Turust of Rotating Shafts.
Year: 1886

page_text: Turust of Rotating Shafts.
I, CARL AUGUST JOHANSSON, of Reparebansgatan 60, Stockholm, in the Kingdom
of Sweden, Mechanic, do hereby declare the nature of this invention to be as
follows:-
This invention refers to means for taking the end pressure or thrust of rotating
shafts, in such a manner as to diminish the frictional resistance and prevent the
shaft or pivot. from running hot and becoming fast. For this purpose the end of
the shaft is made to bear against or stand upon either one disc able to rotate about
its own axis and which disc is during the rotation of the shaft caused by the
friction between the touching surfaces of the end of the shaft and the periphery of
the disc to rotate, or the shaft may bear against or stand upon two such discs
arranged side by side but independent of each other, these discs being during the
rotation of the shaft caused to rotate in opposite directions. In order that the
frictional resistance may be as small as possible where a single disc is used it should
be placed entirely to one side of the axis of the shaft, and where two discs are
employed the axis of the shaft should be situated in a plane between the discs.
The axis of the shaft may however be placed over the disc (near one side thereof)
or upon one of the discs without liability to its becoming set fast notwithstanding
the slight augmentation of frictional resistance, but the axis of the shaft should
never be inid-way between the two sides or faces of a disc.
The shaft may be guided by any suitable guide bearing and may be provided
with a steel pivot. When using two discs they may be arranged to run loose on a
spindle mounted on some fixed support provided with a recess wherein the lower
parts of the discs can run, and by the walls of which they are guided. Into this
recess lubricant may, if desired, be introduced, which during the rapid rotation of
the discs will be drawn up and will lubricate the surfaces of the end of the shaft
or pivot and likewise the surfaces in contact of the discs and their spindle, but
usually such lubrication will not be requisite.
When the pressure of the shaft is received by only one disc, the latter may either
run loose on its spindle or be fixed thereon, the spindle in this case being itself able.
to rotate in its bearings or support.
The above described means of taking. the end pressure may be used either for
vertical horizontal or inclined shafts.

page_text: Improved Means or Devices for Taking the End Pressure or
Thrust of Rotating Shafts.
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I, CARL AUGUST JOHANSSON, of. Reparebansgatan 60, Stockholm, in the Kingdom
of Sweden, Mechanic, 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:
11
ti.
This invention refers to means for taking the end pressure or thrust of rotating
shafts in such a manner as to diminish the frictional resistance and prevent the
shaft or, pivot from running hot and becoming fast. For this purpose the end of
the shaft is made to bear against or stand upon either one disc able to rotate about
its own axis and which disc is, during the rotation of the shaft caused, by the
friction between the touching surfaces of the end of the shaft and the periphery of
the disc, to rotate, or the shaft may bear against or stand upon two such dises
arranged side by side but independent of each other, these discs being during the
rotation of the shaft caused to rotate in opposite directions.. In order that the
frictional resistance may be as small, as possible where a single disc is used it
should be placed entirely to one side of the axis of the shaft, and where two discs
are employed the axis of the shaft should be situated in a plane between the discs.
The axis of the shaft may however.be, placed over the disc (near one side thereof)
or upon one of the discs without liability to its becoming set fast, notwithstanding
the slight augmentation of frictional resistance, but the axis of the shaft should
never be midway between the two sides or faces of a disc.
Referring to the accompanying sheet of drawings Figs. 1 and 2 are vertical
section and sectional plan respectively of a shaft supported according to this
invention upon two supporting discs; Figs. 3 and 4, are elevation, partly in section,
and plan shewing a method according to this invention of supporting a shaft upon
one disc. In Figs. 1 and 2 the shaft a is guided by the bearing c fixed in the
bracket d and is provided with a steel pivot b. The two discs e e run loose on the
spindle mounted on the support g. This support is screwed into the bracket and
provided with a recess h wherein the lower parts of the discs can run, and by the
walls of which they are guided. Into this recess lubricant may, if desired, be
introduced, and this, during the rapid rotation of the discs, will be drawn up and
will lubricate the surfaces of the end of the shaft or pivot and likewise the surfaces
in contact of the discs and their spindle but usually such lubrication will not be
requisite. Figs. 3 and 4 shew the shaft a supported by a single disc e, the bracket d
and bush or bearing & being omitted from these figures.
When,, as in this case,, the pressure of the shaft is received by only one disc e,
the latter may either run loose on its spindle f, or be fixed thereon, the spindle in
this case being itself able to rotate in its bearings or support.
The above described means of taking the end pressure may be used either for
vertical, horizontal or inclined shafts.

page_text: Having now particularly described and ascertained the nature of this inven-
tion, and in what manner, the same is to be performed, I declare that what
I claim is
1. Taking the end pressure or thrust of a revolving shaft upon one or more
revolving discs having its or their edge or edges placed against the end of such
shaft, substantially as described and for the purpose set forth.
2. The combination of a rotating shaft and one or two discs mounted on a
spindle, the said discs either running loose on the spindle, or one being fast and the
other loose, substantially as and for the purpose set forth.
3. The combination of a rotating shaft, and one or two moveable discs, upon or
against which the end of the shaft rests, with a receptacle for lubricant, which
receptacle partially surrounds the moveable discs, substantially as and for the
purpose set forth.
4. The improved means or devices for taking the end pressure or thrust of
rotating shafts, substantially as described with reference to Figs. 1 and 2 and to
Figs. 3 and 4 of the drawings.
Dated this 16th day of October 1886.
W. LLOYD WISE,
Per F. J. Brougham,
46, Lincoln's Inn Fields, London, W.C.,
Agent for the Applicant.