Year: 1896

page_text: Date of Application, 21st May, 1896
Complete Specification Left, 20th Feb., 1897-Accepted, 21st May, 1897
We JOSEPH PRESTWICH of Elm Bank, 72 Eccles Old Road, Manager, and
THE PROTECTOR LAMP AND LIGHTING COMPANY LIMITED, both of Eccles, in
the County of Lancaster, Lamp Manufacturers, do hereby declare the nature of
this invention to be as follows:-
This invention relates to the handles of the latches of doors, gates, windows and
the like, the objects being to provide means for preventing (if desired) such handles
from being turned or from sliding to undo the latch, and to dispense with the use
of a lock as usual applied to the door, gate window or other part fastened by such
latch.
The invention consists in fixing in the handle itself a small lock and a suitable
key hole at any convenient part say at the side or on the edge of the said handle,
such lock being capable of fixing the handle so that it can not be turned or slide
as the case may be and thus although the catch or bolt of the latch may be very
large and strong the lock and key thereof may be quite small.
The handle may be prevented from turning or sliding by causing a pin or other
projection, when the latch has been fastened, to protrude from the spindle of the
latch and enter a suitable hole or notch in a tubular or other suitable fixture
applied to or forming part of the casing or cover of the latch (when the latter is
provided with a spring bolt) or otherwise fastened to the door.
Or the handle or handles may be fixed upon a spindle capable of a slight
end wise sliding motion the said spindle being provided with a projection moving in
a slot or groove in the before mentioned tubular or other fixture. This slot or
groove is (in the case of a turning handle) made in a circumferential direction
around the centre of rotation of the handle or handles and spindle; but at one
end, corresponding to the position of the spindle when the latch is fastened, the
groove is provided with a recess so that the projection or the spindle can be
pushed or pulled into the recess and locked therein by the lock in the handle and
thus the latter cannot be turned as the spindle is held fast.
It will be evident that the groove may be made in the spindle and the projection
fixed to the tubular or other fixture.
It is preferable to make the spindle larger than usual and tubular in form.
In some cases the protruding bolt or the projection or the groove may be
carried by part of the handle itself which part turns or oscillates in a tubular
or other fixture similar to that above described but specially formed to fit the
handle.
In the case of an endwise sliding spindle and handle or handles the latch lever,
or the arm or arms actuating the spring bolt must of course be arranged to allow
of such sliding motion.
A special feature of this invention is that the ordinary form of mortise lock
can be replaced by a narrow casing simply large enough to cover and contain the
sliding bolt forming the latch and the means for actuating the same.
In some cases where the locking device is put on the inside handle (say of a

page_text: door) and the stem of the key would have to be inconveniently long and conse
quently somewhat weak if the handle were required to be locked or unlocked from
outside, we propose to cause the handle or a part thereof to slide so that it can
be pulled outwards disclosing a slot or recess into which a short key can be
fitted.
The handle is then pushed back into position and the key is turned by the
handle itself to lock the catch.
Dated this 19th day of May 1896.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicants.
Improvements in or relating to the Handles of Latches.
We JOSEPH PRESTWICH, of Elin Bank, 72 Eccles Old Road, Manager, and
THE PROTECTOR LAMP AND LIGHTING COMPANY LIMD. both of Eccles, in
the County of Lancaster, Lamp Manufacturers, 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 :-
This invention relates to the handles of the latches of doors, gates, windows and
the like, the objects being to provide means for preventing (if desired) such
handles from being turned or from sliding to undo the latch, and to dispense with
the use of a lock as usual applied to the door, gate, window or other part fastened
by such latch.
The invention consists in fixing in the handle itself a small lock and a suitable
keyhole at any convenient part, say at the side or on the edge of the said handle,
such lock being capable of fixing the handle so that it can not be turned or slide,
as the case may be, and thus although the catch or bolt of the latch may be very
large and strong the lock and key thereof may be quite small.
The handle may be prevented from turning or sliding by causing a pin or other
projection, when the latch has been fastened, to protrude from the spindle of the
latch and enter a suitable hole or notch in a tubular or other suitable fixture
applied to or forming part of the casing or cover of the latch (when the latter is
provided with a spring bolt) or otherwise fastened to the door.
Or the handle or handles may be fixed upon a spindle capable of a slight end wise
motion, the said spindle being provided with a projection moving in a slot or groove
in the before mentioned tubular or other fixture. This slot or groove is (in the
case of a turning handle) made in a circumferential direction around the centre
of rotation of the handle or handles and spindle; but at one end, corresponding
to the position of the spindle when the latch is fastened, the groove is provided
with a recess so that the projection on the spindle can be pushed or pulled into the
recess and locked therein by the lock in the handle and thus the latter can not be
turned as the spindle is held fast.
It will be evident that the groove may be made in the spindle and the projection
fixed to the tubular or other fixture.
It is preferable to make the spindle larger than usual and tubular in form.
In some cases the protruding bolt or the projection or the groove may be
carried by part of the bandle itself which part turns or oscillates in a tubular
or other fixture similar to that above described but specially formed to fit the
handle.
In the case of an endwise sliding spindle and handle or handles the latch lever,

