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Патент USA US2125585

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‘Aug. 2, 1938.
E. W, ROUGH
2,125,585
IRONING MACHINE
Filed Nov. 19, 1934 r
6 Sheets-Sheet l
INVEN,TOR
Eoucw
Aug. 2, ‘1938.
E. W. ROUCH
24
INVENTOR
min
1'
I
[ms-e577 h! EoucH
ATTORNEY
Aug. z, 1938.
2,125,585
E. W. ROUCH
IRONIING MACHINE
Filed Nov. 19, 1934
6 Sheets-Sheet 4
QWN.
m
\\
OWN.
. 0.3.
/
_____I
WNW
WW
INVENTOR
[VEEETZ' Weave/1
ATTORNEY
~Aug."2, 1938.
I
E. w. ROUCH
' IRONING
MACHINE
Filed Nov. 19, 1934
r,
2,125,585
‘
6 Sheets-Sheet 5
\‘ \ ‘
INVENTOR
Ems-e577‘ h! Eouc'h'
BY”
ATTORNEY
Patented _Aug'. 2', 1938
2,125,585
UNITED STATES“ PATENT OFFICE
2,125,585
IRONING MACHINE
Everett W. Rouch, Detroit, Micln, assignor to
Hydraulic Brake Company, Detroit, Micln, a
corporation of California
Application November 19, 1934', Serial N0. 753,756
5 Claims. (CI. 38-25)
This invention relates to ironing machines and
more particularly to ironing machines for do
mestic purposes.
Broadly the invention comprehends an ironing
6 machine including cooperative ironing elements
and a ?uid pressure system for actuating both
elements.
In the illustrated embodiment an ironing head
.is manually movable into operative position, a
10 buck is arranged for cooperation with the head,
and the head and buck are actuated by a hy
draulic system including a pair of ?uid pressure
motors for actuating the buck and a ?uid pres
sure motorfor actuating the head and a ?uid
5 pressure producing device for actuating the
motors.
An object of the invention is to provide an
ironing machine including cooperative ironing
elements, and ?uid pressure means for actuating
20 both elements.
Another object of the invention is to provide
an ironing machine including cooperative iron
‘ ing elements, ?uid pressure means for actuating
both elements, and manually operative means
25 actuated by the ?uid pressure means.
.
Another object of the invention is to provide
an ironing machine including cooperative iron
ing elements, one manually movable into and
from operative position, and ?uid pressure means
30 for simultaneously actuating both elements, with
equalized force to create an ironing pressure be
tween the elements. / '
Other objects and features of the invention
will appear .from the following description taken.
35 in connection with the drawings forming a pa
of this speci?cation, and in which—-
>
Figure 1 is a vertical sectional view of an iron—
ing machine embodying the invention;
Figure 2 is a fragmentary view in section illus
i0 trating the mechanism for locking the head in
any one of a plurality of operative positions.
Figure 3 is a detail view on line 3-,—3, Figure 1;
Figure 4 is a longitudinal sectional view, partly
broken away, on line 4—4, Figure 1;
Figure 5 is a top plan view of the buck sup
[5
port;
'
Figure 6 is a side elevation, partly in section
and partly broken away, illustrating the assembly
of the buck support and the buck and the ?uid
in pressure motors for actuating the buck;
' Figure 7 is an enlarged detail view illustrating
one of the ?uid pressure motors and associated
parts;
,
Figure 8 is a top plan view of a ?uid pressure
is producing device;
Figure 9 is a vertical sectional view substan
tially on line 9—9, Figure 8;
Figure 10 is a sectional view substantially on
line Ill-l0, Figure 8;
v
Figure 11 is a sectional view substantially on Q
line ll-Il, Figure 8; and,
Figure 12 is a diagrammatical illustration of
the electrical circuit for the machine.
Referring to the drawings for more speci?c de
tails of the invention, l0 represents a frame 10
having a sump l2 at one end and a hollow up
wardly extending column l4 at its other end.
The upper end of the column I4 terminates in a
spherical ‘portion [6, the object of which will
hereinafter appear. The frame is supported by 15
a column l8, ?tted in a sleeve 20 suitably se
cured to the frame concentric to the column I4,
and corresponding legs 22 secured respectively
to the sides of the frame.
