Year: 1895

page_text: Date of Application, 12th June, 1895-Accepted, 25th Jan., 1896
Mechanic, 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 :-
The present invention relates to a device which has for its object to effect the
closing of an open door with absolute certainty without the aid of springs whilst
the construction of the device is of the greatest simplicity and cheapness.
The subject of the invention is illustrated in the accompanying drawings in
which :-
Fig. 1 shows a door fitted with a door-closing device constructed according to
this invention.
Fig. 2 is a plan and
Fig. 3 is an elevation of the said device.
The door-closing device comprises (essentially) two parts :-
1. A roller with its attachment, and
2. A mil or track on an incline
The bracket or angle-piece a is fixed (by any suitable means such as screws) to
the door and has attached to it a block or forked bearing c the stem or pin b of
which is adapted to rotate or turn in said bracket a.
This block c carries the axle d on which the roller e runs or to which said roller e
may be fixed.
The second part of the door-closing device consists of a circularly bent iron rail
or track which as shown in the drawing is fixed to the floor by means of lugs g in
such a manner or such other suitable manner that the centre of the said circular
rail lies in the prolongation of the axis of the hinges of the door.
The door-closing device operates as follows:-
On the door being opened the roller e moves on the rail f and as this rail forms
an inclined plane the door is lifted thereby--the hinges used being of any well-
known or suitable character or construction to permit this lifting.
When the door is completely opened the roller e is situated on the highest point
of the rail and the door has now a tendency by reason of the action of gravity to
move on the roller e down the said inclined plane. If the open door be left to
itself the door will most certainly follow this tendency execute the said movement
and thus automatically close itself.
No springs being required in this method of closing doors.
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 :-
1. A door closing device in which a circular rail or track is fixed to the floor
and forming an incline plane in combination and acting in conjunction with a roller
carried on the door and adapted to travel on said incline and hinges permitting the
door to be lifted substantially in the manner and for the purposes herein before
described.
2. An automatic door-closing device consisting of a roller such as e mounted on
the door in combination and acting with a circular rail such as ffixed to the floor
and forming an inclined plane up which the said roller runs when the door is
The bracket or angle-piece a is fixed (by any suitable means such as screws) to
the door and has attached to it a block or forked bearing c the stem or pin b of
which is adapted to rotate or turn in said bracket a.
This block c carries the axle d on which the roller e runs or to which said roller e
may be fixed.
The second part of the door-closing device consists of a circularly bent iron rail
or track which as shown in the drawing is fixed to the floor by means of lugs g in
such a manner or such other suitable manner that the centre of the said circular
rail lies in the prolongation of the axis of the hinges of the door.
The door-closing device operates as follows:-
:-
On the door being opened the roller e moves on the rail f and as this rail forms
an inclined plane the door is lifted thereby-the hinges used being of any well-
known or suitable character or construction to permit this lifting.
When the door is completely opened the roller e is situated on the highest point
of the rail and the door has now a tendency by reason of the action of gravity to
move on the roller e down the said inclined plane. If the open door be left to
itself the door will most certainly follow this tendency execute the said movement
and thus automatically close itself.
No springs being required in this method of closing doors.
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 :-
:―
1. A door closing device in which a circular rail or track is fixed to the floor
and forming an incline plane in combination and acting in conjunction with a roller
carried on the door and adapted to travel on said incline and hinges permitting the
door to be lifted substantially in the manner and for the purposes hereinbefore
described.
2. An automatic door-closing device consisting of a roller such as e mounted on
the door in combination and acting with a circular rail such as f fixed to the floor
and forming an inclined plane up which the said roller runs when the door is

page_text: opened the result being that the door is lifted thereby in its hinges which are
adapted to permit same so that the door when left to itself will close to by the
action of its own weight moving down into its original position as the
said roller runs down the said rail substantially as and for the purposes hereinbefore
described and illustrated in the drawings hereunto annexed.
Dated this 12th day of June 1895.
TONGUE & BIRKBECK,
Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicant.