Manufacturer.
Year: 1898

page_text: Date of Application, 28th June, 1898-Accepted, 17th Sept., 1898
A communication by the Firm of GG. BEISSBARTH vormals FR. Loos, of 46,
Gostenhofer, Hauptstrasse, Nuremberg, in the Empire of Germany, Metal
Goods Manufacturer.
I, WILLIAM PHILLIPS THOMPSON, F.C.S., M.I.M.E., of the Agency for Foreign
Patent Solicitors, 6, Lord Street, Liverpool, and 6, Bank Street, Manchester, both
in the County of Lancaster, 118, New Street, Birmingham, in the County of
Warwick, and 322, High Holborn, in the County of Middlesex, Civil 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 fol-
lowing statement:-
The invention relates to lubricators and has for its object to so arrange a second
chamber separate from the lubricating passage or chamber in the part to be lubri-
cated as a reservoir for a larger quantity of liquid lubricant, that the discharge
of oil therefrom to the lubricating chamber is greatly impeded in order that when
in use the oil may be economised as much as possible.
The invention will be described with reference to the accompanying drawings,
in which,
Figures 1 and 2 are vertical sections of the lubricator closed and open respect-
ively;
Figures 3 and 4 are corresponding plan views; and
Figures 5 and 6 are detail views:
In the example shown in the drawings, the second chamber aforesaid,
according to Figures 1 and 2, is formed by the inner chamber p of a box a which
is adapted to be attached by means of the screwed extension b to the lubricating
passage or chamber in the machinery to be lubricated and provided near the top
with a screw off cover c. The oil chamber is divided into two parts by a circular
shaped partition e enclosed in the box a or firmly connected to the same, which is
provided with a hole f to receive the lower end of a spindle g having a handle h
fixed transversely at the top. The spindle by its circular shaped cross section
is free to rotate in the hole f of the partition e and in a corresponding hole in the
cover c and may also be moved longitudinally by hand. The part of the spindle
which enters the hole f is not made of a complete circular cross section but is
so much flattened or reduced at 7 and 7 (Figures 5 and 6) that the oil meeting
with great resistance can flow drop by drop through the hole f which is thus
only partly filled by the end of the spindle when the chamber p, as in Figure 1,
is nearly airtightly closed.
An orifice d (Figure 2) is provided in the cover c and is adapted to be closed
by a stud k which is connected firmly by means of an arm i with the spindle g.
Washers m and n are placed between the cover and arm to prevent the entrance
of air and dust. The arm i together with the stud and washers m and n can
all be lowered by pressing down the handle or grip h of the spindle g against the

page_text: pressure of a spring o (as shown in Figure 2) until the spindle can be turned to
bring the stud k out of its original position (Figures 1 and 3) into position shown
in Figure 4, whereby the orifice d is so completely opened that the filling of the
chamber with oil may go on without interruption. While this is going on,
the hole in the partition e need not be entirely closed, but it is preferable to cause
it to be filled or stopped by the complete circular cross section of the spindle g in
order that no unnecessary larger amount of oil discharge may take place. The
chamber is now filled with oil, except that about one-sixth is left free for air,
and on the parts being returned to the position, shown in Figure 1, the consequent
expansion, after the orifice d has been closed will assist in the discharge of the
oil towards the lower chamber of the box a.
After the filling orificed has been closed, the spring o prevents any ingress of
air and dust by pressing the washers m and n against the cover c.
The new lubricator can be made in any size, and when made of small size is
suitable for cycles and the like.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed as communicated to me
by my foreign correspondent, I declare that what I claim is:
-
A lubricator capable of being closed to render it dust tight, characterised by
a longitudinally and revolubly movable spindle (g) being arranged therein under
spring pressure, which spindle carries at its upper end a stud (k) for closing the
filling orifice (d) and has its lower end adapted to close the lubricating hole (f)
in such a manner, that, after the filling orifice has been closed, the oil can only
flow drop by drop through the lubricating hole, substantially as hereinbefore
described.
Dated thin 97th day of Iuno 1908