IMPROVEMENTS IN WINDOW FASTENERS
Year: 1877

page_text: LETTERS PATENT to Herbert Dickinson, of 34, Bath Buildings, Huddersfield,
in the County of York, for the Invention of "IMPROVEMENTS IN WINDOW
FASTENERS."
Sealed the 7th May 1878, and dated the 12th November 1877.
PROVISIONAL SPECIFICATION left by the said Herbert Dickinson at the
Office of the Commissioners of Patents on the 12th November 1877.
HERBERT DICKINSON, of 34, Bath Buildings, Huddersfield, in the County of
"IMPROVEMENTS IN WINDOW FASTENERS.
York
"1
This Invention relates to an inexpensive and simple construction of fasteners for
windows, such fasteners, when the windows are closed, self-actingly engage, and
thus lock or fasten the meeting rails of the upper and lower sashes; the fastener
being disengaged at the same time and by the same hand used for raising the
lower sash or window.
I employ a spring bolt, enclosed in a box or cover; this is attached to the lower
meeting rail. A recess is cut in the upper meeting rail, and covered by a metal
locking piece, within which recess, when the windows are closed, the end or lip of
the spring bolt is received, or there may be a "box" upon the upper meeting rail.
There is a fulcrum lever attached to (or acting against) the lower meeting rail and
the said bolt. On the thumb of the hand employed for raising the window being
placed and pressed upon the knob or projecting end of the fulcrum lever, the move-
ment of the latter withdraws the bolt from the recess, and the window is thereon.
free to open.

page_text: •
SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Herbert Dickinson in the Great Seal Patent Office on the 10th
May 1878.
HERBERT DICKINSON, of 34, Bath Buildings, Huddersfield, in the County of
York. "IMPROVEMENTS IN WINDOW FASTENERS.'
"
This Invention relates to an inexpensive and simple construction of fasteners for
windows, such fasteners, when the windows are closed, self-actingly engage, and
thus lock or fasten the meeting rails of the upper and lower sashes; the fastener
being disengaged at the same time and by the same hand used for raising the lower
sash or window.
I employ a spring bolt enclosed in a box or cover; this is attached to the
lower meeting rail. A recess is cut in the upper meeting rail, and covered by a
metal locking piece, within which recess, when the windows are closed, the end or
tip of the spring bolt is received; or there may be a "box" upon the upper meeting
rail; or there is a fulcrum lever attached to (or acting against) the lower meeting
rail and the said bolt. On the thumb of the hand employed for raising the window
being placed and pressed upon the knob or projecting end of the fulcrum lever, the
movement of the latter withdraws the bolt from the recess, and the window is
thereon free to open.
Such being the nature and object of this my said Invention, I will now proceed
to describe the same in detail, and in order that the Invention may be fully
understood, I have hereunto annexed a Sheet of Drawings illustrative thereof.
DESCRITPION OF THE DRAWINGS.
Fig. 1 is an elevation in section; Fig. 2 is a plan view of Fig. 1 with cover
plate removed.
Fig. 3, a side elevation.
Fig. 4, plan view; and Fig. 5, elevation in section of modification of above.
At A is the fulcrum lever, the 'end B acting on the end C; at D is the thumb-
piece. When the latter is pressed, the lever A moves upon its fulcrum or screw a;
the end d of the lever forces back and withdraws the bolt C from the box E, and
the window sashes are free to be separated. The spring F is for the purpose of
setting the bolt and lever always in the forward position, in order that on the
meeting rails being brought together by closing the windows, the bolt will, self-
actingly, engage with and enter the holding box E, so locking the windows. An
additional locking piece is shewn at G.
Having thus fully described the nature and particulars of this my said Invention,
together with the manner in which the same to be or may be performed, I would
have it understood that I lay no claim to any of the parts separately, but I limit
and confine my Invention to the application and use of the lever A, bolt C, and
spring F, combined and operated, and operating in the manner described and for the
purpose set forth.
In witness whereof, I, the said Herbert Dickinson, have hereunto set my
hand and seal, this Third day of May, in the year of our Lord One thousand
eight hundred and seventy-eight.
Witness,
WALTER BRIERLEY,
Patent Agent,
Halifax & Blackburn.
HERBERT DICKINSON. (L.S.)