Improvements in or connected with Velocipedes or the like.
Year: 1896

page_text: PROVISIONAL SPECIFICATION.
Improvements in or connected with Velocipedes or the like. .
I, ANTOINE REYROL, of 20 Rue des Acacias, Paris, in the Republic of France,
Mechanician, do hereby declare the nature of this invention to be as follows:-
This invention relates to a system of mechanical driving gear for velocipedes
of all kinds, the employment of which enables the usual chain to be dispensed
with, whilst in operation it requires less power than similar mechanism whilst at
the same time it ensures a swift and easy motion to the vehicle.
In order that the invention may be clearly understood, I have represented one
form thereof in the accompanying drawings, by way of example.
In the drawings,
Figure 1 is a general view of the complete driving gear, constructed in accordance
with the present invention and applied to a bicycle;
Figure 2 illustrates the arrangement of the bar sectors;
Figure 3 is a detached detail view showing the balance lever and the rods
which limit the extent of motion of the sectors;
Figure 4 is a vertical section taken on the line 1-2 of Figure 5, showing more
particularly the stops or tappets of the sectors and levers ;
Figure 5 is a vertical section and an elevation showing in detail the toothed
wheels and the ratchet wheels, carried by the rear wheel of the machine; and
Figure 6 is a vertical section taken on the line 3-4 of Figure 5, showing the
arrangement of the toothed wheel, ratchet wheel and pawls.
In the several figures in which like letters refer to corresponding parts, Figure 1
is drawn to a reduced scale with respect to the other figures of the drawings.
As will be seen from the drawings, ny improved driving gear comprises two
levers ab one end of each of which is provided with a pedal c whilst on the
opposite end of each is fixed a sector d provided with transverse bars e. These
levers a bare mounted upon and oscillate around an axis of motion f carried by
the frame g of the machine. They may be telescopic, that is to say, one part
may be capable of sliding within the other, in order to increase or diminish the
length of the arms of the levers a b in order to regulate the position of the
pedals by placing them nearer to or farther away from the pivot or axis of
rotation f.
Each of the sectors d transmits the motion of its lever a or b to a small toothed
wheel mounted loosely on the shaft or axle i of the driving wheel k.
Upon the hub of each of the toothed wheels h there is screwed a box or case i,
within which are mounted the pawls m which are held in contact with the ratcbet
wheel m by springs o.
The ratchet wheel n fixed to the shaft i carries a ring or collar p whereon are
mounted the spokes g.
In order to prevent the sectors d getting out of gear while the machine is in
motion a balance lever is pivotted at s to the machine frame g. This balance
lever r is connected to each of the levers a by means of a kind of pump t,
whilst a spring controlled stop or catch u, which is connected to the frame y by
a collar vis intended to limit the extent of movement of the levers a b.
A band brake x is arranged in a convenient position upon one of the rings or

page_text: collars p so as to be capable of either reducing the speed of motion of the machine,
or bringing the same to a dead stop.
It will be understood from the foregoing that in order to propel the machine,
the wheel k is driven through the ratchet wheels secured to the shaft or axle i,
by means of the toothed wheels / operated or controlled by the sectors d.
The toothed wheels h which transmit motion to the ratchet wheels a owing to
their peculiar and independent situation are a source of energy which is usefully
distributed during the rotation of the wheel k.
It will be understood that the shapes and dimensions of the pirts details of
construction and materials may vary without departing from the principle of the
invention.
Dated this 10th day of June 1896.
WHITE & WOODINGTON,
27 Southampton Buildings, London, Agents.
verocrpedes or the nке.
I, ANTOINE REYROL, of 20 Rue des Acacias, Paris, in the Republic of France,
Mechanician, 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 :-
This invention relates to a system of mechanical driving gear for velocipedes
of all kinds the employment of which enables the usual chain to be dispensed with,
whilst in operation it requires less power than similar mechanism, whilst at the
same time it ensures a swift and easy motion to the vehicle.
In order that the invention may be clearly understood I will refer to the drawings
accompanying my Provisional Specification in which I have represented one form
thereof by way of example.
In the said drawings,
Figure is a general view of the complete driving gear, constructed in
accordance with the present invention and applied to a bicycle;
Figure 2 illustrates the arrangement of the bar-sectors;
Figure 3 is a detached detail view showing the balance lever and the rods which
limit the extent of motion of the sectors,
Figure 4 is a vertical section taken on the line 1-2, of Figure 5 showing more
particularly one of the stops or tappets controlling the sectors and levers.
Figure 5 is an elevation partly in section showing in detail the toothed wheels
and the ratchet wheels, carried by the rear wheel of the machine, and
Figure 6 is a vertical section taken on the line 3-4 of Figure 5 showing the
arrangement of the toothed wheel, ratchet wheel and pawls.
In the several figures in which like letters refer to corresponding parts, Figure 1
is drawn to a reduced scale with respect to the other figures of the drawings.
As will be seen from the drawings my improved driving gear comprises two
levers a b, one end of each of which is provided with a pedal c whilst on the
opposite end of each lever is fixed a sector d provided with transverse bars e.
These levers a b are mounted upon and oscillate around an axis of motion f
carried by the frame g of the machine.
The levers a b may be telescopic, that is to say each may be in two parts, and
one part may be capable of sliding within the other in order to increase or
diminish the length of the arms of the levers a b in order to regulate the position
of the pedals by placing them nearer to or farther away from the pivot or axis of
rotation f.