US2363518A - Domestic appliance - Google Patents

Description

Nov. 28, 1944. FERR|5 2,363,518

DOMESTIC APPLIANCE Filed Nov. 50, 1940 11 Sheets-Sheet 2 Nov. 28, 1944. D. K. FERRIS DOMESTIC APPLIANCE Filed Nov. 30, 1940 ll Sheets-Sheet 3 Nov. 28, 1944. K, FERRIS DOMESTIC APPLIANCE Filed Nov. 30, 1940 ll Sheets-Sheet 4 NOV. 28, 1944. K FERRls 2,363,518

DOMESTIC APPLIANCE fi Filed NOV. 30. 1940 11 Sheets-Sheet 5 ATTORNEYS Nov. 28, 1944. D. K. FERRIS DOMESTIC APPLIANCE Filed NOV. 30. 1940 11 Sheets-Sheet 6 2 v :ZVEN'TQR. W1.

ATTORNEYS Nov. 28, "1944.

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DOMESTIC APPLIANCE Filed Nov. 30. 1940 11 Sheets-Sheet 10 WWW . NOV. 28, 1944. D K ms- 2,363,518

DOMESTIC APHJIANCE Filed NOV. 30, 1940 11 Sheets-Sheet 11 Patented Nov. 28, 1944 UNITED STATES PATENT OFFICE DOMESTIC APPLIANCE Donald K. Ferris, Dayton, Ohio, assignor to General Motors Corporation, Dayton, Ohio, a corporation oi Delaware Application November 30, 1M0, Serial No. 381,989

10 Claims.

Another object of this invention is to provide an improved mechanism for driving the rotatable ironing member and for closing the shoe upon the rotatable ironing member.

Another object of this invention is to provide an ironing machine with a relatively large shoe and a relatively small shoe, which cooperate with each other to specialize the machine selectively for ironing flat work or wearing apparel.

Further objects and advantages oi the present invention will be apparent from the following description, reference being had to the accompanying drawings, wherein a preferred form of i the present invention is clearly shown.

In the drawings:

Fig. 1 is a, vertical view, partly in cross-section,

of my ironing machine:

Fig. 2 is a top view. of a portion of the ironing machine; V

Fig. 3 is a rear view of a portion of the ironing machine;

Fig. 4 is a vertical view, partly in cross-section, taken transversely to Fig. 1;

Fig. 5 is an end view of the upper part of the ironing machine showing both shoes retracted;

Fig. 6 is a view, somewhat similar to Fig. 5; but showing one of the shoes closed upon the rotatable iron member;

Fig. 7 is a vertical cross-section showing the transmission mechanism:

Fig. 8 is a horizontal cross-section taken along the line H of Fig. 7;

Fig. 91s a horizontal cross-section taken along the line 98 of Fig. 7:

Fig. 10 is a vertical cross-section taken along the line ll-IO oi Fla. 8;

Fig. 11 is an elevational view of the mechanism shown in the lower part 0! Fig. '1;

Fig. 13 shows a detail of the mechanism shown in Fig. 11; i

Fig. 14 is a horizontal cross-section taken along the line H-ll of Fig. 11, showing the station clutch just before release of the shoe actuating cam from the drive mechanism;

Fig. 15 is a view similar to Fig. 14, but showing the cam in its fully released position;

Fig. 16 is a, horizontal cross-section taken along the line i6l8 of Fig. '7;

Figs. l7, l8, l9 and 20, show the control pedal and its associated parts in the stop," first speed,

second speed and press" positions respectively;

Fig. 21 is an exploded view, in perspective, oi the station clutch mechanism; and

. Fig. 22 is a horizontal cross-section taken along the line 22-22 of Fig. 7.

The ironing machine may be mounted on a standard or table ill. It is provided with a rotatabie ironing member or roller II, a shoe structure including a relatively large shoe l2 and a relatively small shoe IS. The ironing members are closed upon and opened from each other and the ironing members are movable with respect to each other codirectionally to the surface of the large shoe. To this end, the rotatable member II is rotated under the control of a unitary controlling member or pedal M. The arrangement is such that the pedal M, in various positions, causes 30 either or both of the shoes to be closed upon the roller ll, causes the roller H to rotate at a plurality of speeds, or may cause the roller to remain stationary when the shoe structure has been closed upon it .for pressing operations.

