Improvements in or in connection with Locks for Doors.
Year: 1891

page_text: Date of Application, 21st Dec., 1891
Complete Specification Left, 20th Sept., 1892-Accepted, 22nd Oct., 1892
PROVISIONAL SPECIFICATION.
Improvements in or in connection with Locks for Doors.
I, WILLIAM JACQUES of 2 Fen Court Fenchurch Street London E.C. Architect
do hereby declare the nature of this invention to be as follows:-
A means whereby the lock may be actuated without key and ring an alarm gong
whilst still retaining the features of a lever lock, the arrangement may be worked
from one side or from both sides of the door as desired.
The action of the special arrangement is as follows and is applicable to either
one or two bolt locks which may also be actuated by key and handle in the
usual way.
Figure 1 is a side elevation of a lock with one bolt suitable for spring doors with
the case removed.
Figure 2 is a side elevation of a lock with two bolts with the case removed.
Figure 3 is a side elevation of the handle and contact spring.
Figure 4 is a plan of the same.
A supplementary bolt A is worked from the back of the lock by means of a
rod B carried through the thickness of the door to a convenient position where a
panel is formed. By depressing or raising the handle C the bolt A is withdrawn
or shot respectively.
The screw socket D enables the travel of the bolt A. to be regulated.
The arm E attached to the handle C carries a brass contact stud F which comes
into contact with the two brass contact springs G G completing the electrical circuit
and ringing an alarm gong.
The levers of the lock each have a prolongation backward or tail H.
The bolt A carries a stud J which in its travel depresses the tail of levers H and
raising the nose K of the levers into the requisite position sets free the bolt L.
The projections M N on the bolt A comes into contact with the projection O & P
on the bolts L & Q and withdraws both bolts simultaneously setting free the
door.
נד
COMPLETE SPECIFICATION.
Improvements in or in connection with Locks for Doors.
I, WILLIAM JACQUES of 2 Fen Court, Fenchurch Street, London E.C., Architect,
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 :―
It is often required that under ordinary circumstances a door should be kept
locked (either habitually or from time to time) but nevertheless should be capable
of being opened readily and without delay in the case of fire or other emergency.
My invention is intended to meet cases of this sort; the door to which it is
applied can be locked and unlocked in the usual way but when locked it can still be
opened by a handle provided upon the door to which handle access may be had by
breaking a glass or other covering. The movement of the handle in opening the
door also closes the circuit of an electric bell.
In the annexed drawings
Figure 1 shows an elevation (with the cover of the case removed) of a lock in
accordance with my invention.

page_text: Figure 2 is a similar view of a two bolt lock one of these being a latch bolt.
Figure 3 is an elevation partly in section of the handle by which the door may
be opened without the use of the key.
Figure 4 is a sectional plan showing the handle.
The
a is the lock case and in it the bolt is arranged so that it may be shot in and
out in the usual way by a key inserted into the key hole at c. The bolt has a
stump upon it which is received into slots d' in the lock levers d of which there
may be three or other number; they are able to turn on a stud d². d³ are the lever
springs, they tend to press the levers downwards so that the notches in the slots d'
may engage the stump . In the position of the parts which the drawings indicate
the levers are upheld by a stud e¹ which is carried upon a sliding piece e.
sliding piece e is connected with a rod and by means which hereinafter are more
fully described can be moved from the position indicated by dotted lines to that
shown by the full lines and vice versa. When the piece e occupies the dotted position
the stud e' is clear of the levers d and they then engage with the stump of the bolt
and retain it except when they are ranged by means of the key as it turns either to
lock or unlock. When however the piece e is drawn back to the position shown by
the full lines the stud e¹ by acting against the tails of the leverse which are suitably
shaped, ranges the levers just as they would be ranged by means of the key and
this having been done the shoulder upon the sliding piece comes against the
shoulder on the bolt and then in its further movement the sliding piece e carries
the bolt back with it.
In Figure 2 is a latch bolt, it is operated by a follower and handle in the
usual way and also it is drawn back when the sliding piece e is brought to the
position shown by the full lines, there being another shoulder or projection e³ on
the piece e which operates against a similar projection on the latch bolt.
In Figures 3 and 4 h is a handle which is set in a recess or opening provided for
it in the middle of the door. ii are plates of glass or other material which until
they are broken prevent access being had to the handle. j is a metal plate fixed to
the door; the handle is pivotted to this plate at its heel passes through the
plate and is embraced by the forked coupling piece & which is also jointed to it.
The piece has a socket at ¹ into which the end of the rod is screwed and the
effective length of the rod can be adjusted by causing it to enter more or less into
the socket. The handle is armed with a piece of vulcanite, hard wood or other
insulating material and into this a metal stud ³ is set. The piece is embraced
between the two insulated springs and as the handle is pulled down to the
position shewn in full lines in Figure 3 the metal stud / comes into contact with
the springs and thereby a bell circuit is closed. This circuit is coupled with the
springs by the insulated binding screws m m. The circuit is led away from the
door by a frictional contact at the upper part.
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 :-
1. The combination with a lever lock of a piece e which when drawn back ranges
the lock levers and withdraws the bolt; such piece being connected with a handle
contained within a cavity in the door enclosed with glass or other material which
can be readily fractured.
2. Apparatus substantially as described and illustrated by the annexed drawings.
This 90th do of
1000
WILLIAM JACQUES.