Improvements in the Manufacture of Hinges, and Apparatus for the purpose.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements in the Manufacture of Hinges, and Apparatus for the
purpose.
I, JACK SHERIDAN COWPER, of 113, Fenchurch Street, in the City of London,
Manufacturer, do hereby declare the nature of this invention to be as follows:-
The object of my invention is the rapid and economical production of hinge
blanks from strips of metal plate. A hinge of the kind to which my invention
has reference comprises two plates each perforated for screws (the holes being
usually also countersunk) and each having one of its edges so cut as to form a
projection or projections which being subsequently bent to a tubular form receives
the pin whereby the two plates are jointed together to constitute a hinge.
I form at one operation from a strip of metal plate the two plates for a hinge,
(or sometimes, one of them only) perforated and ready to have the holes there-
through countersunk (if required) and the projections suitably bent to receive
the hinge pin.
For the purposes of my invention two sets of tools (hereinafter called severing
tools) are secured each set within a suitable case frame or holder (hereinafter
called a holder) means are provided for actuating one or both of the holders by
hydraulic power or otherwise, and conveyors are so arranged as to carry away
the pieces of metal severed from the strip.
The number and arrangement of the severing tools depend upon the sizes and
shapes of the hinge plate blanks to be produced. The screw holes through the
blanks are formed by punches whose number and arrangement depend on the
number and positions of the holes to be formed through the blanks for the screws
to be used for fastening the hinges in place for use.
According to one arrangement there are by set screws or equivalent means
secured in proper relative positions in the lower holder a straight severing tool
and a set of severing tools of two different lengths these being adapted in con-
junction with a reversely arranged set of similar severing tools fixed in the
upper holder to divide a strip of metal plate transversely in two places, namely,
in a straight line at one part of the length of the strip, and be-
tween that part and the end of the strip in a direction that will
give to the juxtaposed portions of the plate when divided a rectangularly toothed
formation such that a tooth like part of the one piece of plate after being bent
to tubular form to receive a hinge pin, will be suitable to enter between two
similarly bent tooth like portions of the other: and the two can be then connected
to form a hinge by threading a pin through the lugs or eyes formed by their bent
tooth like parts. The bodies of the severing tools in the lower holder are formed
with slots or openings whilst in the upper holder there are secured in positions
corresponding to those of the holes it is required to make through the hinge
plates a set of punches, so that at the same time the two pieces of plate to form
a hinge are severed from the strip of plate (which is guided by suitably arranged
guides whilst being fed to the machine) the necessary holes are punched through

page_text: them.
Also there are or may be severing tools arranged to trim or sever at
the same time those portions of the hinge plates corresponding to the longitudinal
edges of the metal strip from which they are being severed.
Openings are provided through which the blanks can fall on to endless travelling
hands or conveyors of any suitable construction.
As will be evident apparatus for the purposes of my invention may be variously
constructed and hinge plate blanks of many different forms may be produced
according thereto,
In a given pair or set of holders variously arranged sets of severing and punching
tools may be employed, according to requirement.
בד
WF. LLOYD WISE,
46. Lincoln's Inn Fields. London, W.C.,
Chartered Patent Agent.
Improvements in the Manufacture of Hinges, and Apparatus for the
purpose.
I, JACK SHERIDAN COWTER, of 118, Fenchurch Street, in the City of London,
Manufacturer, 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 the rapid and economical production of hinge
blanks from strips of metal plate. A hinge of the kind to which my invention
has reference comprises two plates each perforated for screws (the holes being
usually also countersunk) and each having one of its edges so cut as to form a
projection or projections which being subsequently bent to a tubular form receives
the pin whereby the two plates are jointed together to constitute a hinge.
I form at one operation from a strip of metal plate the two plates for a hinge,
(or sometimes, one of them only) perforated and ready to have the holes there-
through countersunk (if required) and the projections suitably bent to receive
the hinge pin.
For the purposes of my invention two sets of tools (hereinafter called severing
tools) are secured each set within a suitable case frame or holder (hereinafter
called a holder) means are provided for actuating one or both of the holders by
hydraulic power or otherwise, and conveyors are so arranged as to carry away
the pieces of metal severed from the strip.
The number and arrangement of the severing tools depend upon the sizes and
shapes of the hinge plate blanks to be produced. The screw holes through the
blanks are formed by punches whose number and arrangement depend on the
number and positions of the holes to be formed through the blanks for the screws
to be used for fastening the hinges in place for use.
Referring to the accompanying illustrative drawings.
Fig. shows in perspective one example of a hinge of the kind to the manu-
facture of which my invention has reference, but such hinges may obviously have
a greater or smaller number. of hinge-pin surrounding parts s..
Fig. 2 shows apparatus for making such hinges according to my invention,
the view being a vertical longitudinal section on the line A A of Fig. 3 and
Fig. 3 shows a vertical transverse section on the line B, B of Fig. 2.

