Improvements in and relating to Devices for Doors of Railway- carriages and other Vehicles.
Year: 1890

page_text: Date of Application, 1st Dec., 1890
Complete Specification Left, 22nd Aug., 1891-Accepted, 26th Sept., 1891
PROVISIONAL SPECIFICATION.
Improvements in and relating to Devices for Doors of Railway-
carriages and other Vehicles.
I, NOËL COULAND of 11 Boulevard Magenta, Paris in the Republic of France,
do hereby declare the nature of this invention to be as follows:-
This invention relates to a fastening device which is chiefly designed for doors
of railway carriages, the said device being in the first place characterized by the
employment of an interior handle with a safety indicator enabling the door to be
closed but not to be opened, and in the second place by the special combination of
the handle for opening the door with a safety falling latch.
In order to render this improved fastening device better understood I have
represented it in the accompanying drawing which shows in detail the various parts
of the same.
Figure 1 of this drawing is a front view of my fastening device arranged on a
door which is supposed to be open.
Figure 2 is a similar view the door being closed.
Figure 3 is a horizontal section of the device through the axis of the fastening
bolt, the safety falling latch being removed.
Figure 4 is a front view of my device provided with means for fastening the
door from the interior without enabling the same to be opened except from the
exterior.
Figure 5 is a similar view showing a section of the device at the moment when
the door is fastened.
Figures 6, 7 and 8 are details of the fastening device.
Figures 9 and 10 show respectively in elevation, exterior view and plan, my
improved fastening device combined with a falling latch, the door being closed.
Figure 11 shows the mechanism in the position when it is open.
Figures 12 and 13 represent two modifications in the mode of securing the falling
latch.
In all these figures similar letters of reference designate corresponding parts.
As shown more particularly in Figures 1 to 8 my improved fastening device
comprises an indicating-plate for enabling the passengers to ascertain from the
interior, by simply reading an inscription whether the door is open or closed.
"
For this purpose two superposed plates A and B are fixed upon the inner surface
of the door, one plate A bearing at its upper part in large letters the word "open"
and the other plate B being provided with a recess 6 for enabling the inscription to
be read.
"
Between these two plates is adapted to turn with little friction a third plate C
which bears the word "closed also in large letters, but as much as possible in
different colours. This plate is traversed by the square part of the handle D and
the cylindrical projecting part e is adjusted in the socket a of the plate A.
When the door is open the plate C is turned down, as shown in dotted lines in
Figure 1, and the word "open" is visible. On the other hand when the door is
closed the place C occupies the horizontal position shown in Figure 2. It covers
the word “open” whilst the word "closed" appears at the recess b.
I have represented in Figures 4 and 5 the arrangement for effecting the closing
from the interior.
For this purpose the movable plate C is provided exteriorly with a projecting
part d traversed by the square part of the key and presenting the form indicated
in Figures 4 and 5. The plate B carries a socket e provided with an interior

page_text: recess f. Into the free space extends the projecting part d, and the socket e engages
with the eye in the handle P represented in detail in Figures 7 and 8.
The eye in the handle P which when the door is open occupies the position shown
in Figure 4 has an interior projection g which is adapted to butt at h against the
projecting part d so that by acting upon the handle P to move it to the position
indicated in Figure 5 the plate C is returned to the horizontal position, effecting
at the same time the closing of the door.
When the handle P returns to its original position it cammot cause the opening
of the door, for its complete rotation in the opposite direction to that of the preceding
motion which effects the closing is prevented by the projection i with which its
eye is exteriorly provided and which stops the bottom of the recess so that the
projection 9 cannot act at h¹ upon the projecting part d for opening the door as
shown in Figure 6.
In my fastening device the key D is combined with the safety falling-latch E
which has heretofore always been independent of the key. This combination may
be such that the movement of the falling-latch shall not be quite identical with
that of the handle D, as in the arrangement shown in Figures 12 and 13. In the
arrangement represented in Figures 9, 10 and 11 the falling-latch E is secured upon
the rod of the key D so that both are opened and closed at the same time.
On the other hand in the arrangement illustrated in Figure 12 the socket of the
falling latch E is fitted with play upon the rod D, but it possesses a cavity k wherein
a snug on this rod plays. This arrangement allows for time during which the key D
can turn through a certain angle without carrying away the falling-latch. The
dotted lines in Figure 12 show this movement.
In the arrangement represented in Figure 13 the falling-latch E may be regarded
as being loose upon the rod D.
In fact the groove k is of such a length that by acting upon the handle of the
rod D the door can be opened or closed without operating the falling-latch.
1000
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in and relating to Devices for Doors of Railway-
carriages and other Vehicles.
I, NOËL COULAND, of 11, Boulevard Magenta, Paris, in the Republic of France,
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 a fastening device which is chiefly designed for doors
of railway carriages, the said device being in the first place characterized by the
employment of an interior handle with a safety indicator enabling the door to be
fastened but not to be unfastened and in the second place by the special combination
of the handle for opening the door, with a safety falling-latch.
In order to render this improved fastening device and its appurtenances better
understood I have represented it in the drawing left with my Provisional Specifi-
cation, which shows in detail the various parts of the same.
Figure 1 of this drawing is a front view of my fastening device arranged on a
door which is supposed to be open.
Figure 2 is a similar view to Figure 1 with the exception that the door is closed.
Figure 3 is a horizontal section of the device through the axis of the fastening
bolt, the safety falling-latch being removed.
Figure 4 is a front view of my device provided with means for fastening the
door from the interior and preventing the same from being opened except from the
exterior.

