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Патент USA US3052160

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Sept. 4, 1962
3,052,144
H. F. RUNGE
MATERIAL CUTTING APPARATUS
Filed May 4, 1959
M/VEA/I'df?
H F: RU/VGE'
5)’
Arron/wry
United States Patent 0
3,052,144
Patented Sept. 4, 1962
2
1
attached between a pair of plates 32 rotatably mounted on
the cylinder 21. A central portion 33 of the cylinder
21 between the ?anges 12 and 13 is provided with a
plurality of spaced peripheral teeth having a con?gura
tion ‘best illustrated in FIG. 2. A spring loaded pawl
3,052,144
MATERIAL ‘CUTTING APPARATUS
Heinz F. Runge, Broolr?eld, Ill., assignor to Western Elec
trie Company, Incorporated, New York, N.Y., a corpo
ration of New York
36 mounted on a pin ‘37 between the plates 32 engages
the teeth on the central portion 33 of the cylinder 21
Filed May 4', 195?, Ser. No. 810,749
5 Claims. (Cl. 83-123)
for rotating this cylinder counterclockwise (FIG. 2) when
the air cylinder 28 is actuated. A spring 40 secured to
the base 11 engages the teeth of the cylinder 21 to pre
This invention relates to material cutting apparatus. and
more particularly to devices for severing lengths of insulat
vent backward rotation thereof.
A second air cylinder 42 mounted on the base 11
operates a roller supported block 43 and a push rod 44
which is adapted to extend through apertures 48 and 49
a tubular metallic member or sleeve which is later
crimped to hold the ends of a pair of conductors therein. 15 in the ?anges 12 and 13, respectively, and to force a
ing tubing.
In the manufacture of a certain type of splicing sleeve,
a length of tubular insulating material is inserted into
length of tubing from the cylinder 21 through the aper
One of the problems of assembling the length of tubular
insulating material in the metallic sleeve has been the
ture 49 and into the tubular metallic sleeve 18 held by
an indexing table 53 of a well-known type. The index
ing
table 53 is operated in a well-known manner.
each length from a continuous supply and the inserting
A roller 55 having a peripheral groove 56 of sub
20
of the length into the sleeve.
stantially circular cross-section for receiving the tubing
One of the objects of this invention is to provide a novel
17 is rotatably mounted on the base 11 for cooperation
and improved material cutting apparatus.
with
the block 43. A ratchet mechanism 57 of a well
Another object of this invention is to provide a device
known type including teeth attached to the roller 55 and
for cutting lengths of tubular insulation from a supply
di?iculty of handling the lengths between the cutting of
and discharging these lengths from the device.
A further object of this invention is to provide a de
vice having a revolver-like cylinder which is actuated
to sever a length from a strip of material and to align the
severed length with an element for removing the severed
length from the cylinder.
25 engaged by a pivoted spring biased pawl on the base 111,
insures that this. roller can rotate in only one direction,
that is, the direction in which the tubing 17 is advanced.
During the advance stroke of the block 43, the tubing 17
is moved through an aperture 58 in the ?ange 12 and
30 into one of the bores 22 in alignment with the aperture
‘One embodiment of the present invention may include
a revolver-type cylinder having a plurality of longitudinal
bores adapted to receive an end of insulating tubing. The
end of the tubing is advanced into one of the bores in
58. During the return stroke of the block 43, the roller
55 is held stationary by the ratchet mechanism and the
block 43 slides to the left along the tubing 17. Because
of the con?guration of the groove 56, slippage takes place
the cylinder, whereupon the cylinder is rotated through 35 between the tubing >17 and the ‘block 43, rather than be
a short are. A portion of the device cooperates with the
cylinder to sever the length of tubing positioned in the
bore. During the advancement of the tubing into the
‘bore, a push rod engages a previously severed length of
tubing in another bore in the cylinder and forces it into 40
a metallic sleeve.
tween the tubing and the roller 55.
This prevents a
withdrawal of the tubing 17 from the bore 22 in the cylin
der 21.
In operation of the device, the air cylinder 42 is actuated
to advance the block 43 and the push rod 44. Frictional
engagement of the block 43 with the tubing 17 advances
the tubing until its leading end extends through a bore 22
in the cylinder 21 and engages the ?ange 13. At this
Other objects and advantages of the invention will be
come apparent when the following detailed description
the insulation is stopped by its engagement with the
is read in conjunction with the appended drawings, in ~15 point
?ange :13 and the block 43 continues to move until it en
which:
gages the ?ange 12, at which point the end of the push rod
FIG. 1 is a fragmentary front view of a device embody
44 is adjacent to the sleeve .18. The ‘air cylinder 42 is
ing the principles of the invention and illustrating the
then actuated to withdraw the block ‘43 and the push rod
general construction of the device;
44. During this return stroke the ratchet mechanism pre
' FIG. 2 is a fragmentary sectional view taken on line
2—2 of FIG. 1 showing the cross-sectional con?guration 50 vents rotation of the roller ‘55 in order that the tubing ‘17
will not be withdrawn from the bore 22.