A top 24 supported by the frame has an open 20
ing for the reception of the column l4, and an
upwardly extended frustro-conical portion 26
having an opening 28 in the top thereof regis
tering‘ with the sump l2. The top also has an
apron 30 which together with a shield 32 suitably
secured to the frame conceals from view the op
erating mechanism of the machine.
A ?uid pressure producing device, indicated
generally at 34, is suitably mounted in the sump
I2. This device includes a reservoir 36 having a 30
cover 38 provided with a concentric opening 40.
The cover is held against displacement by a re
taining ring 42 seated in a circumferential groove
in the wall of the reservoir adjacent the open end
thereof.
’
‘A piston 44 reciprocable in the reservoir has a
35
concentric sleeve 46 extending through its head.
A leak-proof cup 48 on the head of the piston is
retained against displacement by a circumferen
tial ?ange 50 on the sleeve, and a hollow rod 52
threaded in the sleeve extends upwardly through
the opening 40 in the cover of the reservoir, and
this rod is closed as by a plug 54. A spring 56,
interposed between the'cover 38 and the back
of the piston 44, urges the piston toward the
bottom of the reservoir and imposes pressure on
the ?uid in the reservoir. By removing the plug
54 and retracting the piston, the reservoir may
be filled through the rod 52.
Formed in the base of the reservoir is a com
pound cylinder 56 including a large cham
ber 58 and a small chamber 60, arranged coax
ially to and communicating with one another.
The large chamber 58 has ports 62 and 64 pro
viding communications between the large cham 55
2,125,585
2
her and the reservoir, and the small chamber has
a discharge port 66 controlled by a check valve 68.
A reciprocable piston 18 is ?tted in the com
pound cylinder 56. This piston is held against
displacement by a retaining ring 12 ?tted in a
groove in the wall of the cylinder adjacent the
placement by a plug I58 threaded in the open end
of the chamber. This valve cage has 'a circumferential groove I52 and a plurality of ports I54
providing communications between the circum
ferential groove I52 and the interior of the cage.
open end thereof. The piston 18 has a head 14
and a head 16 spaced apart by a sleeve 18. The
head 14 has a skirt provided with radial ?anges
10 88 between which is ?tted a leak-proof cup 82,
which inhibits the passage of ?uid from the open
end of the cylinder 56. As shown, a portion of
the skirt is reduced in diameter to provide in
conjunction with the wall of the cylinder an
15 annular chamber 84. This chamber communi
cates with the reservoir 36 by way of port 82.
The head 14 of the piston 18 has a plurality of
ports 86 providing communications between the
annular chamber 84 and that portion of the
20 chamber 58 forward of the head 14, and a collap
I
As shown, the cage has a head I56 located be
tween. the ports I44 and I46, and the head has a
concentric port I58. A leak-proof cup I68 on the
head I56 of the valve cage has a concentric open
ing, and the perimeter de?ning this opening over
hangs the perimeter de?ning the port I58. An
other leak-proof cup I62 is seated on the head of
the valve chamber and a spring I64 interposed
between the cups I68 and I62 retains the cups
against displacement to effectively seal that por
tion of the chamber I42 between the cups I68
and I62.
'
A valve I66 has a portion I68 adapted to enter
the port I58 in the head I56 of the valve cage and
engage the overhanging perimeter of the leak
sible leak-proof cup 88 ?tted in a circumferential proof cup I68 to effectively seal the valve when it
groove in the piston controls the ports 86. The is in closed position. The valve has a stem I18
cup 88 is normally held against the head 14 by a. which extends through the head of the valve
relatively light spring 88 interposed between the chamber I42. This stem has suitably secured
thereon a collar I12, and sleeved on the valve stem
25 cup and a stop 82 ?tted in a circumferential
between the collar and the head of the valve
groove in the piston.
A plug 94 suitably secured in the skirt of the chamber I42 is a spring I14 which urges the valve
piston provides in conjunction with the skirt of to its closed position.
