IMPROVEMENTS IN FLANGED WHEELS FOR TRAM-CARS AND OTHER SIMILAR VEHICLES
Year: 1884

page_text: DELMAWA
I JOSEPH SMITH of Siddal, near Halifax in the County of Yorkshire, Wool
Stapler, do hereby declare the nature of said invention for IMPROVEMENTS IN
FLANGED WHEELS FOR TRAM-CARS AND OTHER SIMILAR VEHICLES to be as
follows:-
This invention consists of improvements on a former invention for which Letters
Patent were granted to me dated the 4th day of May 1878 numbered 1797.
In the specification of my said former Letters Patent I employed a wheel having
a flange kept in place by means of cushions of rubber placed round the circum-
ference of the wheel but this had many objections in practice firstly a large
quantity of rubber was necessary, secondly that the rubber came in contact with
the mud and grease causing corrosion of the metal and the perishing of the.
rubber, and thirdly that the arrangement necessitated a much heavier wheel than
necessary.
To obviate these objections I now according to this invention arrange around
the boss of the wheel a pad of India-rubber of suitable width and thickness around
this India-rubber pad I fix a cast steel ring having radial arms to which the flange
is attached-the flange is kept in position on the side of the wheel by means of a
plate on the outer periphery thereof and also by means of a plate surrounding the
boss and projecting over the iron ring surrounding the rubber pad by this means
the wheel is much lightened and the construction thereof much simplified and
cheapened and at the same time the rubber pad is protected from the mud and
grit.
BROWNE & Co.,
Agents for the Applicant.

page_text: I JOSEPH SMITH of Siddal, near Halifax in the County of Yorkshire Wool
Stapler 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:-
This invention consists of improvements on a former invention for which 5
Letters Patent were granted to me dated the 11th day of May 1878, numbered
1797.
In the Specification of my said former Letters Patent I employed a wheel having
a flange kept in place by means of cushions of rubber placed round the circum-
ference of the wheel but this had many objections in practice firstly a large 1
quantity of rubber was necessary secondly that the rubber came in contact with
the mud and grease causing corrosion of the metal and the perishing of the
rubber and thirdly that the arrangement necessitated a much heavier wheel than
necessary.
•
To obviate these objections I now according to this invention arrange around 1
the boss of the wheel a pad of India-rubber of suitable width and thickness; around
this india rubber pad I fix a cast steel ring having radial arms to which the flange
is attached the flange is kept in position on the side of the wheel by means of a
plate on the outer periphery thereof and also by means of a plate surrounding the
boss and projecting over the steel ring surrounding the rubber pad by this means
the wheel is much lightened and the construction thereof much simplified and
cheapened and at the same time the rubber pad is protected from the mud and
grit.
And in order to explain my said invention more fully I will now describe the
same with reference to the accompanying sheet of drawing. a represents rolling 1
surface of the wheel. b movablo flange. c outside ring. d bolts to hold this
ring which holds the flange b in position when the wheel is running on rails. fis
the axle, g is the boss of wheel. h shews a ring composed on india rubber, i plate
at back.
The action of a wheel constructed as above, is as follows:-
When the wheel is running on rails the flange bis kept in the groove of rails
by the india rubber ring & exerting pressure on the ring 6' which has the three
'radial arms 6 the ends of which are suitably fixed to the flange b.
When, however, the flange leaves the groove in the rails and runs on the flat
surface of the roadway, it is forced back at that point that comes in contact with
the road by the india rubber ring "giving" thus forming an ordinary wheel as

page_text: aforesaid; when desired, the clutch e can be pushed forward so as to lock the
flange b in position as shewn at fig. 3.
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
The construction of wheel with movable flanges substantially as set forth,