BE474146A - - Google Patents

Description

       

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  Improvements made to washing machines.



   The present invention relates to machines for lifting clothes and laundry; it relates more particularly to a machine which operates automatically according to a defined cycle of operations.



   Automatic machines, in which an operation consists of washing the laundry, one or more operations for rinsing the same and finally an operation for wringing out are well known and, for this reason, they are not new, in a way. general. In some cases these machines are built so that they can work around a horizontal axis and in others they work around a vertical or oblique axis. Complicated electrical circuits and devices are generally involved in controlling these machines and it is necessary to have recourse to a directional control.

   With machines of this general type and which are now in use, we often encounter difficulties.

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 and as their mechanism is very complicated, more specifi- cally with regard to electric circuits, specialists must necessarily intervene to make repairs and restore them. In addition, their electrical arrangement is delicate and risks being disturbed as a result of factors of very minor importance such as a slight accumulation of dirt which comes to be inserted between two electrical contacts.



   The object of the present invention is, among other things, to make these automatic washing machines such that their service life without disturbances is extended so that the owner can count on safer and more regular operation and that any electrical arrangement. complicated is avoided by bringing in, on the contrary, an improved and efficient mechanical control.



   The new machine comprises a container suitable for receiving the laundry to be washed and which is angularly displaced first in one direction and then in 1-another to carry out the washing and rinsing, while this machine is rotated at one point. high speed and in one direction to spin the laundry.



   To this end, recourse is had to an improved reversing mechanism comprising clutches capable of being tightened alternately and means are provided for positively triggering the disengagement movement of each clutch at a predetermined moment. Electrical means, suitable for operating the clutch, are energized at the moment which shortly precedes the movement of the movable member of the clutch so that this member can be moved rapidly.



   Automatic means are provided to prevent the rotation of the cylinder at the high speed necessary for the boom. ge, except when the container is driven in the same direction, at the end of the last rinsing operation, as that which is intended to rotate during the spinning operation.

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   Other features and characteristics will become apparent during the description of some embodiments of the invention which are shown, by way of example, in the accompanying drawings.



   Figs. 1 to 7 show, respectively in side view, in axial section, in cross section (on a larger scale) according to fig. 2, in section according to 4-4 fig. 3, in section according to 5-5 fig. 4, in section according to 6-6 fig.3 and in section according to 7-7 fig.5, a washing machine established according to the invention.



   Fig. 8 shows, in schematic elevation, the cam mechanism and the parts controlled by them, for this machine.



   Fig.9 shows, in section according to 9-9 fig.6, the same machine.



   Fig.10 shows, in section view along line 10-10 fig.5 (on a larger scale), the cam of the roller visible in fig.9.



   Figs. 11, 12 and 13 show, respectively in sections according to 11-11 fig. 5, according to 12-12 fig.5 and according to 13-13 fig.5, this same machine.



   Fig. 14 shows, in section, the control for obtaining the mixture of hot and cold water so that the desired temperature for the water is obtained during the operation.



   Fig. 15 shows, in section, the pump used to pump water out of the tank.



   Fig. 16 shows a section along 16-16 fig.5.



   Figs. 17, 18 and 19 show, respectively in vertical section, in section according to 1818 fig.17 and in section according to 19-19 fig.18, the elastic transmission established between the laundry container and the motor shaft.



   Fig.20 is a section on 20-20 fig.l, on a larger scale.



   Fig. 21 shows, in elevation (parts in section), - the water inlet and the float which controls it.

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   Fig. 22 shows a plan of the water mixer and the inlets for hot and cold water.



   Fig. 23 shows, in vertical section, the parts of the manual control of the washing machine.



   Figs. 24, 25, 26 and 27 show, respectively in axial section, in section according to 25-25 fig. 24, in section according to 26-26 fig. 24 and in section according to 27-27 fig. 24, the sieve for the discharge of dirty water.



   Figs, 28, 29 and 30 show, respectively in vertical section along 28-28 fig.29, in section along 28-29 fig.28 and in
 EMI4.1
 section according to 20-50 fig.29, the driving mechanism for an automatic washing machine, established according to one embodiment of the invention.
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  Figs. 1 and ;; ', 2 show, rcspectiveelt, in view according to the arrow 31 of, fig. 29 (parts in section) and in side view (partipspn section) from the right cie the fif. 31, iir retaining lock of the clutch.



  Fig. 33 is a section along r3-33 fif, .28, n -nlus large- scale.



  Fig.:4 is a cut along 3 ± 4-1% 4 fiT. ".9: = larger Scale.
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  The fir.55 against, in end view and at a larger scale, one of the boxes of COLnr '! 2nClE of the spring 1 = cii = move the errbrY1 "Ee, climb on 1'? Rbre 3 carnes 1.n¯ F, r ±: = i; rr! C le! "Tg.2; '.



  The Î1 .. r (î Montrs, in view of CÔ tF la cr-e - () Olty trigger OS1 t1V 'I, - ^. Zlt the rnouveqenc ôge l' e ^ rY)? ? T fn i.n17ers811r, count C8rne being rg21el.1ent siont, 4th on rrlice 8 c: mes imé "ri; 1, r <1; fig. 29 to the left of the cams yes control the springs.



  Fig.27 shows, in Zwtion, the c "me .shown / c in fig.9.



  The fis.2'S shows, similarly 3 the fir; .7.7, this same cam after the 'she has. turns' 'from' J0.
Figs. 39, 40, 41 and 42 show, respectively in side view, in section according to 40-40 Fig. 39, in section according to 41-41

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 fig.39 and in section according to 42-42 fig.39, the cam for controlling the high speed clutch, one of the spring control cams and the other of these control cams.



   Fig.43 shows, in section along 43-43 fig.39, one of the control cams.



   Figs. 44, 45, 46 and 47 show, respectively a section according to 44-44 fig. 28 (on a larger scale), a section according to 45-45 fig. 28, a section according to 46-46 fig. 44 and a section according to 47 -47 fig. 44.



   Fig. 48 shows a development of the. cam controlling the flow of water and fingers operating with this cam.



   Fig. 49, finally, shows, in vertical axial section, the drive pulley of the motor mechanism.



   In figs. 1 and 2 the casing of the machine has been shown and which comprises a base 10 suitable for resting on a support, for example on a floor, to which it can be fixed by means of bolts 11. L '. envelope is subdivided, by a 'partition 12, into a right-hand compartment 13 and a left-hand compartment 14. The folded edges of the walls of these compartments are pressed against the partition 12, as visible at 15-and are fixed to that here by welding or in any other way. To the right of the partition 12 is mounted a cylindrical tank 17, the folded edges of its open end (to the left of FIG. 2) are fixed by bolts to the. partition 12.

