Improvements in Sash Fasteners.
Year: 1890

page_text: Date of Application, 18th Oct., 1:90
Complete Specification Left, 18th July, 1891-Accepted, 22nd Aug., 1891
PROVISIONAL SPECIFICATION.
Improvements in Sash Fasteners.
I ANDREW WEBSTER KIDDIE of 36 Virginia Street Southport in the County
of Lancaster, Joiner and Builder, do hereby declare the nature of this invention to
be as follows:-
This invention relates to fastening apparatus for sashes of windows of rooms of
dwelling houses and other places.
The object of the invention is to render the fastener self acting on the closing
of. the window entirely, or partially, within certain ranges and further to effect
fastening when the sash is moved from a partially closed to a fully closed or inter-
mediate position. Another feature of the invention is its capability of being
operated from a distance by a cord or other pendent connection.
In carrying out my invention I employ a rack, with a suitable number of teeth
attached to the one sash, say. the rising or lower sash, and a rocking click, or catch,
supported from the upper or falling sash. From the rocking catch projects an arm
to the outer end of which is connected a pendent cord, or connection, to be pulled
upon to depress, or withdraw the catch from the rack teeth and allow the sash to
be drawn down a tooth's depth, or more.
In some case, say for very large or other windows two sets of parts may be used,
mounted to act in unison and draught by a line at one side of the sash on a lever
mounted on the axis common to both catches may effect their release simul-
taneously.
Springs serve to press the catches into engagement with the racks.
Amongst the advantages of the use of this invention is the facility afforded for
ventilation by retaining the sash at a certain elevation with aperture for passage of
air whilst illicit opening from outside is prevented and automatic locking follows
the closing of the sash.
בד
101 1
1
1000
W M.. BROOKES-&. SON,.
55 & 56, Chancery Lane, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Sash Fasteners.
I ANDREW WEBSTER KIDDIE, of 36 Virginia Street, Southport, in the County
of Lancaster, Joiner and Builder, 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 retates to fastening apparatus for sashes of windows of rooms of
dwelling houses and other places.
The object of the invention is to render the fastening self acting on the closing
of the window entirely, or partially, within certain ranges, and further to effect
fastening when the sash is moved from a partially closed to a fully closed or inter-
mediate position. Another feature of the invention is its capability of being
operated from a distance by a cord or other pendent connection.

page_text: of the window as closed. The dotted lines in Fig. 1. indicate the fastener in the
position it will occupy when the sashes are about to be moved relatively. Herein
the fastener is shewn to be operated by a cord, but it may be operated by the
finger or otherwise. a is a rack, with a suitable number of teeth, as 1. 2. 3., said
rack being attached to the one sash, say the upper, or pulling, , and c is a rocking
click, or catch, centered at c² to the frame e, supported from the lower, or rising,
sash d. From the rocking catch c, projects an arm, (which may be as shewn, or as
a toothed quadrant, acted on by gearing, or otherwise), to the outer end of which
arm, as shewn, is connected a pendent cord, or connection e, to be pulled upon to
depress or withdraw the catch from the rack teeth, and allow, the sash to be
drawn down a tooth's depth, or more. a¹, c¹ are plates secured to the sash rails b
and d respectively, to support the parts a and c in relative position.
In some cases, say for very large or other windows, two sets of parts may be
used, mounted to act in unison, and draught by a line at one side of the sash, on a
lever mounted on the axis common to both catches, or on the tooth quadrant arm,
may effect their release simultaneously.
Although a spring fis shewn in the preceding figures, a weight may serve to
press each catch e into engagement with the rack 1. 2. 3.
Fig. 4 shews by a side view to a reduced scale, a modification of the arrangement
of the centre of motion c² of the part c, so as to give preponderance to the portion
of that part of the catch e lying between 2 and the rail a, so that the catch may
drop home into the rack without requiring the aid of a spring; or the weight may
be separately or otherwise applied.
Amongst the advantages of the use of this invention is the facility afforded for
ventilation, by retaining the sash at a certain elevation with aperture for passage
of air, whilst illicit opening from outside is prevented, and automatic locking
follows the closing of the sash.
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 :-
The combination of or arrangement and use of a rack piece as a, with a tilting
centered catch piece, as c and suitable supports and means of operation therefor, all
as and for the purpose set forth.
ed the 18th day of July 1891.
WM. BROOKES & SON,
55 & 56, Chancery Lane, London, Agents for the Applicant.