IMPROVEMENTS IN OPENING AND SECURING WINDOW SASHES
Year: 1859

page_text: LETTERS PATENT to Joseph Bickerton, of Oldham, in the County of
Lancaster, Machinist, for the Invention of "IMPROVEMENTS IN OPENING
AND SECURING WINDOW SASHES."
Sealed the 15th September 1859, and dated the 21st March 1859.
PROVISIONAL SPECIFICATION left by the said Joseph Bickerton at the
Office of the Commissioners of Patents, with his Petition, on tho
21st March 1859.
I, JOSEPH BICKERTON, of Oldham in the County of Lancaster, Machinist,
do hereby declare the nature of the said Invention for "IMPROVEMENTS IN
OPENING AND SECURING WINDOW SASHES," to be as follows:-
This Invention is for the better security of windows having sliding sashes,
and consists in so fixing shooting or sliding bolts that a connection is secured by
such bolts between the sliding edge or side of the sash, and a fixed part of the
window frame which is passed over by the sash. A lock is let in or morticed
into the sliding edge of the sash with the bolt towards the part of the window
frame passed over. The key hole is made through to the side required, and
holes to receive the lock bolt are made at intervals in the fixed framework of
the window, and thus render the further opening of the sash difficult without
the key of the lock.
This Invention also consists in the use of pullies, slides, friction rollers, and

page_text: elastic packing to the sashes so as to dispense with the lines & weights now
used to sashes moving vertically. Or a rack and pinion arrangement may be
used for the said purpose of opening and securing the sash at a certain point.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Joseph Bickerton, in the Great Seal Patent Office on the
21st September 1859.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOSEPH
BICKERTON, of Oldham, in the County of Lancaster, Machinist, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-first day of March, in the year of our Lord
One thousand eight hundred and fifty-nine, in the twenty-second year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
.me, the said Joseph Bickerton, Her special license that I, the said Joseph
Bickerton, my executors, administrators, and assigns, or such others as I,
the said Joseph Bickerton, my executors, administrators, and assigns, should
at any time agree with, and no others, from time to time and at all
times thereafter during the term therein expressed, should and lawfully might
make, use, exercise, and vend, within the United Kingdom of Great Britain
and Ireland, the Channel Islands, and Isle of Man, an Invention for
"IMPROVEMENTS IN OPENING AND SECURING WINDOW SASHES," upon the condition
(amongst others) that I, the said Joseph Bickerton, my executors or adminis
trators, by an instrument in writing under my, or their, or one of their hands
.and scals, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and cause
the same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Joseph Bickerton, do hereby declare
the nature of my said Invention, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement: -
My Invention relates to windows having sliding sashes, and consists in so
fixing shooting or sliding bolts, that a connection is secured by such bolts between
the sliding edge or side of the sash and a fixed part of the window frame. For
this purpose a lock or other suitable fastening is let in or morticed into the sliding
edge of the sash with the bolt towards the part of the window frame passed over.

page_text: The keyhole is made through to the side required, and holes to receive the look
bolt are made at intervals in the fixed framework of the window, and thus
render the further opening of the sash difficult without the key of the lock.
Or a rack and pinion arrangement may be used for the said purpose of securing
the sash opened to a certain point. In either case the sash can be closed
easily at will but not opened beyond the point at which it has been fixed.
Having now described the nature of my Invention, and the manner in
which the same is carried into effect, what I claim is the method of securing
window sashes herein described.
In witness whereof, I the said Joseph Bickerton, have hereunto set my
hand and seal, the Twenty-first day of September, in the year of our
Lord One thousand eight hundred and fifty-nine.
(87) NOTNOU HITSON