Year: 1889

page_text: Date of Application, 23rd Mar., 1889.
Specification Accepted, 27th Apr., 1889
I, FREDERICK FRY of Leigh House, Chulmleigh in the County of Devon, Butler,
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:-
Heretofore there have been numerous window sash fasteners devised, that are cheap,
and simple of construction, and the principal object of which has been to prevent the
fastening being opened or tampered with from outside the window, by, for example,
the insertion of a knife or other instrument between the sashes, but all or most of
these fasteners can be readily opened by the insertion of one hand through a holo made
in the glass.
Now by my invention as hereafter described, the window is secured against any of
the foregoing methods of opening, a knife could have no effect upon it the use of both
hands is necessary before the fastener can be unlocked, also the window is prevented
from shaking, and the fastener is very simple, and can be easily used and operated by
anyone standing inside the room, and also the sashes are or may be drawn closely
together thereby.
I will describe my invention by reference to the accompanying drawings. Figure 1
being a vertical cross section of the two meeting-rails of a sliding sash frame, shewing
a fastener constructed according to my invention applied thereto, the latter also being
shewn in section.
Figure 2 is a plan of the parts shewn at Figure 1, the cover plate of the fastener being
removed in order to better shew the internal arrangement.
Figure 3 is a perspective view shewing the lock unfastened preparatory to the
window being opened, the fastener shewn in the previous figures 1 and 2 having been
shewn in the locked or fastened position.
Figure 4 is a perspective view of the hasp of the fastener.
According to my invention I mount on the lower meeting rail a, a box b, partially
enclosed at top by a cover b¹; in the box and between guides 62 there is a bolt c
arranged to be capable of horizontal movement and held in position as at Figure 2
by springs d, d. Fixed in the rear of the bolt is a pin e extending through the

page_text: rear of the box and provided with a handle e¹ which may be of any approved
shape such as is shewn at Figures 1 and 2, or as at Figure 3, for operating the
bolt. There is an oil hole ex formed in the top cover of the case by which the pin e
may be lubricated.
C
On the upper meeting rail there is a hinged piece g shaped as shewn at Figure 4
into the downward loop g of which the bolt c takes when the window is fastened.
In order to secure the sashes (the meeting rails a, f, being together as in Figure 3)
the handle e is pulled back by one hand of the operator, while with the other band
he turns the hinged piece g down from its position as shown at Figure 3 to that shewn
at Figure 1, and lets go the handle el, when tho fastener will secure the rails a fin
an effectual manner, and the loop gl describing the arc of a circle and acting against.
the front upper edge of the box b, will draw the sashes together, and also the
loop fitting the aperture in the box top will firmly hold the sashes and prevent them
shaking one against the other while locking on the inside window sash. The hinged
piece or hasp is provided with a handle on top to allow of its being manipulated
with convenience.
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 1
claim is
'
The arrangement and construction of window sash fasteners, consisting of the
box b, b, bolt c, springs d, handle part e, e' in conjunction with the hinged piece or
hasp 9, all substantially as described and illustrated with reference to the
accompanying drawings together with any mere modification or modifications thereof