A NEW or improve
Year: 1897

page_text: Date of Application, 16th June, 1897
Complete Specification. Left, 15th Mar., 1898-Accepted, 16th June, 1898
A NEW or improve
I, DAVID JOHN MORGAN, of 12, Windsor Road, Barry, near Cardiff, Engineer,
do hereby declare the nature of this invention to be as follows:
This invention relates to an improved fastening for windows, and its object is to
provide a simple device which will lock the sashes securely and which will not be
liable to opening from the outside.
In carrying out my invention, I propose to employ a locking plate secured to
one of the meeting rails by means of a pin or pivot. The plate is provided with
a longitudinal slot through which the pin passes so that it is loosely secured and
is allowed to move longitudinally as well as around a centre. The end of the
plate is formed with a curved notch eccentric to the pivot and forming a hook.
When the plate is turned round in locking position, this hook engages with a
small vertical pin secured to the plate or case carried by the other meeting rail.
On top of the plate a small eccentric is placed having a tooth, and the plate is also
provided with two pins placed at about right angles to each other. This eccentric
is secured to the pivot pin by a square hole through which the square part of the
pin passes, so that when the latter is turned, the eccentric will turn with it. The pin
is provided with a handle by which it can be operated, and on turning it in one
direction the locking plate is carried round until it engages with the pin on the
other meeting rail. When it is turned the pin or pivot is at or near the front end
of the slot, but on continuing to turn it the eccentric slides over the plate which
is not fixed to it and bears against one of the pins on the said plate, the latter
stopping after it has properly engaged. As the eccentric turns it presses back the
plate pulling the two sashes together, and causing the plate to engage the pin more
firmly.
To
The plate is provided with a small notch at the end opposite the hook, and a pin
is secured to the next case or plate carrying it so that when the locking plate is
pushed back in the manner above described, the notch will engage with the pin.
When in this position the locking plate cannot be forced round, as the eccentric
would require to be turned in order to release the plate from the pin.
release the fastener the pivot pin is turned round in the opposite direction
causing the eccentric to turn first. The tooth on the eccentric engages with the
second pin on the locking plate, pushes it forward so as to release the plate, and
then carries it round causing the hook to disengage from the pin on the other
meeting rail.
Underneath the locking plate and preferably below the casing
carrying it a second eccentric is secured fitted to the pivot pin. When the fasten-
ing is in locking position this eccentric is turned round so as to extend across the
opening between the two meeting rails, preventing any instrument reaching the
locking arm. The whole arrangement is preferably enclosed in a case so that it
cannot be tampered with, and the cases on each meeting rail are bevelled allowing

page_text: the sashes to open, but completely closing the aperture between them when they
are brought together forming additional safeguard for the fastener.
Dated this 16th day of June 1897
GEO. H. RAYNER,
37, Chancery Lane, London, Agent for the Applicant.
I, DAVID JOHN MORGAN, of 12, Windsor Road, Barry, near Cardiff, 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:—
This invention relates to an improved fastening for windows, and its object is to
provide a simple device which will lock the sashes securely and which will not be
liable to opening from the outside.
In carrying out my invention, I propose to employ a locking plate secured to
one of the meeting rails by means of a pin or pivot. The plate is provided with
a longitudinal slot through which the pin passes so that it is loosely secured and
is allowed to move longitudinally as well as around a centre. The end of the
plate is formed with a curved notch eccentric to the pivot and forming a hook.
When the plate is turned round in locking position, this hook engages with a
small vertical pin secured to the plate or case carried by the other meeting rail.
On top of the plate a small eccentric is placed having a tooth, and the plate is also
provided with two pins placed at about right angles to each other. This eccentric
is secured to the pivot by a square hole through which the square part of the
pin passes, so that when the latter is turned, the eccentric will turn with it. The pin
is provided with a handle by which it can be operated, and on turning it in one
direction the locking plate is carried round until it engages with the pin on the
other meeting rail. When it is turned the pin or pivot is at or near the front end
of the slot, but on continuing to turn it the eccentric slides over the plate which
is not fixed to it and bears against one of the pins on the said plate, the latter
stopping after it has properly engaged. As the eccentric turns it presses back the
plate pulling the two sashes together, and causing the plate to engage the pin more
firmly.
The plate is provided with a small notch at the end opposite the hook, and a pin
is secured to the next case or plate carrying it so that when the locking plate is
pushed back in the manner above described, the notch will engage with the pin.
When in this position the locking plate cannot be forced round, as the eccentric
would require to be turned in order to release the plate from the pin.
To release the fastener the pivot pin is turned round in the opposite direction
causing the eccentric to turn first. The tooth on the eccentric engages with the
second pin on the locking plate, pushes it forward so as to release the plate, and
then carries it round causing the hook to disengage from the pin on the other
meeting rail.
Underneath the locking plate and preferably below the casing
carrying it a second eccentric is secured fitted to the pivot pin. When the fasten-
ing is in locking position this eccentric is turned round so as to extend across the
opening between the two meeting rails, preventing any instrument reaching the
locking arm. The whole arrangement is preferably enclosed in a case so that it
cannot be tampered with, and the cases on each meeting rail are bevelled allowing
the sashes to open, but completely closing the aperture between them when they
are brought together forming additional safeguard for the fastener.

