by cranks and pins, by the hands of the rider,
combined with steering foot plates, attached to the forks of the front wheel, as
described and shown at Figs. A. and B.
3. Connecting the side plates and intermediate blocks, or rollers, in driving chains
by hardened steel pins passing through them; which pins are retained in their places
by a soft metallic washer squeezed, or forced, into a groove formed near the end of
the pin, as described and shown at Figs. C. and D.
Dated this 8th day of January 1897