Improvements in Rims and Covers for Elastic Wheel Tyres.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in Rims and Covers for Elastic Wheel Tyres.
JAMES WADHAM, Cycle Rim and Tyre Vendor, Healds House, 44, Healds Road,
Dewsbury, in the County of Yorkshire, do hereby declare the nature of this-inven-
tion to be as follows:-
-
The metal rim of wheel is made or constructed in two parts, an outer and inner
rim. The inner rim, of spring steel, or flexible metal, being movable. By means
of screw appliances passing through and working in the outer rim, and suitably
attached to the inner, the inner rim can either be drawn towards or pressed
outwards from the centre of the wheel, tightening or relaxing the tension of the
outer tyre by pressing the elastic ball or other bearings against such tyre or other-
wise, thus regulating the tension as desired.
The outer metal rim, (of any pattern or design suitable to contain the elastic
ball or other elastic bearings) has, on either side of the rim, curvilinear (or other
shape of) projection over which the outer tyre or cover is placed. The outer tyre
is held in position and secured, or detached as required, by means of ring shaped
or other form of clips made of metal or other suitable material, secured by
adjustable screws or other means. The outer tyre or cover being shaped as
required for these purposes.
TLT1
3 Onisha1007
COMPLETE SPECIFICATION.
Improvements in Rims and Covers for Elastic Wheel Tyres.
JAMES WADHAM, Cycle Rim and Tyre Vendor, Halifax Road, Staincliffe,
Dewsbury, in the County of Yorkshire, late of Healds House, 44, Healds Road,
Dewsbury, in the County of Yorkshire, 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:-
-
The outer metal rim, shaped in or after the manner described in the drawing,
is fitted with a movable inner rim, the sides of which are turned to fit the outer
rim to keep the inner rim in position.
The inner rim is made to overlap, but not jointed, allowing expansion or
contraction and for adjustment by screws placed in and through the under part
of the outer rim.
The tyre, of rubber or other suitable material, shaped as required, is placed in
position over and outside the projection at the top of the metal (outer) rim.

page_text: A ring or hoop of steel, metal (or other suitable material) is then affixed to or
over or may form part of the tyre.
Metal button screws, or other form of fastening, (as many as are required)
affixed to the outer rim, hold the ring or clip in position. The tyre is fastened or
detached, as desired, by tightening or loosening the screws.
Ordinary air tube or elastic ball bearings may be used in this form of rim,
inserted before putting on the outer tyre.
In the drawings (one sheet)
Fig. 1 shews rim and tyre (without the air tubes or elastic bearings).
A. The outer metal rim.
B. The inner rim.
C. Screw for adjustment of inner rim (as many as may be required).
D. Shews the projection of the outer rim; to grip the tyre.
E. The outer tyre placed in position.
F. Ring clip on either side of rim fitted under the projection D.
G. Shews button screw, placed as required on either side round the outer rim.
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:-
:-
1st. The form of outer rim, substantially and in principle as described.
2nd. The inner, elastic rim and means of adjustment.
3rd. The fixing and fastening of the tyre or cover on the outside of rim, and.
means necessary thereto.
4th. The use of rubber or other tyre or cover shaped as required for this form
of adjustment.
Dated this Fourth day of July 1898