Window Sashes Opening Inwards for Cleaning or other purposes.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Window Sashes Opening Inwards for Cleaning or other purposes.
WILLIAM MCGILL, Clerk of Works, 32, Cottage Grove, Stockwell, S.W.,
London, do hereby declare the nature of this invention to be as follows:-
Window sashes opening inwards for cleaning or other purposes, this is affected
by the style of sash being vertically divided into two parts working on a pivot
at bottom of sash, part of the face of this pivot is circular and part set back to
allow for opening, on the pin of this pivot is a projection fitting into slot and
on to a corresponding projection on plate. On the upper part of sash style is a
lock, opened and closed by a squar key part of the tongue of this lock is cut out
in a circular form, fitting over a corresponding circular projection on locking
plate, this lock and pivot together forming a grip action and making the vertical
joint perfectly tight when closed. The sashes can be opened together or separate,
and at any angle. No alteration to the sash frame or the hanging of the sashes.
Dated this 28th day of September 1898.
Window Sashes Opening Inwards for Cleaning or other purposes.
WILLIAM MCGILL, Clerk of Works, 32, Cottage Grove, Stockwell, London,
S.W., 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:-
-
My invention consists of the improved means or apparatus herein after discribed
and illustrated in the accompanying drawings.
For opening sliding window sashes inwards, for cleaning or other purposes this
is effected by style of sash being vertically divided into two parts rabbeted to-
gether to one of these parts the sash line is connected in the usual way the other
part forming style of sash these two parts are connected at the bottoms of the
top and bottom sashes by a specially constructed grip pivot part of the face plate
of this pivot is circular and part set back the thickness of rebate on the pin of
this pivot is a projection fitting into slot and working over a corresponding pro-
jection on locking plate, the upper part of top & bottom sashes are connected
together by a mortice lock. A portion of the tongue of this lock is cut out in
a circular form fitting over a corresponding circular projection on locking plate
forming a grip when locked, the grip pivot at bottom and this grip lock at top
making the vertical joint when sash is closed perfectly close and weather tight.
Price Q77

page_text: The sashes can be opened together or separate and at any angle, the sash fram
are not altered in any way and sashes are hung in the usual manner.
In order that my said invention may be more easily understood I have het
into annexed a sheet of drawings fully illustrating my said invention up
reference to which it will be seen that
A Fig. 1 shows grip pivot fixed in position.
D
E
H
J
دو
22
"2
37
lower part of top sash showing position of pivot.
" upper part of bottom sash.
"
vertical joint of top sash.
bead of sash frame.
B, B, Fig. 2 & 3 face plates of pivots.
C, C,
دو
"
""
section of face plate of pivot showing grip pin.
A Fig. 4 shows grip pivot fixed in position.
وو
"2
"
"
"
J,J,"
I,
lower part of bottom sash showing position of pivot.
beads of sash frame.
vertical joint of bottom sash.
G, Fig. 5 plan of sash showing joints in style.
J, Fig. 6 beads of sash frame.
K,
وو
"
dotted lines show lock and circular grip in tongue.
L, Fig. 7 face and section of lock showing projection for grip of lock.
M, Fig. 8 face of lock.
N, Fig. 9 dotted lines show position of lock in sash,
0, 0, 0, 0,
P, P, P, P,
Q,
Fig. 10 show position of locks.
"
"
show position of pivots.
"
"
inside elevation of sash.
R, Fig. 11 section showing how sashes open.
Having now particularly described and ascertained the nature of my sa
invention and in what manner the same is to be performed I declare that wh
I claim is:-
The construction and formation of the grip pivot as before illustrated a
referred to by the above letters A, A, B, B, C, C, Fig. 1, 2, 3, 4, this pivot to
constructed of any suitable metal. The face plates B, B, C, C, Fig. 2, 3, may
altered as to section to fit positions required the pin forming grip all the same.
Dated this 14th day of June 1899.
WILLIAM MCGILL,