An Improved Window-sash Fastener.
Year: 1898

page_text: PRUVIDIUNAL
An Improved Window-sash Fastener.
I, PHILIP MEREDITH, of 20, Russell Street, Swansea, Gentleman, do hereby
declare the nature of this invention to be as follows
This invention consists in an improved device for fastening window-sashes.
The fastener which constitutes this invention is arranged and operated as
follows: A bracket fixed on the lower rail of the upper sash carries. a lug which
extends inwards. To this lug is pivotted a forked lever having at the inner end
a cross-piece in which works a thumb-screw. Attached to the bracket aforesaid
is a pair of forked springs. One limb of each spring bears against the heel of
the forked lever. The other limb bears against the back plate of the bracket.
A plate carrying an upwardly-projecting tongue is secured on the top rail of
the lower sash. On each side of the tongue is a rounded shoulder.
When the fastener is out of operation, the forked lever stands up vertically
and is assisted to remain in that position by the springs aforesaid. The sashes
can then work past one another. Fastening is effected by tilting the forked
lever inwards and downwards. When the lever is thus lowered, the tongue on
the plate fixed to the top rail of the lower sash lies between the limbs of the
After the lever has been thus
lever. The springs assist to keep the lever down.
lowered, the thumb or binding screw aforesaid is screwed up into a hole in the
tongue. The part of the forked lever which, when the lever is lowered, bears
upon the rounded or inclined shoulders, formed at each side of the tongue, is
concave or inclined. Consequently, as the screw is screwed up, the upper sash
is forced upwards and drawn forwards, while the lower sash is forced backwards
and depressed.
Thus the sashes are tightly held and so prevented from rattling.
To release the sashes from the restraint of the fastener, it is necessary to
unscrew the binding screw and to tilt the forked lever on its pivot to the upright
position.
131
1
C T
1000
NICHOLAS WATTS,
Chartered Patent Agent, Bristol.
An Improved Window-sash Fastener.
I, PHILIP MEREDITH, formerly of 20, Russell Street, Swansea, and now of
Swansea Arms Hotel, Oxford Street, Swansea, Gentleman, 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 consists in an improved device for fastening window-sashes.

page_text: The fastener which constitutes this invention is arranged and operated as
follows.
A bracket fixed on the lower rail of the upper sash carries a lug which
extends inwards. To this lug is pivotted a forked lever having at the inner end
a cross-piece in which works a thumb-screw. Attached to the bracket aforesaid
in a pair of forked springs. One limb of each spring bears against the heel of
the forked lever. The other limb bears against the back plate of the bracket.
A plate carrying an upwardly-projecting tongue is secured on the top rail of
the lower sash. On each side of the tongue is a rounded shoulder.
When the fastener is open,
the forked lever stands up vertically
and is assisted to remain in that position by. the springs aforesaid. The sashes
can then work. Fastening is effected by tilting the forked lever in-
wards and downwards. When the lever is thus lowered, the tongue on
the plate fixed to the top rail of the lower sash lies between the limbs of the
lever. The springs assist to keep the lever down." After the lever has been thus
lowered, the thumb or binding screw aforesaid is screwed up into a recess in the
tongue. The part of the forked lever- which, when the lever is lowered, bears
upon the rounded or inclined shoulders, formed at each side of the tongue, is
inclined. Consequently, as the screw is screwed up, the upper sash is forced
upwards and drawn forwards, while the lower sash is. forced backwards and
depressed.
Thus the sashes are tightly held and so prevented from rattling.
To release the sashes from the restraint of the fastener, it is necessary to un-
screw the binding screw and to tilt the forked lever on its pivot to the upright
position.
Referring to the accompanying drawings, Fig. 1 represents a side view of my
improved sash-fastener as open. Fig. 2 is a similar view showing the fastener
closed. Fig. 3 is a plan of Fig. 2.
Screwed or otherwise fixed on the lower rail a of the upper sash of the
window is a bracket b carrying a lug c which extends inwards.
The lug c
carries a pin d upon which is pivotted the forked lever e carrying the screw f.
A pair of springs g are placed between the forked levere and the back plate of
the bracket b. The springs 7 are passed over a pin h fixed in the lug c. One
limb of each spring 9 bears against the forked lever. The other limb bears
against the back plate of the bracket b.
Screwed or otherwise fixed on the top rail of the lower sash of the window is
a plate carrying an upwardly-projecting tongue k on each side of which is a
rounded shoulder l.
When the forked lever e is raised as shown at Fig. 1, the sashes can then work.
The springs g assist to maintain the lever e in the raised position.
When it is required to close the fastening so as to prevent the window sashes
from working, the lever e is moved to the position shown at Figs. 2 and 3. The
tongue lies between the limbs of the lever e, and the springs g assist to keep
the lever e in the horizontal position. After the lever e has been lowered, the
screw is screwed up into the tongue k which is recessed to receive the screw
end. The undersides of the limbs of the lever e bearing upon the rounded
shoulders are inclined. Consequently, as the screw f is screwed up, the upper
sash of the window is forced upwards and drawn forwards, while the lower sash
is forced backwards and depressed. Thus the sashes are tightly held and so
prevented from rattling. Release is effected by relaxing the screw f and tilting
the lever e to the upright position.
Having now particularly described and ascertained the nature of this
invention, and in what manner the same is to be performed, I declare that what
I claim is
An improved window-sash fastener, consisting of a forked lever such as ●
pivotted to a bracket fixed on the meeting rail of the top sash, and a tongue

page_text: such as fixed on the meeting rail of the lower sash; the said lever carrying
a binding screw such as f and being acted upon by springs such as g, and the
said tongue having shoulder pieces such as provided at each side of it for the
inclined under faces of the limbs of the forked lever to bear upon when lowered;
the parts being constructed, arranged and operated substantially as hereinabove
described with reference to the accompanying sheet of drawings.
Dated his 1741 J. of Andahan 1000
NICHOLAS WATTS,
Chartered Patent Agent, Bristol.