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Патент USA US3088356

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May 7, 1963
3,088,346
D. c. FRANCIA
maunmc DEVICE FOR DRY WALL CORNER BEAD
Filed Nov. 14, 1960
1a»a
INVENTOR.
DOMINIC C. FRANCIA
BY 016,128- 8.
Fig. 3
ATTORNEY
3,988,346
,
United States Patent 0 " 1C6
fl.
3,088,346
BENDING DEVICE FOR DRY WALL
CORNER BEA!)
Dominic C. Fraucia, 42 Smith St., Port Chester, N.Y.
Filed Nov. 14, 1960, Ser. No. 69,161
6 Claims. (Cl. 81-15)
Patented May 7, 1963
2
hinged plate 30 while the other threaded end accom
modates a wing nut 38. Thus, it should be apparent that
by screwing and unscrewing wing nut 38 on the threaded
portion of eye bolt 36 the plate strip 28 pivots by means
of hinged plate 30 and a variation of the obtuse angle
of pivotable plate strip 28 is achieved.
The operation of my bending device is a follows: The
‘angle of bend for a corner head is determined ?rst by
The present invention relates to a bending device for
adjusting the pivotable plate strip 28 to the correct angular
corner bead of the type used in dry wall constructions.
In addition, the present bending ‘device may be used for 10 position. A right-angled corner bead B is thereafter in
serted on the device by wedging an edge thereof between
opening up the angle of any ‘angular strip of material so
the
plate strip 28 and the bent strip 34. The bead then
that the resultant con?guration is reproducible and uni
appears as in full lines in FIG. 4. Then the handle 16
form along its entire length. It is necessary many times
of the arm 10 is grasped and rotated in a clockwise direc
to place corner beads on corners or edges where the angle
is greater than 90”, thus necessitating opening up of the 15 tion towards the handle 18 of the arm 12 until the arm
10 reaches the dotted line position shown in FIG. 1. When
angle of the corner head.
this is accomplished the metal strip 24- of the press bar
It is an object of the present device to provide a bend
22 engages and bends a part B’ of the corner bead B
ing device for strips of corner bead which is portable,
so that the bead assumes the form illustrated in dotted
easy to operate and simple to adjust for various angled
lines in FIG. 4 and the angle of the corner bead is “opened
corner beads.
up.” Thus, the metal strip 24- engages the part B’ of the
It is a further object of the present invention to pro
vide a sturdy, one-operation bending device construction
corner bead B and bends the same to the con?guration
that will stand up under hard usage, and yet is relatively
simple and inexpensive to manufacture.
will bend ‘open a large section of corner head. The head
of a bending device which is reliably effective for the
tion and bending operations performed on one section at
desired by means of a single bending operation which
Another object of the present invention is the provision 25 may thereafter be slid through the device section by sec
purposes intended.
The above and other features, objects and advantages
of the present invention will be fully understood from
the following description considered in connection with
the accompanying illustrative drawings.
FIG. 1 is a side elevation of my bending device con
a time until the entire corner bead is opened up to the
desired angle, and the bead may then be custom-?tted to
the particular corner or edge that it was altered for.
While I have shown and described the preferred em
bodiment of my invention, it will be understood that the
latter may be embodied otherwise than as herein spe
ci?cally illustrated or described and that in the illustrated
embodiment certain changes in the details of construction
FIG. 2 is a top plan view of the device illustrated in
and in the arrangement of parts may be made without
35
FIG. 1 having part thereof broken away for purposes
departing from the underlying idea or principle of the
of clarity.
invention within the scope of the appended claims.
Fig. 3 is front elevation and perspective view respec
What I claim is:
tively of a typical dry wall corner bead element.
1. A bending device of the type suitable for bending
FIG. 4 is an enlarged side elevation view of certain de
40 an L-shaped strip of material comprising a pair of arms
tails of my invention.
provided with handles, hinge means pivotally connecting
Refering to the drawings in particular, the bending
said arms, an elongated plate pivotally connected to one
constructed
in
accord
device'for dry wall corner bead
of said arms and psitioned at an obtuse angle relative
ance with the teachings of my invention comprises a
pair of arms 10 and 12 being hinged together at 14-. 45 thereto, means connected to said plate for adjusting the
angle thereof, said plate including clamping means to
The arms 10 and 12 are elongated for purposes of lever
accommodate an L-shaped strip of material, and press
age and terminate at their free ends in handles 16 and
means secured to the other of said arms whereby when
18 respectively. Arm 12 is provided with a cross piece
said arms are pivoted towards each other the press means
20, while the arm 19 has an elongated press bar 22'.
