Year: 1886

page_text: I, BENJAMIN JOSEPH BARNARD MILLS of the firm of Harris and Mills of
23 Southampton Buildings in the county of Middlesex, Patent Agent, do hereby .
declare the nature of said invention, a communication to me from abroad by
Messieurs Teste fils, Pichat, Moret & Cie of 11 Rue de la Claire, Lyons in the
Republic of France, Manufacturers and in what manner the same is to be
performed to be particularly described and ascertained in and by the following
statement:-
'
The invention has for its object the application to umbrella and such like frames
known as "Paragon" the section of the ribs and stretchers of which is U shaped
of an arrangement of stretcher joint hitherto applied to the umbrella frame known
as "bi-tubular" and particularly the means employed to attain this result.
The accompanying drawing represents to a scale of twice the real size the
arrangements I employ for this purpose.
In the automatically closing frame shown at Figures 1 to 5 the stretcher F is
jointed to the rib B by means of a metallic fitting G made of tempered steel which
is placed in the trough of the rib and is held at g, g'.
This metallic fitting carries at its centre a projection G' perforated to receive
the rivet of the stretcher, one of its ends should be solidly fixed under the wings of
the stretcher at g¹, the two projections or shoulders d, e, Figure 2, ensure the
fixing of the spring at this point; the tongue g also passes under a folded part of
the rib, but in such manner as to permit it a certain play.
The fitting G is thus solidly fixed to the rib, but is held in a rigid manner at
the part gl and in a moveable manner at the part g.
The stretcher is rivetted to this fitting, its head forms at C a cam which is
eccentric in relation to the rivet hole and presses against the edges of the ribs.
The rib thus pushed by this cam acts as a spring and when the stretcher F
forms an angle of about 25° to 30° as shown at Figure 2 the cam recedes and the
stretcher closes forcibly against the rib.

page_text: "
The fitting itself like the rib acts as a spring in such manner that these two
springs act simultaneously to produce the same result.
"
But the wings of the stretcher joint C are thin as also are the wings of .the
'paragon rib upon which the wings of the stretcher joint are to act. These
latter might pass or slide outside the wings of the rib; to obviate this incon-
venience an intermediate bridge piece L is placed for the purpose of forming a
wider central surface.
This bridge piece is of tempered steel, it has in plan, the form shown at
Figure 5, it is fixed to the fitting by its notched ends and rests upon the two
edges of the rib B.
Such is the general arrangement to be applied to a rib of the section of the
"Paragon" the fitting which acts otherwise in an exactly similar manner with
the rib having a bi-tubular section, with this latter rib the spring is fixed by three
hooks which grasp the rib by means of three holes pierced in the latter, which
arrangements are inapplicable to the " Paragon."
For the ordinary frame that is to say non-automatic the fitting is fixed in the
same manner as above see Figure 6.
This gives a very reduced fitting leaving to the rib a back with smooth surface.
To diminish the size of the umbrella the following means are employed which
consist in reducing the edges of the rib at A to the same height as the notch of
the runner N. see Figure 7.
Having now particularly described and ascertained the nature of said invention
and in what manner same is to be performed I declare that what I claim is :—
The application to umbrella and such like frames known as "Paragon" and to
other frames capable of receiving it, of the above described fitting and more
especially the means employed to fix it without piercing the rib which means
consist first in the folding of the wings of the rib upon the two ends of the fitting
in such manner as to leave to the latter a certain freedom in automatic frames and
to fix it rigidly in ordinary frames and second in the employment of the bridge
piece for the purpose of widening the contact surface for the wings of the rib at
the point at which the cams of the stretcher act in automatic frames.
Duhe
1000
B. J. B. MILLS.
By Harris & Mills,
23, Southampton Buildings,
"Agents.