   Preferably, a seal 16 is interposed between adjacent parts of the vessel, its edge and the bulkhead to prevent water leakage. In the upper part of the tub is formed an opening 18 through which the laundry can be introduced into the tub and released from it and this opening 18 is located opposite an opening 19 made in the upper wall of the tub. compartment 13. Above the two openings is a tilting cover 20 intended to close the opening 19 and in this cover can be established a glass panel 21 for surveillance.

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   The compartment 14 serves as a housing for the motor mechanism and its left wall has an opening normally closed by a flap 22.



   The envelope therefore comprises, to the right of the partition 12, a clean tank. receiving water and washing the laundry is done in this part of the envelope, while to the left of the partition are the drive and control mechanisms.



   In the tub 17 is housed a cylindrical container 25 intended to receive the laundry and which comprises a series of baffles'6, distributed along its periphery :, so that the laundry is dragged in the desired manner during rotation. of the container.



  This comprises end walls 27 and 28 and the external face of the wall 27 is connected to a disc which is wedged on a shaft engaged in a bearing 32. The latter is fixed in an opening made in the end wall. of the tank 17, and beyond the bearing, the side wall of the compartment 13 has an access opening 34 normally closed by a removable cover 35. A detailed description of the bearing and of the neighboring members will be given below with regard to fig. 20.



   On the outer face of the other end wall 28 of the container 25 is mounted a similar disc 37 which forms part of a box 38, in the form of a bowl, in which are mounted the driving members which will be discussed later. pronos of fig. 17. A bearing 40, for the motor mechanism and also for the left part of the container 25, is mounted on the partition 12. The container 25 can therefore rotate in bearings mounted on the partition, and on the outer end wall. of the tank 17. The right-hand end of the tank is supported, in addition, by a stiffening frame 42 which extends downwardly while being fixed to the base 10.



   At one point on its contour, the receptacle 25 has an access opening 44 through which the laundry can be introduced into this receptacle and disengaged from it when the machine is stationary; this opening is located opposite

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 opening 18 and cover 20. A cover 45 is provided for the opening 44 and this cover may be secured, by hinge or otherwise, to the container 25 so that it can be moved apart during removal. washing in and out, after which it can be put back into place when the machine is to operate.



   It should be noted that the motor mechanism may first be attached to the bulkhead 12 and to the container 25 and may then be supported by the motor shaft protruding from it. Then the tank 17 is engaged axially on the container and it is fixed on the partition 12 after which the walls of the compartment 13 are put in place by engaging their assembly on the tank before fixing this assembly to the partition 12. In a manner In general, all the components can be assembled by setting up the motor mechanism, the container, the tank and the walls of the compartment 13 by axial interlocking movements.



   Before describing the mechanism which serves to drive the container 25, it seems useful to indicate, first, in a general way, how the machine works, which will facilitate the understanding of this mechanism. After the laundry has been introduced into the container 25 and after the lids 21 and 45 have been closed, the machine can be started and immediately after the container begins to turn in one direction by making several turns after which its movement is reversed and it does the same number of turns but in reverse. This reciprocating movement of the container continues during the washing and rinsing operations.

   When the machine starts up, water is introduced into the tank whose drain is closed and after the washing operation the water is drained automatically after which the drain closes and clean water is introduced into the tank for a first rinsing.



   Three flushes take place through proper opening and closing of the drain and water inlet. When the final rinse is finished, the water is drained and the machine

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 automatically starts spinning at a much higher speed to perform spinning by a centrifugal effect. After sufficient time has elapsed to be able to spin the laundry in this way, the machine stops automatically and the container is brought, by an angular movement, to a position in which its opening 44 with its cover 45 are located opposite the cover 21 which allows to remove the laundry.



   As visible in figs. 1 and 2, the entire mechanism is driven by an electric motor 50 resting on the bottom of compartment 14. This motor drives a pulley 51 and a belt 52, with a V-shaped cross section. In the upper part of the compartment 14, the belt 52 passes over a large pulley 53 which is wedged on a shaft 54 entering a housing 55 in which the main control mechanism is housed. This housing is fixed by bolts 56 to the partition 12 and the motor shaft, which comes out of the housing to drive the container 25, revolves in a bearing 40.



   The shaft 54 (figs. 3, 4 and 5) is journaled in the opposite walls of the casing 55 and carries a worm 57 engaging with a helical wheel 58, wedged on a shaft 59, the ends of which are housed respectively in roller bearings 60 and 61 mounted in the opposite walls of the housing (figs. 3 and 4). Inside the housing, the opposite ends of the shaft 59 respectively carry bevel gears 63 and 64 which can rotate freely around this shaft and which include sleeves 65 and 66 provided with dogs 67 and 68 on their ends in look.

   Between the two aforementioned pinions and, consequently, between their dogs 67 and 68, the shaft 59 comprises a grooved part 70 on which is engaged a sleeve 71 provided with long ribs or keys on its internal face of so as to be driven by the shaft 59 while being able to slide along the latter. The opposite ends of this sleeve 71 respectively carry dogs 72 and 73 which can penetrate respectively between the dogs 67 and 68 following

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 the direction of axial displacement of the sleeve 71. As a result, if the sleeve is moved in one direction, the pinion 63 is driven and if the movement takes place in the opposite direction, it is the pinion 64 which rotates.



   In the internal face of the sleeve 71 (FIG. 3) are formed pairs of notches 75 and 76, diametrically opposed and which are suitable for receiving each of the balls 77 which are left in a diametral hole 78 of the shaft 59 and which are pressed outwards, into the notches of one or the other pair, by a spring 79.

   Between the pairs of notches, the internal face of the sleeve 71 is given a certain inclination and it results, if the sleeve is moved in one direction or the other, that the balls can be released out of a pair. notches passing over the ramps thus formed and moving. towards the inside of the hole 78 against the action of the spring 79 until, as a result of a certain movement of the sleeve 71, the balls are present near the other pair of notches to automatically enter those - here by the action of their spring.

   Therefore, if the sleeve is moved in either direction, the balls must first compress the spring 79 by a certain amount and pass over the ramps before they can enter the other notches and it As a result, the sleeve 71 cannot be moved axially as long as a certain resistance to this movement has been overcome.



   A second sleeve 82 can slide on the sleeve 71 and turn freely around the latter and this sleeve 82 is displaced axially between two annular cups 85 and 86, respectively mounted near the ends of the first sleeve. These cups serve as a support respectively for one end of two springs 87 and 88 which surround the sleeve 82 and the other end of which abuts against shoulders 89 and 90 formed on this sleeve 82. Consequently, any axial movement of the sleeve 82 relative to the sleeve 71 causes compression of one of the springs or the other, these two springs being subjected to a certain tension.

