Improvements in Heating Apparatus for use in Securing Tyres upon Wheels and Removing the same therefrom.
Year: 1891

page_text: Date of Application, 6th Apr., 1891-Accepted, 1st Aug., 1891
COMPLETE SPECIFICATION.
Improvements in Heating Apparatus for use in Securing Tyres upon
Wheels and Removing the same therefrom.
We, EDWARD EKSTRÖMER of Malmö, in the County of Skane, and HAMPUS
MORNER, 30 Radmansgatan of Stockholm, both in the Kingdom of Sweden,
Engineers, 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 object of this invention is to arrange the apparatus for securing tyres to and
removing the same from wheels in such a manner that these operations may be
performed more conveniently and speedily than with the apparatus now in use.
The apparatus hitherto employed for this purpose consists of an annular gas pipe
communicating by means of flexible pipes with a number of gas jets into which
compressed gas is forced in from the gas pipe at the same time as the air requisite
for the combustion of the gas is drawn in. When using the apparatus these gas
jets are moved by hand into position near the tyre an operation which has heretofore
been both troublesome and has involved a considerable loss of time. According to
the present invention all the gas jets are simultaneously moved into the desired
position with relation to the tyres.
In the accompanying drawings,
Figure 1 is a sectional side elevation of the improved apparatus.
Figure 2 is a plan.
Figure 3 is a detail of the same.
Figure 4 is a sectional side view of a modified form of apparatus.
Figure 5 is a plan of the same, and
Figures 6 and 7 show details thereof.
The annular gas pipe F supports a number of pipes C pivoted at B in branch
pipes secured to the said gas-pipe and at one end provided with a jet. D through
which the gas passing from the pipe F through the branch B and pipe C escapes in
order to be ignited. At the opposite end the pipes C may be provided with counter
weights E for balancing them. With the gas pipe is connected another annular
pipe A which by means of flexible pipes H and tubes T is connected with the jets D
and feeds these with compressed air. This pipe A may of course be replaced by a
common reservoir for compressed air, located for instance in the middle of the
apparatus and connected with the jets by means of flexible pipes. The reservoir
and the conduits for the compressed air may also be left out and the gas may
simply be caused to draw in the requisite amount of air through the jet, although
this has not proved to be advantageous. The pipes Care arranged on one side of the
gas pipe F, (in the case represented on the drawing, at the outer side at P) pivoted
to a movable ring N supported by holders O and connected by means of links M
(Figures 1, 2) with a bar L to be moved by means of a handle K so that in turning
the handle the said ring and the pipes C connected therewith may be moved.
consequence hereof the pipes C turn on the branches B thús pushing the jets more
or less near the tyres located in the middle of the apparatus. In order to effect
the raising and the lowering of the jets, the pipe F as well as the ring N con-
nected therewith are adjustable vertically (Figures 1 2) the ring F being supported
by a number of vertical chains a running over rollers Y and at the top connected
with a horizontal main chain T likewise running over guide rollers U, V. This
chain at its one end is connected with the pipe and at its other end with a bent
lever R, by the turning of which the chain F may be tightened or loosened thus
raising or lowering the chains r the gas pipe F and the pipes C with their jets
supported by the said pipe F. The ring N M when moving is guided by stays Z.
In

page_text: The tyres are placed upon a substructure A and the entire device is to be sunk in
the floor of the workshop and covered by a lid. A".
In the improved apparatus represented in Figures 47 the turning of the pipes C
in the horizontal plane is effected by providing the ring N with a toothed segment a
gearing with a pinion on the shaft of a wheel c, by the turning of which the ring N
may thus be turned. By this means also the pipes C connected with the ring N
are turned around the branches B so that the position of the jets D is changed
with relation to the tyres. The adjusting of the jets D vertically may be effected
without raising the gas pipe F. For this purpose the branches B, on which the
pipes Care pivoted are disposed so that they also allow the turning of the pipes
vertically (Figures 4, 6). Moreover below the said ring N is arranged another
ring d likewise supporting a toothed segment e gearing with a pinion on the shaft
of another wheel g. On the top of the ring d there is a wedge shaped piece h
which, in turning the ring by means of the wheel the pinion and the toothed
segment raises the ring N resting upon it directly or by means of a substructure.
In this way the posterior ends of the pipes C are raised, and the jets D are lowered
in order to be raised anew when lowering the ring in turning the wheel I in the
opposite direction thus drawing back the wedge piece.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is
In an apparatus for securing tyres to and removing the same from wheels a
circular gas pipe and a number of moveable gas jets so arranged that they can be
simultaneously adjusted vertically as well as horizontally each jet (D) being
arranged at the inner end of a pipe (C) communicating with the gas pipe (F) and
pivoted to the same, the said pipe (C) being at the same time connected with a
pivoted ring (N) concentric with the gas pipe so that the jet tubes (C) may, if
desired be adjusted vertically by raising or lowering either the gas pipe or the
ring (N).
Dated this 6th day of April 1891
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicants.