Year: 1888

page_text: Date of Application, 27th June, 1888
Specification Accepted, 17th Aug., 1888
We GEORGE COWDERY of Burwood near Sydney in the Colony of New South
Wales Civil and Mechanical Engineer and THOMAS PERRY and JOHN BENTLEY HYSLOP
both of Dubbo, in the said Colony Engineers 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 has reference to those kinds of Lubricators, and to the axle boxes
containing them which have a roller to feed oil or lubricant on to the journal of the
axle and it has been specially devised in order to the complete and more effectual
working of the subject matter of New South Wales Letters of Registration granted
to us on the tenth day of September one thousand eight hundred and eighty five
registered Number 1683.
These improvements in lubricators consist in arranging or mounting the roller or
feeder upon a false bottom, or frame, occupying the bottom of the axle box, and in
mounting it upon cranks which have an overbalance so that the roller will always
press upwards.
These improvements in axle boxes consist in the peculiar construction or casting of
them, in one piece with an end cover, in the peculiar construction of the end cover
with the oil feeding orifice and in the peculiar arrangement of the back plates or
washer upon the lubricator frame.
But in order that this invention may be clearly understood reference will now be
made to the drawings herewith, in which Figure 1 is a vertical section of a lubricator
and axle box for railway rolling stock constructed according to these improvements
Figure 2 and 2 are half back-view and section on line zz in Figure 1 respectively
Figure 3 is a front view and Figure 4a sectional plan.
A is roller or revolving lubricator. B the false bottom or frame. C the axle box.
D the lid or cover G the bearing and H the journal of the axle A'are cranks A³ roller
spindle A over balance weight B¹ are slotted crank bearings. B³ guide pins C¹ is
key is slot for back plate or washer-C is lead joint. O fastening bolts-D' is oil
way D² cover. D³ soft metal or rubber joint D pin or spindle. G' is slot. H³is
top back plate or washer I is bottom back plate or washer and I¹ spring.

page_text: The roller or revolving lubricator A is made proferably of brass, or other hard motal
and is pressed up to the journal H by the over balance weight A or by a spring or
springs and is set in motion only when the truck or carriage is moved and as it revolves
it carries the oil up to the journal insuring perfect lubrication. The weight A³ has
sufficient fall to lift the lubricator high enough to allow the bearing G to lie worn
through before it ceases to lubricate the journal H. The bearing G has a slot G
through which a portion of the oil passos and returns again back into the keep or
reservoir.
It will be seen that the axle box C is cast solid or in one piece except the lid or
cover D which covers the whole of the front and is held in place by two scrow
bolts and cutters the joint ( being made with sheet lead, or other soft
metal.
Should a bearing need renewing or the lubricator A or bottom back plate I require
attention the cover D is taken off the top back plate H' lifted, and the frame B with
the bottom back plate 1 drawn out. The vehicle is then lifted with or without its load
for say half an inch and the bearing may be drawn out for repairs &c. which operation
may be performed in a few minutes.
The bottom lack plate I is kept up to the journal H by two spiral or other springs I'
The upper or top back plate H is dropped in from the top. When lubricating the
cover of the oil way D' may be lifted and turned half round and being bevelled
throws the mouth well open to admit of the oiling and when let down again effectually
prevents the oil from shaking out and the dust from getting in.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is
First. The combination and arrangement in or with an axle box of the false bottom
or frame carrying the bearings of a roller or lubricator substantially as herein described
and explained.
Second. The combination and arrangement with a false bottom or frame within an
axle box, of a loose roller mounted upon a crank having an over balance or springs to
give it an upward tendency substantially as herein described and explained.
Third. The peculiar construction of axle box in one piece with an end cover
jointed on and the peculiar construction of end cover with oiling orifices and
cover both substantially as herein described and explained and as illustrated in the
drawing.
Fourth. The combination and arrangement with the axle box having a slot for a
top back plate or washer, of a bottom back plate or washer clastically mounted upon a
false bottom or frame substantially as horein described and explained and as illustrated
in the drawing.
Dated this Sixtoonth day of May One thousand eight hundred and eighty eight.