A motor [5 is provided for furnishing power to the parts controlled by the pedal I. The motor I5 is connected to those parts through the medium of a transmission in the casing It. This transmission is controlled by the pedal M to cause m the roll driving shaft i! to rotate at first and 5 ing shaft is and is driven by means of a rotatable shaft Ill keyed to the roller II at ii and geared to the shaft I! at 22.

The shoe structure is mounted on the rookable shaft It. The large shoe I! is secured to back- Fig. 12 is a bottom view of a portion oi the g provided with an extension 21 which may be mechanism shown in Fig. 11;

wardly directed lugs 23 which are fulcrumed at 26 on 'the lever structure 24, which is loosely mounted on the shaft ll. Lever structure 24 is U-shaped in horizontal cross-section. A locking lever structure 25 is also tulcrumed at It and is brought into engagement with the end ll of a leaf spring 2!. the other end 3. of which is keyed and secured in the shaft IS. The arrangement is such that, when the lever structure 28 is pulled towards the user or to the left as viewed in Figs. 1 and 6. by means of the knob II, the corresponding shoe is placed in condition for engagement with the roller Ii whenever the shaft II is properly rocked by the transmission mechanism. Another leaf spring 2!? is keyed to the shaft 18 and is effective to retract the shoe when the shaft I! made, if necessary, for further disclosure thereof.

Means are provided for stopping the backward movement of the lever It. To this end. the sides of the lever 24 are provided with openandabar lilissecuredtothesides the lever II. This bar If! strikes against 2| and prevents the lever 24 from falling too far back when released by the handle ii.

The small shoe i3 is supported on the shaft a structure similar to that which supports shoe l2. Gorrespondingpartshave been numwith the same number provided with the 'Hielargeshoe llandthesmallshoe [Bare of substantially the same length along the circumference of the roll. They are separated by a slanting division I30, which is advantageous for reasons given in my said oopending application. They may be selectively brought separately into engagement with the roller, or they may both be broimht together into engagement with the roller by movement of the knobs 3| and 31a towards or away from the user and by subsequent movement of the pedal it to cause the motor to rock the shaft II. when brought forward together, they form a large composite shoe useful in ironing flat work. The small shoe alone is specially adapted for ironing the collars, cuffs, sleeves, etc., of wearing apparel. The slanting edge of shoe l2 along division Ila is also useful in ironing collars and the like of wearing apparel. when the large shoe i2 is bein used without the small shoe. However, it is more advantageous to use the small shoe for this purpose.

The shoe rocking shaft I8 is lournalled in a stationary bearing 40 carried by the upstanding casing ll. The roller ii and its stationary bearing I! are carried by the stationary casing 42, both cases being rigidly secured to each other and to the base ll, through the medium of the solidtop lid ofthe gear casing l6.

The shoe rocking shaft I8 is rocked by. a. downwardly extending lever 43. The lower end 44 of the lever CI is rocked by the extension ll of the cam sleeve member IS. The cam sleeve member it is actuated by the cam H, which may be rotated selectively to two positions, around stationary stub shaft "a, by means of a station clutch arrangement hereafter described. The station clutch includes a ratchet wheel 48 which rotates all the time that the motor ili is actuated. The ratchet wheel ll is engaged by the tooth while the cam 41 is being moved between its "statlon positions, and the tooth I9 is automatically disengaged from the ratchet wheel ll! at the "stations" when the shoe structure is either fully retracted or fully brought forward The station engagement and disengagement of the tooth ll is controlled y means of the rotating levers III which come into the engagement with the end ll of the rockable stop lever II. As shown in Fig. 14, on of the levers 5| has lust come into engagement with the end ll of the lever 51. listening to Fig. 21, along with Figs. 14 and 15, is to be noted that the tooth II is carried by a slide 53 which fits over the cam 41 and is siidably secured thereto by means of screws 54 with the plat 55 interposed therebetween. Accordingly, when the ratchet wheel ll rotates the tooth ll. slide 53, plate II and cam 41 in a counterclockwise direction for a short distance after the lever Bl enga es stop II, the pin It is rotated relatively to the now stationary slot 51, causing the slide 51 to move outwardly (to the left in Figs. 14, 15 and 21). At the same time the tension on spring 58 is stretched between the now stationary car 59 of the plate II and the moving lug 41a rotating cam 47. This relative motion continues between the position shown in Fig. 14 to that shown in Fig. 15 at which time the cam 41 and plate It stop rotation because the tooth 49 becomes disengaged from the driving ratchet wheel 48.

