Improvements in Sash Fasteners.
Year: 1897

page_text: Improvements in Sash Fasteners.
I, THOMAS GRADON, of Dan's Castle, Tow Law, R.S.O. Durham, Colliery Fitter,
do hereby declare the nature of this invention to be as follows:-
This invention relates to an improved sash fastener for windows and the like.
In carrying out this invention a plate is affixed to the outer sash meeting rail
to which is pivotted one end of a swivel bar or plate. The other end of the bar
is furnished with a knob or other suitable termination to grasp with the finger
and thumb. Near to the centre of the said swivel bar a widened out portion is
formed containing a slotted perforation or sinking, and on one side of the said
perforation the metal of the bar is sloped down away from the perforation. On
the inner sash rail is fixed a plate on which is mounted in a vertical position a
spring latch lock. A portion of the underside of the lock-case is cut away so as
to form a recess for the swivel-bar above described to pass into when the window
is to be fastened. The lock is so adjusted on the rail that the widened out portion
of the bar passes into the recess, and the catch of the lock works downward and
engages in the slot or perforation of the bar above mentioned. The lock catch
is rounded off on one side so that when the bar is forced home the catch slips up
over the sloping side of the bar and drops into the slot thus fastening the window
so that it cannot possibly be opened from the outside. To open the window a
detachable key is employed which fits on to a pin projecting from the side of the
lock, in turning which the catch is raised.
On releasing the key the catch drops back again so that the action of fastening
the window also locks it by reason of the automatic action of the latch, which
being similar to an ordinary door latch is always in a closed position. The
interior mechanism of the lock may be of any common or well known character.
Dated this 3rd day of December 1897.

page_text: to be performed, to be particularly described and ascertained in and by the
following statement:-
This invention relates to an improved sash fastener for windows and the like.
In carrying out this invention a plate is affixed to the outer sash meeting rail
to which is pivotted one end of a swivel bar or plate. The other end of the bar
is furnished with a knob or other suitable termination to grasp with the finger
and thumb. Near to the centre of the said swivel bar a widened out portion is
formed containing a slotted perforation or sinking, and on one side of the said
perforation the metal of the bar is sloped down away from the perforation. On
the inner sash rail is fixed a plate on which is mounted in a vertical position a
spring latch lock. A portion of the underside of the lock-case is cut away so as
to form a recess for the swivel-bar above described to pass into when the window
is to be fastened. The lock is so adjusted on the rail that the widened out portion
of the bar passes into the recess and the catch of the lock works downward and
engages in the slot or perforation of the bar above mentioned. The lock catch
is rounded off on one side so that when the bar is forced home the catch slips up
over the sloping side of the bar and drops into the slot thus fastening the window
so that it cannot possibly be opened from the outside. To open the window a
detachable key is employed which fits on a pin projecting from the side of the
lock, in turning which the catch is raised.
S
Referring to the accompanying sheet of illustrative drawings, Fig. 1, is an
elevation of a sash fastener constructed according to this invention and Fig. 2
is a plan of the same.
Upon the meeting rail a of the outer sash a base plate 6 is affixed and to it the
swivelling bar c is pivotted at d. A knob e is fitted upon the swivelling bar c
for purposes of manipulation. Near to the centre of the said bar e a widened out
portion c is formed having a perforation c² and on one side thereof the metal of
the lever is sloped down as shown at 3.
On the meeting rail a¹ of the inner sash is fixed a plate 6¹ on which is mounted
in a vertical position a spring latch lock f. A portion of the underside of the lock
case is cut away so as to form a recess for the swivel bar c to pass into when the
window is to be fastened. The lock f is so arranged that when the swivel bar c
is brought into the said recess the catch g will engage in the perforation ² and
secure the swivel bar c.
The edge of the catch 9 is rounded as shown so that in conjunction with the
sloped portion of the bar e the catch g is lifted as the bar is moved round, the
catchy dropping into engagement with the perforation c² when the swivelling bar
is in position.
To release the swivelling bar c so that the window can be opened, a key is
employed which fits on to the pin h projecting from the side of the lock f. On
returning the key the catch g is raised and the bar c can be moved.
On releasing the key the catch drops back again so that the action of fastening
the window also locks it by reason of the automatic action of the latch, which being
similar to an ordinary door latch is always in a closed position. The interior
mechanism of the lock may be of any common or well know character.
Having now described and ascertained the nature of my said invention and
in what manner the same is performed I declare that what I claim is :-
(1) A sash fastener consisting of a swivelling bar pivotted upon one sash and
a lock fitted upon the other sash having a catch which engages with a perforation
in the swivelling bar when brought into the fastening position the said catch
being raised by means of a key to release the swivelling bar when required to open
the window substantially as described.
(2) A sash fastener consisting of the swivelling bar c having an enlarged por-
tion c¹, perforation c³, and sloped portion and the lock f having catch g and

page_text: pin h on which a key is fitted for raising the catch g, and the whole arranged and
operating substantially as described with reference to the accompanying drawings.
Dated this 10th day of March 1898.
GEO. H. RAYNER,
37, Chancery Lane, London, Agent for the Applicant.