Improvements in and connected with Railway Carriage and other Sliding Windows.
Year: 1896

page_text: Date of Application, 30th Apr., 1896
Complete Specification Left, 10th Aug.. 1896-Accepted, 26th Sept., 1896
PROVISIONAL SPECIFICATION.
Improvements in and connected with Railway Carriage and other
Sliding Windows.
I, HARRY MACAULAY, of 116, St. Vincent Street in the County of the City of
Glasgow, North Britain, Clerk, do hereby declare the nature of this invention to
be as follows:-
This invention has for its object to facilitate the opening and closing of railway
carriage and other sliding windows, and to dispense with the use of the strap so
common in such windows.
In carrying out my invention I fix to each side of the front of the window frame
a rack, which works in a pinion wheel fixed, to the frame of the door. To the
window there is fixed, by means of a chain or chains, a weight which runs on pulleys,
and to prevent the chain from readily snapping I provide suitable springs which
cause the weight to rebound as it falls. I also provide a spring button which is
connected to a lever and which acts on the pinion wheel so as to cause the windows
to be raised when desired.
To allow the window to run smoothly it is made to run on rollers provided for
the purpose.
In opening the window it is simply pushed or pulled down by a suitable handle
to the required distance and then the lever engages with the pinion wheel and
retains the window in position, and when it is to be raised the button is pressed,
thus releasing the lever when the window, by means of the weight, closes.
Dated this 29th day of April 1896.
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Agents.
Improvements in and connected with Railway Carriage and other
Sliding Windows.
I, HARRY MACAULAY, of 116, St. Vincent Street, Glasgow, Clerk, do hereby
declare the nature of this invention and in what manner the same is to be
performed to be particularly described and illustrated in and by the following
statement:-
My invention has for its object to facilitate the opening and closing of railway
carriage and other sliding windows and to dispense with the use of the strap so
common in use on such windows.
In order that my invention may be properly understood and readily carried into
effect I have hereunto appended one sheet of drawings in both figures of which
corresponding parts are marked with the same letters of reference.
Figure 1 is a front elevation and
Figure 2 is a vertical section of a railway carriage window.
In carrying out my invention I fix to each side of the front of the window frame
a rack A in which works a pinion wheel 6 fixed to a roller or shaft B, which

page_text: revolves in sockets or journals a fixed to or encased in the frame-work of the door.
To the roller or shaft B there is fixed by means of a cord or cords, strap or
straps, chain or chains D a weight C, which may be guided by slides, pulleys, or
wheels.
In opening the window it is pulled down by the handle I: to the required distance
when a pawl F engages with a ratchet wheel E and retains the window in position.
This pawl F is pivoted at f to the frame-work of the part of the door immediately
below the window and the pawl is kept engaged with the ratchet wheel E by means
of a spring G. One end of the pawl F is connected to a lever or push H by which
it is disengaged from the ratchet wheel E. This lever push or spring button and
pawl may be made in any other shape or I may apply to the ratchet wheel any
other spring or springs. To close the window the spring button or push H is
pressed inwards and this disengages pawl F from the ratchet wheel E and the
weight C being heavier than the window it falls to the full extent of the cord or
chain and the window simultaneously rising is closed.
To prevent the chains, straps, or cords from readily snapping I may provide
suitable springs either fixed to the bottom of the chains, straps, or cords at their
junction with the weight or by a spring above the window or any suitable spring
or springs. If it should be necessary to render the window watertight I may
affix to the top of the window or window frame, a strip of metal, india-rubber,
spring rod or any other contrivance made from any material.
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 :-
In railway carriage and other sliding windows, the general arrangement and
combination of parts for opening and closing these, substantially as described and
illustrated on the accompanying sheet of drawings.
Dated this 7th day of August 1896.
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Agents.