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Патент USA US2403916

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July 16, 1946.
,
R_ o, FERGUSQN
‘ 2,403,916
ALIGNMENT HOLDER FOR> DIES
Filed Feb. 2l, 1945
2. Sheets-Sheet 1
75
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July 16, 1.946.
R. o. FERGUSON
.
. 2,403,916
ALIGNMENT HOLDER FOR DIES
Filed Feb. 2l, 1945
2. Sheets-Sheet 2
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//////
Patented July 16, 1946
2,403,916
UNITED STATES PATENT OFFICE
2,403,916
ALIGNMENT HOLDER FOR DIES
Robert O. Ferguson, Bristol, Tenn., assignor to
Bristol Steel & Iron Works, Inc., Bristol, Va.
Tenn., a corporation of Virginia
Application February 21, 1945, Serial No. 579,032
6 Claims.
(Cl. lOl-28)
l
2
.
This invention relates to a device for holding
Figure 12 is a transverse sectional view taken
a stamp, die or like instrument in proper posi
on the line |2-I2 of Figure 10.
Figure 13 is a side elevational view of a third
tion. Means are provided for retaining the die
form of my invention.
in proper position Within the holder after the die
Figure 14 is a longitudinal sectional View of the
has been struck by a hammer or like instrument
device shown in Figure 13 with the die shown in
in order to be in position for a new operation,
full lines.
i. e. again striking the die with a hammer.
Figure l5 is a bottom plan View of the die'and
An object of the invention therefore is to pro
holder shown in Figures 13 and 14.
vide a stamp or die holder which will always
Referring to Figures 1 to 8, which disclose one
maintain the stamp or die in proper position 10
embodiment of the invention, numeral l indicates
within the holder.
the holder which may be conveniently of square
Another object of the invention is to provide
cross section. One of the sides 4 of the `holder
means whereby the die is always positioned per
is provided with an opening slot 5 which extends
pendicular to the work.
A further object of the invention is to provide 15 the entire length thereof. The holder has a
squared opening extending longitudinally of the
a die holder with resilient means for holding the
holder for the reception of a die to be described
die against one side of the holder.
hereinafter, and the slot 5 communicates with the
An additional object of the invention is to pro
hollow interior.
_
vide a die holder which prevents the die from
moving downwardly too great a distance within 20 Extending from one side face l1 of the holder
are headed screws 66 and 15. These screws have
the holder.
cylindrical extensions 22 and 23 respectively on
A further object of the invention is to pro
their ends, and such extensions, when the screws
vide a device of this class which is cheap to con
are in position, lie within the upper and lower
struct, which requires no repairs and which is a
convenient holder for the die whether it is in use 25 portions of the slot 5. The numeral 8 indicates
or otherwise.
Other objects will appear hereinafter from the
specification.
`
In the drawings:
a spring of bowed shape. This spring is pref
erably flat on its sides. A wire spring may be
used in place of a flat spring. One end of the
spring 8 is in the shape of an eye in order to sub
Figure 1 illustrates a side elevation of one em 30 stantially completely surround the cylindrical
portion 22, The opposite end l0 is of U-shape,
bodiment of my invention.
and the free end permits the spring to become
Figure 2 is a side elevation of the form shown
almost iiat when the die is forced into place.
in Figure l but viewed at right angles thereto.
As indicated in Figure 3, the flat inner side of
Figure 3 is a longitudinal vertical section of
the die holder disclosing the die within said 85 the spring bears against the die and maintains it
in stationary position. This will prevent the die
holder in full lines.
from falling out should the holder for any reason
Figure 4 is a top plan view of the die shown
be inverted.
‘ _
in Figures 1 to 3.
It will be appreciated that the loop or U-shaped
Figure 5 is a bottom plan view of the die shown
40
»
Figure 6 is a transverse sectional view taken
on the line 6_6 of Figure 3.
Figure '7 is a transverse sectional view taken
on the line 7*-1 of Figure 3.
Figure 8- is a perspective view of certain of the 45
in Figures 1 to 3.
portion l0 of the spring permits the springto
slide with reference to the cylindrical extension
23 while still retaining the spring in position for
all conditions of use, and whether the die is with
in the holder or whether it has been removed for
the insertion of another die.
As indicated in Figure 4 the opening for the
parts including the spring and holding means
reception of the die is preferably square in cross
therefor shown in the other ñgures.
section, i. e. at the top of the die. The sides of
Figure 9 is a side elevation of another em
this opening continue the same from the top to
bodiment of my invention.