The free end of the valve stem abuts a screw
the piston a chamber 96 which communicates
I16
threaded in an arm I18 keyed or otherwise
30 with the sleeve 18. The chamber 96 has a port 98
providing a communication between the chamber secured to the shaft I32. As shown, the arm I18
96 and the annular chamber 84. The chamber 96 has a notch I88 for the reception of a spring
pressed plunger I82 suitably mounted on the
also has a plurality of ports I88, providing com
munications between the chamber 96 and that frame I8. When the plunger I82 engages the
portion of the chamber 58 forward of the piston notch I88 the operating lever I36 is retained in
35
neutral position.
head 14.
The head 16 of the piston is ?tted in the small '
chamber 68. This head has a plurality of ports
I82 providing communications between the larger
40 chamber 58 and the smaller chamber 68. The
head 16 has an extension I84 provided with a
passage I86. The passage I86 provides a com
munication between the sleeve 18 and the smaller
chamber 68. A collapsible leak-proof cup I-88 on
45 the piston head 16 is retained against displace
ment by a flange II8 on the extension I84, and
interposed between the ?ange H8 and the- head
of the smaller chamber 68 is a spring II2 for
A cylinder I84 formed at the base of the reser
voir 36 is closed at one end as by a head I86 and
open at its other end. This cylinder has a port
I88 providing a communication between the valve
chamber I42 and the cylinder I46. A piston I98
reciprocable in the cylinder I84 is held against
displacement by a retaining ring I92 ?tted in a
circumferential groove in the wall of the cylinder
adjacent the open end thereof. A leak-proof cup
I94 on the head of the piston I98 is held against
displacement by a spring I96. This spring also
serves to return the piston to its retracted posi
tion. Formed in the back of the piston is a recess
urging the piston to its retracted position.
7 I98 for the reception of one end of a thrust rod
A
reciprocable
piston
H4
in
the
sleeve
18
has
50
288, the other end of which is suitably secured to
on its head a leak-proof cup I I6 held against dis
placement by a spring I I8 interposed between the a forked member 282. This forked member is
cup and the back of the piston head 16. The pivotally connected to one end of a link 284, the
piston I I4 carries a valve I28 held against its seat other end of which is pivotally connected to a
55 I22 by a heavy spring I24.
'
A recess I26 in the plug 94 threaded in the
skirt of the piston receives one end of a thrust
rod I28, the other end of which is pivotally at
bracket 286 mounted on the frame I8. The link
284 is limited in its movement by a pin 288 adapt
ed to engage the bracket, and connected between
the forked member 282 and a ?xed support 2I8 is
tached to an arm I38 keyed or otherwise secured - a spring 2 I2. This spring actuates the thrust rod
288 to normally retain the piston I98 in its re
60 to a shaft I32 journaled in a suitable bearing I34 tracted position.
.
on the frame l8. An operating lever ‘I 36, keyed or
otherwise secured to the shaft I32, has suitably
attached thereto an extension I38, and secured to
the free end of this extension is a knob or hand
and thrust rod I28 to move the piston 18 on its
A buck support 2“ bolted or otherwise secured
to the reservoir 36 includes an elongated recep
tacle. This receptacle has mounted in the re
spective ends thereof ?uid pressure actuator mo
tors 2I6 and 2I8. Each of the motors includes a
cylinder 228 and a piston 222 reciprocable in the
cylinder.‘ The piston is provided with a head 224
compression stroke.
having an extension 226 on which is ?tted a leak
65 grip I48. vUpon depressing the lever I36 the
shaft I32 is moved through an angle, and this
movement is transmitted through the arm I38
70
>
.
A valve chamber I42 formed in the base of the
reservoir has a port I44 which provides a com
munication between the valve chamber and the
reservoir, and a port I46, the purpose of which
will hereinafter appear. A valve cage I48 is ?tted
75 in the chamber I42 and is retained against dis
proof cup 228. The extension 226 has a diametral
bore 238 communicating with an axial bore 232
extending through the piston and the extension.
A bleeder screw 234 is threaded in the bore 232 in
the piston and ?tted on the back of the piston is
a cap 236 enclosing the bleeder screw 234. As
2,125,585
shown, the piston is held against displacement by
a retaining ring 238 seated in a circumferential
groove in the wall of the cylinder adjacent the
open end thereof.
