Improvements in Roller Blind Furniture.
Year: 1890

page_text: Date of Application, 20th Sept., 1890
Complete Specification Left, 20th June, 1891-Accepted, 25th July, 1891
PROVISIONAL SPECIFICATION.
Improvements in Roller Blind Furniture.
We, ALBERT HENRY ADCOCK, of 30, Highgate Crescent, Highgate Road,
Camphill, Worcestershire, Brass Founder, and ARTHUR JOHN ALLART of
28 Highgate Crescent aforesaid Brass Founder, do hereby declare the nature of
this invention to be as follows:-
This invention comprises the following improvements in roller blind furniture
and the first part of this invention has reference to the brackets which form the
bearings for the ends of the roller to turn in. We make each of the said brackets
from sheet steel or other sheet metal or alloy bent into an L shape so as to form a
bracket furnished with a foot for its attachment. When the two brackets are fixed
in position the proper distance apart the ends of the roller are placed in their
bearings in the brackets by first springing the brackets apart and when the brackets
are released they resume their normal position and support the roller between
them. By making the brackets that they will spring apart as above described we
do not require to make a side opening in one of the bearings which makes the roller
more secure. We prefer to raise the metal of the brackets round the bearings so
as to give longer wearing surfaces. The said brackets may be made with a small
projection at the base which ensures their being fixed the proper distance from the
wall or window frame.
The second part of this invention has reference to the construction and arrange-
ment of the roller ends and mechanism for supporting the blind as it is wound up
or down. The cap at one end of the roller has a fixed flange and on the central
axle of this cap a ratchet wheel turns and engaging with the ratchet wheel is a
pawl pivotted to the bracket. The ratchet wheel is held by friction between a
shoulder on the axle and a spring collar thereon this friction being sufficient to
support the weight of the blind. In the space between the said flange and ratchet
wheel the cord for raising the blind is coiled. On pulling the cord to raise the
blind the roller and ratchet wheel revolve freely in the same direction as the teeth
of the ratchet wheel pass the ratchet, and on the cord being released the ratchet
engages with the ratchet wheel and supports the blind. On drawing down the
blind the ratchet still holds the ratchet wheel but as the ratchet wheel is only held
to the roller spindle by friction as above described the roller is not prevented from
turning. The roller caps are by preference raised from sheet metal in a cup shape
and the centre spindles rivetted thereto.
Dated this 18th day of Sentember 1890
CHARLES BOSWORTH KETLEY,
Agent for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Roller Blind Furniture.
We, ALBERT HENRY ADCOCK, late of 30, Highgate Crescent, Highgate Road,
Camphill, Worcestershire, now of Crown Works, Čonybere Street, Birmingham,
Warwickshire, Brass Founder, and ARTHUR JOHN ALLART, of 28, Highgate
Crescent, aforesaid, Brass Founder, 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 comprises the following improvements in roller blind furniture
which we will describe by referring to the accompanying drawing on which

page_text: to this invention;
Fig. 2 is an end view of the same,
Fig. 3 is a sectional elevation of one of the roller ends;
Fig. 4 shews the parts of the same separately;
Fig. 5 shews how the roller is removed by springing apart the roller brackets;
Fig. 6 is a plan of one of the roller brackets and
Fig. 7 shews how the said brackets can be fixed to a vertical surface as the front
of a window frame.
The first part of this invention has reference to the brackets which form the
bearings for the ends of the roller A to turn in. We make each of the said brackets
(marked respectively B1 B2) from sheet steel or other sheet metal or alloy bent
into an shape (when viewed edge ways Figs. 1 and 5) so as to form a bracket
furnished with a foot for its attachment. Each of the brackets B1 B2 has a
hole 2 forming the bearings in which the ends c d of the roller turn. We
prefer to raise the metal of the brackets round these holes 62 as shewn so as to
give longer wearing surfaces. When the two brackets B₁ B2 are fixed in
position (see Figs. 1 and 5) the proper distance apart the ends of the roller A are
then placed in their bearings 62 in the brackets (or removed therefrom) by first
springing the brackets apart and when the brackets are released they resume their
normal position and support the roller between them. By making the brackets
that they can be sprung apart as above described we do not require to make a side
opening in one of the bearings 62 which makes the roller more secure.
the brackets B1 B2 may be, and by preference is, made with a small projection 6³ at
the base or foot which ensures the brackets being fixed the proper distance
from the wall or window frame to allow of the brackets being sprung apart.
Each of
The second part of this invention has reference to the construction and arranges
ment of one of the roller ends and mechanism for supporting the blind M as it is
wound up or down. The caps F and G at the ends of the roller are of the usual
construction. The cap G has a flange g fixed to it by the central axle D which
passes through both and is rivetted over at the end inside the cap. On the axle D
is a ratchet wheel H which is held by friction between the shoulder d² on the axle
and the spring collar I thereon this friction being sufficient to support the weight
of the blind when the notched wheel is prevented from turning. The spring collar I
is secured by the washer J and the shoulder d³ being rivetted over. Engaging
with the ratchet wheel H is a pawl or ratchet K pivotted at k to the bracket B².
In the space between the flange g and the ratchet wheel H the cord L for raising
the blind M is coiled round the axle D, one end of the cord being fixed to the cap G
as usual. On pulling the cord L to raise the blind the roller A and ratchet wheel H
revolve freely in the same direction, as the teeth of the ratchet wheel pass the
ratchet K as shewn by the arrow in Fig. 2, and on the cord being released the
ratchet engages with the ratchet wheel and supports the blind. On drawing down
the blind the ratchet still holds the ratchet wheel but as the ratchet wheel H is
only held to the roller spindle D by friction as above described the roller A. is not
prevented from turning. The ratchet K has a side projection n which engages
loosely in a hole in the bracket B2 to prevent the ratchet being turned back out
of gear with the ratchet wheel H. The brackets can either be fixed to hang down
from a horizontal surface (Figs. 1, 2 and 5) or they may be fixed to a vertical
surface (Fig. 7).
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 :-
1. Making the bearing brackets for blind rollers from sheet metal bent into an
shape adapted to spring apart when placing the blind roller in its bearings or
removing the blind roller therefrom substantially as hereinbefore described and
illustrated by the accompanying drawing.

page_text: 2. The improved blind roller bracket herein before described and illustrated by
the accompanying drawing.
3. The combination and arrangement of parts forming the roller end and
mechanism for supporting the blind as it is being wound up or pulled down
substantially as hereinbefore described and illustrated by the accompanying
drawing.
Dated this 19th day of June 1891.
CHARLES BOSWORTH KETLEY,
Agent for the Applicants.