Improvements in Driving Gear for Cycles and other Vehicles.
Year: 1896

page_text: Date of Application, 6th Aug., 1896
Complete Specification Left, 15th Oct., 1896-Accepted, 28th Nov., 1896
PROVISIONAL SPECIFICATION.
Improvements in Driving Gear for Cycles and other Vehicles.
We, JOHN MARRIOTT, 360 Berridge Road, Hyson Green, Nottingham,
Engineer, and HENRY TOMLIN, 11 Regent Street, New Basford, Nottingham,
Lace Manufacturer, do hereby declare the nature of this invention to be as
follows:-
The driving wheel and the driven wheel have their rims parallel up: to the
teeth, the sides of each tooth is inclined inwards and has a flat top.
The spaces between the teeth terminate in a semicircle and each tooth is
perforated through its thickness.
Each driving chain has each alternate pair of links arched upwards, between
the ends two rollers are placed, the roller and ends of the links lie between the
ends of the next alternate pair of links arched downwards, the four ends being
secured by an axle pin on which the roller revolves. The ends of the axle pin
are turned down conical the holes in the links being bored or otherwise formed
with a reverse cone to receive the ends of the pins, which are rivetted fast in the
ends of the outer links and rock in the conical holes in the ends of the inner
links.
The links may be perforated through the sides; and the outward pairs are
turned slightly outwards at their bottom edges to ensure them clearing the sides
of the wheel rims.
Dated this Fifth day of 1000
H. W. GOUGH, C.E.,
Agent.
COMPLETE SPECIFICATION.
Improvements in Driving Gear for Cycles and other Vehicles.
We, JOHN MARRIOTT, 360 Berridge Road, Hyson Green, Nottingham,
Engineer, and HENRY TOMLIN, 11 Regent Street, New Basford, Nottingham,
Lace 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 :-
DESCRIPTION OF THE DRAWINGS.
Figure 1 shows a side view of portion of a driving wheel of a cycle or other
vehicle with our improvements applied thereto.
Figure 2 shows a side view of a driven wheel and portion of a chain.
Figure 3 shows in plan three pair of links and two rollers of a chain.
Figure 4 a side view of one roller, and Figure 5 a plan of an axle pin, each
severally referred to hereafter.
The driving wheel 1, and the driven wheel 2, have their rims parallel up to the
teeth, the sides of each tooth is slightly inclined inwards and. has a flat top 3.
Price 8d.1

page_text: The spaces between the teeth terminate in a semicircle 4 or nearly so, and each
tooth is perforated through its thickness.
Each driving chain has each alternate pair of links 5 arched upwards, between
the ends two rollers 6 are placed, the rollers and ends of the links lie between the
ends of the next alternate pairs of links 7 arched downwards, the four ends being
secured by an axle pin 8 on which the roller 6 revolves. The ends of the
axle pin are turned down conical, the holes in the links being bored or otherwise
formed with a reverse cone to, receive the ends of the pins, which are rivetted
fast in the ends of the outer links and rock in the conical holes in the ends of the
inner links.
Both series of links may be perforated through the sides and the outward
pairs are turned slightly outwards at their bottom edges as shown at Figure 3 to
ensure them clearing the sides of the wheel rims.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is
The construction and employment in cycles and other wheels of driving chains
composed of alternate pairs of links 5 arched upwards, and other alternate pairs
of links 7 arched downwards, and perforated through the sides, and having their
bottom edges turned slightly outwards, substantially as described for the purpose
specified and illustrated in the drawings annexed.
Dated this Fourteenth day of October 1896.
H. W. GOUGH, C.E.,
Agent.