page_text: Figure 5 is a similar view to Figure 4 and shows a section of the device at
the moment when the door is fastened.
Figures 6, 7 and 8 are views of details of the fastening device.
Figures 9 and 10 show respectively in elevation, exterior view and plan my
improved fastening device combined with a failing latch, the door being closed.
Figure 11 shows the mechanism in the position it occupies when the door is open.
Figures 12 and 13 represent two modifications of the mode of securing the falling
latch.
In all these figures similar letters of reference designate corresponding parts.
As shown more particularly in Figures 1 to 8, my improved fastening device
comprises an indicating plate for enabling the passengers to ascertain, from the
interior, by simply reading an inscription, whether the door is fastened or
unfastened.
For this purpose two superposed plates A and B are fixed upon the inner
surface of the door, one plate, A, bearing at its upper part, in large letters, the
word "open," and the other plate B being provided with a recess for enabling
the inscription to be read.
Between these two plates is adapted to turn with little friction a third plate C
which bears the word "closed," also in large letters, which preferably are of a
different colour to the letters forming the word ".
"open." This third plate is
traversed by the square part of the handle D, and the cylindrical projecting part c
is adjusted in the socket a of the plate A.
When the door is unfastened the plate C is turned down, as shown in dotted
lines in Figure 1, and the word "open" is visible. On the other hand when the
door is fastened the plate C occupies the horizontal position shown in Figure 2,
and covers the word". open "whilst the word "closed" appears at the opening b.
I have represented in Figures 4 and 5 the arrangement for effecting the operation
of fastening from the interior.
For this purpose the movable plate C is provided exteriorly with a projecting
part d traversed by the square part of the key and presenting the form indicated
in Figures 4 and 5. The plate B carries a socket e provided with an interior
recess f. Into the free space extends the projecting part d, and the socket e engages
with the eye in the handle P represented in detail in Figures 7 and 8.
The eye in the handle P, which, when the door is open occupies the position
shown in Figure 4, has an interior projection y which is adapted to abut at against
the projecting part d so that by acting upon the handle P to move it to the position
indicated in Figure 5 the plate C is returned to the horizontal position, effecting at
the same time the fastening of the door.
When the handle P returns to its original position it cannot cause the unfastening
of the door, for its complete rotation in the opposite direction to that of the
preceding motion which effects the fastening, is prevented by the projection i with
which its eye is exteriorly provided and which stops the bottom of the recess of so
that the projection cannot act at ¹ upon the projecting part d for unfastening the
door as shown in Figure 6.
9
In my fastening device the key D is combined with the safety falling-latch E
which has heretofore always been independent of the key. This combination may
be such that the movement of the falling-latch shall not be quite identical with
that of the handle D, as in the arrangement shown in Figures 12 and 13. In the
arrangement represented in Figures 9, 10 and 11 the falling-latch E is secured upon
the rod of the key D so that both are opened and closed at the same time.
On the other hand in the arrangement illustrated in Figure 12 the socket of the
falling latch E is fitted so as to have a certain amount of play upon the rod D, but
it possesses a cavity k wherein a snug on this rod may play. This arrangement
permits the key D to turn through a certain angle without carrying away the
falling-latch. The dotted lines in Figure 12 show this movement.
In the arangement represented in Figure 13 the falling latch E may be regarded
as being loose upon the rod D. In fact the groove k is of such a length that by

page_text: acting upon the handle of the rod D the door can be opened or closed without
operating the falling-latch.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
First. In a fastening device for doors of railway carriages and other vehicles
the employment of an interior handle P mounted upon the stem of the key D
so as to fasten the door but not to unfasten the same in combination with a plate
indicating that the door is fastened or unfastened as hereinbefore described and
illustrated.
Second. In a fastening device for doors of railway carriages and other vehicles
the combination of the key with the safety latch actuated by the said key as herein-
before described and illustrated.
Third. A system of safety fastening device for the doors of railway carriages
and other vehicles the said system including a plate indicating whether the door is
fastened or unfastened, actuated by the key; and interior handle mounted upon the
said key so as to permit only the fastening of the said door from the interior, and a
safety latch mounted upon the stem of the key, as hereinbefore described with
reference to the accompanying drawings.
Dated this 22nd day of August 1891.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.