An Improved Arrangement of Springs for use as Packing or Stuffing, or as a Buffer or Stop.
Year: 1897

page_text: Date of Application, 24th June, 1897-Accepted, 14th Aug.,
1897
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COMPLETE SPECIFICATION.
An Improved Arrangement of Springs for use as Packing or Stuffing,
or as a Buffer or Stop.
I, ROBERT RITTER, Nurnberger Strasse 68, Berlin in the German Empire,
Government Architect, 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 the present invention is a particularly shaped spring and packing
arrangement which can be made use of for various power-absorbing purposes as
herein set forth. The specification and drawings, describe and show only some
of the various applications of the invention, and serve only for the purpose of
describing and illustrating it.
:
Figure 1 shows in cross section the spring arrangement.
Figure 2 shows in cross section the spring arrangement Figure I when in
compression.
Figure 3 shows, in cross section, a modification of Figure 1.
Figure 3 is a modified form of core.
igures 4 to 8 represent in cross section other modifications.
Figure 9 shows the invention made use of as a spring tyre for cycles.
Figure 10 shows the invention as applied to a row-lock.
Figure 11 shows the invention as a drag link for swingle trees, and
Figure 12 shows the invention as a packing ring for folding doors.
The form of spring arrangement shown in Figure 1 consists of a number of
suitably shaped rings or tubes of any suitable elastic material arranged within
one another eccentrically and bolted together or otherwise suitably fastened along
their line of contact. Rings or tubes thus arranged and secured possess an
extraordinary amount of elasticity, as the individual rings or tubes successively
act and conjointly form an elastic resistance or buffer against pressure.
It may
be advantageous for some purposes to form or shape them as shown in figure 3,
where it is destined for heavy use, by making the innermost part or core of the
strip, of a ring or tube a of elastic material of thickened cross section, or it may
be a solid barb of similar elastic material as shown in figure 3ª.
The most rational use of this arrangement of springs will be as a tyre for wheels.
Such wheel tyres can be produced in the following manner.
Strips a of suitable breadth preferably of sheet iron are provided with transverse
slots b' as shown in figure 4, and are thereupon gradually bent first into a concave
band, then that is bent into a ring of two thirds of a circle. The bending of the
strip into a tube is much facilitated by the slots b, previously provided in the
strip. These tubes can be tempered, according to any well known process. The
prepared tubes are pushed into one another, the actual number depending upon the
thickness of the tyre to be produced. The thus arranged tubes are fastened with
their outer ends e to the wheel rim d, which latter serves at the same time to fasten
the spokes e, to by means of pins f.

page_text: Finally the whole tyre is encased in a thin rubber cover f', provided, if necessary,
with a thickened thread. It is not necessary to arrange special felloes, as, in view
of the peculiar construction of the tyre, sufficient resistance against side pressure
is obtained. The fastening holes g can be provided before the soldering, brazing,
welding or other cementation of the sheet metal is effected.
Figures 6 and 7 show a modification in which the slots are arranged in the
middle of the sheet metal whereby, when bent, a considerable number of individual
rings, gare formed which are situated close together and commonly united
tog er at the inner circumference. This modification of a wheel-tyre is most
suitable for path racing that is to say for use on smooth tracks. For roadsters,
cycles for military use and the like, the modification shown in figure 8 would
be more suitable. To manufacture strips as shown in this latter figure, the sheet
metal is corrugated first and then bent into a straight tube. The sheet metal is
either then, or after it has already been slightly bent to form a tube, spring
tempered, and thereupon fully bent round into a straight tube. Before this tube
is bent into the form of a ring, a second tube of smaller diameter has to be inserted.
The sheet metal thus converted into a tube is then provided with a wire coil which
it is best to arrange in such a manner that every alternate corrugation receives
the wire. The other corrugations can be provided with slots in order to obtain
a greater elasticity. The whole tyre is provided with a cover preferably of rubber
The so prepared annular tube can be attached to suitable hitherto known rims
in the same manner as a pneumatic tyre.
The
In Figure 9 the spring is employed as a tubular ring for stuffing a wheel tyre.
By figure 10 is shown the use of the bent spring strip as a spring row-lock:
An iron sleeve b is pushed over the arm of the row-lock. This sleeve b is pro-
vided with a T-shaped projection 6. The ends of the spring strips e are supported
in the recesses formed between the sleeve and the T-shaped projection c
outermost spring ring e¹ may be provided with a flat piece f fastened to it by
means of a bolt or the like to serve to distribute the pressure over the whole
sleeve in a perpendicular direction. The ends of the spring rings are fastened
by means of bolts i, i'. In adopting the use of the spring rings in row-locks, rowing
is much facilitated.
Another use is illustrated in figure 11, which shows an elastic drag link of a
vehicle interposed between the swingle trees and the traces which facilitates
starting. A spring ring produced according to the above description is arranged
in the hoop e provided with the hooks c, d, on the rod b.
"
Figure 12 shows the use of the spring rings as a draught-excluder for doors.
The rings a are arranged between the wall and one half of the door e in a recess d
provided in the latter and fill up the joint completely after the door has been
closed, whereas they do not offer any resistance when opening and closing the
door in view of their elasticity.
The application of the invention is not limited to the above described purposes,
but may be adopted wherever its use may be advantageous, its object being to
prevent sudden shocks by absorbing the power brought into action.
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:
1. A buffer consisting of spring rings or tubes constructed and arranged as
herein described and set forth.
2. A stop constructed of spring rings or tubes arranged as herein described and
set forth.
3. A flexible packing or stuffing consisting of spring rings or tubes arranged as
: herein described and set forth.
4. A tyre for vehicle wheels, constructed of spring rings or tubes arranged within
a casing as herein described and set forth.

page_text: 5. The herein described contrivance for absorbing power, consisting of a number
of rings or tubes fixed eccentrically within one another along the line of contact.
Dated this 24th day of June 1897.
PHILLIPS & LEIGH,
No. 22 Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicant.