IMPROVED PIN LOCK SAFETY FASTENERS FOR INSTANTLY SECURING WITHOUT SEWING ELECTRODES, GALVANIC AND MAGNETIC POLE PLATES, PROVISIONAL SPECIFICATION
Year: 1874

page_text: LETTERS PATENT to Isac Louis Pulvermacher, of No. 194, Regent
Street, in the County of Middlesex, Electrical Engineer, for the
Invention of "IMPROVED PIN LOCK SAFETY FASTENERS FOR INSTANTLY
SECURING WITHOUT SEWING ELECTRODES, GALVANIC AND MAGNETIC POLE PLATES,
PROVISIONAL SPECIFICATION left by the said Isac Louis Pulver-
macher at the Office of the Commissioners of Patents, with his
Petition, on the 22nd June 1874.
I, ISAC LOUIS PULVERMACHER, of No. 194, Regent Street, in the County
of Middlesex, Electrical Engineer, do hereby declare the nature of the
said Invention for "IMPROVED PIN LOCK SAFETY FASTENERS FOR INSTANTLY
SECURING WITHOUT SEWING ELECTRODES, GALVANIC AND MAGNETIC POLE PLATES,
AND OTHER ARTICLES AND THINGS TOGETHER OR UPON FABRICS OR MATERIALS," to
be as follows:-
-
This Invention relates to improved pin lock safety fasteners for
securing without sewing electrodes, galvanic and magnetic pole plates,.

page_text: buttons, tapes, bandages used in surgical operations, wearing apparel,
parcels, labels, leaves of books, pamphlets, and other articles or things
upon fabrics or materials, or to hold a series of such together, and
consists mainly of a special kind of plate, disc, or piece of metal with a
slot formed in it, one end of the slot having a recess or sunken portion
extending along the plate for a short distance where it terminates in a
hole or deep recess for the head of an ordinary dress pin to lie in and be
almost or quite flush with the surface of the plate. The other end of
the slot has a lip or tongue formed in it, and this is grooved or recessed
for the reception of the point of the pin so that it lies flush with the
surface of the plate also, the hole for the head of the pin and the groove
for the point acting as a locking medium for retaining the pin in place
and to prevent it becoming loose while the article which is fastened by
it is in wear or in use.
In applying my pin lock safety fastener to an article of dress, or to
connect the ends of any of my already patented galvanic bands, pole
plates, or flexible electrodums, I first push the pin through the material
with its point and with its head portions projecting, the plate is then
laid upon the material, and one end of the slot is pushed under the head
and pressed upon to bring its point up through the slit at the side of the
grooved tongue at the opposite end, the material is then turned slightly
to lift the point portion of the pin over the edge of the tongue and into
the recess or groove in the tongue itself, where it finds a lodgment, the
pin thereby becoming locked and held firmly in place without fear of its
getting loose from ordinary wear or use of the article to which my
Invention is affixed, the point being also protected against catching or
scratching other articles.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Isac Louis Pulvermacher in the Great Seal Patent
Office on the 22nd December 1874.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ISAC
Louis PULVERMACHER, of 194, Regent Street, in the County of
Middlesex, Electrical Engineer, send greeting.

page_text: Letters Patent, bearing date the Twenty-second day of June, in the year
of our Lord One thousand eight hundred and seventy-four, in the
thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said Isac Louis Pulvermacher, Her
special licence that I, the said Isac Louis Pulvermacher, my executors,
administrators, and assigns, or such others as I, the said Isac
Louis Pulvermacher, my executors, administrators, and assigns, should
at any time agree with, and no others, from time to time and at all
times thereafter during the term therein expressed, should and law-
fully might make, use, exercise, and vend, within the United Kingdom
of Great Britain and Ireland, the Channel Islands, and Isle of Man, an
Invention for "IMPROVED PIN LOCK SAFETY FASTENERS FOR INSTANTLY SECURING
WITHOUT SEWING ELECTRODES, GALVANIC AND MAGNETIC POLE PLATES, AND OTHER
ARTICLES AND THINGS TOGETHER OR UPON FABRICS OR MATERIALS," upon the
condition (amongst others) that I, the said Isac Louis Pulvermacher,
my executors or administrators, by an instrument in writing under my,
or their, or one of their hands and seals, should particularly describe
and ascertain the nature of the said Invention, and in what manner the
same was to be performed, and cause the same to be filed in the
Great Seal Patent Office within six calendar months next and imme-
diately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Isac Louis Pulvermacher, 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 thereof, that is to say :—
This Invention relates to improved pin lock safety fasteners for
securing without sewing electrodes, galvanic and magnetic pole plates,
buttons, tapes, bandages, used in surgical operations, wearing apparel,
parcels, labels, leaves of books, pamphlets, and other articles or things
upon fabrics or materials, or to hold a series of such together, and consists
mainly of a special kind of plate, disc, or piece of metal with a slot
formed in it, one end of the slot having a recess or sunken portion
extending along the plate for a short distance, where it terminates in a
hole or deep recess for the head of an ordinary dress pin to lie in and be
almost or quite flush with the surface of the plate. The other end of
the slot has a lip or tongue formed in it, and this is grooved or recessed
for the reception of the point of the pin, so that it lies flush with the
surface of the plate also, the hole for the head of the pin and the groove.for

page_text: the point acting as a locking medium for retaining the pin in place and to
prevent it becoming loose while the article which is fastened by it is
in wear or in use. t
In applying my pin lock safety fastener to an article of dress, or to
connect the ends of any of my already patented galvanic bands, pole
plates, or flexible electrodums, I first push the pin through the material
with its point and with its head portions projecting, the plate is then laid
upon, the material, and one end of the slot is pushed under the head and
pressed upon to bring its point up through the slit at the side of the
grooved tongue at the opposite end, the material is then turned slightly
to lift the point portion of the pin over the edge of the tongue and into
the recess or groove in the tongue itself, where it finds a lodgment, the
pin thereby becoming locked and held firmly in place without fear of its
getting loose from ordinary wear or use of the article to which my
Invention is affixed, the point being also protected against catching or
scratching other articles.
The annexed Sheet of Drawings represents several methods or forms
in which my safety pin fastenors can be made, but I do not limit myself
to those methods or forms alone, because there are a variety of others that
can be devised so long as the object of my Invention is retained, viz.,
constructing fasteners which can be slipped over or under the heads and
points of ordinary dress pin or pins of commerce to retain the pins in
place and to protect the heads and the points, as and for the purposes
set forth.
Figure 1 represents a strip or piece of metal stamped or cut into a
form suitable for the purposes of my Invention. a is the frame forming
the edging or plate proper. The central portion of the plate has a slot U,
in the hollow of which a tongue c is free to spring up and down. Onc
end d of the frame a has a depression stamped in it, and an opening e is
made leading from the indent or depression to the outer edge, in which
it forms a notch for the stem of an ordinary dress pin to pass into prior
to its finding a lodgment in the indent or depression in and against the
raised shoulders of which the pin head bears like a ball in a socket joint
in which the pin head serves as the ball and the indent the socket, the
pin head being when the stem is turned over lengthwise upon the plate
itself locked therein in a secure manner. There is a flattish part fto
the frame a, just inside the portion where the detent is, and it is from

