Improved Joint Chair for Railway Rails.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improved Joint Chair for Railway Rails.
GEORGE HUNNABLE, Builder & Contractor Lower Railway Street, Braintree,
Essex, do hereby declare the nature of this invention to be as follows:-
That it is a improved joint chair for the joining of railway rails and also that
it takes the bearing of tlie metals at the extreme ends as well as the fastening
of the same together. My chair is also a combination of a fish-plate & chair and
is bolted by four bolts going through the chair & rails with a plate on the other
side bolting the whole things together this chair as also bolt holes for the
bolting of the same to a sleeper which will take the bearing of the chair & also
as a clip at the back to receive a blocking wedge to give it extra strength.
1 1000
Improved Joint Unair for Hallway Kans
GEORGE HUNNABLE, Builder & Contractor, Lower Railway Street, Braintree,
Essex, 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 subject of my invention is an improved fish plate joint combined with a
support for same in the form of a special joint rail chair ensuring an absolutely
firm joint and an adequate support for the ends of the rails which heretofor have
been fastened together, but unsupported from below.
The construction of the chair is some-what similar to those now in use, with the
exception that one of the fish-plates, (here-in-after called the solid fish-plate) is.
formed integrally with one of the clips of the chair, the other fish-plate to support
the other side of the rail, being loose or detached from the chair.
When a joint is to be made, the two rail ends are placed in the chair, against
the solid fish-plate; the loose fish-plate is then slipped in the other side, and
the joint is secured by bolts passing through both fish-plates, the web of the rail
and the clip on the chair which is formed integrally with the fishplate. A wedge
is then driven in between the detachable fish-plate and the other clip.
I will now describe my invention with reference to the accompanying drawings
in which.
Fig. 1 shews a perspective view of the rail chair and solid fish-plate.
T
B L
viam of the lonen fah-olate

page_text: Fig. 4 shews a. plan view of the whole joint.
Fig. 5 shews a cross section of whole joint on the line 1-1, Fig. 4.
a is the rail chair, provided with the usual side clips be to support the rail d.
The solid fish-plate e is formed integrally with the clip 6 and projects a short
distance in opposite directions beyond the chair, the projecting portions being
formed with a hook e to engage the lower flange of the rail. The detachable
fish-plate is formed with a similar hook f¹ for the same purpose, the hooked
portion being cut away at about the middle as shewn in Fig. 2 to fit the chair.
When the ends of the rails are placed in the chair, the-loose fish-plate f is
slipped into position and the joint is then bolted firmly together by bolt g as
shewn in Fig. 4.
:
The wedge his then driven in tightly between the clip cand loose fish-plate f
thus adding extra strength. The inner face of the wedge his grooved to allow
of its being fixed in position behind the heads of the bolt g.
The chair is bolted down to a sleeper in the usual way.
Having now described my invention, what I claim as new and desire to
secure by Letters Patent is :-
1. An improved fish-plate joint for railway rails and support for same, con-
sisting essentially of a special form of rail chair, a fish-plate forn.ed solid there-
with to support one side of the rail, a loose fish-plate and wedge, to support the
other side of the rail, said fish-plates projecting beyond the chair in opposite
directions and being formed with a hooked lower portion to engage the bottomi
flange of the rail; the whole being adapted to be bolted together, substantially
as shewn and described.
2. In an improved fish-plate joint for railway rails and support for same, the
combination of the chair side clips bc the solid and loose fishplates ef bolts g
and wedge h the whole securing the rail d and, being bolted down upon a sleeper
substantially as shewn and described.