all organs.
Year: 1886

page_text: прготещены Щ allway organs.
We, FREDERICK STITZEL, Distiller, residing at Gregory Street, near Hamilton
Avenue, and CHARLES WEINEDEL, Manufacturer, residing at No. 304, West Main
Street, both in the City of Louisville, in the County of Jefferson, and State of
Kentucky, one of the United States of América, 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 :-
1
This invention relates to semaphores for use more especially in connection with
the block system of railway signalling; and it consists in means for operating the
visual device used to express "danger" and "safety" as we will now proceed to
specify and claim.
In the accompanying drawing illustrating our invention in the several figures of
which like parts are similarly indicated,
;
Figure, 1, is a side elevation with the casing in section.
Figure, 2, is a front elevation with the casing in section, in the plane of line, x-x,
figure, 1.
Figure, 3, is a front elevation..
Figure, 4, is a cross section of the power device, and,—
:
Figure, 5, a side elevation in detail of the signal rod operating cam, the last two
views being on a larger scale.
The casing, a, of suitable construction contains the signal operating mechanism,
and is provided with a properly guarded door, b, for admitting of access thereto.
For convenience the signal operating mechanism is arranged upon a frame, c,
adapted to be secured within the casing, a.
Upon a bracket, d, secured to said frame are arranged two electro-magnets, e,
side by side, each having an armature lever, f, f¹, (for the two see figure, 1,) and
said levers have stops. or projections, g, g¹, respectively, at their pivotal ends. h, is
a shaft supported in the frame and carrying on its end outside the frame a disc, v,
having diametrically opposite teeth or lugs, j, j', in line with the stop or pro-
jection, gl. Upon the face of this disc is arranged a raised plate, k, having a
5 shaped slot, k¹. This slot, k¹, receives a roller, 7, near the end of the rod, m,
which last extends out of the casing vertically up into a tubular extension, n, of
the casing, and connected with the visual signal as hereinafter described. The
S

page_text: roller, l, is arranged at such a point upon the rod, m, as that when said roller is in
the lowermost angle of the slot, the end of said rod will project below the disc, i, in
line with and so as to engage the stop or projection, g, of the armature lever, f.
The rod, m, is connected to a crank, o, fast on the shaft, p, which last has bearings
in the tubular extension, n, of the casing & said shaft, p, carries at its outer end
the visual signal, q, of approved construction. The signal, q, is arranged to work
in a shield, r, on the post or extension, n; & in connection therewith for night
signalling is used the lantern, 8. The signal, q, is counterbalanced to overcome the
weight of the rod, m, so as to assist in its operation.
The shaft, h, has secured rigidly to it a power apparatus, t, which in this instance
works upon the principle of Franklin's pulse glass, and consists of chambers, t¹, t¹,
connected in pairs by a tube, 12, so that when heat is applied to the lower chamber
the liquid (a readily volatilized one, such as chloroforin or ether,) will rise through
Baid tube into the other chamber, and gravity will act to invert the chambers and
rotate the shaft, h, and its affixed disc, i. A lamp,. u, may be provided as the
source of heat, and the products'of combustion escape into the tubular extension, n,
of the casing and keep the moisture within it from freezing upon and so rendering
the parts inoperative, thus insuring the working of the signal in cold weather. The
shaft, p, may be made hollow to serve as an outlet for the products of combustion,
or other exit may be provided.
The electrical apparatus is of approved form, and the use of the particular form of
power herein shown is optional, but both form essential elements in our semaphore.
The operation is as follows:-
In figures, 1, and, 3, the signal denotes safety, and in fig. 2, it is in the danger
position. In the position of "safety" the rod, m, is in its lowest position in the
notched slot, k¹, of the disc, i, and is held there by its engagement with the stop, g,
of. armature lever, f, which latter is attracted by the electrifled magnet, e, the other
magnet being inoperative, and its armature being free to be moved away from it
by contact of the lug, j, or, j¹, of the disc, i, with the projection; g', of the said
armature f¹. If a train now enters the "block" the electric current will be shifted
to the other magnet, e, which will attract & hold its armature lever, f¹, & the
armature lever, f, will be released. The counterbalanced end of the signal, q, is
now free to fall into the position of "danger" & in doing so, being heavier than the
rod, m, it draws the said rod, m, out of the angle of the Blot, k¹, up into the position
of figure, 2, the said angle at each end being inclined as shown in fig. 2, to assist in
this operation.
.:
While the train is in the block the liquid in the lowermost chamber, t¹, will, under
the action of the heat of the lamp ascend into the upper chamber, but one of the
lugs, j, or, 1, engaging the stop, g¹, of the lever, f, the motor and disc will be held
from rotating until the train leaving the "block" the electric current will be shifted
back to the first magnet whereby the armature lever, f¹, will be released and the
lever, f, attracted so that the power apparatus being now top heavy will rotate the
shaft, h, turn the disc, and force the lever, f', into the dotted line position fig. 2, to
allow the tooth or lug, j, or, j, to pass it, thereby drawing the roller, L, into the now
descending upper angle of the 5 shaped slot & drawing the rod, m, down to its
lowest position and so turning the signal into its shield to denote "safety." The
armature lever, f¹, is weighted (see dotted lines figure, 2) sufficiently to overbalance
the power apparatus until a sufficient quantity of liquid has entered the upper
chamber to overbalance and carry down the rod and signal should the magnet
release said armature prematurely.
When denoting "safety" the lower projecting end of the rod, m, is in contact
with the stop, g, of the electrically held lever, f, and its roller is in the lower angle
of the slot, k, and when said lever is released, said end of the rod trips said lever
& passes beyond it, as it the said rod slips upward in the alot in the disc. The
motor apparatus is large enough to contain such a weight of liquid in one chamber,
as, that in dropping from the uppermost position in making an eighth of a revolu-

page_text: tion, it will overcome the weight of the signal, and in its further revolution pull
the signal into a vertical position.
•
The power apparatus is held against reverse motion by a stop, v, on the casing.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that what
we claim is,-
1st. A visual signal, combined with a motor or power actuated by a vaporizable
liquid inclosed therein, and driven by heat from one chamber to another,
substantially as described.
2nd. A visual signal, combined with a motor or power actuated by a vaporizable
liquid inclosed therein and driven by heat from one chamber to another, and
an electrical apparatus for controlling the movement of said motor or power,
substantially as described.
3rd. A visual signal, and a motor or power actuated by a vaporizable liquid
inclosed therein & driven by heat from one chamber to another, combined with a
slotted plate or disc on the shaft of said motor, a rod extending from said disc to
the signal and an electrical apparatus for controlling the operation of the parts,
substantially as described.