Improvements in the Permanent Way of Railways.
Year: 1889

page_text: Date of Application, 28th Feb., 1889
Complete Specification Left, 4th Nov.. 1889-Accepted, 7th Dec., 1889
PROVISIONAL SPECIFICATION.
Improvements in the Permanent Way of Railways.
I, GEORGE ROBINS of Nursery House, Morden Road, Merton in the County of
Surrey, Permanent Way Superintendent do hereby declare the nature of this inven-
tion to be as follows:-
My invention has reference to improvements in the permanent way of Railways and
consists in means whereby the longitudinal movement of the switch tongues,
or any appreciable longitudinal movement whatever of the rails of railways is
prevented.
It will be understood that it is highly desirable that the tongues of switches,
and the wings and points of crossings and such like important combinations of
permanent way should be maintained in a fixed position to suit each other and
to cover and protect each other, but at the present time, through expansion and
contraction, and the facility with which derangement takes place, such longitudinal
movement and general displacement is of commion occurrence.
My invention has for its object, the prevention of these sources of trouble danger,
and expense.
I effect it in the following manner.
I arrange that the inside of the jaw of every chair is notched or fluted, and
that the rails are rolled with corresponding ribs or projections, which fit in the
said notches or fluted spaces of the inside jaw (not where the Key is driven in)
of the chair. As the ribs are rolled on both sides of the rail, the ribs on the
side where the wooden Key is driven in, act as Key Fasteners.
The notches in the chair are sufficiently wide to allow of play and adjustment.
As the projecting ribs on the rails are small, the fish plate may be stamped with a
longitudinal groove to fit over the said ribs.
It is obvious that when my invention is applied to every chair (not slide chairs) that
longitudinal movement and consequent displacement of parts is prevented and as the
longitudinal movement of switch tongues must derive such movement from the
permanent way in the rear, if such permanent way is maintained in a fixed position
(as my invention maintains it) then of course the switch tongues themselves will be
maintained in their proper position.
A mere modification of my invention would be to reverse the order, and make ribs
standing out from the inside of the jaw of the chair fit in between corresponding ribs
or spaces in the rails.
I do not confine myself to the sizes, shapes or positions of the ribs or notches or
spaces.
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1000
JOHN P. O'DONNELL, C.E., M.I.M.E., &c.,
Agent for the said Applicant.
COMPLETE SPECIFICATION.
Improvements in the Permanent Way of Railways.
I GEORGE ROBINS of Nursery House Morden Road Merton in the County of
Surrey, Permanent Way Superintendent, 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 :-
My Invention has reference to improvements in the permanent way of railways
and consists in means whereby the longitudinal movement of the switch tongue or
any appreciable movement whatever of the rails of railways is prevented.

page_text: It will be understood that it is highly desirable that the tongues of switches and
the wings and points of crossings and such like important combinations of permanent
way should be maintained in a fixed position to suit each other and to cover and
protect each other, but at the present time through expansion and contraction and the
facility with which derangement takes place, such longitudinal movement and general
displacement is of common occurrence and owing to this longitudinal movement of
the rails, undue strain is also put on the fish-plates through the unequal bearings
caused by the rail joints.
My Invention has for its object the prevention of these sources of trouble, danger,
and expense.
I effect it in the following manner :-
I arrange that the inside of the jaw of every chair is notched or fluted, and that the
rails are rolled with corresponding ribs or projections, which fit in the said notches
or fluted spaces of the inside of the jaw of the chair, but not where the key is
driven in.
As the ribs are rolled on both sides of the rail, the ribs on the side where the
wooden key is driven in, act as key fasteners.
The notches in the chair, and the spaces between the ribs on the rail, are sufficiently
wide to allow of any play and adjustment that may be required, through the expan-
sion and contraction of the rails.
As the projecting ribs on the rails are small, the fish plates may be stamped with
a longitudinal groove or be cumbered to clear the said ribs.-The inside jaws of
crossing and check chairs may also be grooved to clear the ribs on the rails.
In the accompanying drawings, Fig. 1 is a side elevation of the rail showing
the ribs a.
Fig. 3 is a side elevation, showing th chair and key.-Fig. 2 is a plan showing
the rail in longitudinal section through . y. Fig. 3-In this Fig. 6 represents the
notches or fluted channels on the inside of the jaw of the chair.-In actual practice,
it would be preferable to arrange for some amount of play of the ribs a in the
notches b, to allow a slight movement for compensation. It would also be desirable
to arrange a groove half the thickness of the ribs a² on the wooden key, to ease the
movement of driving the key in, the remaining half being left for compression and
swelling behind the ribs to hold in the keys.-Fir keys would be preferable to any
harder wood.
Fig. 5 shows a cross section through a rail joint, illustrating how a fish plate of is
inade with a groove d, so as to clear the rib a when bolted together.-Fig. 4 is a
section-R-S of Fig. 2, showing the fluted chair.
It is obvious that when my Invention is applied to every chair (not slide chairs)
that longitudinal movement and consequent displacement of parts is prevented, and as
the longitudinal movement of switch tongues angles and crossing points, must derive
such movement from the permanent way in the rear, if such permanent way is
maintained in a fixed position (as my Invention maintains it) then of course the
switch tongues themselves, and other appurtenances, will be maintained in their
proper position.
A mere modification of my Invention would be to reverse the order, and make ribs
standing out from the inside of the jaw of the chair fit in between corresponding
indentations in the web of the rail.
I do not confine myself to the sizes shapes, or positions of the ribs or notches or
spaces.
My Invention is also applicable where iron or steel keys are used, or in conjunction
with any of the known forms of railway fasteners.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed, I hereby declare that
I claim as my Invention :-
In railway permanent way, providing teeth or ribs on one or both sides of the

page_text: webs of the rails, and corresponding notches or channels on the inside jaws of the
chairs, substantially as illustrated in the drawings, and for the purposes herein set
forth.
Dated the 4th day of November 1889.
JOHN P. O'DONNELL,
2, Great George Street, Westminster, S.W., Agent for the Applicant.