вход по аккаунту


Патент USA US2107396

код для вставки
Feb. s, 193s.
Filed Feb. 14, 1956
5 Sheets-Sheet l
circa cutting
«u mummmuacanm
l'nc?“ izkmn?Lr-Saïndlcaíof
Feb. s, 193s.
Q_ g, SCHOg-rz
Filed Feb. 14, 1936
2,107,396 '
3 Sheets-Sheet 2
.77719. É.
Feb. 8, v1938.
o. A. scHolTz
Filed Feb. 14, 1936
3 Sheets-Sheet 3
.o f
_Patented Feb. .8, 193s
. UNITED. -armies__PA'IîF. Nr ll.oi-‘rice
, out' A. schatz, waterloo', Iowa l
Application February 14, 193e, serials». 63,921 .
1o claims.
(ci. zee-z3)
My invention relates to improvements in shape
'cutting machines, and an object of my improvef
I ments is'to supply a machine suitable and _con
venient'for producing -by means of an oxyacet
ylene .torch or its equivalent> cuts through sheet
metal in thus producing a bounding contour of a
desired description to an object byslotting the
plate or other primary body operated upon.
opposite spaced bearings n _and z2 in» an alinea'
casing or housing 1 as a continuation thereof,
to receive a.l main power shaft 2 'whichis threaded
along most of its length. This shaft, as also a.
longitudinal fixed 8, are disposed be
tween the walls I. »Power producing means are»
l provided to rotate the shaft 2, such as an electric
or other motor I0, whose shaft carries a pair of
Another object of my improvements is to pro
differential sheaves II and I2 thereon, _carrying
vide coacting mechanisms in the machine, to
gether with an adjustable guiding -device, whereby alternately a 'driving belt vII! to one or the other "12o
differential sheaves I4 or I5 on a rotary shaft `It ' ’
straight line cuts' maybe made in a desired di
rection, or containing angles in the directions of ‘ which traverses a truncated conical housing 8 and ^
the cuts.
Another object of my improvements >is to in
clude other means adapted when certain elements
are properly related with each other to produce
its prolonged central cylindrical extension 9 in-a
ball bearing I1. 'The wider end of the housing
8 opens into the casing 1 heretofore mentioned,
the latter having a step-bearing to seat the inner
arcuate cuts, or true circular cuts through the - end of said shaft I6. Upon the shaft lI6 is slid
material, or also to sever the material along lines inglymounted a friction disk 2| non-rotatable
20y partly straight or arcuate in ‘any direction or when thereon, and having a hub embraced (see, also Fig.
including angles.
2) by the furcations 20 of an arm_35 and pivoted
upon said hub. 'I'he arm 35 is medially pivoted
Another object of my improvements is to asso
ciate certain elements of‘the machine releasably
with a power prime niover, vand in providing ex
tra elements to coact withvthe ñrst mentioned
elements and adapted to permit the machine to
be likewise actuated by manual means.
Another object of my improvements is to >so
adjustablyA mount the cutting device relatively to
on a fixed >stem 34, -and an operating crank 38 A
has oneend pivoted to the housing 8, traversing
an opening therein to project outwardly, the inner
extremity of the crank being ~shaped'with a cam
part 31 which engages the otherwise free end of
said arm 35.
A coiled compression spring I9 is ,
seated upon said shaft I6 and engaged between-
30 the machine as to cause it to lcut a plate not only . the end of the friction-disk hub and a
to produce a desired contour for'a production
but to produce a'beveled edge thereon.,
- device I8 fixed on the shaft I6.
stop- disk
Referring to said Fig.' 3, a circular friction disk
IL_have accomplished all of these objects by the j 26 _is'mounted on a sleeve 25 slidablyjnon-rotat
means and mechanisms in association, and' in ac
tual „ reduction to successful practice, which are
hereinafter described, lclaimed and illustrated in
Fig.f1 is a perspective
I fshape cutting machine.
ably seated upon Ysaid power shaft 2, andn theV sleeve '
25 has an annular bearing trough therearound
to admit an -endrof a iixed pin 21 on a screw 35
sleeve 28 mounted on’a short threaded shaft 24-_ v
whose _extremities are seated in opposite bearings
_view ' of my yimproved of the housing 1, with one end of
>the shaft pro
Fig. 2 isa side elevation of thejmachine with 1~ jecting and carrying a hand-wheel 30. A stud
with terminal index finger 29 is fixed on the sleeve
partsl removed, sectioned or -broken away.
