Window-sash Fasteners.
Year: 1891

page_text: Date of Application, 10th June, 1891
Complete Specification Left, 13th July, 1891-Accepted, 15th Aug., 1891
PROVISIONAL SPECIFICATION.
Window-sash Fasteners.
I, EDWIN Russ, of Rozel, Winchester, in the County of Hampshire, Wine
Merchant do hereby declare the nature of this invention to be as follows:-
.
The object of my invention is to provide a simple and effective means for the
purpose of fastening the sashes of window frames so that they may be left open
a certain distance, but that it shall be impossible for a person to increase this
distance from the outside of the window; and at the same time preventing the
rattling of the window by wind or other causes. It may also be adapted to the
purpose of fastening the window-sash when it is completely closed.
The means whereby I accomplish my object is to provide a wedge which may
conveniently be made of metal, having Hanged or tapered edges for the purpose of
slipping into a corresponding dovetailed groove or projection in a plate provided for
the purpose, which is fastened to one of the vertical sides of the upper window-sash,
the wedge being secured to the plate by means of a screw or other convenient
means. When the wedge is fixed to the plate it is impossible to raise the lower
sash or to lower the upper sash further than the position in which the apparatus is
fitted to the window.
When it is desired to open the window past this position it is necessary to remove
the wedge from the fixed plate.
The wedge may if necessary be hinged to the fixed plate on the side nearest the
window pane into the recess of which the wedge would fold when not in action.
Dated this Tenth day of June 1891.
EDWIN RUSS...
COMPLETE SPECIFICATION..
Window-sash Fasteners.
I, EDWIN Russ, of Rozel, Winchester, in the County of Hampshire, Wine
Merchant, 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 :—
My invention relates to window-sash fasteners, the object being chiefly to provide
simple and effective means for securing the sashes of window frames in an open
position, and preventing the window frame shaking or rattling.
For this purpose I provide a flanged wedge which is adapted to fit and slide in a
plate fastened to one of the vertical sides of the upper window-sash, the wedge,
when placed in the plate, being secured thereto by means of a screw or other con-
venient means.
Or the wedge may if necessary, be hinged to the fixed plate as
hereinafter described.
To enable my invention to be fully understood I will describe how it can be
carried into practice by reference to the accompanying drawings, in which :-
Figure 1 is a front elevation:
.
Figure 2 is a side elevation; and,
-
Figure 3 is a plan of a window-sash fastener constructed according to my inven-
tion, the wedge being shewn adapted to slide in the fixed plate:
Figure 4 is a front elevation; and,
Figure 5 is a transverse section of part of a window illustrating the application
of the said sash-fastener:

page_text: Figures 6, 7 and 8 are similar views to Figures 1, 2 and 3 but shewing the wedge
hinged to the fixed plate:
Figure 9 is a front elevation; and,
Figure 10 is a horizontal section of part of a window illustrating the application
of the sash fastener.
Referring to Figures 1 to 5, a is the wedge, which I advantageously make of
metal, with flanged or dove-tail shaped back edges, b, as shewn most clearly in
Figure 3, fitting and sliding in correspondingly shaped grooves or ways c in the
plate d which is provided with screw-holes e, e to allow of it being fastened to one
of the vertical sides of the upper window-sash, as shewn in Figures 4 and 5. 9 is
the screw whereby the wedge a is secured to the plate d after having been placed
therein. The wedge is advantageously attached to a string secured to an eye i on
the window-frame j, to prevent its becoming mislaid when taken out of the
plate d.
The action is as follows:-
g
When the wedge a is slid into the plate d and fixed thereto by the screw it is
impossible for a person outside the window to raise the lower sash k or to lower the
upper sash further than the distance comprised between the top of the lower sash
and the bottom end of the wedge a as the meeting rail of the lower sash would be
pressed outwards by the wedge and tend to become jammed. If it be desired to
further open the window the screw y must be loosened and the wedge a slid out of
the plate d.
It will be obvious that the wedge a, when removed from the plate d, may be
inserted between the meeting rails so as to serve either for preventing the opening
of the window, or the rattling of the same.
In the arrangement shewn in Figures 6 to 10, the wedge a is hinged to the plate d
which is fixed to the inner edge of the vertical rail of the sash-frame so that,
when the wedge is in the position shewn in Figures 9 and 10, it will act similarly to
the wdge shewn in Figures 1 to 5, and when turned into the position shewn in dotted
lines in Figure 10 it will be clear of the lower sash k and the window can then be
opened to any desired extent.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is
1. A sash fastener consisting of a wedge adapted to slide in, or hinged to, a plate
designed to be fixed to one of the upright rails of the upper window-sash, substan-
tially as herein before described.
2. The improved window-sash fasteners hereinbefore described and illustrated
respectively in Figures 1 to 5, and Figures 6 to 10 of the accompanying
drawings.
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.