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 prior consent.

   As the sleeve 82 is moved downward, relative to Fig. 3, it must first compress the spring 88 until its compression has become such that it forces the sleeve 71 to move against the resistance. produced by the balls 77 and when the compression of the spring 88 overcomes this resistance, the sleeve 71 is moved rapidly in a direction in which its dogs 73 come to engage between the dogs 68 of the pinion 64. Consequently, the sleeve 71 is moved in one direction or the other, after some compression has taken place of the springs 87 or 88, as the case may be. As a result, if means are used for moving the sleeve 82, it is possible to drive the pinion 63 or the pinion 64.



   To prevent the sleeve 82 from being rotated when the sleeve 71 is driven, use is made of a threaded lug 91 (fig. 4) screwed into one side of a hollow chasas 92 and the free end of which is engaged. in a longitudinal groove 92 of the sleeve 82. A locking nut 94 (fig.4), engaged on the lug 91, prevents the release of the latter. The frame 92 is held in place by screws 95 (fig.5) engaged in the end wall of the housing 55 and it bypasses the shaft 59 and the sleeves which it carries. On the external face of the vertical side of the frame 92 a bearing surface 96 is mounted on which a large bevel wheel 97 can rotate freely by means of a ball bearing 98. This large wheel 97 constantly meshes with the two pinions 63 and 64 at a time.

   The wheel 97 is fixed by screws 99 on an annular cup 100, the bottom of which is pierced with a central opening and radial teeth 101 (FIG. 3) are distributed along the edge of this opening. At diametrically opposed points (figs. 3 and 6) the outer face of the bowl 100 comprises openings 102 and 103 in each of which is housed a pair of toothed wheels 104 and 105.



   The toothed wheels 105 (fig. 3) are freely engaged on axes 106, each axis being housed, by one end, in

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 a hole 107 made in the body of the bevel wheel 97 while its other end is engaged in a tab 108 (fig.6) projecting outwardly on the cup 100. The toothed wheel 104 is wedged on the hub 109 of the corresponding wheel 105 so that the two wheels are integral with one another and turn at the same time. The toothed wheel 104 has a slightly larger diameter than that of the wheel 105 and if it is assumed that their teeth are identical, it is thus possible to give the wheel 104 one more tooth than the wheel 105.

   This wheel 105 meshes with a pinion 114 which is wedged on a portion 115, of smaller section, of the bearing 96 integral with the frame 92 and it follows that the pinion 114 does not rotate and the toothed wheel 105 rolls around the toothed contour of this pinion.,
In the bearing 96 is freely housed a sleeve 120 which carries, at one end, a pinion 121 meshing with the toothed wheel 104.

   The opposite end of the sleeve 120 serves as a housing for a lug 122 which is tightly fitted or keyed in this sleeve so as to rotate with the latter and this lug carries, beyond the corresponding end of the sleeve 120, a eccentric cam 123 which can rotate in a ring 125 whose internal face is cylindrical and is in eon, taot with the horn 123 while its external face has a square contour and is engaged between the peripheral edges 126 and 127 of the sleeve 72.



   The mechanism, as described, allows the bevel gears 63 and 64 to be driven alternately and to operate the large bevel wheel 97 first in one direction and then in the other, the arrangement being such that this wheel 97 is driven first to make a certain number of turns in each direction before the reversal of the direction of travel takes place. This will be understood with the aid of the additional description of the operation given below. When the worm 58 turns in one direction, the shaft 59 is driven in the same direction and so is the sleeve 71. When the dogs 67 and 72 are engaged, the large bevel wheel 97 rotates while the toothed wheel 105 rolls on

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 the toothed periphery of the fixed gear 114.

   Therefore, the wheel 105 rotates around its axis and at the same time it is driven around the axis of the wheel 97. When the toothed wheel 105 rotates, it drives with it the wheel 104 which rolls around the outline of the pinion 121. Since this pinion 121 has one tooth less than the pinion 114 and horns the wheel 104 one more tooth than the wheel 105, the pinion 121 is driven at a lower speed than the angular speed of the large bevel wheel 97. It as a result, the lug 122 and the eccentric cam 123 rotate very slowly.



  After a certain time, the cam 123 will have moved the sleeve 71 over a sufficient length for the dogs 67 to be disengaged from the dogs 72 and for the dogs 75 to have entered between the dogs 68. At this time, the large wheel 97 start turning in the opposite direction and the eccentric cam slowly turns in the opposite direction until it moves the sleeve 71 again.



   When the sleeve 71 occupies the position shown in figs. 3 and 4, the right spring 87 undergoes a greater compression than the left spring 88 and as a result, during a substantial part of the movement of the eccentric cam 123, the sleeve 71 remains in its right position for which the dogs 67 and 72 are engaged. At a predetermined point in the movement of the cam, the effects of the two springs are neutralized but the sleeve 71 still remains stationary for 1, this reason the balls 77 are housed in the notches 76.

   Any further movement of the cam 123 causes compression of the spring 88 and when the latter has undergone a certain degree of compression, the spring pressure exerted on the balls 77 is overcome and the sleeve 71 is moved to the left of. so that the cups 68 and 73 penetrate one between the wineskins. When the menchon 71 has been thus moved, the balls 77 engage in the notches 75, keeping the sleeve in place.



   It can be seen from figs.lE and 5 that the anchor 180 and the pinion 121, engaged on the end thereof, form at exu two a journal for a rib shaft. 130 extended by a

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 cylindrical part 131, of smaller diameter and which is engaged in said sleeve 120 and said pinion 121. The ribbed part of this shaft is engaged in a coupling sleeve 132, the internal face of which has grooves in which are housed the ribs of the shaft 130. One end of this sleeve 132 carries teeth 134 which are clean to be engaged between the teeth 101 of the cup 100 when the sleeve 132 is moved to the right of FIG.

   The sleeve 132 of the clutch has a part 136 screwed onto its end opposite to that where the teeth 134 are located and this part 136 comprises a radial flange 137. A ring 138 is freely engaged on the sleeve 132 and this ring comprises also a radial flange 139 adjacent to the flange 137 while being spaced therefrom. A ball bearing 141 is established between the two flanges so that the. ring 138 can be used to control a clutch while being able to rotate freely on the sleeve 132 thereof.

   The shaft 130 passes through the side wall of the housing 55 and is journaled in the hub 146 of a toothed wheel 147 and this hub can rotate in a ball bearing 148 housed in a cage 149 which, in turn, is immobilized in an opening in the side wall of the housing.



