Improvements in Window Blind Rollers.
Year: 1894

page_text: Date of Application, 15th May, 1894-Accepted, 16th June, 1894.
COMPLETE SPECIFICATION.
Improvements in Window Blind Rollers.
I, EDWARD WILLIAM MALPASS of 8, Stone Street, Penkhull, Stoke upon.
Trent, Electrician, 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 an improved window blind roller and has for its object
to provide an arrangement by which the blind may be fastened easily and securely
to the roller without requiring the use of tacks.
The roller is divided longitudinally, or made in two parts, both being rebated so
that one fits closely against the other, forming a cylindrical roller when placed
together. The upper edge of the blind is placed between these two portions, and
on their being fitted together it will be clamped in place, the rebates holding it
securely. To fix the parts together, split sleeves are employed, which can be
slipped over the roller after the blind has been fitted. The flange and pulley are
both formed with sleeve extensions, closely fitting the ends of the roller, the blind
passing through the slit.
In order that the invention may be more clearly understood, reference is had to
the accompanying drawings in which
Fig. 1 is an elevation of the roller and parts without the blind,
Fig. 2 is a similar view with the blind attached,
Fig. 3 is a cross section and Fig. 4 a view of one of the end caps.
A A' are the two halves of the roller rebated at a, a¹ so that they fit closely
against one another to form a cylindrical roller as shown in Fig. 3. The upper
end of the blind B is placed between these parts so that when they are placed
together it will be held tightly in place, the rebated form giving a good gripping
surface. After the blind has been inserted the parts of the roller are fastened
together by the caps C in the form of sleeves, split at c, and carrying at one end
the pulley wheel D. The blind passes through the slits o when the caps are put in
place. Separate sleeves C¹ may be employed to bind the roller at the centre in a
similar manner.
0
In order to prevent the caps turning and also to more effectively grip the roller,
on the inner side of the sleeves are formed the knife edges d' of wedge form,
increasing in depth towards the ends. As the caps are pushed on, the knives will
cut into the wood slightly and press the two halves firmly together. The roller
may be cut in any other form than that shown, which may be found suitable.
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.) In an improved window blind, a split roller, between the halves of which the
top of the blind is gripped, the halves being fitted together by means of suitable
caps, substantially as and for the purposes specified.
(2.) In an improved window blind, a split roller, between the halves of which the
upper end of the blind is gripped, and caps in the form of split sleeves, carrying at
one end the pulley wheel, binding the parts together, substantially as described and
for the purposes specified.
(3.) In an improved window blind a split roller, the halves of which are rebated
and fit closely together, gripping the upper edge of the blind between them, and

page_text: caps formed with split sleeves carrying the pivot pins and pulley wheel, substantially
as described and shown.
(4.) In an improved window blind, the combination with a split roller between the
halves of which the blind is gripped, of end caps formed with split sleeves binding
the parts together, and sloping knife edges on the inner surface of the sleeves,
biting into the roller, substantially as described and shown.
(5.) The improved window blind attachment constructed and operating substantially
in the manner described and shown in the accompanying drawings and for the
purposes specified.
GEO. H. RAYNER,
37, Chancery Lane, London, W.C., Agent for the Applicant.