Improvements in Lubricators.
Year: 1887

page_text: Date of Application, 5th Dec., 1887
Complete Specification Left, 5th Sept., 1888
Complete Specification Accepted, 5th Dec, 1888
PROVISIONAL SPECIFICATION.
Improvements in Lubricators.
I, CHARLES DUDLEY AUSTIN, of Manor Chare, Newcastle on Tyne, in the county of
Northumberland Engineer, do hereby declare the nature of this invention to be as
follows:-
This invention for Improvements in Lubricators relates to Lubricators of that class
in which the discharge tube through which the oil passes to the surface to be lubricated
is fixed in the lower part of the oil-cup or reservoir and projects upwards into the said
reservoir, and is fitted with a tube closed at its upper end, and of such a size as to fit
loosely on the discharge tube, so that the oil can pass up between them, and then
out by the discharge tube and thus form a syphon. The top end of the outer or
enveloping tube is stopped by a plug terminated at its upper end by a square or
milled head or other means for turning it and the flow of the oil is regulated by
varying the distance between the top end of the discharge tube and the said plug
of the outer or enveloping tube. The distance between the top of the discharge
tube and the aforesaid plug is adjusted by means of a screw on the plug taking
into a thread in the inner or discharge tube, the said screw being cut away longi-
tudinally to allow of the passage of the oil between it and the discharge tube; or
the outer tube is screwed into the bottom of the oil reservoir, in which latter case
the oil is taken into the annular space between the two tubes through lateral holes
in the outside tube.
My invention has for its objects to provide improved means for effectually regulating
the flow of oil in Syphon lubricators of the class above referred to; to provide
improved means for securing the glass vessels or globes of lubricators in their
sockets; to provide an improved arrangement of sight feed; and to provide an
improved method of constructing and rendering. tight the joints of Lubricator vessels
which are composed partly of glass and partly of metal.
In constructing the syphons of lubricators according to my invention, instead of
regulating the flow of oil by varying the distance between the plug of the enveloping
tube and the top of the discharge tube I effect it in various other ways, as by
cutting away the screw connecting the enveloping and discharge tubes in one or
D

page_text: more places in a slanting direction, which cut or cuts may be either flat or fluted,
so that as the screw is advanced further into the discharge tube, the passage for
the oil is contracted and the quantity of oil passed in any given time is thereby
correspondingly diminished or instead of cutting away the screw at the periphery of
the threads as described above I cut a wedge-shaped slit across the centre of the screw
which leaves a widened opening at its extremity and so removes less of the thread than
by cutting away the outside of the screw.
When the enveloping tube is screwed into the socket of the lubricator the regula-
tion of the flow is effected either by substituting a taper plug with or without a
corresponding seat in the discharge tube or by tapering the inside of the enveloping
tube and the outside of the discharge tube the advancement or recession of the envelop-
ing tube in either case causing a diminished or increased space for the passage of the
oil or the projecting end of the plug may be parallel and provided with tapered
flats grooves or slits.
In securing the glass globes of lubricators to their metal sockets I provide the
discharge tube with a collar and then pass it through a washer of leather cork or
other suitable material and afterwards through the metal socket of the lubricator
the space between the globe and the socket being filled with a suitable cement the
whole are then firmly compressed together by means of a nut on the lower end of
the discharge tube. Or a plug of cork or other suitable material may he compressed
in the neck of the glass globe between the aforesaid washer and a nut working on
a thread on the discharge tube before placing the same in the metal socket after
which the nut on the lower end of the discharge tube is applied as previously
described. Or a hollow cheeseheaded screw may be used for holding the glass vessel
or globe in place in the metal socket the discharge tube being afterwards passed through
and fixed in the same.
In my improved arangement of sight feed lubricator 1 utilize the space usually
occupied by the key flats by which the lubricator is screwed into its place for the
purpose of a sight feed by cutting holes or slots in the said key flats communicating
with the interior of the stem. By this means the oil may be seen descending and
the length of the stem diminished. I sometimes introduce a glass tube or rotating
shutter provided with sight holes into the interior of the stem when desired for
excluding dirt. Instead of the hollow steni described above I may employ a circular
stem piece provided with sight slits or openings and fitted with circular rotating or
swinging shutters for excluding dirt when necessary.
Improvements may be made in ordinary glass globe lubricators by the contraction
or enlargement of portions of their necks or stems for the purpose of sight feeds.
In lubricators the reservoirs of which are constructed in a flat cylindrical form
composed of a metallic ring with ends of circular glass discs I effect an oil tight joint
between the ring and each of the said discs by placing a ring of ductile or soft metal
such as lead between them, and mechanically forcing it into the joint by caulking or
spinning.
Dated this 5th day of December 1887.