page_text: or the arm or arms actuating the spring bolt must of course be arranged to allow
of such sliding motion.
A special feature of this invention is that the ordinary form of mortise lock can
be replaced by a narrow casing simply large enough to cover and contain the
sliding bolt forming the latch and the means for actuating the same.
In some cases where the locking device is put on the inside handle (say of a
door) and the stem of the key would have to be inconveniently long and conse-
quently somewhat weak if the handle were required to be locked or unlocked from
outside, we propose to cause the outside handle or a part thereof to slide so
that it can be pulled outwards disclosing a slot or recess into which a short key
can be fitted.
The cuter handle is then pushed back into position and the key is turned by the
said handle itself to lock to catch.
In order that our invention may be clearly understood we have annexed hereto
the two accompanying sheets of drawings marked with figures and letters of
reference corresponding with the following explanation thereof.
Ou Sheet 1, Fig. 1 is a plan view in section of one of our improved locks in
which the handles a a 1 can be prevented from turning (to slide the catch or bolt b
of the lock) by means of small spring bolts c e 1 pushed outwards to protrude from
the tubular spindle d into holes in a tubular fixture g 1 by a wedge ended bolt e
acted on by a small lock in the case el worked by the key e2 inserted through the
side of the handle a 1.
Fig. 2 is a similar view shewing how the bolt e may itself be the locking bolt to
fix the handle a 1 to a fixed socket attached to the door g.
Figs. 3 and 4 shew in plan and elevation respectively another form of locking
device in which the handle a and the spindle d can slide as well as turn in the
fixed bush or tubular fixture g 1.
The pin d 1 fixed in the spindle can move in a suitable slot g* in the tube g 1,
but, when pushed into the recess g 2 of the tubular fixture g 1 prevents the spindle d
and handle a from being turned to slide the latch or bolt 6 and the pin d 1 can
be locked into this recess by a spring lever o" (as shewn on the drawings Figs. 3
and 4) moved by the bolt e as in the former cases.
It will be evident without illustration that the pin could be fast in the tubular
fixture g 1 and a suitable recessed slot made in the spindle d.
On Sheet 2 Figs. 5 and 6 shew a sliding bolt e carried by the inside handle a,
and caused to project into the tubular fixture by a key from the outside handle a 1
directly without the lock el and bolt e shewn on the other drawings.
In this case the key is a small loose part ex let into a suitable recess in the
spindle a 2 of the handle a 1 which can turn independently of the handle a, when
the pin is out of the slot 1. On the handle a 1 being pulled out into the dotted.
position the pin x is drawn into the slot 1 in the tube a* and on the handle al
being turned the latch bolt 6 can be operated.
To the spindle of the handle a is fixed a tube a" made with an enlargement
at a** into which the sliding bolt c which may be formed as shewn at Fig. 6 can
work; the tube a* is slotted at both top and bottom (see Fig. 5) the slots being
diametrically opposed to each other (see Fig. 6A) a pin x fixed in the spindle a 2
of the handle al can be caused to slide in one of these slots so that the handle
can be withdrawn until (see dotted lines Fig. 5) the key ex can be inserted into
the recess of the spindle a 2. The handle is then pushed back and the key may be
formed to fit a ward a 3 or wards which may be fixed to the face of the part a**;
on turning the handle al in the direction of the arrow Fig. 6 the key will have
moved the bolte (which is suitably formed see Fig. 6) and caused it to project
from a into a hole in the fixed tubular part 91 as shewn and this will prevent
the handle a from moving the latch or bolt b.
When the handle a 1 has made balf a turn it can be withdrawn and the key
will fall out into the recess 92 in the door from whence it can be removed by the
fingers.

page_text: On turning the key in the reverse direction the. bolt.c. can be again withdrawn
into the part a** which will release the handle a.
; We would remark in conclusion that we do not of course confine ourselves.to
the constructions arranged as shewn on the drawings and described with reference
thereto.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed. we declare that what we
claim is :-
1. A small lock and suitable keyhole fixed in the handle of a latch in order to
fix the handle and prevent its movement to act ou the latch, substantially as and
for the purpose herein before described.
2. A pin or its equivalent fitted in the handle of a latch and provided with
means for causing it to enter a fixture on the door substantially as hereinbefore
described.
3. A latch handle fixed upon a spindle or its equivalent capable of end wise
motion in a tubular or other suitable fixture and provided with a projection moving
in a slot in the said fixture, the slot being formed so that the projection can be
locked by suitable means into a recess which will prevent its movement into that
part of the slot in which the handle can be turned to undo the latch substantially
as hereinbefore described.
4. A sliding latch handle upon the inside of (say) a door in combination with
an outer handle formed to receive a key which is then pushed inwards so that the
turning of the latter handle locks the catch which prevents the motion of the
latch handle to undo the latch, substantially as hereinbefore described.
Dated the 18th day of February 1896.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicants.