Vehicle-Wheel Buffer Page: 2 of 3
[2], 1 p. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATES PATENT OFFICE.
MARTIN F. KETTLER, OF HOUSTON, TEXAS, ASSIGNOR TO DOWNING PNEUMATIC
WHEEL COMPANY, OF HOUSTON, TEXAS.
VEHICLE-WHEEL BUFFER.Specification of Letters Patent.
Patented Feb. 29,1916.
Original application filed February 25, 1915, Serial No. 10,500. Divided and this application filed August
20, 1915. Serial No. 46,553.To all whom it may concern:
Be it known that I, MARTIN F. KETTLER,
a citizen of the United States, residing at
Houston, in the county of Harris and State
5 of Texas, have invented certain new and
useful Improvements in . Vehicle - Wheel
Buff rs, of which the following is a specifi-
cation.
.This invention relates to resilient wheels,
10 and more particularly to that type includ-
ing- a hub section, a. floating rim section,
and a cushion which is interposed between
the sections.
In wheels of this type, it is customary to
15 employ abutment members which serve to.
connect the hub and rim sections for- rota-
tion in unison, and it is the aim of the
present invention to provide a novel and
improved .construction of abutment for the
20 purpose stated.
The ordinary type of buffer above re-
ferred to is in the nature of a soft rubber
sleeve which' cooperates with an abutment
element, as, for example, a metallic sleeve.
.25 It has been found by experience that where
a buffer of this type is employed and is
held stationary, the constant pounding and.
compression to which it is subjected soon
results in deterioration and hardening of
30 the rubber of which the same is composed.
It is,. therefore, one aim of the present
invention to provide a novel means for
mounting such a buffer, which means will
permit of the buffer rotating freely so that
35 different portions of its surface may be pre-
sented to the abutment element.
More specifically, the invention aims to
provide for such a buffer an anti-friction
mounting which will permit the buffer to
40 rotate freely without, however, subjecting
the same to such wear as would be incident
to the mounting of the buffer directly upon
a bolt or spindle.
Briefly stated, the invention resides in
45 mounting the rubber buffer sleeve upon a
sleeve preferably of anti' - friction metal,
which latter sleeve is in' turn rotatably
mounted upon a bolt or any other suitable
supporting -element, whereby an anti-fric-.
50 tion bearing is afforded, and it is one ob-
-ject of the invention to provide novel means
for securing the buffer sleeve upon the sleeve
of anti-friction metal in such manner as to
positively provide against creeping of therubber buffer sleeve upon the sleeve of anti- 55
friction metal.
This application constitutes a division of
my co-pending application for patent on
buffers for vehicle wheels, filed February
25, 1915, Serial No. 10,500. 60
In the accompanying drawings: Figure 1.
is a vertical transverse sectional view
through a portion of a wheel equipped with
the buffer embodying the present invention.
Fig. 2 is a vertical transverse sectional view 65
through the buffer. Fig. 3' is a perspective
view of the buffer sleeve.
Corresponding and like parts are re-
ferred to in the following description and
indicated in all the views of the accom- 70
panying drawings by the same reference
characters.
In the drawings, the wheel, in connection
with which the buffer embodying the pres-
ent invention is employed, is illustrated as 75
including a hub 1, which is of the ordinary -
construction and which is provided with a
flange 2 to which is bolted or otherwise se-
cured a plate 3 constituting one side of a
casing, within which casing the pneumatic 80
cushion -and the floating spoke rim are
housed. The securing bolts also serve to se-
cure in place the usual brake drum, which
is indicated by the numeral 4. Fitted upon
the hub 1 and fixed for rotation therewith is 85
a bearing member comprising assembled
conical sections 5 and surrounding and sup-
ported by this member is a seating member
6. As these parts constitute the subject-
matter of separate applications, specific de- 90
scription of the same is deemed unnecessary
in this specification.
A ring nut.7 is threaded onto the hub and
serves to hold the sections comprising the
bearing member in place, and disposed upon 95
the hub and against the ring nut is a plate
8 which constitutes the inner section of 'the
other side of the casing, above referred to,
the outer section being in the nature of an.
annular plate 9 arranged -concentrically to 100
the plate 8, in the manner clearly shown in
Fig. 1. A plate 10 is also fitted onto the
hub, and a nut 11 is threaded onto the hub
and bears against the plate 10 and serves
to bind this plateagainst the plate 8 where- 105
by to hold the latter plate firmly in position
against the nut 7.
The pneumatic cushion comprises an in-1,173,439.
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Kettler, Martin F.; M. F. Kettler. Vehicle-Wheel Buffer, patent, February 25, 1915; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth859029/m1/2/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.