Improvements in Window Fasteners.
Year: 1889

page_text: Date of Application, 28th Dec., 1889
Complete Specification Left, 27th Sept., 1890-Accepted, 1st Nov., 1890
PROVISIONAL SPECIFICATION.
Improvements in Window Fasteners.
We WALTER JOHN MAY and ARTHUR EDWARD PADMORE both of the firm of May
and Padmore of 123 Leopold Street Birmingham in the County of Warwick
Manufacturers do hereby declare the nature of our said invention to be as follows:-
Our invention has for its object improvements in window fasteners by which the
sashes are by its action brought into position and secured together tightly and exactly
so as to minimize the liability to drafts of air and shaking of the sashes which is so
common with the ordinary window fasteners now in use. Our fastener is as
follows:-
The leg is as usual hinged or pivotted to the plate which is fastened to the upper
sash this plate having the box or flange continued all along the back thereof. The
leg is provided with an antifriction wheel which operates upon the outer edge of the
circle or guard. The circle or guard is formed in one piece with its plate and is bent
round into a parabolic curve shape so that the antifriction wheel operating upon the
face gradually brings the two sashes close together in an easy manner.
The circle or guard is also so shaped underneath the edge where it is slotted out for
the leg to pass under that as the arm moves round it raises the upper sash or depresses
the outer so as to bring them both into their proper closed position when the leg
rests in a slight terminal hollow under the circle or guard. The leg is so shaped
by being curved upwards and hung upon its pivot that it has the constant tendency
to bring the two sashes into their proper relative positions and to lock them there.
An antifriction roller may also be hung in the leg to work under the circle if desired.
A suitable boss is cast or formed upon the leg to carry the first mentioned antifriction
roller. These fasteners may be made in any metal.
Dated this 04th dow of D
ben 1000
GEORGE BARKER,
77, Colmore Row, Birmingham, Agent for Applicants.
COMPLETE SPECIFICATION.
Improvements in Window Fasteners.
We, WALTER JOHN MAY and ARTHUR EDWARD PADMORE both of the firm of
May and Padmore of 123 Leopold Street, Birmingham, in the County of Warwick,
Manufacturers, do hereby declare the nature of our said invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement:-
Our invention has for its object improvements in window fasteners by which the
sashes are by its action brought into position and secured together tightly and
exactly so as to minimize the liability to drafts of air and shaking of the sashes
which is so common with the ordinary window fasteners now in use. Our fastener is
as follows:-
The leg is as usual hinged or pivoted to the plate which is fastened to the upper
sash this plate having the box or flange continued all along the back thereof. The
leg is provided with an anti-friction wheel which operates upon the outer edge of the
circle or guard. The circle or guard is formed in one piece with its plate and is bent
round into a parabolic curve shape so that the anti-friction wheel operating upon the
face gradually brings two sashes close together in an easy manner.
The circle or guard is also so shaped underneath the edge where it is slotted out
for the leg to pass under, that as the arm moves round it raises the upper sash or
depresses the outer so as to bring them both into their proper closed position when
Price 6d 1

page_text: the leg rests in a slight terminal hollow under the circle or guard. The leg is so
shaped by being curved upwards and hung upon its pivot that it has the constant
tendency to bring the two sashes into their proper relative positions and to lock them
there. An anti-friction roller may also be hung in the leg to work under the circle
if desired. A suitable boss is cast or formed upon the leg to carry the first mentioned
anti-friction roller.
The fasteners may be made in any metal.
It will thus be perceived by the foregoing that our invention is to produce a window
fastener simple in its construction, easy in application and at the same time capable
of bringing and holding in close proximity the two sashes which is the aim and
object of this class of article.
And in order that this our said invention may be more clearly understood we shall
now proceed more particularly to describe the same and for that purpose we shall
refer to the several figures on the sheet of drawings hereunto annexed the same
letters of reference indicating corresponding parts throughout all the figures.
66
Fig. 1 is a front view elevation of our Window Fastener when the two sashes
are brought together and the fastening effected.
Fig. 2 is a side view in elevation of same..
Fig. 3 is a plan view of same.
Figs. 4 and 5 are views as Fig. 2 but relating to modification to be referred to
afterwards.
a. b. are plates the former being secured to the upper outer sash C, the latter to
the lower, inner sash d; a¹ is the flange; b' is the guard or striking plate; e is the
moveable leg or lever fitted to a at and upon the pin or pivot, F; in such manner
that the said leg or lever e may rotate, the said e is provided with the boss and pin g, for
receiving the anti-frictional roller or wheel h the free end of e, is also provided with
the stem and knob i and by means of which the object of this invention is effected.
If the sashes of the window are released and it is desired to fasten them movement
of the leg or lever e is effected by means of the knob i when the roller. or wlieėl h
will strike the surface of 6' and traverse taking e under and into the shaped slot b
as shown in the said Figures 1, 2, 3 for the purpose above set forth or as a modifica-
tion b¹ may
be grooved 63, in which h would traverse in a direct course as illustrated
at Fig. 4 or could have its edge turned over as 6 Fig. 5 which would answer the
same purpose.
The above being our invention we would observe in conclusion that we do not limit
ourselves to the precise detail as shown, as modifications may be made without
departing essentially from the principle.
.
"
.
_ Ai
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-
"
The construction of the leg or lever e and the application thereto of the anti-
frictional wheel or roller in combination and with the guard 61 as Figs. 1, 2',3 or
grooved b³ as Fig: 4 or a turned over edge 64 as Fig. 5 substantially as and for the
purposes described in the foregoing Specification and shown on the accompanying
sheet of drawings the whole forming our Improvements in "Window Fasteners."
Dated 26th September 1890
THOMAS KENDRICK,
Agent for Applicants.