An Improved Shoe or Stand for Bicycles.
Year: 1891

page_text: Date of Application, 14th Dec., 1891
Complete Specification Left, 14th Sept., 1892-Accepted, 15th Oct., 1892
PROVISIONAL SPECIFICATION.
An Improved Shoe or Stand for Bicycles.
We, WILLIAM ROBINSON STEVENSON, of 12, Lyndhurst Street, South
Stockton-on-Tees, in the County of York, Pattern Maker, and GEORGE
MATTHEW YOUNG, of Bridge Road, Stockton-on-Tees, in the County of
Durham, Bicycle Agent, do hereby declare the nature of this invention to be as
follows:-
Our invention relates to a new or improved form of shoe or stand for supporting
bicycles in the upright position when not in use.
The essential feature of our invention consists in the formation of the groove or
tire grips whereby the same stand or shoe can accomodate the bicycle irrespective of
the size of its tire within practical limits, say from inch to 2 inch diameter.
In carrying our invention into effect we construct the stand or shoe preferably of
cast iron or steel of any suitable design which combines strength with structural
compactness. The central part of each end of the shoe or stand is grooved out in
the manner hereinafter described.
The sides of the groove diverge in straight lines from a bottom curve, the angle
of divergence being so adjusted that the sides of the groove grip the iron rim which
partially surrounds the circumference of the tire and form tangents to the tire itself,
thus affording a double contact on either side of the tire sufficient to support the
bicycle. This applies to the smaller sizes of tires up to say one inch and a quarter
diameter, which are all similar in section and take the requisite contact from the
same tangents which is essential. It is obvious that a groove with its sides set to
the right angle affords the tangential contact to a variety of sizes and is thus
suitable as a shoe or stand for bicycles of the usual sizes as at present supplied the
market.
The above described part of our invention does not apply to pneumatic tires or
tubes as the rim thereof embraces a smaller proportion of the circumference of the
tire and is therefore not available for tangential contact, we therefore make a
departure from the straight surfaces of the groove or tire grip and extend them
upwards in a suitable curve to afford such tubes the requisite contact as will keep
the bicycle in the upright position; the sides of the groove extend upwards from
the curve in parallel lines, which of course extend from the tangential point, conse-
quently they can be similarly curved again for a pneumatic tire of larger diameter.
From the above description it will be seen that a bicycle stand or shoe constructed
according to our invention will accomodate any variety of sizes of bicycle tires so as
to keep the said bicycles in the upright position when not in use.
Dated this 19th day of December 1891.
G. J. CLARKSON,
Stockton-on-Tees, Agent for the Applicants.
COMPLETE SPECIFICATION.
An Improved Shoe or Stand for Bicycles.
We, WILLIAM ROBINSON STEVENSON, of 12, Lyndhurst Street, South
Stockton-on-Tees, in the County of York, Pattern Maker, and GEORGE
MATTHEW YOUNG, of Bridge Road, Stockton-on-Tees, in the County of
Durham, Bicycle Agent, do hereby declare the nature of this invention and in