3
?uid pressure motors 2I6 and 2I8 are in re
tracted position in which position the buck is
held against the pistons by the springs 266; under
these conditions,‘ the operator places the work
4
The motors 2I6 and 2I8 are connected respec
tively by conduits 2'46 and 242 to a coupling 244,
upon the buck and lowers the head 268 into opera
and the coupling is connected by a conduit 246
the thicknessof the work.
tive position, which position varies- according to
to the discharge port of the compound cylinder ~
56 with the check valve 68 interposed, and by a
10 conduit 248 to the port I46 in ‘the valve cham
ber I42.
A buck 250 has formed on the back thereof a
?ange 252 telescoping the buck'support, and pres
sure plates 254 are arranged on the back of the
'15 buck to provide bearing surfaces for the caps 236v
on the pistons of the ?uid pressure motors 2 I 6 and
2I8. The buck also has suitably arranged on the
back thereof corresponding‘ sleeves 256 embraced
by' suitable guides 258 formed'on the wall of the
'
Upon movement of the head into operative posi- I
tion, the arm 212 and the arm 218 integral there
with is moved through an angle. ‘This, movement 10
of the arms 212 and 218 places the return springs
282 under tension and transmits force through
the link 288 to the bell crank lever 286 to move
this lever through an angle.‘ As thebell crank
lever moves, the pin 280 thereon engages the ll
forked member 202 and retracts the thrust rod
200, resulting in releasing the piston I80. ’
After moving the head into operative posi
tion, the operator applies force to the lever I36
20 cylinders of the respective ?uid pressure motors ' by pressing downward on the hand grip I 40. This
movement of the lever I36 rocks the shaft I32
Rods 260 suitably secured in the bottom of the 'and moves the arm I30 through an angle. This
receptacle or buck support '2I4 extend upwardly
into the sleeve 256. As shown, the rods have
25 heads 262, and sleeved on the rods between the
heads 262 and‘ retaining rings 264 seated in cir
cumferential grooves in the sleeves adjacent the
open ends thereof are coiled springs 266. The
springs 266 serve to retain the buck M4 on the
30 caps 236 on the back of the pistons 222 in the
cylinders 220 and to return the pistons 222 to
their‘ retracted positions.
-
An ironing head 268 adaptable for cooperation
with the buck 250 is pivotally connected to. op
35 positely disposed horns 210 formed on one end of a
hollow arm 212, the other end of which is ?ared as
indicated at 214 for the reception of the spherical
portion I6 of the column I4‘. The arm 212 has
an internal web 216 and this web. has ‘an 'in
This arm extends downward into
the column I4 and is pivoted to the spherical
portion I6 of the column I4. A yoke 280 is piv
oted on the arm 218 and is connected by coil
40 tegral arm 218.
springs 282 to an, adjustable member 284 mount
45
ed on the frame I0.
'
‘
Upon the completion of an ironing operation,
the springs 282 actuate the arm 212 to move the
head 268 to the elevated or inoperative position.
A bell crank lever 286' is pivoted on the frame I0.
50 One leg of this bellcrank lever ‘is pivotally con
nected to one end of a link 288, the other end of
which is pivotally connected to the arm 218. The
other end of the bellcrank lever carries a pin 280
adapted to enter the forked member 202 when
55
the head is lowered into operative position.
To
vfacilitate in lowering the head intovoperative
position, a rod 282 is attached to the arm 212 be
60
movement of the arm I30 transmits force through
the thrust rod I28 to move the piston 10 on its
compression stroke. Simultaneously therewith,
the arm I18 is rocked through an angle, and this
movement of the arm I18 disengages the spring
pressed plunger I82 from the notch I80.