page_text: fcererring to the accomp
ying sheet vi
Fig. 1 is an elevation of a fastening device constructed according to this inven-
tion and Fig. 2 is a plan thereof in the fastening position.
Fig. 3 and 4 are similar views of a slightly modified arrangement in the un-
fastened position.
Fig. 5 is an elevation showing the key to be used in connection with this latter
arrangement.
Fig. 6 is a sectional elevation of a further modification and
Fig. 7 is a plan thereof in the fastening position.
In the arrangement illustrated in Figs. 1 and 2 the locking plate a is secured
upon one meeting rail by means of a pin or pivot having an operating knob c
and is provided with an elongated slot through which the pin b passes so that the
locking plate a is allowed to move longitudinally as well as around a centre. The
outer end of the locking plate a is formed with a curved notch a¹ forming a hook.
When the plate a is turned round into the locking position, this hook a¹ engages
with the pin e upon the other meeting rail. On top of the plate a a small eccen-
tric f shaped somewhat as shown with a cam surface f¹ a shoulder 2 and a tooth
or projection f3 is secured to the pivot pin b so that when the latter is turned by
means of the operating knob c the eccentric f will turn with it. Two pins g and g¹
are arranged upon the locking plate a at about right angles to one another.
In order to fasten the sashes, the knob c is operated and the shoulder f2 of the
eccentric f engages with the pin g¹ so as to turn the locking plate a and cause
the hook a to engage with the pin e. The cam surface f¹ of the eccentric f then
slides past the pin g pressing it outwards thus causing the plate a to slide by
means of the slot d on the pin b so as to pull the sashes together and obtain a more
firm engagement between the plate a and the pin e.
To unfasten, the knob d is turned in the reverse direction and the tooth f of the
eccentric f engages with the pin g so as to cause the plate a to turn and the hook a¹
to disengage with the pin e. The first portion of the movement causes the plate a
to move forward to loosen the fastening and the latter portion to turn the plate a
out of the way.
In order to obtain this effect in a more direct and certain manner a slot h is
formed in the base plate and a pin upon the under side of the plate a engages
therein. The slot h is arranged as shown so that the first portion of the unfasten-
ing operation causes a forward movement of the plate a and the pin g² then moves
in the circular part of the slot has the plate a turns.
A slot shown in broken lines in Fig. 2 may be formed in the plate a and a
pin j fitted upon the base plate so that when the plate a is pushed outwardly as
above described the slot will engage with the pin j so as to further secure the
fastening.
In the modification illustrated in Figs. 3 and 4 the operating knob c is dispensed
with and a separate key shown in Fig. 5 is used, the two prongs being
inserted into the holes formed in the pivot b so as to turn it and operate the
fastener in the manner above described. It will thus be seen that the fastener
cannot be operated without having possession of the key, thus affording an
additional element of security. In the arrangement illustrated the casing m is
formed upon the locking plate a and the eccentric f and pins g g are arranged
within it.
It will of course be understood that any other shape of recesses and correspond-
ing key may be used. If desired a plate either fixed or sliding may be fitted, so
that when the house is left the recesses are covered and cannot be operated. Or
if left for any considerable time the holes may be filled with sealing wax or other
material which can be melted on the application of heat.
In the further modification illustrated in Figs. 6 and 7 the arrangement is sub-
stantially the same as that described with reference to Figs. 1 and 2 but is further
provided with a latch n which when the fastening is effected engages with a
recess n' formed in the opposite meeting rail. The latch n may be operated by

