IMPROVEMENTS IN TRICYCLES
Year: 1885

page_text: I GEORGE TOLSON Prospect House Dewsbury Yorkshire (Wool Extractor)
do hereby declare the nature of my invention for IMPROVEMENTS IN TRICYCLES
to be as follows:-
.
A mechanical arrangement to work with the guiding or steering part of
Tricycles, or can be worked separate if desirable which causes that part of Tricycle
where the saddle, or seat, & Treadles, & in some cases the front or back wheels
(according to make of Tricycle) to lean so as to place the weight of the rider on
the inside wheel or wheels when turning a corner. By this arrangement my object
is the prevention of falling or turning over when turning a corner quickly. To
obtain my object I place between that part I propose to lean as mentioned before
& the other part of Tricycle a neck or joint which has a connection to the guiding
or steering handle or a separate handle if desirable. The connection to be so
arranged that when turning the handle in going round a corner that part of the
tricycle hitherto mentioned places the weight of the rider on the inside wheel or
wheels.
By this arrangement the treadles will (when turning a corner) be placed out of
line with the driving part, & when the connection is by a chain from the treadles
to the driving part, I propose to place small pulleys to guide the chain into its
proper place & when the connection from the treadles to the driving part is by
levers I have suitable swivels & slides to guide the same into their proper places.
Dated this 15th day of August 1885

page_text: отошопе
Irity CiUS.
GEORGE TOLSON Wool Extractor Prospect House Wakefield Road Dewsbury
Yorks. I do hereby declare the nature of my invention for IMPROVEMENTS IN
TRICYCLES and in what manner the saine is to be performed, to be particularly
described and ascertained in and by the following statement :-
A mechanical arrangement to work with the guiding or steering part of tricycles,
or it can be worked with a seperate handle if desirable, which causes that part of
tricycle where the saddle or seat and treadles and in some cases the front or back
wheels (according to make of tricycle) to lean so as to place the weight of the
rider on the inside wheel or wheels when turning a corner. By this arrangement
my object is the prevention of falling or turning over when turning a corner
quickly. To obtain my object I place between that part I operate upon so as to
lean and place the weight of the rider upon the inside wheel or wheels when
turning a corner, and the other part of tricycle a neck or joint which has a
'connection to the guiding or stearing handle, or a seperate handle if desirable, the
connection being so arranged that when turning the handle in going round a
corner, that part of the tricycle hitherto mentioned places the weight' of the
rider in a leaning position on the inside wheel or wheels. By this arrangement in
Tricycles known as the double drivers the treadles will when turning a corner be
placed out of line with the driving part, and when the connection is by'a chain
from the treadles to the driving part I place small pullies to guide the same into
its proper place, and when the connection from the treadles to the driving part
is by levers I have slides and' swivles to keep them in their proper places. In that
class of Tricycle known as single drivers where the saddle is paralell with the
driving wheel the pullies, slides, and swivles will not be required as the treadles
and driving part along with the saddle will place the rider in a leaning position
when turning. So as my invention will be better understood I give reference to
the accompaning sheets of drawings. Fig. 1 and 2. Sheet 1 illustrates a part
sectional elevation of part of a tricycle known as a double driving front steerer
having my improvements applied. V is the handle bar, U is the stearing arm
which works in the frame W, between which I fix an excentric T; S S the straps
and connecting arm to rack R R which works inside the tube frame B; the
rack R R works a wheel Z secured to a shaft II, inside 'tube B having at one
end a screw cut which I call an archemedium between the bearings K K.
this archemedium I have a nut H to which is fixed a stud G which works through
a slot cut in tube, (see Fig. 2. G.) the arm F is connected to the stud G at one end,
and to a stud in the firm side of neck C at the other end; D D. are the balls
which the neck or joint works upon, the nut E is to adjust the same. It will be
seen when turning the stearing arm it will cause the excentric to work the rack
and archemedium, the nut H will work either up or down according to the way
the steering arm is turned, and a connecting arm F being connected to the stud G
on the nut E and on a stud fixed on the firm side of neck C will cause that part
of the frame where saddle A; treadles P P; steering arm U to lean when turning
so as to place the weight of the rider on the inside. When turning the treadles
Γ
On

page_text: will be out of line with the driving part, I place small pullies L L to guide the
chain into its place. M M are the chain wheels; O O the chain; J is a set screw
to adjust the shaft I I. Fig. 3. Sheet 2. illustrates a style of Tricycle known as a
double driving front steerer with one wheel removed, having my improvements
applied-A is the saddle stand; BBB the tube frame, C is the neck or joint,
E adjustment nut for neck or joint, F the connecting arm, G the stud from the nut
on the archemedium, J adjustment screw for what I call archemedium, L L pullies
to guide the chain, OO chain, M M chain wheels, P P cranks, T excentric, V handle
bar, U steering arm, W neck for steering arm to work in, X Y fork and steering
wheel, Z driving wheel.
Fig. 4 and 5. Sheet 3 illustrates part sectional of part of the style of a Tricycle
known as the "Humber" having my improvements applied. A is the handle bar,
B B B tube frame, C back bone, 000 shows the neck of a tricycle with what
I call an archemedium screw fixed to the bottom part of it which works in the
bearings S S S inside the tube frame, N is a nut which works upon the arche-
medium to which is fixed a stud E projecting through the tube and works in a
slot (see Fig. 5. E), the arm M is connected to the stud E at one end, the other end
is connected to a stud fixed on the firm side of neck F, QQ are the balls which
the neck works upon, P is a nut to adjust the same, G G are the pullies to keep
the chain in its proper place, T is the driving shaft, R is the chain wheel. The
Humber style of steering being well understood it will easily be seen that in
turning the tricycle the archemedium, will work the nut N and the stud E up and
down the tube and slot (see Fig. 5. E) according to the way the tricycle is turned,
and being connected with the arm M to a stud on the firm side of neck F causes
that part of tricycle (see Fig. 6. Sheet 4) A, B B, C C, D, I I, & K to lean when
turning.
Fig. 6. Sheet 4 is an elevation of the style of tricycle known as the "Humber".
with one wheel removed having my improvements applied. A is the handle bar,
B B the tube frame, E is the stud connected to the archemedium inside the tube
frame (see Fig. 4 & 5. E. Sheet 3), M is a connecting arm from stud E to a stud
on the firm side of neck F, P is the nut to adjust the neck or joint F, R is the
chain wheel, G G, the pullies to guide the chain.H H, II is the cranks and
treadles, C C backbone, J is the front wheel, D saddle, K back wheel.
The way I apply my invention to a single driver will be seen in Fig. 6. Sheet 4.
The dotted lines Y show a tube from the backbone to carry the treadles instead
of the low part of the tube B, Z Z is the chain from the treadles I I to the driving
wheel K.
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