28,‘and, as shown in Fig. 8, this stud and index
. Fig. 3 is a top plan‘of the machine withparts
sectioned or broken away. ' Fig. 4 is a side ele
29 are placed with the stud traversing an opening _
vation of the torch carrier.- Fig. 541s a section of
the intermediate gears, on the broken line 5--5
pf Fig. 2. Fig. 6 is a cross section of> the~ torch
operating means on the broken line 6-6 -of Fig.
(not shown)y in the housing 1, with the index
29 above the guide-plate 86 secured on the hous
ing 1, so that the index may point to any of grad 45
uations 88, near a table 81. l.
2. Fig. '7 is a section across the clamping half
»nuts on the line 1-1 of Fig; 2. Fig. 8 is a plan of
the line guide plate, and Fig. 9 is an enlargedcross
section of the clamping means connecting the
When the cam 31 engages the forked arm -35
shown in Fig. 2, the spring I8 is compressedv
with the disk 2I disengaged from the ldisk or
friction roller 26, and the shaft 2 not driven.
blowpipe adjustably to its supporting arm.
Y ` When the crank 38 is'swung back oppositely the
Referring to said Fig. 1,- the vmain frame of spring I8 reacts to reengage the disk 2| with the
>my machine has cross connected parallel forward roller 28, to rotate the shaft 2. -A reversing de
and rear-walls I, having an end bearing 2a', and vice- in` a box 1a may be operated by a crank
handle 1b, in reversing the motor I8 by means 55
well known, but not shown, in reversing the> ro
tation of the shaft 2. When the friction disks
are not in contact, the shaft 2 may be rotated by
use of a hand-wheel 3 I thereon. `It will be seen
that the speed of rotation of the shaft 2 may be
varied in a well known manner by using the,
hand-wheel 38 to _rotate its shaft 24 to shift the
varying according to which ones of the pairs of
gears on the shafts 44 and 45 are engaged. The
set of bevel gears above described is also shown
in Fig. 5 in cross section except the gear 43. `
_Also in Fig. 5 is a sectional view of the half-nut
device 68 and 6I indicated in part in Fig. 1.
Referring now _to said Fig. 6, there is mounted '
on the shaft 45 a worm thread 84 which meshes
screw-sleeve 28 to and fro on the shaft 2 when ' with the said worm wheel 83.
the friction disks are in contact.
A carriage 3 is traversed by' the shaft 2, the
latter shifting the carriage to and fro longitudi--l
n'ally when the reversing device is used to return
By this means '
the spindle shaft 15 is rotated together with the 10
torch 82 (see Fig. l) , the torch being on the arm
18 at an adjusted distance _from the shaft 15
is thus swung _to act upon a plate supported be
or housing mem
neath to fuse and cut through the plate in a
_the carriage. An elongated armproviding
an end circular arc or a complete circle in thus shap
ber 54, having a partition 54a
chamber 58, is mounted to swing upon the car
the desired portion- in part or all around,
slot connection 5 and 4 ing
riage 3 by a pin and
therewith and to project forwardly from the car
‘ riage.
A pair of half-nuts are mounted on the
shaft 2 in mesh therewith when the shaft is being
to shift the car
20 rotated by thepower motor I8
riage 2 andr‘its movable arm along the frameI
longitudinally. Whenl `it is desired to‘shift the
carriage t manually, the half-nuts may be thrown
out of mesh with the thread of the shaft 2 by
68 and other
25 use of the shaft 6I and rock-handle
Figs. v2 and '1 to be'
elements like those shown inThen
carriage 3
described specifically later.
with a desired radius of curvature and length»
As the torch `82 is supported hingedly in the
clamp 88 adjustably'relatively to the arm 18, it
may be adjusted inclinedly to cut the‘ plate with
a bevel edge of a desired angularity.