It is to be noted that the slot 51 is wider than the diameter of the pin as clearly indicated in Figs. 14 and 15. This prevents ratcheting of the tooth 49 with the ratchet If after the mechanism hasreached the position-shown in Fig. 15, because the tooth 49 can be knocked clear of the teeth of ratchet 48 due to the clearance play between pin 56 and slot 51.

The cam is maintained in the position shown in Fig. 15, by a leaf spring lll, carried by the sleeve It, which spring to en ages the teeth 8| formed in the periphery of. the cam ll. These teeth are constructed to allow the cam ll to move counter-clockwise with relation to the sleeve it, but prevent backward movement thereof. The station stop is so selected that the cam 41 stops slightly before maximum outward movement of the sleeve 46 is produced, and at this time the tooth I! is released. The leaf spring so then prevents backward movement of the cam 41 in spite of the strong backward pull by the spring 58 between the ear I! and the cam 41.

The motor li'drives the worm 62 which is meshed with the gear 63 and drives the shaft '4. This shaft is fixedly secured to the ratchet wheel 48 and also to a sun gear which is part of a planetary gear drive for the roll rotating shaft II. The planetary gearing is so constructed that when the toothed ring 86 is stopped by the lever 81, the roll is rotated at one speed. when the toothed wheel 68 is stopped by the lever 69, the roll is rotated at a different speed. The levers i1 and 88 are urged in a clockwise direction by springs Ill and II and in a counterclockwise direction (Flgs. 8 and 9) by the slide 12 under the control of pedal It. The slide 12 is provided with a notch ll, such that when the notch II is brought into positions opposite the ends of levers B1 and 69 respectively, the respective levers are permitted to be rocked clockwise by their respective springs II, II, into stopping engagement with the respective wheels 56 and 68. Thus it is to be seen that when the pedal i4 is moved to its various positions (see Figs. 17, 18, 19 and 20) the planetary gears are controlled by the levers i1 and 60 to hold the roll II in the stopped position when the pedal II is in its 119- permost and lowermost position, and the roll II is rotated at first and second speeds when the pedal I4 is in its two intermediate positions.

Itistobenotcdthattheshoes I! and may be used together as a unitary large shoe by moving the handles 3| and Blu forward to cause the leaf springs 29 and 29a to become effective on their respective shoes. Either one of the shoes I2 or It may be used independently of the other by moving one of the handles 3! or 3m forward while the other handle is in the back position. The small shoe I3 is particularly useful for ironing wearing apparel such as shirts or the like, and may be used with the same effect as a hand iron without the necessity of lifting the same. Because 01 the shape and size of the shoe I3, it is possible to iron collars, cufls, etc., with very little practice and in a manner quite similar to hand iron operation.

The two-speed planetary drive is connected to the shaft H by means of the spider 80 which is fixed to the shaft I1. The spider 60 carries gears 8i mounted on bearing pins 82. The gears BI are meshed with the sun gear 65 and also with an internal gear 83 carried by the wheel 65. The gears BI have integrally formed therewith smaller gears 84 which mesh with an internal gear 85 on the wheel 68. The wheels 68 and 68 are loosely mounted on bearings 86 and 81 respectively so that they are free to turn as long as they are not engaged by the stop rods 61 and 69. Therefore, as long as these rods are disengaged, no torque can be transmitted through the free running wheels 66 and 68, and the shaft I'I remains stationary. However. when the wheel 66 is held stationary, a relatively fast rotation is imparted to the roll II, while a relatively slow rotation is imparted to the roll l I when the wheel 68 is held stationary.

