Improvements in Pins for Brooches and other like purposes.
Year: 1891

page_text: Date of Application, 1st July, 1891-Accepted, 1st Aug., 1891
COMPLETE SPECIFICATION.
Improvements in Pins for Brooches and other like purposes.
I, THOMAS ELCOATE of Chesnut House, Norton, Stockton on Tees Engineer 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:-
The object of my invention is to provide a pin for the attachment of brooches,
and for other like purposes, which shall be capable of being placed or inserted into
the fabric, without the use of the thrusting action that is necessary for the ordinary
pin, and at the same time shall be retained in the fabric with greater security than
is possible with the forms of pin now in general use.
In carrying out my said invention, I form a pin of any suitable metal in the form
of a spiral or corkscrew, having at one end a sharp point, and at the other end a
milled head or other suitable device for imparting a rotary motion to the said pin
with the finger and thumb. Where my improved pin is intended to be used as a
brooch pin, I form the part thereof nearest the said milled head or other device,
into a spiral so closely twisted as to form a spiral spring, and so be capable of a
certain amount of elasticity."
A small space intervenes between this said spiral spring and the milled head or
other device, such small space forming a bearing for a staple, affixed to one end of
the brooch, and this arrangement taking the place of the ordinary brooch hinge.
The other end of the brooch is furnished with a small hook or catch, into which
the free end of the pin is placed on fastening the brooch in the usual way.
My improved pin is also capable of being used independently of a brooch, for
such purposes as hair-pins and the like, and in which cases I omit the above-
mentioned spiral spring and substitute for the milled head a plain loop or other
convenient termination.
For the fuller explanation of my said invention I append the accompanying
sheet of drawings, in which
Fig. I shews my improved pin in its application as a brooch pin, and
Fig. II shewing the plainer form of the pin suitable for use as a hair pin or other
like purposes.
In the said figures the like letters of reference indicate similar parts throughout.
In Fig. I A is the main body or corkscrew portion of the pin. B is the close
twisted spiral spring thereof, and C indicates the milled head for rotating the whole.
D is the staple by means of which the one end of the pin is permanently attached
to the brooch, and E represents the hook or catch into which the point end of the
pin is placed when the brooch is fastened.
On placing the brooch in position the point of the pin is inserted into the fabric,
and by rotating the milled head C, the pin worms itself through the material so
far as is necessary for the proper securing of the attachment, and the point of the
pin is then placed in the hook E in the ordinary way. The object of the spring B
is to impart a certain amount of elasticity to the pin A in a longitudinal direction
so that in the event of strain caused by the weight or bulk of the fabric, the said
pin is enabled to stretch or elongate temporarily without injury to the corkscrew
portion thereof. A further use for the said spring B is to retain the staple D, in
the position shewn in the figure, the same working loosely on the portion of the pin
which it encloses, but is not able to pass over the spring B or the head C.
In Figure II F is the loop end or head of my improved pin, when used as a hair-
pin or the like, such head being of the shape shewn in the figure, or it may be of
any other convenient form.
As my invention is capable of some slight modification without departing from

page_text: the general principle thereof, I do not restrict myself to the precise form or
placement of the various parts thereof described herein and illustrated by the
accompanying drawings.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, 1 declare that what I
claim is ―
(1) A pin adapted for use in combination with a brooch, formed in a spiral or
corkscrew manner, and having formed therein a spiral spring, and a milled head
all substantially as described in the foregoing Specification and illustrated by the
accompanying drawings.
(2) A pin formed in a spiral or corkscrew manner having a loop or other con-
venient head formed thereon, all substantially as described in the aforegoing
Specification, and illustrated in the accompanying drawing.
Dhi
1
1001
RAYNER & CASSELL,
37, Chancery Lane, W.C., Agents for the Applicant.
RAYNER & CASSELL,
37, Chancery Lane, W.C., Agents for the Applicant.