Referring to Fig. '1, a half nut assemblage as
shown in Fig. 2, and as indicated in said Figs. l
and 3 in part, may be u_sed in mesh with the
shaft 44 when the machine is driven by a prime-motor as at I8, but when it is desired to drive.
the machine manually, the nut halves 18 and 18a
are separated and out of mesh with the shaft
may be shifted by the use of a hand-wheel 33 44 by the following means. By means of -screws
(Fig. 3) mounted in the carriage 3 and having a 12, inwardly spaced, the facing gibs 1I are se 30
32 always meshing with the rack 8. t
cured to the wall ofthe carrier 56. These gibs
The arm 54 has a longitudinal rack 55 on its clamp vbetween them andetheir inner flanges a
circular plate or disk 84._ Outside the carrier 58
top engageable by a pinion. 58 having a hand
wheel 58 mounted on a carrier frame 56 mounted a_ hub 83 with a handle 82 has a short shaft 88‘
for movement longitudinally on said arm. As traversing' a bearing in the wall of the carrier
frame 56 has a bracketed and and the disk 64 is ilxed on its inner end. As
35 shown in Fig. 2, the
communicating chamb'er 13 thereon, also shown shown in Fig. 2, _the disk 84 has opposite eccen
in more detail in Fig. 6, and carrying a depending trically positioned arcuate slots 85` into which ex
tend pins 68 fixed on the abutted portions 81 or
tubular member 14.
As shown in Fig. 6, a worm gear 83 is mounted shanks of the half-nuts 18 and 18a. -When the
hub 63 is rockedin one direction ¿to unmesh the
in the chamber y13 and has a
15 traversing it and extending below it. As half-nuts 18 and 18a from the shaft 44, to per
shown in Fig. 4, a. bifurcated friction member 18 mit of manual rotation of said shaft when the
' in the member 14 frictionally embraces the shaft friction disks 2| and 28 are separated. and the
15 and has a socket part with a threaded screw first-mentioned half-nuts are unmeshed from the
it into contact with shaft 2, the hand-wheel 3| may be employed
45 11 engaging it fortothrusting
take up for vibration or jar for manual operation of the entire machine. As
the shaft to tend
of the shaft 15 which latter supports adjustably shown in Fig. 7, a handled wheel 83 with handle
a holder 18 for an oxyacetylene torch 82 or
63a maybe used to actuate the- half-nuts 18 and
other cutting or deiineating appliance. This 18a. The eccentric slots>85 and pins 88 therein
means includes a double socket clamp device thus cause the half-nuts to move to and from the
18-11,vwith clamping screws as at 18, one socket shaft 44, or in a like way to actuate the half-l
embracing the member 15 and the other remov
nuts indicated in Fig. 3 at 8|.
ably, slidably and adjustably clamping the parts
It will be seen that to cause the torch 82 to
cut in a straight. line through» a plate supported' 55
of an arm 18. This split arm
pair of lugs 88a beneath it, by either prime motor I8 or by man
clamping sleeve 88 which adjustably em
ual power, the hand-wheel' 38, when the friction
on a
braces the body of the torch 82
disks are engaged and driven by a -motor I8, or The arm- member 54 is longitudinally traversed ' when the shaft 2 is to be not rotated manually,
by rotary shafts 44 and 45. In the end chamf is used to position the annular disk 28 at a dis- '
ber 53 of said arm 54 the shaft 44 carries a tance radially from the shaft I8 sufiicient to
spaced pairV of spur gears 48 and 41 of different produce the required speed of rotation of the
diameters,_ and -the shaft v48 , carries slidably shaft 2. The half-nuts at 88--8| being engaged
thereon a sleeve 58 having ahandle 5I forked and with the shaft 2 the carriages 3. with the. arm
projectingïthrough a slot 52 in the chamber 83', l88 are moved in parallel with the. framell, and
loosely,v and the the torch is likewise carriedin a >direction psr
65 the fork embracing> the sleeve
sleevehaving the pair of. end pinions 48 and," allel with the frame. when
the friction «um '
thereon of different diameters to have them4 are disengaged, also the half-nuts at 88-'-8I dis
moved into mesh-~ alternately withthe gears' 48 engaged from the shaft 2, 'the like result of the
and 41. The ‘shaft 44 is driven as shownin Fig.> vtorch cutting in- a straight _line or parallel to 70
2 by a set of gears, one being a bevel gear 43 -the >frame I is achieved, by using the
nxed on said shaft 44 and in mesh with a bevel
gear 42 on a short shaft 4| which carries a bevel
'.I‘o cut the plate at an angle to the frame I.