page_text: what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement :-
Our invention relates to a new or improved form of shoe or stand for supporting
bicycles in the upright position when not in use.
The essential feature of our invention consists in the formation of the grooves or
tire grips, whereby the same stand or shoe can accomodate the bicycle irrespective
of the size of its tire within practical limits, say from 1 to 2 inches diameter, which
includes the usual gradation of sizes.
And in order that our invention may be clearly understood and readily carried
into effect, we will now refer to the annexed sheets of drawings, in which
By
Figure 1 is a view in perspective of a bicycle shoe or stand which, although of a
usual and convenient design, is only to be taken as a representative of bicycle shoes
or stands generally and which is not novel except in respect of its grooves or tire
grips a a a which are of special form or configuration to serve the purpose of our
invention, a sectional view of which, taken on line X X, is shown to an enlarged
scale in Figure 2. The bicycle shoe or stand is preferably of cast iron or steel of
any suitable design which combines strength with structural compactness, the three
grooves a a a being set to the curve which corresponds to the usual curvature of
bicycle wheels. In constructing these grooves according to our invention, the sides
of each groove are made to diverge in straight lines from a bottom curve.
taking for this bottom curve a part of the circle which fits the smallest diameter of
tire to be provided for, say 1 inch tire, the sides of the groove can be extended from
such a curve to the angle required which is found in practice to be about 30°, the
angle of divergence so obtained being such that the iron rim which partially
surrounds the circumference of the tire is gripped between the sides of the groove
which also grips the tire itself, thus affording a double contact on either side of the
tire sufficient to support the bicycle; for instance taking the circle bas representing
the section of a tire, and c as the section of its retaining rim, d d are the points of
contact on either side of the tire with the sides of the groove a.
All tires up to
about 1 inch diameter, which is the largest size in use for solid or cushion tires,
are precisely similar in section, consequently the same angle of divergence in the
sides of the groove will suit all solid or cushion tires alike from sayinch to
1 inch diameter of tire. The smallest size of tire for which the grooves are
designed rests on the bottom curve thereof, whilst a larger size of tire finds a
lodgement in whatever higher position it comes into contact with the groove, as for
instance the tire represented by circle blodges on the bottom curve of the groove,
whilst the larger size represented by circle 'lodges on the points of contact d³ d
only. It is obvious that a groove with its sides set to the correct angle affords the
same tangential and double contact with both tire and rim to a variety of sizes, and
is thus suitable as a shoe or stand for bicycles of the usual sizes at present supplied
to the market.
The above described part of our invention does not apply to hollow or pneumatic
tires as the retaining rim in these cases embraces a smaller proportion of the
circumference of the tire and is not available for the above described tangential
and double contact. In order to make provision in the same groove to accomodate
the usual sizes of hollow or pneumatic tires as well as the smaller solid or cushion
tires, we make a departure from the straightness of the sides or surfaces of the
groove or tire grip and extend the said sides or surfaces upwards to the following
outline. Taking the circle 62 as representing a pneumatic tire of 14 inch diameter,
the requisite contact of this size of tire with the groove is provided for by curving
the sides of the said groove as shown from e¹ to e, which curvature of the sides
diverges to follow the lower part of the circle and then converges slightly to follow
the circle above its widest part and to the extent to which the compressibility of
the tire can be relied on to enable it to pass between sides of the groove at the
points e where the distance between them is less than the diameter of the tire in
question. The sides of the groove may then extend further up to form similar

page_text: curves for a tire of a still larger size. It will thus be observed that grooves
constructed according to our invention will fit a large series of tires and may be
designed to include all the sizes of tires in general use, that is from inch diameter
of solid or cushion tire to 2 inches or more diameter pneumatic tire."
It must however be understood that whilst we generally prefer to construct the
shoe or stand with grooves or tire grips to accomodate both solid or cushion and
hollow tires as hereinbefore described with reference to Figure 2, in some cases we
modify the groove to accomodate only the usual sizes of solid or cushion tires, in
which case the groove takes the form shown in Figure 3, or the groove can be
modified to the form shown in Figure 4 which is intended only to accomodate the
usual sizes of hollow tires.
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
:
Firstly In the construction of shoes or stands for bicycles, the particular
formation or configuration of the grooves or tire grips by which the same stand or
shoe can accomodate the bicycle for any size of tire in general use whether solid or
cushioned or hollow, substantially as hereinbefore described and illustrated in
Figure 2 of the accompanying drawings.
Secondly-In the construction of shoes or stands for bicycles, the particular
formation or configuration of the grooves or tire grips by which the same stand or
shoe can accomodate the bicycle for any size of solid or cushion tire or any size of
hollow tire, substantially as hereinbefore described and illustrated in Figures 3
and 4 respectively of the accompanying drawings.
Dated this 13th day of September 1892.
G. J. CLARKSON,
Stockton-on-Tees, Agent for the Applicants.