   The shaft 130 bears, on the interior side of the. toothed wheel 147, a flange 150 made integral with a clutch ring 152 provided with an axial flange 153 in which are formed axial slots 154 distributed along its periphery. A series of clutch discs 156 surround the rim 153 in the axial direction and these discs carry radial projections 157 engaged in the slots 154 so as to force the discs to rotate with the ring gear 153. On the toothed wheel 147 is pre- seen a similar axial flange 160 provided with axial tents 161 and a series of clutch discs, 163 are housed in this flange 160 with radial protrusions 164 engaged in the slots 161.

   The discs of member 152 alternate with those of toothed wheel 147 in the usual manner and when these discs

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 are clamped axially against each other, it is obvious that the two members are frictionally connected to each other so as to rotate together.



   In order to press the clutch discs axially on each other, a ring 165 is used which presses on the outer disc made integral with the toothed wheel 147 and this ring comprises a rib 166 with a relatively acute angle on its. outer face to come into contact with a conical spring 167 constituted by a disc.

   The periphery of the disc is engaged in an annular groove 170 formed between the end of the flange 160 and the ring 171 screwed onto this flange while its inner edge is radially engaged on the flange 137 of the control sleeve 132 of the. When this sleeve 132 is moved axially to the left, with respect to FIG. 3, the inner edge of the disc 167 flexes axially, while its outer edge remains immobile so that an intermediate part of this disc pushes back the clutch. bush 165 and clamps the clutch discs against each other.

   A coil spring 172 surrounds the shaft 130 between its ribbed part and the flange 150 and normally forces the clutch sleeve 132 towards its disengaged position, that is to say towards the right, for which the teeth 101 and 103 are not engaged. The means for obtaining the displacement of the sleeve 132 to the left will be described below with reference to the automatic control device for the operation of the washing machine.



   The outer edge of the toothed wheel 147 has teeth 175 which mesh with a toothed wheel 176 mounted on the end of the motor shaft 54. When the wheel 147 is constantly engaged by the shaft 54 and when the control sleeve
132 of the clutch is moved to the left to clamp the discs against each other, the toothed wheel 147 acts to drive the shaft 130. On the other hand, if the sleeve 132 is forced to the right by the spring 152 , the shaft 130 is released from the toothed wheel 147 but will be linked, in drive, to the

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 cup 100 by the engagement of teeth 101 and 134. In this case, the shaft 130 is driven by the large toothed wheel 97.

   Finally and depending on the position occupied by the sleeve 71, this wheel 97 turns sometimes in one direction and then in the other so that the a.rbre 130 will be driven first in one direction and then in the other when the clutch 132 is moved to. the right.



   We see in figs. 2 and 17 that the shaft 130 passes through the partition 12 and the bearing 40 and enters the compartment containing the receptacle 25. Its projecting end has teeth-or ribs 180 which are engaged in grooves provided on the internal face. of a sleeve 181. The ribbed end of the shaft 130 and the sleeve 181 engaged thereon are both housed in a central opening of the box 38 fixed to the container 25. In this box is housed a elastic drive member for connecting the shaft 130 and the sleeve 181 to the tank and this drive member comprises a helical spring 183 suitable for driving said tank in one direction and a similar spring 184, but wound in reverse direction, to pull the bowl in the other direction.



   As clearly visible in figs. 17, 18 and 19, at the outer end of the spring 183, a hook 185 engaged on a lug 186 which passes through tabs 187 and 188 of an annular part 189 with a D-shaped section is made to include. . ' U, which is rigidly attached to the box 38 by soldering. In this way, the outer end of the spring is connected to the. box and container 25.



  In the internal end of this spring is formed a notch 190 (fig. 19) in which is housed a lug 191 provided on a projection 192 integral with the sleeve 181. It can be seen more specifically in fig. 18, if the sleeve is driven in the dextrorotatory direction, that the inner end of the spring 183 moves with the sleeve and that, by means of this spring, the container 25 is driven or moved.

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A second spring 184 also has a notch 194 in its inner end in which is housed a lug 195 provided on the opposite side of the sleeve 181 so that, when this sleeve is driven in the other direction, the second spring will also be driven.

   The outer end of the spring 184 comprises a hook 198 engaged on a lug 199 also connected to the tabs 187 and 188 of the annular part 189 so that the second spring 184 can act on the container. As a result, the shaft drives the container by a coil spring in either direction so that if the shaft comes to a sudden stop or if the container encounters a large resistance while rotating, the drive will be damped and will allow a certain relative movement to avoid any deterioration which could result from a sudden stop or from starting too suddenly.



   The box formed by the disks 37 and 38 is fixed to a flange 200 (fig. 17) which forms part of a sleeve 201 journalled in a ball bearing 202 which forms part of the general support 40 referred to above. The ball bearing is held on the sleeve 201 by a split ring 204 housed in a groove formed in the end of the sleeve and resting on the internal cage of the bearing and the latter is held in place by the sleeve 149 which is connected to the housing 55 containing the driving mechanism. A suitable gasket 205 prevents leakage of water along the sleeve 201. The bearing 132 (Fig. 20), established on the other side, of the container 25, includes a sleeve 210 attached to the end wall 42 and this sleeve. maintains a ball bearing 211 which receives a shaft end 212 connected to the disc 29 forming part of the container 25.

   On the internal face of the sleeve 210 and at a location between the ball bearing 211 and the container 25 is provided a radial flange 213, oriented inwardly, as well as an axial wall 214. Between this wall 214 and the shaft 212 is established a seal 216. A washer 217, carrying teeth 218 and 219 at diametrically opposed points of its periphery

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 elt which are engaged respectively in slots formed in the axial wall 214, serves to exert axial pressure on the seal 216 to clamp the latter against the flange 213 and against the wall 214 while preventing the rotation of the seal by the con- tact of its end with the disc 29 forming part of the wall of the container 25.

   A ring 222, interposed between the washer 217 and the disc 29, serves to exert pressure on the seal. At its outer end, the sleeve 210 has a radial flange 225 which is fixed, by bolts 226, to the wall 42 of the compartment 13.



   At its outer end the shaft 212 is engaged in an arm 227 which is forced to rotate with the shaft and which is held in place by a nut 228 engaged on the end thereof. At the free end of the arm 227 is established an axis 230 which passes through a ring 231 housed in the end of a connecting rod 232.



  A head 233, integral with the axis, serves to hold these members in place on the arm 227 while allowing the rotation of the connecting rod 233 with respect to said axis. The connecting rod 233 (fig.l) is connected, at its opposite end, by a long helical spring 235 attached, at its other end, to a lug 236 fixed to the wall 42.



  The spring 235 presents a preliminary tension and biases the container 25 towards a position such that the spring and the connecting rod 233 are in alignment with the axis 212, as visible in fig.l. It should be noted that, when the spring and the connecting rod occupy these positions, the opening 44 of the container 25 is at the top of the machine and, therefore, in view of the openings made in the tank and. in the casing so that, when the cover of the casing is removed, the container cover is at the top and below the opening in the top wall of said casing.



