An Improved Sash Fastener.
Year: 1895

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Date of Application, 29th Apr., 1895
Complete Specification Left, 28th Jan., 1896-Accepted, 29th Feb., 1896.
I, JAMES BURGESS MORGAN of 2nd Street, Davenport, Scott County,
Iowa, U.S.A., Dentist, do hereby. declare the nature of this invention to be as
follows:-
The sash fastener of this invention comprises a plate provided with an upwardly
extending curved flange which plate is fixed to the top rail of the sash. Upon the
bottom rail of the opposite and upper sash is fixed a rearwardly inclining plate to
which is pivotted a catch bracket which from the upper open position may be
turned down on its pivot to engage by a hook shape flange over and upon the
flange of the plate upon the opposite sash in the manner of a cam to draw the two
rails together so that the sashes are not only held by the fastener but also by the
frictional contact of the two rails and also to force the upper sash up and the lower
sash down. A catch hook on the pivotted bracket and another on the plate to
which the bracket is pivotted serve to keep the parts in the closed position and
take the strain off the pivot. The hook upon the bracket plate also serves, to
support the bracket when this is turned up into the open position.
Dated this 29th day of April 1895.
THOMAS R. SHILLITO,
89 Chancery Lane, London, W.C., Agent for the Applicant.
1
An Improved Sash Fastener.
I, JAMES BURGESS MORGAN of 2nd Street, Davenport, Scott County,
Iowa, U.S.A., Dentist, 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:-
In the accompanying drawing
Fig. 1 is a front view of the sash fastener of this invention applied to a window
and shewing the catch down. Fig. 2, is a side view of the same, showing the
catch raised. .
:
Fig. 3 is a detail front view of the lower part of the fastener.
Fig. 4 is a detail front view of the upper part of the fastener, shewing the catch
raised.
Fig. 5 is a detail plan view of the catch.
Fig. 6 is a perspective view shewing the catch closed.
A is the top rail of the lower sash of a window; and A' is the bottom rail of the
upper sash. The sashes are of ordinary approved construction which slide vertically
in guides.
:
The bottom part of the fastener consists of a plate B secured to the top rail A
by a screw b. The plate B has an upwardly projecting flange b' at its rear. This
flange has a convex front face 2 which is slightly inclined toward the rear on the
left side, and more sharply inclined toward the rear on its right side. The precise
shape of this flange is not important provided that it is convex at about the center
nortion of its front side

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Projections 4 at the front edge of the plate B are let into the wood of the sash
to take the strain off the screw b when the sashes are locked together.
The upper part of the fastener consists of a plate-C, and a pivoted catch D.
The plate C is secured to the bottom rail Aby the screw, and that part of it
which projects above the rail is rearwardly inclined as shewn in Fig. 2. The
plate C is provided with projections 4'similar to those on plate B.
i
E. is a pin secured to the plate C and c¹ is a forwardly projecting hook on the
left hand side of the said plate. The catch: Dis pivoted on the pin E, and is
provided with a thumb piece d on its right hand side, for operating it. The catch
is provided with a curved and hook shaped flange e in front, for engaging with
the flange and is a rearwardly projecting hook which engages with the
plate C.
When the catch D is raised as shewn in Fig. 2, the rearward inclination of the
plate C throws it clear of the lower sash, and either sash can be moved. When
the catch is down, it engages with the flange b' anil prevents the sashes from being
moved. When the catch is being pressed down, it engages with the convex face
of the flange on the plate B, and draws the meeting rails of the two sashes together,
so that the sashes are not only held by the catch but by the frictional contact of
'the two rails.
The rattling of the sashes is prevented by this device, and there can bẹ no draft
of air from between the rails.
When the catch is down, the two books take the strain off the head of the pin E,
the projections 4 at the same time taking the strain which comes on the plate B.
The hook c' also serves as a support for the catch when raised, and a stop for it
when lowered. When the catch D is pressed down, the flange e bears on the
flange b, and alsu forces the lower sash down and the upper sash up, bringing them
in contact with the 'bottom and top of the window frame.
I do not confine myself to the means shewn for securing the plate C to the
rail A¹, which consists in letting the lower part of the plate into the front part of
the rail and fastening it with a screw, as the plate C may be secured to the rail A'
in any approved manner in carrying out this invention.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what mauper the same is to be performed, I declare that what f
claim is -
1. In a sash fastener, the combination, with the plate B provided with an
upwardly projecting flange having a convex front face, of the rearwardly inclined
plate C, and a catch pivoted to the plate 'Cand adapted to engage with the said
flange, whereby the sash rails are drawn together, substantially as described and
shewn.
2. In a sash fastener, the combination, with the plate B. provided with an
upwardly projecting flange having a convex face, of the rearwardly inclined
plate C, and a catch pivoted to the plate Cand provided with a projecting thumb
piece for operating it, and a cam shaped curved flange for engaging with the
flange on the plate B, substantially as described and shewn.
3. In a sash fastener, the combination, with the plate B. provided. with an
upwardly projecting flange b¹ having a convex face, of the rearwardly inclined
plate C provided with the forwardly projecting hook c'; and the catch pivoted to
the plate C and provided with the hook shaped flange engaging with; the flange,
and the hook engaging with the plate C, substantially as described and
shewn.
Dated this 28th day of January 1896....
THOMAS. P. SHILLITO.