Improvements in Bicycles and like Vehicles.
Year: 1892

page_text: The decision of the Comptroller-General, of the 12th day of January 1894,
allowed, under Section 18 of the Patents, &c. Act, 1883, an Amendment of
this Specification.
Date of Application, 3rd May, 1892
Complete Specification Left, 21st June, 1892-Accepted, 23rd July, 1892
PROVISIONAL SPECIFICATION.
Improvements in Bicycles and like Vehicles.
I HENRY ALFRED SHELTON, 13 Willoughby Street, New Lenton, Nottingham,
Machinist, do hereby declare the nature of this invention to be as follows:-
:-
Instead of each side of the fork terminating in the bearing of the front wheel
axle, each side of the fork forms a joint with the upper end of the curved piece
terminating in the bearing, from the upper end of each curved piece an arm projects
at the back, to each arm the lower end of a helically coiled spring is hooked, the
upper end of each spring is hooked onto a projection at the back of a boss secured
on the side of the fork. The lower end of the tube carrying the seat pillar, and,
the lower end of the tube connecting the front and back framing instead of
terminating in the crank bracket, both terminate in a joint hinged to the crank
bracket. The upper end of the tube carrying the seat pillar is provided with an
arm terminating at the back in a tube having its lower end free to slide in a bracket
secured to the upper ends of the back stays, a helically coiled spring is placed
between the tube arm and the bracket. The lower ends of the back stays are
hinged to the bearings carrying the back wheel axle.
By arranging the parts as above described the vibration heretofore experienced
is considerably reduced.
Dated this Second day of May 1899
ט

page_text: Figure 4 3 a plan of the intermediate joint and the two bottom stays terminating
in bearings carrying the back wheel axle.
Figure 4 shows a back view of the lower end of an arm and tube, with a bracket
and the upper ends of the back stays, and
Figure 5 shows an enlarged view of the tube a coiled spring and the bracket.
Instead of each side of the fork 1 terminating in a bearing for the front wheel
axle, each side of the fork at its lower end forms-a-joint-with the upper end of a
curved piece 2-terminating in a bearing at its lower end, from the upper end of
each curved piece an arm 3 projects at the back, to each arm the lower end of a
helically coiled spring 4 is hooked, the upper end of each spring is hooked on to a
projection at the back of a boss 5 secured on the side of the fork.
The springs 4 hold the curved pieces in the position shown at Figure 1 up to
stops formed by the square tops of the slots of the jointe.
The lower end of the tube 6 carrying the seat pillar and the lower end of the
bottom tube 7 connecting the front and back framing instead of terminating in the
crank bracket, both terminate in a joint 8 hinged to the crank bracket 9.
The upper end of the tube 6 is provided with an arm terminating at the back in
a tube 10 having its lower end free to slide in a bracket 11 secured to the upper
ends of the back stays 12. The lower end of the tube 10 has a screw threaded
piece 10 brazed within it up to which a washer 10 is held by a screw as
shown at Figure 6, the washer prevents the tube from being withdrawn from the
bracket.
A helically coiled spring 13 formed of the greatest diameter at the centre of its
length and gradually terminating to the smallest diameter at each end surrounds
the tube 10, being free to slide upon the tube when it is compressed by the lower
end being pressed into the bracket 11 as the bicycle is passing over a rough road
or an occasional obstruction.
The lower ends of the back stays 12 are hinged to bearings 14 to carry the back
wheel axle at the end of the bottom stays 15.
By arranging the parts as above described the vibration heretofore experienced
by a rider is considerably reduced.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
The improvement in bicycles and like vehicles substantially as described and
illustrated in the drawings annexed.
0
Dated this Twentieth day of June 1892.
Witness-
H. W. GOUGH, C.E.,
Nottingham.
HENRY ALFRED SHELTON.