   The water is introduced into the tank 17 through two conduits 240 and 241 (figs.ll and 22), the conduit 241 containing the cold water

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 and the hot water pipe 240. These conduits lead to fittings fixed on the rear wall of the casing. The two water conduits are connected to a mixer distributor 244 controlled by a thermostat and which will be discussed below when the control means by which the cyclic operation of the washing machine is obtained will be explained. A single discharge conduit 245 leaves from distributor 244 and this conduit is connected to a copper tube 246.



   It can be seen from fig.21 that the copper tube 246 leads to a float control 247 comprising a box 248 with a rubber diaphragm 249 pierced with a central opening 250. The diaphragm is held in place by a threaded sleeve. 252 which is screwed into the lower end of the box 248.



  A tubular member 253 bears against the upper face of the diaphragm and the end of this member is fixed to a tubular projection 254 provided on the box. The protrusion, in turn, is connected to a tube 255 terminating at the top of the vessel via a fitting 256 which passes through the bulkhead 12.



   Below the diaphragm 249 is fixed to the box 248 a float chamber 260 which contains a float 261 whose rod 262, mounted on its upper face, supports a conical needle 263. The rod 262 passes through a seal 264 housed in the opening of the sleeve 252 and the needle can close the opening 250 in the diaphragm. The lower end of the float chamber is connected to a conduit 265 which leads to a fitting 266 connected to the lower part of the tank. As a result, the water level in the tank controls the position of the float.

   This has on its underside a connector 270 which can slide in a hole made in a part 271, in the form of a bowl, and fixed to the bottom of the float chamber, this part being pierced with holes to allow the passage of water. Tube 246, coming from the thermostatically controlled distributor, is connected to boot 248 at a point ¯ above the diaphragm and when the organs occupy h

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 In the position shown in fig. 20, water from line 246 cannot enter the vessel since the diaphragm is pressed upward against the lower edge of tubular member 253.

   If the water level drops in the tank, the float 261 is moved downwards, and the diaphragm follows this movement as a result of the pressure exerted by the water on its upper face. As a result, the diaphragm moves away from the lower edge of the tubular member 253 and water can flow into the vessel.



   To the mixing distributor 244 terminates a conduit 241 for cold water and a conduit 242 for hot water and from this distributor the water flows through a discharge conduit 245 and the copper tube 246. It is carried out. see in fig. 14 that the mixing distributor comprises a box with two compartments 273 and 274, the compartment 273 having annular passages 275 and 276 formed in its side wall while the compartment 274 has similar annular passages 277 and 278.

   The hot water conduit 240 communicates with the two annular passages 275 and 277 while the cold water conduit 241 communicates with the two annular passages 276 and 278, the flow of water from the annular passages into the compartment. 273 is regulated by a drawer 280 which can adjust, in a variable manner, the quantities of hot and cold water which enter this compartment according to the position given to the drawer.



   A cover 281, connected to the drawer, comprises an adjustable rod 282 screwed into said cover and this rod is connected to a thermostatic element 284. A spring 285, bearing on the cover 281, tends to move the drawer to the left of FIG. 14 and a second spring 286 intervenes to facilitate the movement of these members, in an opposite direction, when the movement is permitted by the thermostatic element. The latter is not part of the invention and therefore does not need to be described in detail. In compartment 274 is housed

  <Desc / Clms Page number 20>

 a similar drawer 288 controlled by another thermostat 289.

   The two thermostats are set differently to handle '? that the water admitted into compartment 273 has a temperature of about 60 ° C. while the. temperature of the water in the second compartment is about 38 C.



   Beside the compartments 273 and 274 is provided a passage 292 which ends in the conduit 245 through which the discharge of water takes place and the passage 292 is provided with a water inlet 293 through which the water can arrive from the compartment 273 and a second water inlet 284 for receiving water from compartment 274. Inlet 293 can be closed by an elastic diaphragm 296 and inlet 294 by one. diaphragm 297.

   In the event that, as shown, the diaphragm 296 is deviated from the inlet 293, the water flows out of the compartment 27 3 through a passage 298 which is beyond the passage 292 and bypasses the diaphragm away from its seat to terminate at passage 292. Water from compartment 274 flows through an annular passage 299 and if diaphragm 297 is moved away from its seat water can flow into passage 292.

   It follows from what proceeds that each compartment can supply water at a different temperature and that, depending on the positions occupied by the diaphragms, the water supplied to the tank can be either low temperature or else. at high temperature * Automatic means for adjusting the positions of the two diaphragms ;, so that water is supplied to the. tank. appropriate times, will be described below.



   To refer at. again in fig.l, the water is supplied to the lower part of the tank by a connector 310 which is connected to a tube 311 ending in a tubular member 213 mounted on a filter box 313. A second tubular member 314, starting from this box, is connected by a conduit 315 to the inlet 316 of a pump 317 (fig.15) which comprises a casing in- 'two parts 319 and 320 interconnected by screws 321. The - part 319 of the certer comprises a bearing 322 in which is turn it- n

  <Desc / Clms Page number 21>

 Lonné the shaft 324 on which is fixed the hub 325 of several fins 326.

   The outer end of the shaft 324 carries the pulley 327 which drives the pump rotor. A seal 328, housed in the housing and engaged on the shaft 324, prevents water leakage.



  Pulley 327 is driven by a V-belt 330 engaged on a second pulley 331 wedged on motor shaft 50. As a result, the rotor rotates constantly when the motor is running.



   ] The second part 320 of the housing comprises a nozzle 332 which ends in a valve box 333 which communicates with the nozzle 332 by an opening whose edge forms the seat 334 of the valve 335 with a rod 336 which passes through a cover 337 screwed into the upper end of the. box. A coil spring 338 surrounds this rod and is housed in a tubular extension 339 of the cover to urge the valve 335 towards its closed position.



   When valve 335 is open, water is pumped out of the tank through line 331 leading to the filter box and then flows into box 333 and passes through valve 335 and pump 317 to be discharged, finally, by the coupling 340 which connects the casing of the. pump to a drain.



  It follows from the above that the water is drained out of the tank when the valve 335 is open and that the drain can therefore be done, at appropriate times, by simply opening it. of the valve.



   To summarize, in general, the operation of the mechanism described so far, we can say that we have an electric motor, which operates constantly during washing, an inverter which turns the container containing the laundry sometimes in one direction and sometimes in the other, a clutch which interrupts the connection between the inverter and the container and connects the latter to a high-speed drive to make it turn at a high speed to spin the laundry, and a pump which is driven continuously to drain - the tank at desired times under operational control

  <Desc / Clms Page number 22>

 of a valve.