gear 48 in mesh with another bevelgear 3_8 on the shaft 2 rotating by' either power or hand
the power shaft 2. When the handle 5I is shifted means, the miter gear 38 having a sliding‘nt on
tßted at a speed
75 either way, the shaft 45 is ro
the shaft 2 is rotated together with the gearing
- shown in Fig. 5 to rotate the shaft 44 at the
:same -speed as
all-~ these gears are of the same
size. The half-nuts ‘I0-_18a being meshed with
the shaft M, the carrier 58 is moved out along
the track 5I carrying the torch' 82l at an angle to
' its parallel course longitudinally relatlveto the
frame I. When the half-nutsï‘Iß-lßa are dis
said arm, said carriage .and the means for rotat
ing said shaft, for- propelling the burner'along
desired lines of use, and _means for varying the
speed of rotation of'said shaft.
In the combination device of said claim 2,
power-driven means, and a-'make and break con
engaged, the carrier 56 maybe likewise shifted
nection between said -power-driven means and#
along the arm 54 by use ofthe hand-wheel 58.
The arm 5I being mounted to swing on the mem'
said threaded shaft.
ber 3 by the pin or bolt connections 5 traveling
in the circular slot I, the arm‘ may be positioned
means operatively engaged between said> burner, Y
In a shape cutting machine, in combination, 10
support, a carriage movable vto and fro'
thereon, an arm member terminally bracketed on
to the member 3,v so that
direction Vof cut likewise dl
or to changethe direction
of cut from longitudinal direction to an oblique
direction relative . to the frame l.
To cause the torch 82 to perform arcuate or
circular cutting, and referring to Figs. 2 and 6,
the arm or lever 5| Vmay bey used to 'engage the ‘
gears 48 and 48, rotation being thus .imparted
from the shaft 44 to the shaft 45, worm gearing
84 and 83, shaft 15
and the torch 82 (see Fig.
1), thus `swinging the torch 82 arcuately or cir
said tool,
operated upon withuninterrupted changes o-f po
vcularly to cut in a plate in an arc or circle.
It will' be seen, that the ‘torch 82 may be ad
sition of thetool as adjusted,
angl to permit the torch
.togi e the plate a'beveled while cutting a plate
edge' of the required
therealong'an arm mounted on
i to> swing in
It is to be understood that mechanical equiv- „
be employed in any of the sub-com-»
binations. of elements of my invention, and that
the stunt».l are covered by my appended claims.
l. In a shaping machine ofthe character de-`
scribed, an elongated track, a carriage movable
and included in said
power means for variably changing the speed .
of rotation of the ñrst mentioned shaft.
6. In a shape- cutting machine, in combination,
gitudinally therealong, a carrier chamber along- ' at single
primermover, a single friction disk ro
side said arm, an adjusting gear-wheel mounted tated thereby, a, frictionroller engaging said disk 45
on said chamber and meshed with said rack to and movable
travel with the frame therealong, a casing on and
in communication
chamber, a rotatable.
spindle mounted inwith
a manually rotatable
carriage _and in mesh gear-wheel~ seated on the
with said rack, a threaded
produce a beveled 65
edge of a desired angle of -Obliquity.
7. In a shape cutting machine, in combina
, said arm having a rack ' at diii‘erent ' speeds,- a carriage' operatively en
therealong, a carrier chamber adjacent said arm
gaged with said shaft to move to and fro there
and adjustably movable therealong, a torch-burn- ' along, an arm mounted on said carriage to`swing
er, ìneans- for> movably supporting said burner in a plane, a tool supporter movable in one plane
removably and adjustably on said chamber, along said arm, a »threaded shaft mounted on said
arm for shifting said supporter» in one plane, 75
manually operable make and break means there
single speed changing gearing disassociably con
nected between said shafts, a cutting tool sup
for, a chamber mounted for to and iro move
ments along said arm, a second pair of mated
ported on said supporter adiustably for employ
ment indifferent planes, a guiding` tablet. an
index member movable'î thereover andK manually
operable means for shifting the index member
across the tablet and loosely engaged with the
separably assembled half-nuts mounted on said
speedïchanging gearing, for changing the speed
nuts and adapted to be shifted to place them in'
mesh with the thread of the arm shaft or out
chamber for -to and fro movements and having
interior threading to nt removably 'on the thread
of >said arm shaft, manually operable means
loosely connected to said last-mentioned half
of rotation of the first mentioned shaft.