During the initial movement of the piston 10
on its compression stroke, the leak-proof cup 88
,on the head 14 of the piston covers the port 64,
and the ?uidin the chamber 58 is displaced there
from through the ports I02 in the head 16 of the
piston, past the leak-proof cup I08 into the cham
ber 60, thence through ports 66 and past the check
valve 68 through conduit 246, coupling 244, and
conduits 240 and 242, into the motors 2I6 and
2I8, also through conduit 246 into valve chamber
I42, thence through port I88 into cylinder I84,
resulting in actuation of the ?uid pressure motors 40
Further increase of pressure results in actua
tion of the pistons 222 in the motors 2I6 and 2I8
and the consequent movement of the buck 250
against the head 268; Simultaneously therewith, 45
pressure is built up in the cylinder I84 against
the face of the piston I90, resulting in applying
force through the thrust rod 200 to the bell crank
lever 286 retaining the lever 286 against move
_ ment, thus effectively retaining the head in oper 50
ative position. Movement of the buck is the
. result of displacement of ?uid due‘ to initial move
ment of the piston 10, and further movement of
the piston 10 create-s su?icient pressure between
I ' the buck and the head to effectively iron the
55
work. The buck is moved against the resistance
tween the horns 210, and suitably secured to the
of the springs 266, resulting in compressing the springs between the heads 262 on the rods 260
free end of the rod~is a knob or hand grip 284.
‘and the retaining rings 264.
A ?uid pressure switch 286 communicates with
the coupling 244 and is connected in a circuit
288 including a lamp 306 housed in the arm 212
' back of an opening having therein a colored glass
302.
The circuit 288 is tappedo? of a circuit
304 including a heating element 306 arranged
-
~As the piston 10 is moved upon its compression 60
stroke, a predetermined pressure is obtained
whereupon the piston I I4 is actuated by ?uid un
der pressure in the chamber 58 resulting in trip
‘ ping the valve I20 and thereby rendering the
head v14 of the piston ineffective for producing
.pressure, the ?uid forward of the'head 14 being
returned to the reservoir by way of the ports'
within the‘ironing head 268 and a rheostat‘ 308
mounted on the head 268. The circuit 302 may
be connected to any suitable source of electrical ' I00, chamber 86, port 88, chamber 84 and port I
supply.
.
‘
62. As‘ the piston proceeds on its compression
In operation, assuming that the ?uid pressure stroke the ?uid under pressure in the chamber 70
70
system is ?lled with ?uid, that the circuit 304. v60 operates-against the piston II4 to retain the
is connected to a suitable source of electrical valve I20 in open. position.
supply, that the ironing head is in the elevated or
This transition of pressure occurs over a rela—
inoperative position, and that the buck is in the tively wide range ‘depending entirely upon the
75 position of rest wherein the pistons 222 of the relation of the area of the piston II 4 to the area
2,126,585
‘of the valve I28. Because of the restricted open
ings I08 providing communications between the
in,
chamber 5&1 and the valve I28, sudden move
ment of the piston ‘Ill on its compression stroke
wili not cause actuation of ‘the valve I20.
, When the pressure between ‘the ironing ele
While the invention has been described in con
nection with certain specific embodiments, the
principles involved are susceptible of numerous
other applications that will readily occur to per
sons skilled in the art. The invention is, there
fore, to be limited only as indicated by the scope
ments reaches apredetermined degree, the ?uid
under pressure in the system' actuates the fluid
10
pressure switch 296 to-close the circuit 298. This
results in lighting the lamp 388 which gives a
visual‘indication that ‘the required pressure be
tween the ironing elements has been attained.
Upon release of the applied force the check
valve 68 maintains the pressure at a predeter
mined degree, ‘and ,after'maintaining the pres
. sure for a su?icient period of time to effectively
the operator raises the lever I36.
- iron the'work
This movement of the lever I36 is transmitted to
the shaft I32, resulting in moving the arm I36,
20 and this movement of the arm retracts the thrust
pin I28. As the thrust pin I28 is retracted, the
piston 16 is returned to its normal or retracted
position under the in?uence of the spring Ill2. ,
As the piston 2 0 returnslto its retracted posi
I08 c0llapse,~and ?uid is
25 tion the cups 88 and
drawn from the reservoir 36 through‘ the port 62,
chamber 84, ports 86, past the
cup 88- into the '
chamber 58 forward oi the head ‘l4, thence
through ports I82v__in the piston head 16, past the
30 cup I88, into thewch‘amber 68, ?lling the cham
of the appended claims.