page_text: b
an eccentric o upon the pin or pivot 6 engaging with a groove or slot or may be
operated by other suitable arrangements as will be readily understood. Instead
of having the latch n the eccentric itself may be arranged to project into the
recess n in the fastening position.
If desired, the latch n may be operated in a direction at right angles to that
shown so that by arranging the fastener adjacent to the window frames the latch
may be caused to engage with a plate attached to the frame and further secure
the window, also, by forming other openings in this plate the window can be
secured in a partially open position as will be readily understood.
In the arrangements illustrated no casings are shown but if desired the
mechanism may be arranged within a casing so as to prevent tampering and the
cases on each meeting rail are bevelled allowing the sashes to open, but com-
pletely closing the aperture between them when they are brought together forming
an additional safeguard for the fastener.
The operating knob c of the pin or pivot may be formed detachable so that
when the fastening is secured the knob can be removed. Any suitable means
for forming the connection between them may be used.
Also the eccentric f may
be arranged below the locking plate a instead of above it as shown.
A screw or bolt may be also inserted so that until the said screw or bolt is
removed the fastener cannot be operated.
Having now particularly described and ascertained the nature of my said in-
vention, and in what manner the same is to be performed I declare that what I
claim is:-
-
(1) An improved fastening for windows consisting of a locking plate upon one
sash, a pivot or pin passing through an elongated slot therein in order that the
locking plate may move lengthwise as well as turn upon the pivot or pin, and
an eccentric formed on the pivot or pin having a cam surface a shoulder and a
tooth or projection adapted to engage with the locking plate so that when
operated the locking plate is first turned to engage with a pin upon the other
sash, and is then moved lengthwise to draw the sashes together and form a firm
fastening substantially as described.
(2) An improved fastening for windows consisting of a locking plate upon one
sash, a pivot or pin passing through an elongated slot therein in order that the
locking plate may move lengthwise as well as turn upon the pivot or pin, an
eccentric formed on the pivot or pin having a cam surface, a shoulder and a
tooth or projection adapted to engage with pins upon the locking plate so that
when operated the locking plate is first turned to engage with a pin upon the
other sash and is then moved lengthwise to draw the sashes together and cause
a firm fastening and means for ensuring such lengthwise movement when the
turning movement is completed substantially as described.
b
(3) An improved fastening for windows consisting of locking plate having
hook a pivot or pin passing through slot e in locking plate a eccentric f upon
pivot or pin having cam surface f, shoulder and tooth or projection f
pins and upon locking plate, pin engaging with sloth or pin with
slot i, and pine with which the hook a engages on the other sash all arranged
and operating substantially as described with reference to Figs. 1 and 2 of the
accompanying drawings.
(4) An improved fastening for windows consisting of locking plate a having
hook a pivot pin passing through slot c in locking plate a, eccentric f upon
pivot or pin b having cam surface f¹, shoulder and tooth or projection f³,
casing m upon locking plate a within which the pins g and glare arranged,
holes for operating pin or pivot b by means of key k having prongs k₁ ka
pin engaging with sloth or pin engaging with slot and pin with which
the hook engages on the other sash, all arranged and operating substantially
as described with reference to Figs. 3, 4 and 5 of the accompanying drawings.
5

page_text: (5) An improved fastening for windows consisting of locking plate a having
hcok a pivot or pin 6 passing through slot e in locking plate a, eccentric f upon
pivot or pin 6 having cam surface f¹, shoulder f2 and tooth or projection f³,
pins g and g¹ upon locking plate a, pin g² engaging with sloth or pin engaging
with slot i, pine with which the hook a engages on the other sash and latch n
operated by means of pin or pivot and adapted to engage in recess n¹ formed
in the other sash, all arranged and operating substantially as described with
reference to Figs. 6 and 7 of the accompanying drawings.
Dated this 15th day of March 1898.
GEO. H. RAYNER,
37, Chancery Lane, London, Agent for the Applicant.