other Places, Shop Fronts, Windows, and other Purposes.
Year: 1886

page_text: Date of Application, 26th Feb., 1886.
Complete Left, 26th Nov., 1886.
Complete Accepted, 11th Jan., 1887.
other Places, Shop Fronts, Windows, and other Purposes.
I, WILLIAM DANIEL, Secretary of the Lartigue Railway Company (Limited) of
55 and 56 Chancery Lane in the County of Middlesex do hereby declare the nature
of this Invention, to be as follows:-
:-
This Invention consists in the construction of barriers or gates for fields, court
yards, level crossings of railways, barriers for clevated single line railways, lock
gates etc, as well as shop, and other, shutters and blinds, or awnings and tilts etc, in
the form of a jointed parallelogram so as to expand or contract in the manner of a
parallel ruler.
The gate etc consists of a pair of parallel members or bars joined by cross-members
or bars pivoted at their ends to the principal members or bars respectively so that by
the angular motion of the cross bars the gate may be lowered or collapsed and
extended or raised as required by a motion of the parts always in the plane of the
gate. The cross-bars may be joined by intermediate bars or members parallel to
the principal members and in some cases the cross bars may consist of plates of such
width as to form a shutter or door.
For railway, and other, gates the principal bars or members might be horizontal
and the cross-bars vertical (when the gate is closed) and the weight of the moving
parts might be counter balanced by a weighted lever or otherwise to facilitate the
movement of the gate. Railway gates of this kind can be opened and closed much
quicker and with greater safety than ordinary gates, as they may both be opened and
closed at one time by means of a lever arrangement similar to that used for working
the switches and signals, while by employing two levers, one at either side of the line
the gates may be closed from whichever side the gatekeeper may happen to be without
the necessity of crossing the line. The gate, when collapsed, folds into a recess
provided for it below the ground level, the top cross-bar or rail being brought flush
with the surface so as to allow of vehicles crossing.
In the case of shop fronts, and the like, the principal members of the shutter or
blind might be vertical so that the motion of extension and contraction would be in a
horizontal direction.
TU
זגננו
By A. M. & Wm. Clark,
53, Chancery Lane, London,
Patent Agents.

page_text: other Places, Shop Fronts, Windows, and other Purposes.
I WILLIAM DANIEL Secretary of the Lartigue Railway Company (Limited) of
55 and 56 Chancery Lane in the County of Middlesex do hereby declaro the nature
of this Invention (a communication to me from abroad by Charles François Marie
Thérèse Lartigue of Olieste Spain Engineer) and in what manner the same is to be
performed to be particularly described and ascertained in and by the following
statement:-
:-
This Invention consists in the construction of barriers or gates for fields, court-
yards, level crossings of ordinary railways, barriers for elevated single rail railways,
lock gates etc, as well as shop and other gratings or shutters and blinds or awnings
and tilts, etc; in the form of a jointed parallelogram so as to expand or contract in
the manner of a parallel ruler, the object being especially to provide a railway gate
or barrier which may be opened and closed more quickly and with greater safety than
ordinary gates such as are now in use and which when opened to the level crossing
will occupy but little space and will not stand across the railway.
The gate, or other structure, consists of a pair of parallel principal members or bars
joined by parallel cross members or bars pivoted at their ends to the principal
members or bars respectively so that by the angular motion of the cross-bars the one
principal member may be brought close to the other or moved away therefrom as
required. In this way, the gate or other structure may be lowered or collapsed and
extended or raised as required by a motion of the parts always in the plane of the
gate. The cross-bars may be joined by intermediate bars or members parallel to the
principal members and in some cases the cross bars may consist of plates of such
width as to overlap each other and form a shutter or door as distinguished from an
open work structure.
For railway and other gates, the principal bars or members might be horizontal and
the cross-bars vertical (when the gate is closed) and the weight of the moving parts
might be counterbalanced by a weighted lever or otherwise, to facilitate the movement
of the gate. Railway gates of this kind can be opened and closed much quicker and
with greater safety than ordinary gates as they may both be opened and closed at
one time by means of a lever arrangement similar to that used for working the
switches and signals, while by employing two levers, one at either side of the line, the
gates may be closed from whichever side the gate keeper may happen to be without
the necessity of crossing the line. The gate, when collapsed, folds into a recess
provided for it below the ground level, the top cross-bar or rail being brought flush
with the surface so as to allow of vehicles crossing.
In the case of shop fronts, outside window shutters or blinds, and the like, the