   There is also a control for mixing the water, to supply water to the tank and to the desired temperature, as well as a float control which prevents the penetration of water into the tank. tank after which it has reached a certain level in it. The operation of the washing machine is automatic after it has been started up and until the washing is finished and the automatic control by which the various operations are obtained in the desired order will be described below.



   When the motor supply circuit is closed, the container containing the laundry begins to rotate immediately first in one direction and then in the reverse direction and the drain-pump begins to rotate but the valve, which adjusts the evacuation of water out of the tank is closed. When the motor has just been supplied, water at the desired temperature enters the tank and continues to be admitted into the latter during washing until its flow is stopped by the float control or under the control of the mixing distributor.

   When the washing has lasted for a predetermined time, during which the container is driven sometimes in one direction and sometimes in the other, the drain valve of the pump is opened automatically and the water flows rapidly out of the tank. , well the pump is running.



  Shortly after, clean water begins to enter the tank as a result of the automatic operation of the mixing distributor and the drain is closed. The water inlet is then interrupted for a short period, the laundry is rinsed afterwards or the drain valve opens again to allow this water to drain. When the water is substantially drained from the tank, clean water is again admitted into the tank and a second rinse occurs. The inlet is then closed and when the rinsing has taken place for a certain time, the drain is opened and this water is discharged.

   A third rinse takes place in the same way and after that the. valve - drain remains open while the intake manifold

  <Desc / Clms Page number 23>

 remains closed.



   After the third rinse, the clutch by which the high speed drive of the container containing the laundry is obtained is engaged and, while the water can flow out, the laundry is spun by centrifugal force. The clutch is then returned to an intermediate or neutral position and the engine stops. The laundry can then be removed from the container. Automatic machine control is achieved as follows.



   We see, in figs. 4 and 5, that the casing 55 comprises a hollow cover 341 fixed thereto by screws 342.



  In this cover is housed a control or camshaft 343 which can rotate in bearings 344 and 345 provided at the opposite ends of the cover 341 and fixed thereto by screws 346. This shaft is driven at a speed very small, by an arm 347 which enters the casing 55 and whose lower free end is engaged in a groove 348 formed in the upper part of the sleeve 82 and it should be noted that this engagement of this end in the groove is made automatically when the cover 345 is fixed on the housing 55. It is recalled that the sleeve 82 is first moved in one direction and then in the other when the movement of the container 25, containing the laundry, is reversed, and during this reciprocating movement of the sleeve the oscillation of the arm 347 is obtained.



   It can be seen in FIG. 4 that the arm 347 comprises a cylindrical opening 350 in which is housed a driving and cylindrical member 351 wedged at 352 on the camshaft 343 (FIG. 5). Above the driving member 351, a groove 353 is formed in the arm 347 and the outer edge of which forms, together with the lateral face of the driving member 351, a tangential notch whose edges diverge slightly. in the dextrorotatory direction. In this notch is housed a roller 355 biased in the levorotatory direction by a spring 356 which is located in a hole 357 made in the arm 347.

  <Desc / Clms Page number 24>

 



   The arm 347 is normally biased, in the levorotatory direction, by a spring 360 which bears on the upper extract of the arm and which is housed in a sleeve 361, screwed into the cover 341. The angular movement of the arm, in the direction levorotatory, is limited in an adjustable way by a stop
 EMI24.1
 adjustable 56 ?, screwed into the cover 341 and of which! 5extr, emi- ('internal is suitable to come into contact with the arm in a noint below the shaft 343.

   When the machine is running and the sleeve 82 is in its right-hand position (fig. 4), the. arm is held in its right position by spring 300. Ound the sleeve 83 is then moved to the left, the arm 349 rotates in the dextrorotatory direction around the axis of the shaft 343 and
 EMI24.2
 as the roller 355 gets wedged between the face 1-> ter? .l.e of the driver 351 and the wall 354 of the arm groove '47, this member rotates with the br2, s.

   This results in ('1Je the shaft 543 is driven in the same direction: but following a mov 7e.::elxt pn- glJlpire of low amplitude. 1.11 = x> n <Î le '1al1CDOn 82 se elfpl.C8 to 1 ;; Right, the arm 47 follows this movement and turns freely around the drive member 351 (since the roller 355 is erased) until it is stopped by the stop 362.
 EMI24.3
 



  As can be seen in figs.5 and 7, the input organ a51 comprises a head 364 in which is rntn ”'cg6e it-does not notch 365 in a similar substance to the notch 553 of the 1w' = 's 347 and in which is housed a second roller 366 biased in the levorotatory direction by a spring 367. The movement of the head 364 in the levorotatory direction is prevented by a stop
 EMI24.4
 adjustable 68, screwed into the cover F41, and the 1i101PTCf'1Snt of the head, in the dextrorotatory direction, is prevented a second stop 369, screwed into the opposite wall of the cover.

   The
 EMI24.5
 head 364 therefore allows the dextrcgyre rot2.ticn of the trainer 351 but prevents the levorotatory movement of the latter. When the arm 347 rotates in the dextrorotatory direction, with respect to fig. 4, it drives the member 351 and the shaft 343 but the movement in the opposite direction, of the driving member 351, is prevented.

  <Desc / Clms Page number 25>

 by the head 364. As a result, the driving member 351 and the shaft 343 are driven, in the dextrorotatory direction, following small amplitudes and that the movement in the opposite direction of the shaft 341 is positively prevented.



   In FIG. 5 it can be seen that the driving member 351, the shaft 347 and the head 364 are assembled by rings 370 and 371 engaged on the ends of the driving member 351, together with a central part 372, of larger diameter, of the driving member 351.



   The shaft 343 (fig. 5) carries, immediately to the left of the drive mechanism described above, a cam 375 which is engaged with a long key using two diametrically opposed grooves 376 and 377 formed in the edge of the opening of the cam 375 and of a pin 378 passing diametrically through the shaft 343. In the right end of the cam 375 is formed a notch which forms between the side wall of this cam and the shaft 343 an annular gap in which is housed a helical spring 379 engaged on this shaft and which bears on the bottom of this notch and on the ring 371. This spring normally biases the cam 375 to the left.

   The left end of the cam 375 abuts against a head 380, of substantially rectangular outline and which is mounted on the lower end of a rod 381 which can rotate in the hub 382 of a toothed wheel 383 and which is journaled in a boss 384 forming part of the cover 341. The lower face of this head 380 has two concave notches 385 and 386 (FIG.



  16) of different lengths and which intersect at right angles and these notches can each serve as a housing for the upper part of the shaft 343.



