Improvements in or relating to Doors and Door Frames Used for the Protection and Scavenging of Dry Closets and the like.
Year: 1890

page_text: COMPLETE SPECIFICATION.
Improvements in or relating to Doors and Door Frames Used for the
Protection and Scavenging of Dry Closets and the like.
I, CUTHBERT DowSON MILLER, Brass and Iron Founder of Temple Town, Tyne
Dock, South Shields in the County of Durham 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 refers to improvements in or relating to doors and door frames used
for the protection and scavenging of dry closets and the like.
I will describe my invention with reference to the accompanying drawings in which
Fig. 1 is a front elevation and Fig. 2 a plan, Fig. 3 being a cross section on lines A B
in Figures 1 and 2 and throughout this description like marks of reference designate
like parts in the specification and in the drawings.
Referring to the figures which represent a complete door and frame constructed in
accordance with my invention and by preference of cast metal, 1 is the door round
which a strengthening bead may be cast as shown and at one of the lower corners of
the door I form a projecting piece or lug 2 of the more or less semicircular shape
shown in the figures and at a point on the upper edge of the said projecting piece I
form the stop 3 as shown in figures 1 and 2.
Cast in one piece with the frame 4 I form the projecting piece or lug 2" which as
shown in the figures follows very nearly the shape of the corresponding piece 2 formed
on the door as already described, but the lug 2 is larger than the lug 2 and on the
lower quadrant of its periphery 1 form the flange 5 which partially encircles the
projection 2 of the door. The upper end 6 of the flange 5 acts as an abutment to
stop 3 aforesaid while the remaining segmental portion of the flange 5 acts as a guide
to the movements of the lug 2 of the door as hereinafter described. The centres of
lugs 2 and 2 are holed and on and round the pin 7 which is tightened up by a nut at
the back as shown in the figures the door swings 8 being a strengthening boss
arranged as shown.
The bottom edge 1" of the door is by preference formed V-shaped in order to break
through any obstructions resting on the cill of the frame 4 and so tending to prevent
the closing of the door.
9 is a bridge cast in any convenient position on the door through which the key 9*
may be passed when it is required to open or lower the door, 9b being the handle of
the key.
10 is an angle piece or rebate cast on that lower extremity of the frame opposite to
the side on which the door is hung so that the door when closed may always be kept
close up to its face.
Small openings or gaps 11 are formed in the frame at either extremity of the
bottom shutting surface of the door in order to allow the dirt which usually accumu-
lates in the corners of such places to fall out and thus not incommode the close
shutting of the door.
The action of the arrangements above described is thus as follows;
The frame and door are built in the required position in the wall and when access
is required to the interior of the dry or ash closet or receptacle for scavenging or for
other purposes, the door 1 is raised (preferably by the key 9₁) until it assumes the
position shown in dotted lines in fig. 1 when the stop 3 on the door comes against the
abutment 6 of the flange 5 on the frame and the door remains standing open.
As will be understood the stop is slightly below the centre of the pin 7 so that
the stop 3 does not abut against stop 6 until the bottom closing edge of the door has
so far passed the vertical position as to enable the door to rest securely in a position
similar to that shown in dotted lines in Fig. 1 when free access can be had through

page_text: the frame 4 to the interior. On closing the door, the right hand bottom corner thereof
(see fig. 1) slides freely into the rebate 10 and thus a close fit is ensured.
The V-edged bottom of the door and the openings 11 act as already described.
Having now particularly described and ascertained the nature of this my said
invention and in what manner the same is to be performed, I declare that what
I claim is:
1. A door having a projection or lug 2 with a stop 3 thereon in combination with a
frane having a projection or lug 2" with a stop 6 thereon all arranged and operating
substantially as and for the purposes herein before described and illustrated in the
accompanying drawings.
2. The use in combination with a door and frame having respectively lugs 2 and 2ª
and stops 3 and 6 thereon as set forth of the means employed for facilitating the close
shutting of the door by the V-edged base and corner openings 11 substantially as
hereinbefore described and illustrated.
3. The general arrangement and combination of parts constituting improvements in
doors and door frames arranged and operating substantially as and for the purposes
hereinbefore described and illustrated in the accompanying drawings.
Dated this 24th day of Anil 1900
A. CRAWHALL CHAPMAN,
3, St. Nicholas' Buildings, Newcastle-on-Tyne, Patent Agent for Applicant.