page_text: Figs. 6, 7 and S are detail views hereinafter referred to.
The
In the example illustrated there is, by set screws a or equivalent means; secured
in proper relative position in the lower holder b a straight severing tool c.
set screws pass through slots in the tool c, and adjusting screws.e are
provided whereby upon releasing the screws the tool c can be adjusted and
finally locked in position by screwing hard down the screws and screwing
up the lock nuts f. A set of severing tools of two different lengths is
also secured in proper relative position in the lower holder by adjusting
and locking screws h, bearing piece and adjusting and locking screws 1.
These severing tools c and g are adapted in conjunction with a reversely
arranged set of similar severing tools m and n fixed, by set screws in the upper
holder 2. to divide a strip of metal plate 7 transversely in two places, namely,
in a straight line at one part of the length of the strip, and between that part
and the far end of the strip or plate g in a direction that will give to the juxta-
posed portions of the plate when divided a rectangularly toothed formation such
that a tooth-like parts, of the one piece of plate or blank t after being bent to
tubular form to receive a hinge pin (Fig. 1), will be suitable to enter between
similarly bent tooth like portions of the other piece of plate or blank (Figs.
7 and 8) and the two can he then connected to form a hinge by threading a
pin through the lugs or eyes formed by their bent tooth like parts & and r.
The bodies of the severing tools g in the lower holder bare formed with slots or
openings in positions corresponding to those of the holes it is required to make
through the hinge plates, whilst in the upper holder there are secured, as by
screwing, a set of puuches y correspondingly arranged, so that at the same time
the two pieces of plate or blanks and to form a hinge are severed from the
strip of plate (which is guided by suitably arranged guides 1, 1ª secured by
screws 2 to the lower holder b, whilst being fed to the machine) the necessary
holes in that part of the plate which is to form the two blanks to be next
severed are punched.
"
4, 4 are rods or pins fixed relatively to the upper holder p (which in the example
is movable) and working loosely through holes 5 therein, so that if the severed
piece of plate or blank and the end of the strip of plate rise when the upper
holder and the punches rise they come in contact with the ends of the fixed rods
or pins 4 and the continued upward movement of the upper holder » draws the
punches clear of the end of the strip of plate and frees both it and the severed
piece of plate or blank . The guide is provided with a pin which when
pulled forward releases a spring pressed trigger 7 carried by and working in
said guide. When this trigger is released the end of it projects into the
path of a strip of metal plate fed into the machine: this projecting end is inclined
on its upper surface so that upon the descent of the upper holder one edge
of the tool m presses on such inclined upper surface and forces the trigger into
the guide against the action of its spring whereupon the pin is forced by
a spring S to slide inwardly and project in the path of a projection 9 on the
trigger 7 and hold such trigger in its inoperative attitude until it is again released.
Also there are or may be as in the example under notice severing tools 10,
secured by screws 11 to the upper holder p, arranged to trim or sever at the
same time those portions 14 of the hinge plates and corresponding to the
longitudinal edges of the metal strip from which they are being severed.
Openings 15, 15ª are provided through which the blanks and can fall on
to endless travelling bands or conveyors of any suitable construction, not shown
on the drawings. The action of the apparatus is as follows:-If the end of the
strip of metal plate from which the blanks are to be severed is not suitably formed
the pin 6 of the guide 1 is pulled forward thereby allowing the end of the trigger 7
to project from the guide as before described, the strip of metal plate is then
pressed aganst a preliminary guide 16, and pushed forward until its unsuitably
formed end comes in contact with the projecting end of the trigger 7, the upper
holder is then caused to descend and its severing tools n in conjunction with the

page_text: tools g of the fixed lower holder-b severs the end of the plate so as to give to
it a rectangularly toothed formation as shewn in Fig. 6 at the same time the
punches punch the holes 3 and the ends of the tool m forces into inoperative
position the trigger 7: the continued working of the actuating means lifts the
upper holder, the end of the metal strip if it rises with the punches comes in
contact with the fixed pins 4 and drops free, whereupon it is pushed
forward until its formed and punched end comes in contact with
an adjustable guide 17; the upper holder again descenils and severs
from the metal strip as before described, the perforated pieces of metal or blanks w
and (Figs. 7 and 8) which then fall through the openings 15, 15° respectively,
and punches holes in the juxtaposed end of the metal strip which will then
appear as shown in Fig. 6. Each time the upper holder rises the metal strip
as soon as it falls free from the punches is pushed forward and the operation
is repeated.
As will be evident apparatus for the purposes of my invention may be variously
constructed and arranged and hinge plate blanks of many different forms may
he produced according thereto.
In a given pair or set of holders variously arranged sets of severing and punching
tools may he employed, according to requirement, and the punching arrangements
may be otherwise modified.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
1. In the manufacture of hinges the simultaneous formation of two hinge
blanks from a suitable bar or strip of metal.
2. In the manufacture of hinges the simultaneous formation of two hinge blanks
with trimmed edges from a suitable bar or strip of metal.
3. In the manufacture of hinge blanks effecting at one operation the separation
from a bar or strip of metal of two hinge blanks, the trimming of their edges,
and the imparting to the end of the remaining portion of the bar or strip a
formation corresponding to that of one edge of one of the blanks of the succeeding
pair, substantially as hereinabove described.
4. In the manufacture of hinges the use in combination with appropriate
actuating means of an upper and a lower holder and severing tools arranged and
operating in such wise as at one operation to divide in two places a suitable
bar or strip of metal and thereby to produce two hinge blanks and to impart
to the end of the remaining portion of the said bar or strip a formation corre-
sponding to that of one edge of one of the hinge blanks of a succeeding pair sub-
stantially as described.
5. My improved apparatus substantially as described and shewn for the purpose
specified.
6. The manufacture of hinge blanks in the improved manner hereinabove
described.
Dated this 14th day of December 1899.
For the Applicant,
W. LLOYD WISE,
46, Lincoln's Inn Fields, London, W.C.,
Chartered Patent Agent.