   The rod 381 is biased downwards by a spring 387 which bears on the lower end of the hub 382 and ¯ on the head 380 so that the latter is resiliently applied to the shaft 343. The cam 375 ( fig. 5) is held against the large face of the cam 375 and therefore occupies an axial position

  <Desc / Clms Page number 26>

 fixed but if the rod 381 is rotated, the rod rises enough to allow the head 380 to be rotated by an angle of 90 so that the longer notch 386 engages the upper part of the shaft 343. By this movement, cam 375 is moved laterally to move closer to ring 571 and is then held in this position until rod 381 has turned 90 again.

   It should be observed that the rod 381 can be moved upwards by the hub 382 and that its upper end is connected, by a slot and rib connection, to a rotary member 588 which protrudes from the upper end of the hub 382 and which is terminated by a square end 389 with the help of which it can be rotated.



   Cam 375 controls the water inlet and its general operation is shown in Figs. 11-14 and 22. Mixer distributor 244 is mounted on cover 341 at a point adjacent to cam 375 and comprises two plungers 400 and 401 which can slide in openings made in the wall of the cover and they end near the cam 375. The internal ends of the plungers 400 and 401 bear respectively against rods 402 and 403 which in turn are respectively in contact with the central parts of the diaphragms 296 and 297. These rods have conical internal ends which can close the holes made in the central parts of the diaphragms at the same time that the latter are forced back to their closed positions.

   When each of the rods is free to move, a spring 404 engaged around this rod causes it to move in the reverse direction so that the passage is open.



   The plunger 401 can be moved by a double bent elastic member 405 while the plunger 400 is solicited by a similar elastic member 406. These members are fixed to the internal face of the cover being spaced apart from one of the ends. another and the elastic member 405 comprises a finger 407 which is in contact with the plunger 401 while another finger

  <Desc / Clms Page number 27>

 408 presses on the contour of the cam 375. The elastic member 406 carries a finger 409 which presses on the plunger 400 while its other finger 410 is also in contact with the periphery of the cam 375 while being axially separated from the plunger. finger 408.



   Cam 375 is shown, in cross section, on. figs. 11, 12 and 13 and has four axial grooves which do not extend from one end of the cam to the other. These grooves control the distribution of water, during the operation of the machine in the following order. The groove 412 causes the first entry of water and it terminates near each end of the cam. When the latter is therefore in an axial position similar to that of FIG. 5, the finger 408 is engaged in the. groove while the finger 410 is engaged on the solid end of the cam beyond the other end of the groove. If the cam is brought to its other position, finger 408 cannot enter the groove while finger 410 can enter it.

   This notch controls the first admission of water into the tank and for this reason only one of the fingers can enter this groove and only one of the passages of the mixer-distributor is open.



   The cam 375 is then moved, in the dextrorotatory direction, beyond the groove 412 until the next groove 413 reaches the fingers 408 and 410. This groove is substantially the same as the groove 412 and it ends in proximity to both ends of the cam. As the fingers pass from one groove to the other, they slide over the larger diameter side face of the cam so that both passages are closed and washing is done while the fingers are lying. between the two grooves. When the groove 413 reaches the fingers and when the. cam is in the position shown in fig.5, only: the finger 408 can enter the groove to allow water to enter the tank.

   If the cam occupied its other position, the finger 410

  <Desc / Clms Page number 28>

 
 EMI28.1
 provoouereit the water intake. The third groove 414 differs from the first two in this sense that it is nro] ¯ç-ng ", 11JS (11), the left side of In cam, with respect to 1, - fig. 5, ending in proxi..r'li t ,: of otter extr, mît- of Ip cc, "ne. In this case, the finger 408 enters the groove olJellE'- ll1Je is the position occupied by the cone and the finger 410 does not yet engage in this groove. Consequently, the water inlet is always com2nde. by finger 408. Ln nuatrime r..in1Jre 41Î-. is analogous to groove 414 and in this case, g ^ 1¯ewent, it is always finger 403 yes command.



  In general the es.v can first ppn-'trer dl1s 1 "tank when a finger 408 or t], 10 is found 81) melts of the r" '.' Í.ll1JN '413.



  Lp ring is then moved angularly, -1ent and the 1.x = oqe 2 1.i.e17 while the cam 375 moves the groove 412 away from the fingers 408
 EMI28.2
 and 410 and the groove 413 approaches them. 0U8no iJn finger engages in groove 413, e8u is, new, admitted into the tank. When the cam continues its "'ol1Vp'eY1t, the arrival of the av is interrupted and a first rinsing in the middle during the passage from the groove 413 to the groove 414. Three rinsings take place successively and when the groove 415 is --car-
 EMI28.3
 finger 408, there is a spinning pello8nt lenuel the drain remains open.

   The organs are arranged in such a way that, when the cam 375 occupies its position, on FIG. 5, the finger 408, which is in contact with the plunger 401, fully controls the water inlet and the latter is then supplied to a temperature of 38 ° C. During this time, the other finger 410 slides without effect on the other end of the cam without entering any of these grooves. On the other hand, if the cam is moved axially to its other position, the admission of water is obtained by means of the finger 410 and the plunger 401 for washing and for the first rinsing and, for this reason. , water is admitted at a higher temperature, for example at 60 C, at. during these two operations.

   The second and third flushes are controlled by the other finger 408 and

  <Desc / Clms Page number 29>

 by the plunger 401 so that water, at the lower temperature, is supplied for the second and third flushes.



   To the left of cam 375 (fig. 5), Marbre 343 carries a second cam 417 wedged on this shaft by a key 418.



   This cam carries a ring gear 419 which meshes with the teeth 383 provided on the lower end of the sleeve 382 and it follows that, if the latter is rotated, the cam 417 is driven and the sleeve is rotated. 'shaft 343. In this way, the various laundry operations can be carried out successively by rotating the sleeve 382 around its axis.



   The cam 417 (fig. 6) has bosses 420, 421,
422 and 423 and between these are depressions 424, 425, 426 and 427.



   The contour of the cam is in contact with a plunger
430 which can slide in the wall of the cover 341 and its inner end is suitable for passing over the bosses and in the recesses as the cam rotates. The outer end of the plunger 430 contacts the projection 431 of an arm 432 which is hinged at 433 to the cover. The outer end of the arm
432 is connected, by a connecting rod 435, to the upper end of the drain valve 336. This articulated connection is such that, when the plunger 430 engages in a hollow, the drain valve, mounted on the pump, closes and-that when the plunger is at the top of a boss, the drain is open.



