Improvements in Automatic Lubricators for Crank Pins and similar Bearings.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements in Automatic Lubricators for Crank Pins and similar
Bearings.
JOHN DAVIES ANDREW, 33, Osborne Road, Newcastle-on-Tyne, Engineer, do
hereby declare the nature of this invention to be as follows:-
This invention consists of an oil cup of any desired external form, fitted with
a valve on which is a spindle working freely in a tube fixed in the bottom of the
oil cup, the top of this tube being either concave, convex, mitred, or flat, the
valve being made of similar shape where it fits on it. The valve is lifted at each
revolution of the crank pin and admits oil into the tube. The valve has a
weighted top on it to ensure steadiness in working, and the amount of lift of the
valve is regulated by a set screw, or spring, or other mechanical means fixed in
cover of the oil cup when the engine stops, lubrication ceases. All worsteds and
similar devices are dispensed with.
Dated this 25th day of May 1899
COMPLETE SPECIFICATION.
Improvements in Automatic Lubricators for Crank Pins and similar
Bearings.
JOHN DAVIES ANDREW, 33, Osborne Road, Newcastle-on-Tyne, 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:
The figures on Sheets 1 and 2 illustrate the improvements hereafter described.
Fig. 1 on Sheet 1 shews a vertical section of the improved automatic lubricator.
Fig. 2 on Sheet 1 shews an outside elevation of same.
Fig. 1 on Sheet 2 shews a vertical section of the said lubricator, as applied to
the side or coupling rods of a locomotive engine.
Fig. 2 on Sheet 2 shews a plan of same.
The same letters apply to corresponding parts in all the figures on both sheets
of drawings.
In the drawing, C is the channel through which the oil or other lubricating
material is introduced on the crank pins or similar bearings.
The oil or other lubricating material is contained in the cylinder H which may
be made either of glass held in an outer casing of brass, wrought iron or other
Price Sd71

page_text: 66
suitable material, or the oil may be contained in an oil resevoir without the
glass receptacle H."
When a glass cylinder is applied, the sides of the oil cup F have sections
cut out so that the amount of oil or other lubricating material within the glass
cylinder H can be seen without removing the lid or cover J.
The lid or cover J has a hole L, through which the introduction of the
lubricant is effected, without removing the said lid or cover J from the oil cup F.
This hole is closed by a lid or stopper L.
A guide E is screwed into the lid or cover J, and is so constructed as to act as a
guide to the weighted top of the valve B, also to guide the lubricant on to the
top of the tube M. The guide E is perforated by a number of small holes so
that the lubricant is freed from all sand and gritty particles, before passing into
the lower part of the cylinder H. The guide E is also perforated at the top,
so the lubricant cannot collect so as to form a cushion to the valve B.
The amount of lift of the valve B is regulated by the set screw K, the set
screw is held in position by the lock nut Ŏ.
The valve B is also guided by a spindle P, which is fixed to it, the spindle P
slides smoothly in the tube M, the spindle P has three or more grooves cut out
of it to reduce friction, so that in event of the crank pins or similar bearings
becoming heated, the spindle P still slides freely in the tube M.
The valve B may also be made without the spindle P, in this case the valve B
will be guided by the guide E.
The object of this lubricating apparatus is to oil when the crank pins or
similar bearings are in motion.
When the engine is stopped the valve B is shut by its weighted top, so that
no oil or other lubricating material can enter from the apparatus on the crank
pins or similar bearings. As soon as the engine is started, the down throw of
the crank pins or similar bearings causes the valve B to open, which allows the
lubricant to pass into the tube M, the lubricant then works down to the crank
pins or similar bearings.
The valve B is open only on the down throw of the crank pins or similar
bearings, and closed on the up throw.
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 lubricating apparatus in which is a weighted valve, the said valve being
self-acting, and works vertically up and down. Substantially as set forth.
2. A lubricating apparatus in which is a guide, the said guide cleanses the
lubricant, guides the lubricant to the valve, and also guides the weighted top of
the valve in its action. Substantially as set forth.
3. The combination of the weighted valve and the guide for cleansing the oil
or other lubricating material. Substantially as set forth.
4. A lubricating apparatus which acts only when the crank pins or similar
bearings are in motion. Substantially as set forth.
Dated this 25th day of November 1899.
TATT
גה בחו
JOHN DAVIES.
AN