The station clutch is controlled from the pedal I4 by means of the slide I2. The slide I2 is provided with an ear 90 on top of which the end SI of the stop lever 52 rests. The stop lever 52 is urged in a clockwise direction (Fig. 7) by means of the spring 92. When the slide I2 is in its h'ghest position, as shown in Fig. "I, the end SI of the lever 52 stops the lever 50 which holds the shoe structure away from the roller. As the slide I2 is moved to its next lower. position, the end of the lever 52 rises to engage the upper lever 50 and thus moves the station clutch structure to hold the shoe structure against the roll.

It is desirable to provide an indexing means so that the user may be conscious of the correct place to stop the pedal I4. To this end a U- shaped spring 94 is secured to the lower portion 95 of the casing I6. This U-shaped spring contracts into the notches 96, 91 and'98 in the slide I2. This cooperation between the spring 94 and the notches 96, 91 and 98 imparts an indexing feel to the user's foot, so that the pedal I4 is used in the four positions only.

Means are provided for raising the pedal when released by the users foot. To this end a spring Hill is secured to a stationary part of the ironing machine, such as to the lug "ll of the casing I6, and the other end of the spring Hill is secured to an intermediate part I02 of the rod I03 which connects the pedal I4 to the slide I2. The rod I03 is connected to the slide II! by means of a bolt I04. The slide I2 is held from lateral displacement by the bolts I05 which are loosely fitted in the slots I06 of the slide 12 and are carried by stationary parts of the casing, such as the lug IIlI and stationary extension II" of the transmission casing.

The transmission casing I5, which carries the roll and shoe structures may be secured to the table It by any suitable means. Preferably an angle iron structure IIII is bolted, by bolts III to the casing It. This angle iron structure is secured to the table supports by any improved manner; and preferably extends longitudinally along each long edge of the table from one leg to the other, to provide a rigid support for the ironing mechanism.

In the operation of the machine and assuming that the motor has been placed in motion with the manipulator I4 and slide I2 in the position thereof shown in Fig. 17, shaft Ill and gear 63 are rotated. In this position of the pedal or manipulator II, no motive power is transmitted to roll II due to the fact that neither of the running wheels 68 and B8 are held, by stop rods 61 and 89, against rotation and the station clutch transmission maintains the shoes I2 and I3 in a position away from the roll. Upon placing work in association with roll II to be ironed, the pedal IQ is depressed to its first position of the depression as shown in Fig. 18. This movement of pedal I 4 lowers the slide I2, permits lever 52 to rotate crosswise and set the station clutch transmission in motion to move both or one or the other of the shoes l2 and I3 into engagement with the role It while at the same time operating one of the levers 61 or 69 into engagement with one of the wheels 66 or 68 so that power is transmitted from the motor to the -roll shaft H to rotate the roll at one or a first speed. The material to be ironed is started between the shoes l2 and I3 and the roll II and if it is desired to increase the speed of the roll, the pedal II is again depressed to its second position of depression as shown in Fig. 19. This further depressed position of the pedal I4 causes slide I2 to axially rotate the levers 61 and 69 so that the one lever will be disengaged from holding position and the other will be brought into engagement with its associated toothed wheel to thereby cause rotation of the larger gears 8| to drive the spider and consequently the roll shaft l I at a, second or increased speed. When the ironing operation is finished, pedal I4 is released. Release of .the user's foot from pedal I4 renders the spring I00 effective to move the slide I2 and pedal I4 upwardly to the normal position as shown in Fig. l1 and the motor still being operated will, through the station clutch transmission, cause the shoes I2 and I3 to move back away from roll II in order to place the ironing machine in readiness to receive further work to be ironed or pressed. The indexing means, which conveys to the users foot on pedal I4 sensations to render the user conscious of the various operating positions of the slide to carry out the functions of the machine, permits the user to reverse the operations of the machine described or to carry these operations forward selectively as may be desired. If it is desired to press clothes without rotation of the roll II, such clothes are placed on the roll, and the pedal is depressed to the position shown in Fig. 20. This places the levers G1 and 69 in a position to maintain the roll stationary and moves the lever 5| to a, position to rock the shoe or shoes to press the clothes. Thus the plurality of functions of the machine, through the medium of the gear transmission, station clutch transmission and connections with the slide, may be caused to be carried out by a single control or manipulator.

