Year: 1888

page_text: I, WILLIAM CORAH junior of Salop Works Highgate Park Birmingham in the
County of Warwick Manufacturer do hereby declare the nature of my said 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 has for its object improvements in umbrella frames which close up
in a very compact manner especially at the junction of the lock stretchers with the rib
which I am able to make practically straight so that in folding up the umbrella case
no projection is felt by the hand at this joint but I also make the ends of the ribs to
come close in to the handle end of the stick.
In order that my invention may be clearly understood and more easily carried into
practice I have appended hereunto a double sheet of drawings upon which I have
illustrated an umbrella made according hereunto with the various details shown on an
enlarged scale so that they may be clearly seen.
Figure 1 is an illustration of an umbrella partly open so as to show more clearly
both the ribs E and the stretchers K.
Figure 2 shows the saine umbrella closed and rolled compactly together but with
the tip cup or collar A still drawn back but when this is pushed forward it covers the
runner B and the end of the ribs E and stretchers K.
Figure 3 is a broken off side elevation of the rib E and the stretcher K on an
enlarged scale so as to show more plainly the details of the junction of the two
members as well as their bottom ends.
Figure 4 is a broken off front elevation of the same as looking at them from the
underside of the umbrella when open.
Figure 5 is a broken off back elevation of the same as looking at them from the
outside when the silk or other cover is removed therefrom.
Figures 6 & 7 are side elevation and plan of the runner B.
It will be noticed that in the example or examples shown that the stretchers K are
sufficiently long to allow the ends of the ribs e¹ to lie inside them in such a manner as
to be practically quite hidden with the exception of the loop e² to which the silk or
other covering is sewn or fastened but hitherto this hook has been either on the other
side or a hole has been pierced through the rib for the purpose. The stretchers K are
Гр

page_text: flattened and pierced at and slots 6¹ are cut into the runner B to receive them after
which a wire 2 is threaded through each stretcher and is twisted at 6' and placed in
a special extra slot 63 in the runner B and thus there are no projecting parts at the
handle end. The most difficult part of an umbrella frame to keep thoroughly compact
and yet strong is the junction of the stretcher K with the rib E and in this I have
been successful. I accomplish this by bending the rib E at e sufficiently to permit
the clip M to be pierced practically on the centre line of the rib itself thus permitting
the two to close together without any projection beyond the thickness of the back k²
of the stretcher K as shewn closed by Figure 8. The ends m¹ are bent around the
rib to lock them together and the rivet m² further secures the whole together but the
sides of this rivet are within the line of the rib E the bend e being made for this
special purpose and not specially to hold the clip from slipping. The ribs may be
made longer than the stretchers.in which case the stretchers would have a cranked end
as shewn by Figure 9 for fitting into the runner and with an ordinary runner as
commonly known and they may be of solid section instead of hollow or fluted or U
as shown but otherwise the bend e in combination with the special clip M will be
practically the same.
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 :-
First The improvements in umbrella frames having a bend e³ in the rib in
combination with the clip M pierced for the rivet m² to be placed compactly whether
with long or short stretchers solid fluted or U shape substantially as herein set forth
and illustrated.
Second-The improvements in umbrella frames having the end of the stretcher
formed to receive the end of the rib for compactness substantially as berein set forth
and illustrated.
Third The improvements in umbrella frame runners B slotted to receive the
flattened ends of the stretchers and to receive the threaded wire twisted into the
special groove or slot substantially as herein set forth and illustrated.
Fourth-The improvements in umbrella frames herein set forth and illustrated
upon the accompanying drawings.,
Dated this with day of January 1888