„ v8. Qin a shape cutting machine, in. combina,
tion, .a basal support, a carriage movable to and
fro thereon, an arm member terminally brack
of mesh therewith, a tool device mounted mov
eted on the carriage swingably and for to and
fro- movements thereon, a tool mounted swing
ably on the arm member, adjustably tiltable, slid
ably adjustable relative thereto and for up and
down changes of position, means for releasably
mentioned half-nuts` and~ said frame shaft, a
manually operable gear mounted on said cham
ber engaging 'said rack for to, and fro transla
securing the toolin said adjusted positions, pow
er driven mechanism including devices mounted
mounted on said carriage forto and fro trans
lations of the carriage along said frame.
10. In a shaping` machine of the" character
ably on said chamber, operative connections
between said tool ldevice, said arm shaft, last
tions of the chamber along said arm, a rack on
the basalv frame' and a manually. operable gear
20 on said basal support, carriage and arm member
in disconnectible associated connections with described, a basal support having a“ fixed rack
extended therealong,'a carriage movably mount
said tool as adjusted,for moving the tool, where
by materials may be operated upon with un -ed on said support, a manually rotatable gear
interruptedV changes of position of the tool, as
wheel mounted on the carriage and- meshed with
adjusted, whether in lines straight, angular,
the teeth of said rack,4 an arm having one end
curvate, _or any combination thereof, a motor
for driving the power driven mechanism, an
positioned upon said carriage for rocking move
axially adjustable resiliently còntrolled‘friction
disk driven thereby, the power driven mechanism
ments thereon, and including-a rack therealong,
a carrier chamber adjacent said arm to move 30
longitudinally therealong, a gear-wheel mounted
mesh with the second -
including a rotatable power shaft, a friction
wheel moïted slidably thereonk non-rotatably
and norma y contacting with the friction-disk,
rack, a casing rigid with said chamber, communi
cating therewith andfhaving a spindle-bearing,
a threadëd counter-shaft adjacent to the power ' a spindle mounted in said bearing, meshed gear- `
shaft, manually operable means for rotating ing means in said chamber and casing for rotat 35,
the counter-shaft, the friction-wheel having a ing said spindle, braking means movably mounted
hub provided with _a circumferential groove. a on the casing for releasably engaging the spindle,
means mounted on said arm and carriage for
nut mounted on-the threaded part ofthe coun
ter-shaft and having a radial pin seated in said lshifting the said carrier chamber to and fro along 40
groove, an indicator finger on -said nut. and a
graduated scale traversed by said finger when
40 said nut and friction-wheel are shifted to and
„ fro radially across the friction-disk.
9. In a shape cutting machine, in combination,
a basal frame, a rptatablethreaded shaft mounted
upon said frame, means .for manually rotating
the arm, power means, a threaded shaft mounted
rotatably on- said basal support, said power means
being operatively engaged and associated with
said shaft to rotate it and at various speeds of
rotation,.said power-shaft being‘ releasably con 45`
nected to said carriage, a rotatable shaft mounted
longitudinally along said arm and seated in 'said .
chamber to shift the chamber to and fro along
movements along said frame, a pair of mated - said arm, clash-gearing onv_ said arm, a manuallyl
separably assembled half-nuts mounted on said
frame for to and fro movements and having
interior threading to ilt removably on the thread
controllable gearing pair intermediate the clash
«gearing to mate with the same alternately to
vary- the.. speed of rotation of the rotatable shaft
operable means loosely . on said arm, a cutting device, and lockably
50 of _ said shaft, manually
half-nuts and -adapted to be jointed members connected for relative adjust
shifted to place
mesh with said shaft, an armpivotally mounted
at one end on said carriage, a threaded shaft
rotatably mounted along said arm, operative con
nections between said threaded shafts including
ments between said spindle and said cutting
Без категории
Размер файла
767 Кб
Пожаловаться на содержимое документа