page_text: principal members of the shutter or blind might be vertical, so that the motion of
extension and contraction would be in a horizontal direction.
Reference is to be had to the accompanying drawings forming part of this
specification wherein Figure 1 represents an elevation and figure 2 a plan of a
railway level crossing closed by a pair of such gates. Figure 3 is an elevation and
figure 4 a cross section of part of the same in the raised or expanded position, and
figures 5 and 6 similar views in the lowered or contracted position; all on a larger
scale and shewing details of construction. Figures 7, 8, and 9 show the application
of the Invention to the permanent way of the Lartigue elevated single rail railway.
Figures 10 and 11 shew elevations, in the expanded or raised, and contracted or
lowered positions, of a gate in which the cross members are overlapping plates instead
of bars with intervening open spaces as before; these figures also illustrating the
construction which would be adopted in other cases where an open work structure is
not desired. The same letters of reference indicate similar parts in all the figures.
Referring to figures 1 to 6, a b are respectively the top and bottom horizontal
or principal members of the gate, c are intermediate horizontal members, and d are
the cross-members jointed by bolts or rivets, as shewn, to the horizontal members
at a b c respectively. The top member a is of T iron, and the lower member b of
channel iron so as to form a trough for the reception of the movable members of the
gate when in the closed position, this trough being usually sunk until the tops of its
sides are flush with the ground, the top member forming, when the gate is lowered, a
cover for the trough, as shewn in figure 5, over which road vehicles can easily pass.
The cross-members d are preferably placed alternately at opposite sides of the web of
the top member a and the intermediate members c are placed outside of the cross-
members at opposite sides, as shewn in figures 3 and 4, so as to permit of the members
being reasonably close together and yet permit of the gate being collapsed or
contracted until the top member comes close down upon or in the bottom one, as
shown in figures 5 and 6. The gates are steadied when in the raised position by the
ends of the top member a being received between pairs of posts g. The gates at both
sides of the railway are connected by a cross-shaft e which passes beneath the railway
rails and forms a continuation of, or is geared with, the bottom pivots of the two end
members of the gates. To this cross-shaft are attached weighted lever handles such
as are commonly used for working railway points, one being at each side of the line of
railway so that the gate-keeper, at whichever side of the line he may be, can open or
close both gates simultaneously without having to cross the line.
Figure 7 is an elevation shewing the gate as applied to the Lartigue elevated mono-
rail railway the gate being in the contracted or open position. Figure 8 is an
elevation, and figure 9 a cross-section, shewing the gate in the extended or closed
position. In this example, the top member a is itself a length of the railway rail of
which, when raised, it forms a continuation. The cross members d are jointed to the
top and bottom members, as before, and they support the top member under the weight
of the train. When the gate is in the raised position, the top member or rail is
steadied laterally by being received, as before, between pairs of posts which are strutted,
as shewn in figure 9, to ensure the necessary lateral stability. The construction of
the lower member or trough, and the working of the gate, is in other respects similar
to that before described. The gate is operated by means of a lever handle f which
may at same time serve as a signal disc for denoting when the gate is opened or.
closed. It is generally advantageous to so counterbalance the moving parts of the
gate that the latter may be operated with the least possible effort.
Figures 10 and 11 shew the construction which would be adopted for shop-front
shutters, and in other cases where an openwork structure is not required. In this
case the top member is of L section, and the cross-members d are plates of the form
shewn, that is to say, with projecting ears at diagonally opposite corners which are
pivoted to the top and bottom members, the other corners being notched or recossed
to afford clearance for the ears of the adjacent plates, and the width of the plates is
such that they slightly overlap one another.

page_text: Having now particularly described and ascertained the nature of the said Invention,
and in what manner the same is to be performed, I declare that what I claim is
1. The herein described construction of parallel motion jointed barrier, gate, or
shutter, substantially as specified and illustrated in the drawings for the purposes
specified.
2. The combination of a pair of parallel motion jointed railway barriers or gates
connected by a cross-shaft and operated simultaneously from either side of the line,
substantially as specified.
WM. DANIE
By A. M. & Wm. Clark,
MU.
53, Chancery Lane, London,
Patent Agents.