While the form of embodiment of the invention as herein disclosed, constitutes a preferred iorm, it is to be understood that other forms might be adopted, all coming within the scope of the claims which follow.

What is claimed is as follows:

1. An ironing machine, comprising a rotatable ironing member, a shoe ironing member, a motor, a transmission between said motor, shoe ironing member and rotatable member and having means to drive rotatably said rotatable ironing member and to bring said members together, a single manipulator, connections between said manipulator, motor and transmission effective in one position .to render said rotatable member stationary, in another position to rotate said rotatable member at a first speed and to bring together said ironing members, in another position of said manipulator to rotate said rotatable ironing member at a second speed, with said ironing members together, and in another position to cause said ironing members to be together with said rotatable ironing member in a stationary condition.

2. An ironing machine comprising a rotatable ironing member, a shoe ironing member, a motor, a transmission between said motor and said ironing members and having means to drive rotatably said rotatable ironing member and to bring said members together, a single manipulator, connections between said manipulator, motor and transmission, effective in one position of said manipulator to render said rotatable ironing member stationary with said shoe ironing member retracted, in another position to rotate said rotatable ironing member with said shoe ironing member closed upon said rotatable ironing member, and in another position to disconnect said transmission between said rotatable member and said motor with said shoe member closed upon said rotatable ironing member.

3. An ironing machine comprising a rotatable ironing roll member, a plurality of arcuate shoes, means to cause relative closing and opening movement between said roll member and shoes, a motor. a worm transmission driven from said motor, differential speed gears connected to said worm transmission and said rotatable ironing member, a station clutch connected to said worm transmission and controlling the relative closing and opening movement between said roll memher and said shoes, and a single control means selectively to control in a plurality of positions, the difierential speed of rotation of said roll through said gears and the relative closing movement between said roll member and both of said shoes or one only of said shoes and in another position to maintain said roll stationary and control the relative closing movement between said roll member and both of said shoes or one only of said shoes.

4. An ironing machine comprising a rotatable ironing roll member, a plurality of arcuate shoes mounted to move to and away from said roll member, a motor, a two-speed transmission drive between said motor and roll member, a station clutch transmission between said motor and shoes to move said shoes to and away from said roll member, a single control means to make said station clutch transmission effective selectively on said shoes and effective to control said two-speed transmission drive and release means to render said control means ineffective on one of said shoes.

5. An ironing machine comprising a rotatable ironing member, a shoe member, said members being relatively movable to and from each other, and a station clutch for relatively moving said members to and from each other, including a rotatable cam, a cam sleeve, a toothed slide, a rotatable ratchet wheel, a lever plate having means to move said toothed slide into engagement and disengagement with said ratchet wheel, a spring between said cam and lever plate, and a one-way lock between said cam sleeve and cam to prevent backward motion of said cam when said toothed slide is disengaged from said ratchet wheel.

6. An ironing machine comprising a rotatable ironing member, a movable shoe, a motor, s. rotating transmission between said motor and rotatable ironing member, a station clutch transmission between said motor and shoe, a pedal, and connecting means between said transmission and pedal efiective in one position of said pedal to disengage both of said transmissions, in another position of said pedal to engage said rotatable transmission to rotate said ironing member and to engage said station clutch transmission to move said shoe against said ironing member, and in another position of said pedal to disengage said rotating transmission to maintain said rotatable ironing member stationary and to engage said station clutch transmission to cause said shoe to be against said ironing member.

'7. An ironing machine comprising a rotatable ironing member, a movable shoe, a motor, a rotating transmission between said motor and rotatable ironing member, a station clutch transmission between said motor and shoe, a pedal, connecting means between said transmissions and pedal effective in one position of said pedal to disengage both of said transmissions, in another position of said pedal to engage said rotatable transmission to rotate said ironing member and to engage said station clutch transmission to move said shoe against said ironing member, and in another position of said pedal to disengage said rotating transmission to maintain said rotatable ironing member stationary and to engage said station clutch transmission to cause said shoe to be against said ironing member, and indexing means effective to convey to the user's foot sensations for proper stopping positions of said pedal.