"
50 the bottom of the holder with the exception of
Figure 10 is a, longitudinal sectional View of
the extreme end. The extreme lower 'end of the
the device shown in Figure 9 with the die shown
opening is provided with two webs I5 and I6, as
in full lines.
shown particularly in Figure 7. These Webs are
Figure 11 is a transverse sectional view taken
semi-circular on their exposed edges, Vand they
on the line II-II of Figure 10‘.
55 form a stop for the die i9. In other words they
2,403,916
3
4
prevent the die from dropping out through the
netizable metal is provided with an open slot 52'
bottom of the opening, or driven out through the
bottom end of the die holder when the die is
extending lengthwise of the holder, The holder
has been magnetized so that the open ends 52a
and 52D form north and south poles, respectively.
In other words the entire holder forms a. magnet
the die from moving downwardly a suñîcient ex
which tends to prevent movement of the die 50
tent to impress on a workpiece the letter, nu
within the longitudinal recess 69 of the holder.
meral or insignia 2| when the top 20 of the die
In place of the die shown, any suitable stamp
is struck by a hammer or other tool. The die I9
type holder, or other tool may be used.
is provided with converging lower surfaces in ac
Instead of knurling two sides of the holder, as
cordance with the conventional shape of many of 10
indicated at 44 and 45 of Figure l1, only one of
the dies now being used. These converging sur
being hammered. They do not, however, prevent
these sides need be provided with a, knurled sur
face. The provision of only one knurled surface
will indicate to the user the exact position of the
faces permit limited downward movement of the Y
die but will prevent the die moving downwardly
any more than a short distance.
The holder shown in Figures l to 8 therefore, 15 holder, i. e. the position of the die in the holder
in order to prevent using a character or letter in
because of its ñat bottom surface, insures the acan upside down position, Assuming the die has
curate positioning of the die with regard to the
been placed in the holder in such -a position that
the character will be in upright position when the
angles thereto so that when the die is struck with 20 knurled face of the holder is held by the thumb
of the workman, the workman will know that as
a hammer the member 2 | will not strike the work
work, i. e. when the holder is placed on the work
piece it accurately positions the die I9 at right
long as the knurled surface is held in a position
directly in front of hirn the figure on the
knurled surface will be in proper position for im
pression and not in an upside down or sidewise
piece a glancing blow. The member 2| ‘will ac
cordingly make an even impression on the work
piece. The webs l5s |S insure against the die
being dropped out of the holder, and its spring
position.
The description and drawings having been fur
8 forms a resilient holding means for the die so
that after the same has been struck with a harn
mer it may be brought back to the position shown
nished for illustrative purposes only, the inven
in Figure 3 by merely pressing the bottom- of the
die holder against a flat surface.
The structure shown in Figures 9 to 12 is simi
lar to that shown in Figures 1 to 8, but in the
former the holder 30 is provided with a slot 3|
which does not extend the entire length of the
holder. In this form pins 31 and 38 extend across
the slot. The upper pin 31 forms a support for
the eye 35 of the spring 34, and the lower pin 38
forms a sliding support for the U-shaped end 35
of the spring. The holder has a iiat bottom por
tion 33 and a curved top portion 32.
The holder is also provided, as in the afore
mentioned figures, with a hollow squared interior
tion is to be construed in such manner as to in
:30 clude all embodiments within the terms of the
appended claims.
I claim:
1. A holder for a die or other similar tool,
comprising an elongated casing having a longi
tudinal passage for the entire length of the cas
ing for the reception of a die, an elongated Islot
extending through an outer wall of said casing
to said passage, said slot extending for at least a
major portion of the length of said casing, an
40 elongated spring, said spring having a bowed cen
which houses the die 39. The die 39 is provided
with a top portion 40 and an imprinting portion.
The sides of the holder 3D extending on opposite
sides of the slotted side are knurled as indicated
in 44 and 45. The bottom portion of the holder
is provided with webs 42 and 43 which limit the
tral portion and end portions, said slot having
parallel walls, securing means mounting one of
said portions on one side of the walls of said slot,
another of said portions being located to extend
into said longitudinal passage, said portions being
adapted to frictionally engage a side of a die
locked in said passage whereby to position said
die therein.
downward movement of the die in its holder.
