An Improved Locking Device for the Doors of Ashpits and other . H Receptacles.
Year: 1898

page_text: Date of Application, 31st Dec., 1898
Complete Specification Left, 2nd Oct., 1899-Accepted, 25th Nov.,
1899
PROVISIONAL SPECIFICATION
An Improved Locking Device for the Doors of Ashpits and other
. H Receptacles.
$
**
I, JAMES STEWART, Iron Founder, Sandy Row Foundry, Mable Street, Belfast,
do hereby declare the nature of this invention to be as follows:-
This invention relates to an improved locking device to use in connection
with the sliding doors of ashpits and other receptacles
Une
The invention consists of a lock provided with a pivotted latch which has
somewhat of a hook formation and piojects out through a slot in the rim.
side of this latch may have a bevelled face against which the key can work.
The lock is o1 may be provided with a single cuived waid. The 11m is provided
with an outward projection or guard.
The sliding door or cover of the ashpit is provided with a bar or its equivalent
and the whole arrangement is such that when the door is closed the latch auto-
matically engages the bar and prevents the door being opened unless the latch 18
first unlocked by means of the key
1
1000
H D. FITZPATRICK,
100, Wellington Street, Glasgow, Agent.
An Improved Looking Device for the Doors of Ashpits and other
Receptacles.
I, JAMES STEWART, Iron Founder, Sandy Row Foundry, Mable Street, Belfast,
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 relates to an improved locking device for use in connection
with the sliding doors of ashpits and other receptacles.
In order that my said invention may be properly understood I have hereunto
appended an explanatory sheet of drawings, whereon,
Fig 1 is a rear view of part of a sliding ashpit door with its fiame and also
the improved locking device.
Fig 218 a view of the locking device.
The invention consists of a lock a provided with a latch 6 which is pivotted
The latch has a hook b' at its
upon the screw bolt c
ing face at or about the middle of its length
end and a bevelled project-
d 18 a curved ward cast

page_text: in one with the cover of the lock. e, el, are projecting guards cast in one
with the 11m which latter at f¹ is curved so as to correspond with the cuive
of the ward dg is a spring which bears against the latch and h 18 the pin for
holding the spring in place. As will be seen the body of the lock 18 made to
form the cover and 18 merely bolted to the ashpit door which latter has a suit-
able keyhole cast in it. The box or bosshead is cast in one with the fiame of
the dooi and 18 made with a cross bar of semicircular section as indicated at j.
The whole arrangement is such that when the door is closed the latch auto-
matically engages the cross bar and prevents the door being opened again without
fust unlocking the latch by means of the key.
The key 18 of a very simple construction and 18 shown at
It will be noticed that whilst the lock 18 very simple in construction it is not
liable to be picked or readily knocked out of order by boys or idle18.
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 consider novel and desire to claim is
-
A locking device for the sliding doors of ashpits and other receptacles con-
structed substantially as hereinbefore described with reference to the drawings
annexed.
141 4100AL 1.
1000