8. An ironing machine comprising a rotatable ironing member, a plurality of shoe members movable to and away from said rotatable ironing member, a motor, transmission means connecting said motor, rotatable ironing member and shoe members, a single foot operated control means having at least three positions, one to cause said roll to remain stationary and all of said shoe members to be out of contact with said rotatable ironing member, another position to cause said motor through said transmission means rotatably to drive said rotatable ironing member and selectively or simultaneously to move said shoe members to and away from said rotatable ironing member, another position to cause a change in the operation of said roll while at least one of said shoe members is in contact with said roll and indexing means cooperating with said control means and effective to convey to the user's foot sensations for proper stopping positions of said single control means.

9. An ironing machine comprising a rotatable ironing roll member, a shoe member, means to cause relative closing and opening movement between said roll member and shoe member, a

motor, a worm transmission driven from said motor, selectively effective gears connected to said worm transmission and said rotatable ironing member, a station clutch connected to said worm transmission and controlling the relative closing and opening movement between said roll member and said shoe member, and a single control means selectively to control in one position the rotation of said roll through said gears and the relative closing movement between said roll member and said shoe, and in another position to maintain said roll stationary and control the relative closing movement between said roll member and said shoe.

10. An ironing machine comprising a rotatable roll, a large shoe, 9, small shoe, said shoes having ironing surfaces alignable substantially into a unitary ironing surface, rockable supports for Patent No. 2,565 ,518.

said shoes in the rear of said roll, individual control levers for said shoes to render saidrockable supports eflective or ineflective to bring both shoes or one shoe in ironing contact with said roll, a motor, an engageable and disengageable rotation transmission between said motor and roll, an engageable and disengageable rocking transmission between said motor and rockable supports, and a single control member effective in one position to cause said rotation transmission and rocking transmission to rotate said roll and to rock said rockable supports and in another position to disengage said rotation transmission and cause said rocking transmission to maintain said rockable supports in shoe and roll engaging position.

DONALD K. FERRIS.

CERTIFICATE or commoner.

November 28 19 414..

DONALD K. FERRIS.

It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 14., first column, line 20, claim 1, for the words "to cause said ironing members to be" read urging said ironing membersand second column, line 29, claim 6, and line k7, claim 7, for "to cause said shoe to be" read -in such manner that the shoe is urged--; p g 5- second column, line 12, claim 10, after supports insert --into apressure applying position";

and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 10th day of April, A. o. 1915.

(Seal) Leslie Frazer Acting Commissioner of Patents.

motor, a worm transmission driven from said motor, selectively effective gears connected to said worm transmission and said rotatable ironing member, a station clutch connected to said worm transmission and controlling the relative closing and opening movement between said roll member and said shoe member, and a single control means selectively to control in one position the rotation of said roll through said gears and the relative closing movement between said roll member and said shoe, and in another position to maintain said roll stationary and control the relative closing movement between said roll member and said shoe.

10. An ironing machine comprising a rotatable roll, a large shoe, 9, small shoe, said shoes having ironing surfaces alignable substantially into a unitary ironing surface, rockable supports for Patent No. 2,565 ,518.

said shoes in the rear of said roll, individual control levers for said shoes to render saidrockable supports eflective or ineflective to bring both shoes or one shoe in ironing contact with said roll, a motor, an engageable and disengageable rotation transmission between said motor and roll, an engageable and disengageable rocking transmission between said motor and rockable supports, and a single control member effective in one position to cause said rotation transmission and rocking transmission to rotate said roll and to rock said rockable supports and in another position to disengage said rotation transmission and cause said rocking transmission to maintain said rockable supports in shoe and roll engaging position.

DONALD K. FERRIS.

CERTIFICATE or commoner.

November 28 19 414..

DONALD K. FERRIS.

It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 14., first column, line 20, claim 1, for the words "to cause said ironing members to be" read urging said ironing membersand second column, line 29, claim 6, and line k7, claim 7, for "to cause said shoe to be" read -in such manner that the shoe is urged--; p g 5- second column, line 12, claim 10, after supports insert --into apressure applying position";

and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 10th day of April, A. o. 1915.

(Seal) Leslie Frazer Acting Commissioner of Patents.

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