It should be noted that the bending device may be con 50 engages said L-shaped strip and bends the same to sub
stantially the identical predetermined obtuse angle shape
structed of wood, metal, plastic or any other suitable ma
formed by said elongated plate and the top surface of said
terial. It is preferable, however, that press bar 22 be
one arm.
provided with a hard metal strip 24 which constitutes the
2. A bending device of the type suitable for bending
work surface of the press bar 22 that engages and bends
the corner bead. Seated on cross piece 20 of arm 12 is 55 an L-shaped strip of material comprising a pair of arms
provided with handles, hinge means pivotally connecting
preferably an elongated strip of hardened material 26
said arms, a first elongated plate located on one of said
against which one leg of the angled ‘corner head is bent
arms substantially perpendicular to the handle on said
into engagement by the metal strip 24 of the press bar
one arm, a second elongated plate .pivotally connected
22. Positioned angularly with respect to arm 12 is a
pivotable plate strip 28 having a hinged plate 30 which 60 at an obtuse angle relative to said ?rst elongated plate,
means connected to said second plate for adjusting the
is ?xed to arm 12 but permits the strip to pivot in a plane
angle thereof, said second plate including clamping means
substantially at right angles to the plane of said cross
to accommodate an L-shape strip of material, and press
piece 20. It should be noted that at all times the pivotable
means secured to the other of said arms whereby when
plate strip 28 forms an obtuse angle with the arm 12.
The edge of the plate strip 28 which is remote from the 65 said arms are pivoted towards each other the press means
engages said L-shaped strip and substantially bends the
hinged plate 30 may be bent at 32 to a form clearly seen
same to a predetermined obtuse angle shape formed by
in FIG. 4. An additional bent strip 34 is doubled around
structed in accordance with the .teachings of my invention.
said ?rst and second elongated plates.
the bent edge 32 of the pivotable plate strip 28 (see
3. A bending device of the type suitable for bending
FIG. 4).
A suitable means for adjusting the angular relation 70 an L-shaped strip of material comprising a pair of arms
provided with handles, hinge means pivotally connecting
ship of plate strip 28 relative to arm 12 takes the form
of an eyebolt 36 which is connected at one end to the
said arms, an elongated plate hinged to one of said arms
3,088,346
'
3
and pivotally positioned at an obtuse angle relative there
to, means connected to said plate for adjusting the angle
thereof, said plate including a clamping means to accom:
modate an L-‘sh‘aped strip of material, and press means
secured to the other of said arms and having a metallic
engaging surface whereby when said arms are pivoted
towards each other the metallic surface of the press means
engages said L-shaped strip and bends the same to sub
stantially the identical predetermined obtuse angle shape
formed by said elongated plate and the top surface of said 10
one arm.
' 4. A bending device of the type suitable for bending
an L-shaped strip of material comprising a pair of arms
provided with handles, hinge means pivotally connecting
obtuse angle shape formed by said elongated plate and
the top surface of said one arm.
5. A bending device for right-angled dry wall corner
bead comprising a pair of elongated arms, one of said
arms being provided with a press means, hinge means
pivotally connecting said arms to make the same co-exten
sive, a plate on the other of said arms positioned at an
obtuse angle relative thereto, adjusting means for chang
ing the angle of said plate, said plate including clamping
means ,in the form of two inter?tting bent strips for hold
ing one part of said ‘corner head while the other part
is engaged by said press means whereby when said arms
are pivoted toward each other the press means engages
said right~angled corner bead to bend the same to sub
said arms, an elongated plate on one of said arms posi 15
stantially the identical predetermined obtuse angle shape
tioned at an obtuse angle relative thereto, one of said arms
formed’ by said elongated plate and the top surface of
having a groove at the end thereof remote from said
said one arm.
handle, means for adjusting the angle of said plate in
6. A bending device as set forth in claim 1 further com
cludinga threaded bolt secured at one end- to said elon
gated plate and positioned in said :groove, and a screw 20 prisinga hardened surface on said press means for en
gaging a portion of said L-shaped strip.
connecting nut at the other end of said bolt for ad
justing said angle of the plate, said plate including clamp
ing means to accommodate an L-shaped strip of ma
terial, and press means secured to the other of said arms
whereby when said ‘arms are pivoted towards each'other 25
the press means engages said L-shaped strip and bends
the same to substantially the identical predetermined
References Cited in the ?le of this patent
UNITED STATES PATENTS
630,387
1,448,567
2,572,738
'Maxwell ____________ __ Aug. 8, 1899
Muller _____________ __ Mar. 13, 1923
Lovinggood ________ __.__ Oct. 23, 1951
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