page_text: this that the tongue projects, the tongue being either stamped from the
plate, or a separate tongue can be soldered, brazed, or rivetted on as
desired. The tongue c is bent up at about the middle of its length, and
its turned down free end has a notch cut in it into which the stem of
the pin lodges when the tongue is lifted and dropped over the pin stem
near the point end to lock it. The point proper of the pin is caused to
rest in a hollow in a second tongue h, and in which hollow the point is
retained by the spring pressure exerted by the tongue c. Thus the
pin is prevented moving "end on" in either direction, and is not only
itself secured but the fastener also is held rigidly, through temporarily,
to the garment, band, package, or other article or thing into or through
which the pin is passed.
Figure 2 represents the same plate with a pin in the position it
occupies after the point has been passed through say the meeting edges
of a fabric that have to be united. The action is this:-A pin is put
through the material so that its head and point are left projecting, a
plate is then taken and the indented end is slipped over the head with the
face of the plate downwards so as to lock the licad in the indent, the plate
is then turned over and pressed upon to permit of the pin point rising up
in the slot at the side for the scoop or shovel end of the tongue / to slip.
under it, that end of the plate is then pushed to one side to enable the
point of the pin to lodge in its recess, the tongue c is lifted for the notch
of its free end to engage upon the pin and thereby hold the pin point
down by its tension or spring pressure.
Figure 3 is a view of a plate a in which the tongues c and are dispensed
with, the head of the pin in this case being lodged in a recess at the end i
of the plate, and the point in a recess at the opposite end of the plate,
the two recesses being formed in lips or projections k, l, which lock into
the slot . In placing this plate upon the pin the fabric is bent down to
expose the head, the plate is then slipped over so that the head passes
up through the slot for the lead to take into the indent or recess, the
fabric at the point end of the pin is then bent down to expose the point
for the lip or projection to be slipped under it, the point rising up one
or other of the spaces m, m, for the purpose to enable the plate end to
be moved to one side, and the point to be lodged in the recess, the
bulkiness of the fabric and its pressure against the side walls n, n, of the
frame, as shown in Figure 4, serving to hold the plate in position, and
the plate-in-its-turn-holding the pin-with-the-head-and-the point below.

page_text: the face of the plate over which the hand can be moved without fear of
becoming scratched. The point is also protected from catching other
fabrics that may come into contact with the plate.
Figure 5 represents a plate of the first description in which the
tongue c is formed from part of the plate itself, the tongue in this case 5
being formed like the lip or projection of the previous Figure, so that
the point of the pin can be passed up through either channel m, m, for
the lip to be slipped under it.
Figure 6 is a view of a plate in which the lip is slit, and from this
slit a tongue h is formed to stand up above the level of the lip 1, and 1
act as a shield to the point of the pin.
Figure 7 represents a plate which after the head of the pin is engaged
in the notch and indent can be pressed down for the shovel edge to run
under the point of the pin which will then ride over bearing upon the
top surface, the tongue p being then lifted so that its bent or bellied J
portion lodges just under the point of the pin to prevent it escaping.
Figure 8 represents a plate a with the tongue c formed from an
extension of the plate and then bent over upon the plate so that its free
end which is notched can press upon the point of the pin to hold it
firmly down upon the lip l. The notch for the pin head at the end in a
this case is of clongated form with a hole at one end of larger diameter
for the head to pass into the slot or indent.
Figure 9 shows a plate a with a flat surface that can be stamped with
a name and address or other mark or indication, as in Figure 10, the
plate being of such a form that it can be held to the article by an
ordinary dress pin without fear of becoming detached except by the
point of the pin being lifted and the plate slipped to one side to free the
tonguc l.
In Figure 11 I have shown a similar plate in which the hole for the
head of the pin to pass through is in a raised wall or kink, the head
being then free to lodge itself in the indent or depression in the pro-
jecting lip.
Figure 12 shows a fastener with a tongue c to bear upon the stem of
a pin near the head portion, the opposite end of the plate being turned
under and notched for the point of the pin to enter and be protected by
the overlap.