page_text: Improvements in1
I, CHARLES DUDLEY AUSTIN of Manor Chare, Newcastle on Tyne in the County of
Northumberland Engineer, 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 for Improvements in Lubricators relates chiefly to lubricators of that
class in which the discharge tube through which the oil passes direct to the surface to
be lubricated is fixed in the lower part of the oil cup, or reservoir, and projects upwards
into the said reservoir, and is fitted with a tube closed at its upper end and of such a
size as to fit loosely on the discharge tube, so that the oil can pass up between them
and then out by the discharge tube and thus form a syphon. The top end of the outer
or enveloping tube is stopped by a plug terminated at its upper end by a square or
milled head or other means for turning it, and the flow of the oil is regulated by
varying the distance between the top end of the discharge tube and the said plug
of the outer or enveloping tube. The distance between the top of the discharge
tube and the aforesaid plug is adjusted by means of a screw on the plug taking
into a thread in the inner or discharge tube, the said screw being cut away longi-
tudinally to allow of the passage of the oil between it and the discharge tube; or the
outer tube is screwed into the bottom of the oil reservoir, in which latter case the oil
is taken into the annular space between the two tubes through lateral holes in the
outside tube.
My invention has for its object to provide improved means for effectually regulating
the flow of oil in syphon lubricators of the class above referred to; to provide improved
means for securing the glass vessels or globes of lubricators to their sockets; to
provide an improved arrangement of sight feed, and to provide an improved method
of constructing and rendering tight the joints of lubricator vessels which are composed
partly of glass and partly of metal.
In constructing the syphons of lubricators according to my invention, instead of
regulating the flow of oil by varying the distance between the plug of the enveloping
tube and the top of the discharge tube I effect it in various other ways as by cutting
away the screw connecting the enveloping and discharge tube in one or more places in
a slanting direction, which cut or cuts may be either flat or fluted, or nicked, so that,
as the screw is advanced further into the discharge tube the passage for the oil is con-
tracied and the quantity of oil passed in any given time is thereby correspondingly
diminished; or instead of cutting away the screw at the periphery of the threads as
described above I cut a wedge shaped slit across the centre of the screw which leaves
a widened opening at its extremity and so removes less of the thread than by cutting
away the outside of the screw.
When the enveloping tube is screwed into the socket of the lubricator the regulation
of the flow is effected, either by substituting a taper plug with or without a corre-
sponding seat in the discharge tube, or, by tapering the inside of the enveloping tube

