Improvements in and connected with Window Sashes.
Year: 1895

page_text: Date of Application, 26th June, 1895
Complete Specification Left, 26th Mar., 1896-Accepted, 2nd May, 1896
PROVISIONAL SPECIFICATION.
Improvements in and connected with Window Sashes.
I, CUMMING PATTON JAMIESON of 23 Duke Street, Alnwick, in the County
of Northumberland, Architect's Assistant, do hereby declare the nature of this
invention to be as follows :-
This invention relates to window sashes, and consists in improvements whereby
both upper and lower sashes can be caused to slide upwards and downwards in
the ordinary manner, and in addition the whole sash can be caused to swing
inwards so as to be easily accessible for the purpose of cleaning, repairing and
the like.
+
For this purpose the frame in which the two sashes slide instead of being fixed
rigidly to the wall of the building binged to one side of an outer frame or to
the wall of the building in such manner as to be capable of swinging freely open
inwards so that the outer surface of the glass and the sash may be easily accessible
for cleaning, painting, or glazing.
The weights which balance window sashes are in general disposed one upon each
side of the sash or frame, but in this invention I use one weight only to each sash
and arrange this upon the hinge side of the frame. The sash cords upon the
hinge side of the frame run from the sash upwards over pulleys and downwards in
the usual manner to the weight, but the sash cords upon the outer or swinging
side of the opening case run upwards over pulleys and across the top of the
opening case before passing downwards to the same weight as that to which. the
hinge side sash cord is attached. This arrangement allows the inner case to open
into the room without detaching any cords. It also prevents the weight of sliding
sashes bearing on the outer part of hinged case and sinking of the outer corners
when opened. The corners of the opening case are strengthened by a flat bar of
iron fixed behind outside linings, this bar passing over head and down the stiles.
Dahi ofth day of June 1895
WILLIAM J. MUNDEN,
106 Priory Park Road, Kilburn, London, N.W.,
far the Applicant
Agent for
COMPLETE SPECIFICATION.
Improvements in and connected with Window Sashes.
I, CUMMING PATTON JAMIESON, formerly of 23 Duke Street, Alnwick, in the
County of Northumberland, but now of Rosebank, Forfar, in the County of
Forfar, Architect's Assistant, 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 :-
This invention relates to window sashes, and consists in improvements whereby
both upper and lower sashes can be caused to slide upwards and downwards in
the ordinary manner, and in addition the whole sash fraine can be caused to swing
Improvements in and connected wit
I, CUMMING PATTON JAMIESON, formerly of 23 Duke Street, Alnwick, in the
County of Northumberland, but now of Rosebank, Forfar, in the County of
Forfar, Architect's Assistant, 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:-
This invention relates to window sashes, and consists in improvements whereby
both upper and lower sashes can be caused to slide upwards and downwards in
the ordinary manner, and in addition the whole sash fraine can be caused to swing

page_text: .
inwards so as to be easily accessible for the purpose of cleaning, repairing, and
the like.
For this purpose the frame in which the two sashes slide instead of being fixed
rigidly to the wall of the building is hinged to one side of an outer frame or to
the wall of the building in such manner as to be capable of swinging freely open
inwards so that so that the outer surface of the glass and the sash may be easily
accessible for cleaning, painting, or glazing. The weights which balance window
ashes are in general disposed one upon each side of the sash or frame, but in this
invention I use one weight only to each sash and arrange this upon the hinged side
of the frame. The sash cords upon the hinged side of the frame run from the
sash upwards over pulleys and downwards in the usual manner to the weight, but
the sash cords upon the outer: or swinging side of the opening-case run upwards
over pulleys and across the top of the opening case before passing downwards to
weight as that to which the hinge side.. sash cord is .attached. This
arrangement allows the inner case to open into the room without detaching any
cords. It also prevents the weight of sliding sashes -bearing on the outer part of
binged case and sinking of the outer corners when opened. The corners of the
opening case are in, some cases strengthened by a flat. bar of iron fixed behind:
outside linings, this bar passing over head and down the hinged stile.
the same.
.
In order that my invention may be fully understood and ascertained I append
drawings in which ;-
"
"
Fig. 1 is an elevation,
Fig. 2. is a vertical section, and
Fig. 3 is a horizontal section of a window sash according to my invention.
Fig. 4 is a section (on an enlarged scale) of the upper end of a sash.
A designates part of the wall of the building immediately in the opening in
which is fixed the outer frame B. The inner frame C is hinged to one side of the
opening in the outer frame B at the points c, in such manner as to be capable of
swinging freely inwards as shewn in dotted lines in Fig. 3. This inner frame C
contains the upper.sash D and the lower sash E,. both sashes being either of the
ordinary.or any convenient pattern. On the hinged side the outer frame B and
inner frame Care formed so as to give a sufficient space 6 for sash weights d and e
these being kept apart by a vertical partition b. These weights are so proportioned
as to balance the weights of the sashes D and E respectively.
.
To the top of the swinging edge of the inner frame C directly above the sash D
is fixed a grooved pulley and to the; top of the hinged side of the frame C is
fixed a similar grooved pulley.c, and. a cord D' which is attached to the outer
edge of.the.sash D. runs over.these two.. pulleys and c, passes. through the eye"
of the weight d is then carried over a pulley c³, (which is mounted on the hinged
side of the inner frame C) and is then fixed to inner side of sash D. Thus the
weight dexerts an equal pull upon both sides of the sash D and balances the
weight of the same.
An exactly similar set of grooved-pulleys c², c³, and care fixed in the top of
-the frame immediately above the sash E, c being immediately behind c³,
c behind c, and c behind c, and a similar cord E¹ passes in the same manner
from the sash E to the weight e.
The swinging edge of the inner frame C may be fastened in any convenient
manner.
The opening inner frame C instead of being strengthened by an iron plate
as mentioned may be trussed either by means of a cord or rod extending. from
the top hinged corner to the bottom swinging corner, or in any other. suitable
.manner.
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 I
claim is :-
1. The improved window sash and frame substantially as shewn and¬described..

page_text: 2. An improved window formed with inner case (opening inwards for cleaning
and other purposes,) containing sashes which can slide up and down, whether
window is fixed in usual manner or open for cleaning purposes.
3. An improved window formed with inner case (opening inwards for cleaning
and other purposes) containing sashes which can slide up and down whether inner
case be fixed or open, the weights supporting and balancing the weight of sashes
being arranged on the hinged side of frame only, substantially as shewn and
described.
Dated this 25th day of March 1896.
WILLIAM J. MUNDEN,
106 Priory Park Road, Kilburn, London, N.W.,
Agent for the Applicant.
WILLIAM J. MUNDEN,
106 Priory Park Road, Kilburn, London, N.W.,
Agent for the Applicant.