Improvements in Powder Cases for the Stowage of the Charges of Heavy Guns.
Year: 1892

page_text: Date of Application, 17th May, 1892
Complete Specification Left, 15th Feb., 1893-Accepted, 25th Mar., 1893
PROVISIONAL SPECIFICATION.
Improvements in Powder Cases for the Stowage of the Charges of
Heavy Guns.
We, ANDREW NOBLE, C.B., late Captain in the Royal Artillery, of Jesmond
Dene House, Newcastle-upon-Tyne, Manufacturing Engineer, and Commander
EDWARD WILLIAM LLOYD, late R.N., of Elswick Works, Newcastle-upon-Tyne,
do hereby declare the nature of this invention to be as follows:-
In powder cases manufactured under Captain Noble's Patent No. 4652 A.D. 1886
it sometimes happens that the lids stick fast to the case, and are difficult to open
owing to the india rubber, or leather, or other ring adhering to the lid and to the
case, or other cause; much time may then be lost in prizing the case open with a
tool. We make the following improvement; the catch bars hinged to the lids and
used for securing them we convert into levers for forcing off the lids if they should
become stuck in the manner described. At the pivot end of the catch bar we form
a little crank or cam in such a position that after the nut on the catch bar is moved
clear of the lugs on the powder case, the further movement of the hinged catch
bar brings the crank or cam on to the top of a small rib fixed in the rim of the case
near the lugs; there the crank or cam finds a solid bearing the further stroke or
In this
movement of the catch bar results in the lid being forced from the case.
form the improvement is applicable to all powder cases already made under the
above Patent.
In making new powder cases we prefer to so alter the pivots of the catch bars
that the bars hinge off to one side instead of out from the case.
We then form a
toe or cam in line with bar and beyond the pivot; it comes into action during the
second quarter turn of the catch bar and bearing on the lug on the case, prizes off
the lid.
A. NOBLE.
EDWARD W. LLOYD.
COMPLETE SPECIFICATION.
Improvements in Powder Cases for the Stowage of the Charges of
Heavy Guns.
We, ANDREW NOBLE, C.B., late Captain in the Royal Artillery, of Jesmond
Dene House, Newcastle-upon-Tyne, Manufacturing Engineer, and Commander
EDWARD WILLIAM LLOYD, late R.N., of Elswick Works, Newcastle-upon-Tyne,
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:—
a tool.
In powder cases manufactured under Captain Noble's Patent No. 4652 A.D. 1886
it sometimes happens that the lids stick fast to the case, and are difficult to open,
owing to the india rubber, or leather, or other packing adhering to the lid and to
the case, or other cause; much time may then be lost in prizing the case open with
We make the following improvement; the catch bars hinged to the lids
and used for securing them we convert into levers for forcing off the lids if they
should become stuck in the manner described. At the pivot end of the catch bar
we form a little crank or cam in such a position that after the nut on the catch bar
is moved clear of the lugs on the powder case, the further movement of the hinged
catch bar brings the crank or cam on to the top of a small rib fixed in the rim of
.

page_text: the case near the lugs; there the crank or cam finds a solid bearing; the further
stroke or movement of the catch bar results in the lid being forced from the case.
In this form the improvement is applicable to all powder cases already made under
the above Patent.
In making new powder cases we prefer to so alter the pivots of the catch bars
that the bars hinge off to one side instead of out from the case. We then form a
toe or cam in line with bar and beyond the pivot; it comes into action during the
second quarter turn of the catch bar and bearing on the lug on the case, prizes off
the lid.
In order that our said invention may be fully understood and readily carried into
effect we will proceed to describe the drawings annexed.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a vertical section and shows a portion of a powder case and cover
made in accordance with the Patent quoted above No. 4652.
Figure. 2 is a similar view but with the parts in another position.
Figure 3 is a plan of a portion of the cover.
:
a is a portion of the side wall of the cylindrical case formed partly of corrugated
metal. bis part of a strong hoop extending around the cylinder near its end and
forming the rim of the case. bare lugs upon this rim. 62 is a rib firmly fixed
on to the rim. c is a portion of the cover and c c are projecting lugs carrying the
joint pin d. e is one of the catch bars connected with the cover by the pin d and
free to turn. el is a crank or cam projecting from the catch bar. f is a nut on the
catch bar as it is now made to form a handle.
When the parts are in the position shown in Figure 1 the cover is held firmly
against the end of the cylindrical case by the pressure of the handle nut f upon the
lugs b
When the handle nut is drawn away from the case as is shown in Figure 2
it passes free from the lugs and the crank or cam e' comes against the rib
prizes the lid upwards.
and
Figures 4, 5 and 6 show the construction we adopt when making new powder
cases.
Figure is an elevation of a portion of the case and cover.
Figure 5 is a similar view but the parts are represented in another position.
Figure 6 is a plan of the parts as shown in Figure 4.
9 is the cylindrical body of the case. g' is a rim around it and g² are lugs upon
this rim. h is the rim of the cover. h¹ is a stud projecting radially from it; there
are usually four such around the cover. i is a catch bar mounted upon the stud
and free to turn. ¹ is a crank or cam upon the catch bar. is a handle nut upon
the catch bar. When the parts are in the position represented in Figure 4 the
cover is held firmly in its place. When the catch bar is turned into the position
seen in Figure 5 the handle nut is released from the lugs 2 and the crank or
cam comes to press upon the top of the lugs to prize off the cover.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-
1. Powder cases in which the cover is held firmly in place by catch bars sub-
stantially as described and in which the said catch bars are provided with cranks
or cams for prizing off the cover when such aid is required.
2. The improved powder cases substantially as represented by the annexed
drawings.
Dated this 18th day of January 1892
A. NOBLE.
EDWARD W. LLOYD.