Window Fastening.
Year: 1889

page_text: Date of Applica'ion, 23rd Feb., 1889
Complete Specification Left, 7th Mar., 1889
Complete Specification Accepted, 25th May, 1889
PROVISIONAL SPECIFICATION.
Window Fastening.
THOMAS DAY Station Master Higham Station Rochester Kent do hereby declare
the nature of this invention to be as follows:--
A Window Fastening with double action catch or bars with groove & tongue
as follows-A brass plate (or other substance) with two catches or bars attached
The catches or bars
by screw or otherwise to be fixed to top sash of window.
work one to the left and the other to the right and immediately accross the two
The left cach or bar has a groove extending
sashes when window is closed.
from thick or but end to a distance along the catch or bar sufficiently enough to
cross the division of the two sashes, the right catch or bar has a tongue exactly
fitting the groove in left catch or bar thus, when window is closed, securely pre-
venting any small instrument being used to force the catches or bars from the
outside. The two catches or bars stretch accross the two sashes and into a brass
plate, or other substance fixed to bottom sash. There are two springs at thick or
but end, one to each catch or bar, necessary for stiff action.
THOMAS DAY Station Master Higham Station Rochester Kent do hereby declare
the nature of this invention to be as follows:--
A Window Fastening with double action catch or bars with groove & tongue
as follows-A brass plate (or other substance) with two catches or bars attached
The catches or bars
by screw or otherwise to be fixed to top sash of window.
work one to the left and the other to the right and immediately accross the two
The left cach or bar has a groove extending
sashes when window is closed.
from thick or but end to a distance along the catch or bar sufficiently enough to
cross the division of the two sashes, the right catch or bar has a tongue exactly
fitting the groove in left catch or bar thus, when window is closed, securely pre-
venting any small instrument being used to force the catches or bars from the
outside. The two catches or bars stretch accross the two sashes and into a brass
plate, or other substance fixed to bottom sash. There are two springs at thick or
but end, one to each catch or bar, necessary for stiff action.

page_text: Window Fastening.
THOMAS DAY Station Master Higham Station Rochester Kent do hereby declare
the nature of my invention for WINDOW FASTENING and in what manner the same
is to be performed, to be particularly described and ascertained in and by the
following statement :-
A Window Fastening with double action catchs or bars with groove and tongue
as follows- A brass plate &c. or other substance (A) with two catches or bars (B)
attached thereto by two screws or otherwise to be fixed to top sash of window.
The catches or bars work one to the left and the other to the right and (when
window is fastened) immediately across the two sashes. The left catch or bar has
a groove (C) extending from thick or but end to a distance along the catch or
bar sufficiently enough to cross the division of the two sashes. The right catch
or bar has a tongue (D) exactly fitting the groove (C) in left catch or har (B).
Thus (when window is fastened) securely preventing any small instrument being
used to force the catches or bars from the outside. The two catches or bars B
stretch across the two sashes of window and into a brass or other substance,
reception E screwed or otherwise fixed to bottom sash.
At the thick or but end of catches or bars are two springs (one to each)
necessary for stiff action to keep catches or bars B tightly closed.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed, I declare that what I
claim is
Complete protection for double action catches or bars, (B), with groove (()) and
tongue (D) as above specified.
Drawing herewith.