Year: 1899

page_text: Date of Application, 29th June, 1899*
Complete Specification Left, 29th Mar., 1900-Accepted, 19th May, 1900
I, CHARLES SHORE, of the Firm of Messrs. Pullin & Shore Limited, of 13,
Mealhouse Lane, Bolton, in the County of Lancaster Electrical Engineer, do
hereby declare the nature of this invention to be as follows:-
My invention relates to apparatus known as street fire alarms used for notify-
ing to a central station an outbreak of fire in any part of a district in which
the said apparatus may be located.
My object is to provide improvements in connection with such apparatus
whereby according to my improved arrangement the speaking instrument used
in connection with such apparatus and well known is readily accessible and
thus communication with the central station facilitated.
According to my construction I provide within the casing of the apparatus
at a convenient part a perpendicularly situated bar the upper end of which
engages or interlocks with a spring actuated door which covers a casing in
which the mouthpiece of a telephone is situated. At the lower end of the
bar I provide a concentric piece or plate which plate rests upon a spiral spring
piece fixed on the floor of the casing the bar being supported in position by
suitable supports but free to move therein. On the said bar I provide a slid-
ing piece or weight, the said sliding piece is held in position at the upper part
of the bar by means of a spring or connection forming part of a push piece
which extends to the front or visible part of the apparatus, which push piece
with its connection is pressed towards the bar by its fixed contact with a piece
of glass in front of the apparatus; whilst in this position the sliding weight
is held at the upper part of the bar, but when the push is released from engage-
ment with the glass, as would be the case in the event of a breakage of the
same by a person who wished to communicate the occurrence of a fire or con-
flagration, the sliding weight being then released falls on to the plate at the
lower part of the bar presses down the bar on to the spiral spring which yields,
the bar then unlocks or disengages from the spring actuated door above referred
to, which immediately opens, speaking connection may then be effected with
the central station. When the apparatus is not further required, the door
enclosing the mouthpiece may be closed, and then becomes again interlocked
with the bar which is again ready for use when the sliding weight is adjusted
and a glass replaced.
J. H. BUTTERWORTH & Co.,
Rochdale, for the Applicant.

page_text: Improvements in and relating to Street Fire Alarms.
I, CHARLES SHORE, of the Firm of Messrs. Pullin & Shore Limited, of 13,
Mealhouse Lane, Bolton, in the County of Lancaster Electrical Engineer, 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 relates to apparatus known as street fire alarms used for notify-
ing to a central station an outbreak of fire in any part of a district in which
the said apparatus may be located.
My object is to provide improvements in connection with such apparatus
whereby according to my improved arrangement the speaking instrument used
in connection with such apparatus and well known is readily accessible and
thus communication with the central station facilitated.
According to my construction I provide within the casing of the apparatus
at a convenient part a perpendicularly situated bar the upper part of which
engages or interlocks with a spring actuated door which encloses a casing in
which the mouthpiece of a telephone is situate.
At the lower end of the bar 1 provide a concentric piece or plate which plate
rests upon a spiral spring piece fixed on the floor of the case containing the releas-
ing apparatus the bar being supported in position by suitable supports but
free to move therein.
On the said bar or in connection with the said bar I provide a sliding piece
or weight, the said sliding piece or weight is held in position or suspension
at the upper part of the bar or compartment enclosing the mechanism now
being described by means of a spring or connections forming part of a push
piece which extends to a piece of glass at the front or visible part of the
apparatus, which push piece with its connections is maintained in contact with
the bar whilst in engagement, with the said fixed piece of glass, but when the
push piece is released from engagement with the glass as would be the case in
the event of a breakage of the same by a person who wished to communicate
the occurrence of a fire or conflagration, the weight is then released and falls
on to the plate at the lower part of the bar or falls from its suspended position
acting upon the connections in engagement with the vertical bar and press-
ing down the bar on the spiral spring, which yields, consequently the upper
part of the vertical bar becomes unlocked with the spring actuated door above
referred to, which immediately opens, allowing of speaking communication
to be then effected with the central station.
When the glass is replaced and the weight adjusted in position the door of
the casing enclosing the mouthpiece becomes again interlocked the apparatus
is then again ready for use.
In order that my invention may be clearly comprehended I have hereunto
annexed the accompanying sheet of drawings in which like letters of reference
throughout the figures therein shewn indicate like parts.
Figure 1, is an elevation shewing the back and inside of my apparatus.
Figure 2, is a side elevation of Fig. 1.
a, is the perpendicular bar which interlocks at its upper part with a catch b,
on the door c, of an upper compartment o¹, containing a telephone or speaking
instrument d, at the lower part of the bar I provide a coiled spring e.
In connection with the vertical bar a, I provide a connection or lever f,
mounted upon a stud y, about which it is free to turn, the one end of the lever f,

page_text: engages with a projecting piece or stud h, on the vertical bar a, the ormer
opposite end engages with the one end of a weighted lever i, mounted upon
a stud j, about which it is free to turn.
The said lever i, also engages with a projection k, on a spring piece 1, provided
with a push piece m, which extends to a piece of glass n, at the front of the
apparatus and so arranged as to create a tension or pressure on the spring
piece 7.
The operation of my invention is as follows viz.:-
When the glass n, is broken by a person desiring to use the apparatus the
push-piece moves forward or outward and consequently the springpiece 7, the
projection, then becomes released from engagement with or to pass from
under the weighted lever i, obviously the lever i, is then free and caused to
turn about its support j, the weight descending describing an arc of a circle
-see dotted lines-lifting the outer end of the lever f, and causing the other
or connected end to descend and acting upon the pin or stud h, consequently
actuating the vertical bar thus releasing the upper end of the same from the
catch b, attached to the spring actuated door c, of the upper compartment o¹,
thus by the action of the spring p, and the mechanism situate in the lower
compartment o, operating in manner as above described causes the door of
the upper compartment to fly open thus speaking communication may be
effected through the mouthpiece of the telephone d.
CLAIMS.
Having now particularly described and ascertained the nature of this my
said invention and in what manner the same is to be performed I declare that
5 what I claim is:-
-
1. In an apparatus or street fire alarms in combination a telephone instru-
ment d, provided in a separate compartment enclosed by a spring actuated
door and a releasing mechanism provided in a separate compartment con-
trolling the spring actuated door of the telephone compartment as and for the
30 purposes herein fully set forth and described.
2. In combination the spring actuated slide bar a, the spring actuated door c
the depressing lever f, the weighted lever i, the spring piece l, the pushpiece m,
the glass n, the whole forming a releasing apparatus controlling a compartment
provided with a telephone or speaking instrument as and for the purposes
35 herein fully described.
P
1000