2. A holder for a die or other similar tool, com
In Figures 13 and 14 the holder is indicated at 60 prising an elongated casing having a longitudi
50, the` slot at 52, the screws 53 and 54. These
nal passage for the entire length of the casing
screws are similar to the screws indicated at 66
for the reception of a die, an elongated slot ex
and 15 in Figure 8. A spring 85 is provided with
tending through an outer wall of said casing
an eye 55 which surrounds the screw 53, and its
to
said pas's'age, said slot extending for at least
opposite end 56 bears against the screw 54. The 55
a major portion of the length of said casing, an
sides located adjacent to the side provided with
slot 52 have notched-out portions indicated at
86. Only one of these is shown in Figure 13 in
side 5|, but it will be understood that said notches
are provided in each of the opposite sides.
60
The square sides of the holder and the notches
86 which may be forced down so Vas to straddle
elongated spring, said spring having a bowed
central portion and end portions, said slot hav
ing parallel walls, securing means mounting one
of said end portions on one side of the walls of
said slot, another of said end portions being lo
cated to extend into said longitudinal passage.
said portions being adapted to frictionally en
the work piece “X” (Figure 13) allow for mo-re
gage a side of a die locked in said passage where
accurate positioning of the die with regard to the
workpiece because the square sides of the holder 65 by to position said die therein, and one of said
portions of said spring being movable between
are properly positioned` by the notches engaging
said walls.
the work piece X, the holder thus by its squared
3. A holder for a die or other similar tool, com
interior accurately positioning the die whose
prising an elongated casing having a longitudi~
square sides engage the square interior of the
holder. The numeral 51 indicates the usual die 70 nal passage for the entire length of the casing
for the reception of a die, an elongated slot ex
having a head 58 and lower converging sides 59.
tending through an outer wall of said casing to
61 indicates the iiat bottom portion of the die.
said passage, said slot extending for at least a
In Figure 15 is shown a bottom plan View of
major portion of the length of said casing, an
still another form of the invention. In this figure
numeral 50’ is the holder. This holder of mag 75 elongated spring, said spring having a bowed
2,403,916
5
6
central portion and end portions, said slot hav
ing parallel walls, securing means mounting one
of said casing to said passage, said slot extend
ing for at least a major portion of the length of
said casing, an elongated spring, said spring hav
ing a bowed central portion and end portions,
said slot having parallel walls, securing means
`
of said end portions on one side of the walls of
said slot, another of said end portions being lo
cated to extend into said longitudinal passage,
said portions being adapted to friotionally en
gage a side of a die locked in said passage where
mounting one of said portions on one side of
the walls of said slot, another of said portions
being located to extend into said longitudinal
by to position said die therein, and one of said
passage, said portions being adapted to friction
portions of said spring being movable between
said walls, said spring having an eye and said 10 ally engage a side of a die locked in said pas
sage whereby to position said die therein, and
securing means extending through said eye.
4. A holder for a die or other similar tool, com
prising an elongated casing having a longitudi
nal passage for the entire length of the casing
for» the reception of a die, an elongated slot eX
tending through an outer casing wall of said
casing to said passage, said slot extending for
at least a major portion of the length of said
casing, an elongated spring, said Spring having a
bowed central portion and end portions, said slot 20
means partially extending across one of said
openings for restricting the movement of said
die in one direction when located in said pas
sage.
i
6. A holder for a die or other similar tool, coni
prising an elongated casing having a longitudi
nal passage for the entire length of the casing for
the reception of a die, an elongated slot extend
ing through an outer wall of said casing to said
passage, said slot extending for at least a major
having parallel walls, securing means mounting
portion of the length of said casing, an elongat
one of said end portions on one side of the walls
ed spring, said spring having a bowed central
of said slot, another of said end portions being
portion and end portions, said slot having paral
located to extend into said longitudinal passage,
said portions being adapted to frictionally en 25 lel walls. securing means mounting one of said
end portions on one side of the walls of said slot,
gage a side of a die locked in said passage where
another of said end portions being located to ex
by to position ‘said die therein, and one of said
tend into said longitudinal passage, said portions
` portions of said spring being movable between
being adapted to frictionally engage a side of a die
said walls, said spring securing means compris
30
locked in said passage whereby to position said die
ing pins extending across said slot at spaced
therein, and one of said portions of said spring
points and said spring having an eye at each of
being movable between said walls, said securing
its end portions, said pins extending through said
means comprising a plurality of spaced pins, one
eyes.
end portion of said spring having an eye through
5. A holder for a die or other similar tool, com
prising an elongated casing having a longitudi 35 which one of said pins extends and said other
spring end portion being adapted to slide on said
nal passage for the yentire length of the casing
other pin when said bowed portion is engaged by
for the reception of a die, the passage defining
openings at opposite ends of the casing, an
a die.
ROBERT O. FERGUSON. l
elongated slot extending through an outer wall
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