page_text: Figure 13 represents a plate fastener with the body portion bent to
bear upon the fabric and body of the pin, the pressure being such that
the pin when once in position is prevented moving except by force in a
particular direction such as is not likely to be obtained during ordinary
wear or use of the sample.
Figure 14 shows an arrow shape of plate or fastener in or by which
pins of various lengths can be used, the point however of which in this
instance is engaged first, and then the tongue 7 is slipped under the
head where a lodgment is found in one or other of the recesses 1", "", "",
according to the length of the pin.
Figure 14 represents a frame plate with lips, as in Figure 3, the lip /
in this case having no hole in it for the pin head to take into, but a
detent for it to rest as is provided for the point.
As before explained my safety pin fasteners can be made in a variety
of ways and in a variety of shapes to suit the taste or want of the
designer or user, their application being endless since they adapt them-
selves to all purposes in which ordinary and detachable dress pins arc
employed.
Figure 15 represents a strip in which the lips & and project from
one side edge of the plate, and Figure 16 shows a plate of disc form
with the edges rolled over and slotted for the reception of the pin head
through one slot and the point through another slot, the disc is then to
be partially turned round until the head takes into one recess or against
a butt piece and the point into another recess, in both of which the head
and the point of the dress pin become retained until force is used to
disturb them. Other slots in some cases are formed in the rolled over
edge or lip, but only sufficiently large for the body and point of a dress
pin to pass, the head being retained or imprisoned by the shoulders of
its notch. In this manner a dress pin can be used like an ordinary pin
of a brooch, the shoulders of the lip forming the abutments for the pin
to move against as upon a pin joint, the point after passing through the
fabric being passed into its notch, and then the disc is turned partially
round to engage both the head and the point, as shown in full lincs in
Figure 17.

page_text: "
Figure 19 represents a disc or button a with one notch 6 only in the
turned or rolled over lip c, the metal of such notched portion being
turned down at right angles where it acts as a "butt or stop to the
pin head should the disc or button be turned so far round as to bring
the head against it as in dotted lines. The rolled or turned over circular 5
lip is fluted to strengthen the disc, the fluting forming a rib to nearly
close up the space between the disc proper and the lip so that the pivot
portion of the pin is prevented from having any play. The formation
of the fluting at the part indicated also leaves a channel at its outer cir
cumference, in which channel the head of the pin can travel so that the 1
head portion is thereby imprisoned, as in Figure 20.
Figure 21 represents a sectional view of one of my plate or frame
fasteners with the pin through a fabric and the head and point
protected.
Figure 22 shows a sectional view of the address plate safety pin 1
fastener with reference to that shown at Figure 10; and Figure 23
shows how a number of leaves of a book, sheets of paper, or other
articles or things can be held together by an ordinary dress pin, and the
pin be retained in position with the head points protected.
I have hitherto only referred to my safety pin fasteners as being made 20
from plates or strips of metal, but they can in many cases be made of
wire bent into the requisite shape and its free ends be caused to butt, or
they may be soldered together in any suitable manner; and in order
that such a construction can be carried into practice I have in Figure 24
shown a sample in which the elongation can when bent over form the 2
spring tongue to press upon the pin or upon the fabric, as in the sample
Figure 8.
I do not restrict myself to the employment of any particular kind of
metal for the purposes of my Invention, nor to other uses to which such
fasteners can be applied besides that of securing ordinary dress pins in 30
position, because such plates or other fasteners if made of positive and
negative metals can be employed as electro-motric plates of galvanic and
other bands or portable voltaic batterics also for securing the. elements.
composing a voltaic pile.
Having now described the nature of my said Invention, and in what 2:

page_text: Firstly. The construction and employment of fasteners in or by which
ordinary dress pins (detachable) can be secured or fastened in position
and protected after their insertion into or through a fabric or material,
all as herein-before described.
Secondly. I claim, the construction and employment of any one or
all of the samples shown in the annexed Sheet of Drawings as well as
any modification thereof, whereby ordinary dress pins can after their
insertion in fabric or material be fastened and protected.
In witness whereof, I, the said Isac Louis Pulvermacher, have
hereunto set my hand and seal, this Twenty-second day of
December One thousand eight hundred and seventy-four.
I. L. PULVERMACHER. (L.S).