IMPROVEMENTS IN DISTANCE INDICATORS FOR BICYCLES, CABS AND OTHER VEHICLES
Year: 1884

page_text: I, JOHN WILLIAM BROWN Mechanical Engineer Mersey Bank Seacombe Cheshire
do hereby declare the nature of said invention for IMPROVEMENTS IN DISTANCE
INDICATORS FOR BICYCLES, CABS AND OTHER VEHICLES, to be as follows:-
Namely a train of wheels which are moved by "a governor made in the form of
a semi-circular Spring (A) and so ballanced by a weight attached (B). Seperate
from which and close to the outside radai of the Spring and weight; is a circular
pecce of metal with notched edges (C) against which and nearly touching, the
governor or weighted Spring revolves and moves by means of the endess screw (D))
which is attached to the Spring (A) And train of wheels, and so recording on the
dial with two hands (similar to a watch) in yards and miles the distances travelled.
I particularly claim as new "The Governor, Spring, and Friction Ring, as attached
by the endless Screw to the train of wheels as above explained, The action of
which is particularly to record by means above explained, not only the distance
travelled without any special gearing to the Bicycle or Cab wheel (to which it is
simply attached either to the spokes, or the hub by a leather Strap) but also to do
so accurately in running over stone sets or the roughest Roads
The effect being
"
in running over Stones, the expansion of the Spring (A) causes the end of the
weighted Spring (B) to be thrown against or into the notches of the friction
ring (C) which on revolving has a zig zag motion following the motion of the
wheel to which it is attached and so by this means allowing one revolution only of
the governor to one revolution of the wheel to which it is attached and so
recording accurately by this means on the dial the distances run.
Dated this 31st day of March 1884.

page_text: JOHN WILLIAM BROWN Mechanical Engineer Mersey Bank Seacombe Cheshire
I JOHN WILLIAM BROWN do hereby declare the nature of said invention for
IMPROVEMENTS IN DISTANCE INDICATORS FOR BICYCLES, CABS AND OTHER
VEHICLES and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
Namely a train of wheels which are moved by a Governor made in the form of a
semi-circular Spring A and so ballanced by a weight attached B Seperate from
which and close to the outside radai of the spring and weight is a circular piece of
metal or friction Ring which is roughned or notched C against which and nearly
touching, the Governor or Weighted Spring revolves and by means of the endless
screw D which is attached to the Spring A, moves the train of wheels and so
recording on the dial with two hands E (similar to a watch) in yards and miles the
distances travelled, The action of which is particularly to record by this means
_not_only_the_distance_travelled_without_any_special_gearing_to_the_Tricycle_or_cab_
wheel to which it may have been attached but also to do so accurately in running
over Stone sets or the roughest roads, the effect in running over stones or unequal
surfaces being, the expansion of the Spring A causes the end of the weighted
Spring B to be thrown against or into the notches of the friction Ring C which in
revolving has a zig-zag motion following the motion of the wheel to which it is
attached and so by this means allowing one revolution only of the governor to one
revolution of the Bicycle or other wheel to which it may have been attached and
so recording accurately by this means as above explained the distances in miles
and yards run, on the dial.
"
Baving 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
1 claim is―
1st. The governor or weighted Spring A.
2nd The friction Ring C.
3rd The endless Screw D in combination with A and C acting on the train of
wheels.