Improved Window Fastener.
Year: 1890

page_text: Date of Application, 22nd July, 1890
Complete Specification Left, 4th Feb., 1891-Accepted, 14th Mar., 1891
PROVISIONAL SPECIFICATION.
Improved Window Fastener.
I, LAWRENCE SOLOMON WILKS, of 108, Amhurst Road, Hackney, Cigar
Manufacturer, do hereby declare the nature of this invention to be as follows:-
This invention relates to a fastener for windows which fastens automatically on
the windows being closed. This fastener consists of a box carrying a bolt pressed
out by a spring, attached to the top of one sash, and a receptacle for the bolt
attached to the top of the other sash. Upon the top of this receptacle is an incline
face to press in the bolt on the window being closed, and guide the bolt into its
recess. The bolt is fitted with an outside handle to enable it to be withdrawn to
open the window. A suitable check may be used to hold back the bolt when it may
be desired. This check may be a pivotted piece of metal arranged to bear against
a stud projecting from bolt, so that the bolt may be held open and both hands left
free to open the window by.
Dated this 22nd day of July 1890.
FREDERIC PRINCE,
Agent for Applicant.
COMPLETE SPECIFICATION.
Improved Window Fastener.
I, LAWRENCE SOLOMON WILKS, of 108, Amhurst Road, Hackney, Cigar
Manufacturer, 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 a window fastener that fastens itself on shutting down
the window.
To enable the invention to be properly understood, I will proceed to describe the
same with aid of the accompanying drawings.
Figure 1-front view of fastener with window secured.
Figure 2-sectional side view.
Figure 3-side view part in section.
Figure 4-sectional side view.
A and B the window sashes, upon top of sash A is attached a sheave or carrier C
for a bolt D, which is normally held pressed out by a spiral spring upon stem
which projects outside sheave and is fitted with a button F to enable the bolt to be
drawn in. On the other sash B is fitted a metal part G with suitable recess for
bolt D to shoot into. The top of this part G is made inclined as at H to press in
the bolt D when the window sash A is drawn down. Held under the recess for
bolt D is a weighted tumbler J which is pressed down by the bolt D when the
window is closed as in Figure 2.
To open the window the bolt D is first drawn back by the button F when the
tumbler Jrises into the position shown in Figures 3 and 4 and so holds back
the bolt D from its recess and allows the window to be opened when the boit D
shoots forward by action of the spring as in Figure 3, and locks itself on drawing
down the window as has been described.
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 :-
:-
A window fastener consisting of two parts, one part attached to one sash carrying

page_text: a depressible bolt held out by spring and having outside button to draw in bolt, the
other part attached to other sash having a recess for bolt to shoot into, an inclined
face over recess, and a weighted tumbler under recess, as described and illustrated
by the accompanying drawings.
Deted in 4th day of Waluminy 1801
FREDERIC PRINCE,
1, Quality Court, Chancery Lane, London, Agent for Applicant.