‘
Having thus described the various features of
the invention, what I claim as new and desire to
secure by Letters Patent, is:
1. An ironing machine comprising cooperative
ironing elements, a ?uid pressure actuated motor
operatively connected to one of the elements, a
?uid pressure actuated motor yieldingly support
ing and operative to actuate the other element,
and a ?uid pressure producing device operatively
connected to the motors for simultaneous actu
ation thereof.
-
2. ‘An ironing machine comprising an ironing
head, a buck for cooperation with‘ the head, 20
means supporting the head for movement into
and from operative position, means tending to
move the head from operative position, ?uid
pressure motors for actuating the buck, a ?uid
pressure motor for actuating the head, a ?uid 25
pressure producing device for actuating the mo
tors concomitantly, and manual means for-op
erating the ?uid pressure producing device.
3. An ironing machine comprising an ironing
head, a buck for cooperation therewith, means
supporting the head for movement into and from
operative position, means ‘tending to move the
bers 58 and 60 vtor subsequent operation. When:
the piston 10 is iully'retracted, the cup 88 un~ head from operative position, force multiplying
coversv the port 64 and any surplus ?uid in the
cylinder is returned through this port to the
reservoir.
w
.
j
Upon further
movement
-of the
operating lever.
I36 in the same directionlthe shaft is moved
through an angle, and this movement is trans
mitted to the arm I18 on the shaft I32 to trip
the valve I66, whereupon pressure on the ?uid in
the motors 2I6 and 2I8 and in the cylinder I84
is released. Upon tripping the valve I66 the ?uid
in the cylinder I84 and the motors H5 and 258
is returned from the cylinder I84 and the motors
.2I6 and 2I8 to the'reservoir.
The ?uid is re
turned from the cylinder I84 through the port
I88 to the valve chamber I42, and from‘ thence
past the valve II6 through port I44 to the reser
voir, and from the motors 2I6 and H8 through
the conduits 240 and 242 and coupling 244 and
conduit 246 to the valve chamber I42, thence
past the valve I66, through the port I44 to the
reservoir. Due to the tension on the springs 266
connected between the'buck and the support,
these springs serve to retain the buck on the
55 pistons ,of the ?uid pressure motors and to re
' _ turn ‘the buck to its'wnormal position.
Upon release of pressure on the ?uid in the
cylinder I85; the springs 282 become effective to
60 return the head 268 to elevated or inoperative
position. As the head returns to inoperative po- I
sition the pin 290 on the bell crank lever 286 dis
engages the fork 282 on the end of the thrust
pin 206, whereupon the spring 2I2 becomes effec
tive to actuate the thrust itcd 200 to partlydis
65 charge fluid .from the cylinder I88 through-port
l88 into valve chamber I44, past the valve I66,
and through the ports I54, circumferential groove
I52, and port I44, into the reservoir. _
means connected to the supporting means, ?uid
pressure motors for actuating the buck, a ?uid 35
pressure motor for actuating the force‘ applying
means, a ?uid pressure producing device for ac
tuating the motors, and manual means for actu
ating the ?uid pressure producing device.
4. An ironing machine comprising an ironing
head, a buck for cooperation therewith, means
supporting the head for movement into and from
operative position, manually operative means for
moving the head into operative position, ‘means
tending to move the head from operative position,
force multiplying linkage connected to the sup
porting means, ?uid pressure motors for actu
ating the buck, a ?uid pressure motor for actu
ating the force applying linkage, a ?uid pressure
producing device for actuating the motors, and 50
a manually operative means for actuating the
?uid pressure producing device.
5. An ironing machine comprising an ironing
head, a buck for cooperation therewith, means
supporting the head for movement into and from
operative position, manually operated means for
moving the head into operative position, means
tending to move the head from operative posi
tion, a bell crank lever, linkage connecting the
lever to the supporting means, ?uid pressure mo
tors for actuating the buck, a fluid pressure mo
tor for actuating the bell crank lever, a ?uid
‘pressure producing device for actuating the mo
60
tors, and manually operative means for actuating
65
the ?uid pressure producing device.
EVERETT W. ROUGH.
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