page_text: and the outside of the discharge tube, the advancement or recession of the enveloping
tube in either case causing a diminished or increased space for the passage of the oil,
or the projecting end of the plug may be parallel and provided with tapered flats,
grooves or slits.
The enveloping syphon tube is actuated by hand from the outside by means of a
detachable clutch consisting of a tube having a longitudinal slot in its lower end which
engages with a feather pin in the upper end of the syphon tube, the said clutch iube
working loosely in the screwed plug closing the admission orifice of the lubricator, and
being provided preferably with a collar or enlargement on its lower part to prevent
the escape of the lubricant when in motion.
In securing the glass globes of lubricators to their metal sockets, I provide the
discharge tube with a collar, and then pass it through a washer of leather, cork or
other suitable material and afterwards through the metal socket of the lubricator, the
space between the globe and the socket being filled in with a suitable cement. The
whole are then firmly compressed together by means of a nut on the lower end of the
discharge tube. Or a cork or other suitable material may be compressed in the neck
of the glass globe, between the aforesaid washer and a nut working on a thread on the
discharge tube before placing the same in the metal socket, after which the nut on the
lower end of the discharge tube is applied as previously described.
Or a hollow cheeseheaded screw may be used for holding the glass vessel or globe in
place in the metal socket, the discharge tube being afterwards passed through and
fixed in the same.
In my improved arrangement of sight feed lubricator I utilize the space usually
occupied by the key flats by which the lubricator is screwed into its place for the
purpose of a sight feed by cutting holes or slots in the said key flats comumuni-
cating with the interior of the stem. By this means the oil may be seen descending
and the length of the stem diminished. I sometimes introduce a glass tube or
rotating shutter provided with sight-holes into the interior of the stem when desired
for excluding dirt. Instead of the hollow stem described above 1
may employ a
circular stem piece provided with sight slits or openings and fitted with circular
rotating, or swinging shutter for excluding dirt when necessary.
Improvements may be made in ordinary glass globe lubricators by contraction or
enlargement of a portion of the neck or stem for the purpose of a sight feed.
In lubricators the reservoirs of which are constructed in a flat cylindrical form,
composed of a metallic ring with ends of circular glass discs, I effect an oil tight joint
between the ring and each of the said discs by placing a ring of ductile or soft metal
such as lead between them, and mechanically forcing it into the joint by caulking or
spinning.
In the accompanying sheet of illustrative drawings.
Fig. 1 is a sectional elevation of a syphon lubricator constructed according to my
invention, and Figs. 2 and 3 are respectively sectional and full elevations shewing the
construction of the syphon tubes and regulating device.
Figs. 4, 5, and 6 are separate elevations shewing regulating plugs cut, firstly, in
one or more directions in a slanting direction; secondly, fluted or nicked and thirdly,
by having a central wedge of the material removed.
را
The lubricator is formed of a glass cylinder a jointed in grooves in the end discs c d
which are held together by the bolts e.
The disc c is provided with a screw socket through which is passed the discharge
tube 9. An outer or enveloping tube having inlet holes i is screwed into the disc c
and is terminated at its upper extremity by the plug k. The enveloping syphon tube /
is actuated by means of a clutch consisting of a tube having a longitudinal slot min
its lower end which engages with a feather pinn. By these means the tube his
raised or lowered and the feed of the lubricant, regulated as clearly shewn. The
diameter of the upper part o of the tube is contracted and lightly packed so that when
the lubricator is in motion the lubricant is prevented from passing-The upper part of
the lubricator is completed by the screw plug p which closes the orifice of the lubricator
and forms a stop for the tube 7.

page_text: Fig. 7 shews in section a method of securing the glass globes of lubricators to
their sockets.
The discharge tube is provided with a collar q and is passed through a washer of
cork or other suitable material and screwed metal washers and then through the
socket the space between the globe and the socket & being filled up by cement
and the lubricator being firmly secured to the socket by the nut w.
In place of the arrangement shewn in Fig. 7 a screw and washer (Fig. 8) may be
used for securing the globe to the socket the tube y being afterwards passed through
the centre of the screw a and secured to it.
Fig. 9 shews in elevation a lubricator constructed with a sight feed, the glass sight
tube y being placed in openings arranged in the key flats by means of which the
lubricator is fixed.
Fig. 10 shews a modification of Fig. 9 the sight tube being placed in the socket f¹
above the key flats.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is.
1. In annular syphon lubricators: The employment of plugs for regulating the
flow of the lubricant substantially as described with reference to Figs. 4, 5 and 6 of
the drawings.
2. The detachable coupling clutch for regulating the feed of the lubricant substantially
as described.
3. Forming the joints for connecting the reservoirs to the sockets of glass globe
lubricators substantially as described.
4. In annular syphon lubricators the employment of sight feed apparatus arranged
and constructed substantially as described.
5. Securing the glass ends in the cylindrical reservoirs of lubricators by means
of rings of soft ductile metal so as to form oil tight joints substantially as
described.
6. The arrangement and construction of lubricators, substantially as described with
reference to the drawings.
Dated this 5th day of September 1888.
WHEATLEY & MACKENZIE,
156, Strand, W.C.,
Agents.