of a revolver-type cylinder of the device and also show
The air cylinder 28 is then actuated to rotate the plates
ing the mechanism by which the cylinder is actuated;
32 on the cylinder 21 in a counterclockwise direction
and
(FIG. 2). During this movement the pawl 36, engaging
FIG. 3 is a cross-sectional view taken on line 3-—3 of
55 a tooth on the central portion 33 of the cylinder 21, causes
‘FIG. 1 illustrating the manner in ‘which the insulating tub
the cylinder to rotate 45°. With this movement, the
ing is held between a roller and a movable block for
?ange 12 and the cylinder 21 cooperate to sever from the
advancement.
tubing :17 a length of tubing equal to the length of the
Referring now in detail to the drawings, a base 11 hav
ing a pair of spaced, vertically extending ?anges 12 and 60 bore 22. At the end of the movement of the cylinder 21,
the severed length of tubing is in alignment with the push
13 is shown supporting a reel 116 carrying a continuous
rod 44. When the air cylinder 42 is again operated, the
supply of tubing 17 of an insulating material. The tub
push rod 44 will force this length of tubing through the
ing 17 is to be cut into short lengths and inserted into
metallic sleeves 18 which will ultimately be used as splic
aperture 49 and into the sleeve 18.
Other sleeves .18 are advanced one at a time into work
ing sleeves.
65
position and the above procedure is repeated.
A shaft 20 (FIG. 2) rotatably supports a revolver-type
‘It is to be understood that the above-described ar
cylinder 21 positioned between the ?anges #12 and 13 and
rangements are simply illustrative of the application of
having a plurality of longitudinal bores 22 equidistantly
the principles of this invention. Numerous other arr-ange
spaced radially from the axis of rotation of the shaft 20.
‘Each bore is of a size adapted to receive the tubing 17.
70 ments may be readily devised by those skilled in the art
which will embody the principles of the invention and
An air cylinder 28 secured between the ?anges 12 and
fall within the spirit and scope thereof.
13 is provided with a piston rod 30 which is pivotally
3,052,144
3
What is claimed is:
'
4
axially with the bores in said cylinder in succession, said
one ?ange having another aperture therethrough axially
aligned with a tubing discharge aperture in the other
?ange and arranged to be aligned axially with the bores in
1. A device for cutting lengths of tubing which com
prises, a pair of spaced ?anges, a cylinder rotatably mount
ed between said ?anges with the ends of said cylinder in
abutting engagement with said ?anges, said cylinder hav
said cylinder in succession, a reciprocating member mount
ing a plurality of axial bores therethrough equidistantly
ed for movement vbetween an advanced and a retracted
spaced from the axis of rotation of said cylinder for re
ment between an advanced and a retracted position, a
position, a roller adjacent said reciprocating member in
cluding a pair of spaced apart peripheral ?anges for re
ceiving tubing therebetween in engagement with said
roller, said roller being operative to hold tubing in en
gagement with said reciprocating member as said recipro~
cating member moves to its advanced position whereby
said reciprocating member advances tubing through said
feed aperture into an aligned axial bore in said cylinder
15 and against said other ?ange, means for preventing rota
guide member for holding tubing in engagement with said
tion of said roller as said reciprocating member moves to
ceiving tubing, one of said ?anges having a tubing feed
aperture therethrough arranged to be aligned axially with
the bores in said cylinder in succession, said one ?ange
having another aperture therethrough axially aligned with
a tubing discharge aperture in the other ?ange and ar
ranged to be aligned axially with the bores in said cylinder
in succession, a reciprocating member mounted 'for move
reciprocating member as said reciprocating member moves
to its ‘advanced position whereby said reciprocating mem
ber advances tubing through said feed aperture into an
its retracted position whereby said roller prevents retrac
tion of the tubing by said reciprocating member, a pair of
spaced plates rotatably mounted on said cylinder, a ratchet
aligned axial bore in said cylinder and against said other 20 on said cylinder between said spaced plates, a spring
?ange, means for preventing retraction of the tubing when
biased pawl pivotally mounted between said plates and
said reciprocating member moves to its retracted position,
engaged with said ratchet, a ram pivotally mounted be
tween said ?anges and pivotally connected to said spaced
and said one ?ange cooperate to sever a length of tubing
plates vfor rotating said plates and said cylinder in one
advanced into said cylinder by said reciprocating member, 25 direction whereby said cylinder and said one ?ange co
and a push rod on said reciprocating member in axial
operate to sever a length of tubing advanced into said
alignment with the aligned apertures in said ?anges for
cylinder by said reciprocating member, means for pre
ejecting a cut length of tubing through the discharge aper
venting rotation of said cylinder in the reverse direction,
ture in said other ?ange from a bore in said cylinder
and a push rod on said reciprocating member in axial
aligned therewith simultaneously upon each feeding of a 30 alignment with the aligned apertures in said ?anges for
length of tubing through said feed aperture by said re
ejecting a cut length of tubing through the discharge
ciprocating member.
