Improvements in Lubricators.
Year: 1893

page_text: Date of Application, 3rd Mar., 1893
Complete Specification Left, 3rd Jan., 1894-Accepted, 24th Feb., 1894
PROVISIONAL SPECIFICATION.
Improvements in Lubricators.
I, REGINALD FREDERICK YORKE, of Barham, Canterbury, Electrical Engineer,
do hereby declare the nature of this invention to be as follows
In the present method of lubricating bearings by means of an oil box fitted
thereon and provided with a wick there are certain disadvantages which I get rid of
by means of my.contrivance. I allude particularly to the inconvenience occasioned
by the slowness of the feed as the oil in the box becomes exhausted.
In my invention I fix a bulb of glass or other suitable substances holding the oil
upon a tube of metal or suitable substance which passes through the lid of the oil
box.
To the tube, at a point above where it passes through the oil box lid I add a tap
or some means of further regulating the flow of oil if necessary. The tube may be
fixed and regulated in the lid by a nut and screw and the end left bevelled off
in any desirable shape. When in operation the oil or lubrication material will
flow down till the level of the bottom of the tube is reached when the flow will stop
as the mouth of the tube becomes air choked. So soon as the wick has used
sufficient oil so as to expose the mouth again a bubble of air will ascend into the
glass bulb displacing a certain amount of oil till the mouth of the tube becomes
again choked. In this way the level of the oil is constant in the oil box.
By means of the tap a flush of oil can be turned on as desired or a slower
or faster feed created at pleasure.
Dated this 2nd day of March 1893
J. E. EVANS-JACKSON & Co.,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Lubricators.
I, REGINALD FREDERICK YORKE, of Barham, Canterbury, Electrical 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:―
Although there have been many improvements in lubricators there is still no
method so reliable and certain in action as the common form of oil-box fitted
with syphon wicks.
The bearing is only supplied with clean oil, for the wicks acting as a filter,
all impurities remain as sediment at the bottom of the box.
The principal drawback to this method of lubrication is the irregularity of the
feed and difficulty in regulating it.
When the oil-box is full the wicks syphon too fast and when the level of the oil
falls, the feed is then too slow.
The object of this invention is to overcome these difficulties which is done by
maintaining the level of the oil constant in the box and by providing means for
regulating the feed.
In the accompanying drawing A is a glass bulb with tube B and tap C the tube B
being bevelled at 6 for the purpose hereinafter mentioned. D is an ordinary
oil-box.

page_text: The feeder consists of a glass bulb A fitted with a tube B and tap C; the
bottom of the tube being bevelled or cut away at diagonally to facilitate the
entrance of air. The bulb A is first filled with oil and the tap turned off so as
to prevent the oil running out, and then inverted mouth downwards into the
oil-box D, the tube passing through a hole in the lid. When the tap is turned
on the oil will flow down till the mouth of the tube is covered, it then becomes
air-choked and the further supply of oil is stopped.
When the wicks have syphoned off sufficient oil to the bearing and the level of
the oil in the oil box is brought below the bevel a bubble of air will ascend into
the glass bulb displacing a certain amount of oil, till the tube again beco.nes
choked. In this way the oil is kept constant on a level with the mouth of the
tube.
To regulate the supply of oil to the bearing it is only necessary to raise or lower
the feeder, as according to the height at which it is set the wicks will syphon the
oil either fast or slow.
The air bubbles rising through the oil in the feeder indicate that it is
working, and it will continue to do so at the same rate until the glass reservoir
is exhausted.
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 :--
A syphon oil-box having attached thereto a glass bulb connected by means of
a tube, the mouth of which is bevelled or cut away diagonally for regulating the
supply of oil substantially as described.
Dated this 30th day of December 1902
J. E. EVANS-JACKSON & Co.,
Agents for the Applicant.