Year: 1899

page_text: I, ROBERT ARCHIBALD WHITE, of No. 7, Victoria Street, Westminster, Managing
Director of The "White" Patent Rail Fastening Company Limited, do hereby
declare the nature of this invention to be as follows:
―
This invention relates to methods of securing rail keys in railway permanent
way chairs and preventing them from falling out as they now frequently do.
The chief cause of the keys coming out of the chairs is the continual friction
going on between the key and the rail in consequence of the longitudinal expan-
sion and contraction of the rails caused by variations of temperature and "creeping
of the line." My invention effectually prevents this longitudinal travel of the
rails from altering the position of each key in its chair. My invention consists
of a thin metal plate between each key and the rail such plate being so shaped
that it will sit astride the chair and be prevented by such chair from moving
longitudinally and will therefore relieve the key of the friction of the travel of
the rail. Each plate has its ends so slit or cut-either longitudinally or vertically-
that (after the key has been driven in to its place) such ends can be easily bent
away from the rails in such a manner as to effectually prevent the key being
shaken out of its proper position in its chair. The effect of my invention is
that the chair prevents the plate moving and the plate prevents the key moving;
The base of each plate may if found desirable be formed with suitable flanges
which may be fastened either to the sleeper or the chair in any suitable way
which will assist to prevent it moving longitudinally with the expansion or con-
traction of the rail.
In carrying my invention into practice the rail is placed in the chair, the
thin plate is then placed against the rail and astride of the chair, the key is
then driven in between the thin plate and the hook or lug of the chair, and the
ends of the plate are then bent round the ends of the key by any suitable means.
When necessary to remove the key one or both of the plate ends can be bent back
to the rail and the key knocked out. Supposing the ordinary key is six inches
long I propose to make the length of my thin plate about nine inches and have
a slit sheared in at each end so as to allow about one and a half inches to be
bent round each end of the key.
Dated this Sixtoonth dow of Fahrua 1890

page_text: I, ROBERT ARCHIBALD WHITE, of No. 7, Victoria Street, Westminster, Managing
Director of The "White" Patent Rail Fastening Company, Limited, do hereby
declare the nature of this invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:
This invention relates to methods of securing rail keys in railway permanent
way chairs, and preventing them from falling out as they now frequently do.
The chief cause of the keys coming out of the chairs is the continual friction
going on between the key and the rail, in consequence of the longitudinal expan-
sion and contraction of the rails, caused by variations of temperature and creeping
of the line. My invention effectually prevents this longitudinal travel of the
rails from altering the position of each key in its chair. My invention consists
of a thin metal plate between each key & the rail, such plate being so shaped
that it will sit astride the chair, and be prevented by such chair from moving
longitudinally and will therefore relieve the key of the friction of the travel of
the rail. Each plate has ends so slit or cut either longitudinally or vertically
that after the key has been driven into its place, such ends can be easily bent
away from the rails in such a manner as to effectually prevent the key being
shaken out of its proper position in its chair. The effect of my invention is,
that the chair prevents the plate moving and the plate prevents the key moving.
The base of each plate may, if found desirable, be formed with suitable flanges
which may be fastened either to the sleeper or the chair, in any suitable way
which will assist to prevent it moving longitudinally with the expansion or con-
traction of the rail.
In carrying my invention into practice, the rail is placed in the chair, the
thin plate is then placed against the rail and astride of the chair, the key is
then driven in between the thin plate and the hook or lug of the chair, and the
ends of the plate are then bent round the ends of the key by any suitable means.
When necessary to remove the key, one or both of the plate ends can be bent back
to the rail and the key knocked out. Supposing an ordinary kev is six inches
long I propose to make the length of my thin plate about nine inches, and have
a slit sheared in it at each end, so as to allow about one and a half inches to be
bent round each end of the key.
And in order that my invention may be the better understood I will now proceed
to describe the same, reference being had to the drawings hereto annexed, and to
the letters and figures marked thereon.
Fig. 1 is a plan of an ordinary railway chair with double headed rail, in
section, lying therein, and an ordinary wooden key secured by my device in the
said chair.
Fig. 2, is an end elevation of the same.
Fig. 3, is a side elevation of the same.
Fig. 4, is a detached elevation of my securing device with longitudinal slits.
Figs. 5 & 6 are plans of the same, before and after the securing wings are bent
into place.
Fig. 7, is an elevation of my securing device with vertical slits, and
Figs. 8 & 9 are end views of the same, before and after the securing wings are
bent into place.
C is the ordinary double headed rail, such as is usually secured on the sleeper A
in a chair B, by a wooden key D which tends, in use, to slacken back between

page_text: the lug of the chair and the rail, and eventually is often found fallen out upon
the ballast.
My securing device E is a thin metal plate, preferably of sheet steel, moulded
by stamping or rolling, so that it is adapted to lie close to the web of the rail,
between the rail and the wooden key. The lower part of the plate is cut out
leaving side pieces e* to embrace or straddle the base of the chair, such side pieces
terminating in horizontal flanges e, adapted to lie on the sleeper, as shown, or
on the chair, to which the said flanges may be fastened or bolted if desired.
Without such bolt fastenings the plate is however secured from either vertical
or horizontal movement, when the wooden key D is in place. The upper edge
of the plate coming under the head of the rail prevents vertical movement, and the
legs embracing either side of the base of the chair prevent horizontal move-
ment.
The plates may be provided as regards a portion of their upper sides with either
horizontal slits e¹ (one on each side) as in Fig. 4 or vertical slits e¹ (one on each
side) as in Fig. 7.
These slits permit the parts 3 to be bent forward at right angles to the body
of the plates, so as to engage with ends of the wooden key D, after it has been
driven into place. Figs. 6 and 9 show these ears e on the detached plates, bent
forward to engage the ends of the wooden key D, and the key D is shewn driven
home and so engaged and secured in position by the ears 2 against longitudinal
movement, in the Figs. 1, 2 and 3.
The wooden key D is thus protected from the creeping friction of the rail by
the metal plate E between the rail and the key, and any tendency to longitudinal
movement of the key D, should it still exist, is prevented by the bent ears
the plate engaging both ends of the key D.
of
If it is desired to remove the key D one or both of these ears e² may be bent
back until the key is freed.
Having now particularly described and ascertained the nature of this said
invention, and in what manner the same is to be performed, I declare that what
I claim is-
1st. The combination with a railway chair, and a key used to tighten a rail
in the said chair, of a key-securing device, consisting of a metal plate, adapted
to lie between the rail and the said key, and at the same time to embrace a part
of the said chair, and having wings adapted to be bent over to engage both ends
of the said key, substantially as described.
2nd. A railway key-securing device, consisting of a plate moulded to lie closely
against the rail, and thus between the rail and a chair key, having lower pro-
jecting legs, with or without extension flanges, adapted to embrace the base of
the rail chair, and having each upper corner of the plate partially severed by
a vertical or horizontal slit, to enable said corners to be bent over, so as to engage
with the ends of the said chair key, to secure the same in place substantially as
described.
3rd. A railway key-securing device, consisting of a metal plate, moulded and
adapted by projecting legs and bent corners, substantially as illustrated in the
drawings hereto annexed, and for the purposes as herein described.
11
T
e
1000
FELL & JAMES,
1, Queen Victoria Street, London, E. C.,
Agents for the Applicant.
FELL & JAMES,
1, Queen Victoria Street, London, E. C.,
Agents for the Applicant.