aperture in said other ?ange from a bore in said cylinder
2. A device for cutting lengths of tubing which com
aligned therewith simultaneously upon each feeding of a
prises, a pair of spaced ?anges, a cylinder rotatably mount
length of tubing through said feed aperture by said re
ed between said ?anges with the ends of said cylinder in 35 ciprocating member.
abutting engagement with said ?anges, said cylinder hav
4. In a device for cutting tubing to predetermined
ing a plurality of axial bores therethrough equidistantly
lengths and including a tubing feed means and an ejector
spaced from the axis of rotation of said cylinder for re
means for ejecting cut lengths of tubing from the device,
ceiving tubing, one of said ?anges having a tubing feed
the improvement which comprises, a pair of spaced ?anges,
aperture therethrough arranged to be aligned axially with 40 a cylinder rotatably mounted between said ?anges with
the bores in said cylinder in succession, said one ?ange
the ends of said cylinder in abutting engagement with
having another aperture therethrough axially aligned with
said ?anges, said cylinder having a plurality of axial bores
a tubing discharge aperture in the other ?ange and ar
therethrough equidistantly spaced ‘from the axis of rota
ranged axially with the bores in said cylinder in succession,
tion of said cylinder for receiving tubing, one of said
a reciprocating member mounted vfor movement between 45 ?anges having a tubing feed aperture therethrough ar
means for rotating said cylinder whereby said cylinder
an advanced and a retracted position, a roller adjacent
said reciprocating member including a pair of spaced
apart peripheral flanges for receiving tubing therebetween
in engagement with said roller, said roller being operative
ranged to be aligned axially with the bores in said cylinder
in succession, said one ?ange having another aperture
therethrough for receiving the ejector means and axially
aligned with a tubing discharge aperture in the other
to hold tubing in engagement with said reciprocating mem 50 ?ange, the axially aligned apertures in said ?anges being
ber as said reciprocating member moves to its advanced
position whereby said reciprocating member advances
tubing through said feed aperture into an aligned axial
arranged to be aligned axially with the bores in said cylin
der in succession, a pair of spaced plates rotatably mount
ed on said cylinder, a ratchet on said cylinder between
bore in said cylinder and against said other ?ange, means
said spaced plates, a spring biased pawl pivotally mounted
for preventing rotation of said roller as said reciprocating 55 between said plates and engaged with said ratchet, a ram
member moves to its retracted position whereby said roller
pivotally mounted between said ?anges and pivotally
prevents retraction of the tubing by said reciprocating
member, means for rotating said cylinder whereby said
connected to said spaced plates ‘for rotating said plates
and said cylinder in one direction whereby said cylinder
cylinder and said one ?ange cooperate to sever a length
and said one ?ange cooperate to sever a length of tubing
of tubing advanced into said cylinder by said reciprocating 60 advanced into said cylinder by the feed means, and means
member, and a push rod on said reciprocating member in
for preventing rotation of said cylinder in the reverse
axial alignment with the aligned apertures in said ?anges
direction.
for ejecting a cut length of tubing through the discharge
5. In a device for cutting tubing into predetermined
aperture in said other ?ange from a bore in said cylinder
lengths and including a rotatable cylinder having a plu
aligned therewith simultaneously upon each ‘feeding of a 65 rality of axial bores therethrough equidistantly spaced
length of tubing through said teed aperture by said re
from the axis of rotation of said cylinder for receiving
ciprocating member.
tubing, the improvement which comprises, a reciprocat
3. A device for cutting lengths of tubing which com
ing member mounted for movement between an advanced
prises, a pair of spaced ?anges, a cylinder rotatably
and a retracted position, a roller adjacent said recipro
mounted between said ?anges with the ends of said 70 cating member including a pair of spaced apart periph
cylinder in abutting engagement with said ?anges, said
eral ?anges for receiving tubing therebetween in engage
cylinder having a plurality of axial ‘bores therethrough
ment with said roller, said roller being operative to hold
equidistantly spaced from the axis of rotation of said
tubing in engagement with said reciprocating member as
cylinder for receiving tubing, one of said ?anges having
said reciprocating member moves to its advanced posi
a tubing feed aperture therethrough arranged to be aligned 75 tion whereby said reciprocating member advances tubing
3,052,144
into an axial bore in the cylinder means for preventing
rotation of said roller as said reciprocating member moves
to its retracted position whereby said roller prevents re
traction of the tubing by said reciprocating member, and
a push rod on said reciprocating member arranged to be 5
aligned axially With the bores in the cylinder in succes
sion for ejecting a cut length of tubing from a bore in the
cylinder aligned therewith simultaneously upon each feed
ing of a length of tubing by said reciprocating member.
References Cited in the ?le of this patent
UNITED STATES PATENTS
749,415
771,752
2,746,128
2,779,038
2,844,979
Winnersten __________ __ Jan. 12,
Statford ______________ __ Oct. 4,
Barron _______________ __ May 22,
MacBlane ___________ __ Jan. 29,
1904
1904
1956
1957
Schiller ______________ __ July 29, 1958
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