   To the left of the cam 417, a third cam 440 is wedged on the camshaft 343 using a key 441. A side face of the cam 417 is clamped against a thrust bearing 442 which is supported on a ring 443 shouldered against the internal face of the bearing 345 of the shaft 343. The opposite face of the cam 417 (figs. 9 and 10) comprises a raised step 444 flanked on either side by ramps 445 and 446. A notch 447, with a rounded bottom, is provided between the step 444 and the ramp 445 and # = when a roller 450 is engaged in this notch, the sleeve 132 and the other components of the clutch

  <Desc / Clms Page number 30>

 come to occupy their intermediate or neutral position for which the shaft 130 is completely released from its drive mechanism.

   The cam 440 (fig.9) is in contact with the glet 450 mounted on the upper end of an arm 451 articulated to a pivot 452 which is engaged in opposite walls of the housing (fig.6). The lower end of this arm 451 forms a fork 453 whose branches overlap the sleeve 132 of the clutch.



   When the roller 450 is engaged on the step 444 (Fig. 9), the sleeve 132 is moved to the left against the action of the spring 172 and the container 25, containing the laundry, is driven at a high speed. By the ramp, established at each end of the step, the clutch is gradually applied so that the passages of the drive from reciprocating rotation to high speed and vice versa take place gradually. The notch 447 and the ramp 445 make it possible to obtain an adequate speed reduction when the container 25 reaches the end of its rotation for the spinning.



   The cam 440 has a notch 455 (figs. 5 and 6) at its periphery and this notch can engage the rounded end of a member 456 forming part of an electrical switch 457 established in the power supply circuit. - tion of the engine. When the member 456 enters the notch 455, the circuit is interrupted and when it comes out of the notch and engages on the contour of the cam 440, the motor is powered.



  Note that the cam 440 can be moved angularly at the start, by rotating the sleeve 382 to advance the cam sufficiently until the motor starts and as soon as the motor is running, all components are driven by it and are controlled by the camshaft.



   It was explained above that the sleeve 382 (Fig.5) can be actuated to rotate the shaft 343 so as to start the mechanism or to advance its operation. It has also been said that the sleeve 388, which can rotate in the sleeve 382, can intervene to make

  <Desc / Clms Page number 31>

 vary the temperature of the water supplied to the. tank. The operation of these two control members is obtained with the aid of the operating devices which pass through the upper wall of the casing (fig.23). To rotate the sleeve 382 it is connected to a tubular part 465 which ends near this upper wall where it is connected to the tubular extension 466 of a bolt 467 and which passes through said wall.

   By rotating this knob, the sleeve 382 and the toothed wheel 383 mounted on its lower end can be moved angularly and at will.



   The connecting member 388 is housed in a socket formed at the lower end of a rod 468 which can rotate in the tubular part 465. The upper end of this rod 468 passes through the tubular extension 466 of the button 467 and this end carries a second button 469 which can be displaced angularly in a notch 470-formed in the first button 467. The two buttons are connected to each other by balls 471 with springs housed in notches in view formed in the faces adjacent two buttons. The notches provided in the inner edge are deep enough to allow the radial compression of the springs and the recoil of the balls when fitting and removing the inner knob.

   These springs also allow the relative displacement of the buttons so that each actuator can be actuated independently of the other.



   To understand the general operation of the washing machine, reference is preferably made to FIG. 8 which shows the various cams and the members controlled by the latter superimposed on each other. We admit that the. The machine is stopped and the switch member 456 is engaged in the notch 455 which interrupts the motor circuit.



  When these members occupy this position, the finger 408, which controls the water intake, rests on the side face, of larger diameter, of the cam 375 but is about to

  <Desc / Clms Page number 32>

 enter the groove 412 when the cam is driven in the dextrorotatory direction. At the same time, finger 430, which controls the drain, is on boss 420 so that the drain is open. The roller 450 is located at the bottom of the ramp 445 of the cam 440. To start the machine, the operator turns the knob 467 in a direction in which the camshaft 343 and the cams turn clockwise. and the initial and small amplitude angular displacement of this shaft, obtained in this way, releases the member 456 of the switch from the notch 455 and the motor starts.

   From this moment and until this member 456 again enters the notch 455, the operation becomes entirely automatic.



   The initial angular displacement of the cam 375 causes the finger 408, which determines the admission of water, to enter the groove 412 after which water, at a determined temperature, is obtained to flow into the tank. Just before the opening of the passage for the entry of water, the plunger 430, which controls the emptying, descends from the boss 420 of its cam and enters the recess 427 which closes the drain valve. At about the same time the receptacle 25, containing the laundry, begins its reverse movement so that the laundry is drawn in a number of turns, first in one direction and then in the other, preferably seven or eight. turns in each direction.



  During this operation, the tree at. cams rotate slowly and after it has moved through a certain amplitude, finger 408 comes out of groove 412 and the water supply is interrupted. The inversion movement of the container then continues for about fifteen to twenty minutes in order to obtain a neat wash of the laundry.



   When the camshaft has turned sufficiently, while the washing is taking place, the plunger 430, which controls the emptying, begins to close the latter by mounting on the boss 421 of the cam 417. The water then flows out. out of the tank and when-almost-

  <Desc / Clms Page number 33>

 almost all the water has been pumped out through the drain, the finger 408 enters the second groove 413 which allows clean water to enter the tank and at about the same time the plunger 430 enters in the recess 424 to close the drain valve. The first flush then takes place and continues as cam 417 rotates until plunger 430 has disengaged from recess 424 to open the drain.

   The water is then rapidly pumped out of the tank and when the water is drained, the plunger 430 enters the next hollow 425 to close the drain and, at about the same time, the finger 408, which controls the valve. water intake, enters groove 414.



  A second flushing then occurs and continues until the drain valve opens under the control of boss 423, it being understood that the inlet passage closes when finger 408 engages the valve. side face of the cam 375 after leaving the groove 414. After the third flushing, which takes place, when the finger 408 enters the groove 415 and when the plunger 430 is in the recess 426, the finger 408 engages on the large diameter side face of its cam 375 to close the water inlet passage, while the drain opens at about the same time as the plunger 430 engages the boss 420. The water inlet passage remains closed for a period of six or seven minutes and the drain remains open the entire time.

   At about the time when the inlet passage is closed after the third flushing, the roller 450, which controls the clutch, for the high-speed drive, engages on the ramp 446 and causes the clamping of. this clutch. Under these conditions, the inversion movement of the receptacle is interrupted and it begins to rotate at its high speed for the spinning and this movement continues until bare the roller 450 has reached the notch 447 of its control cam. 440 and at about the same time notch 455 reaches switch organ 456 and the engine stops.

   The receptacle 25, containing the laundry, is quickly stopped by the spring 235 and

  <Desc / Clms Page number 34>

 in this position its opening 44 is in substance,
 EMI34.1
 facing the opening in the wall s1Jv The laundry is then ready to be taken out of the zip rr.2, ch: i.ne and to. be s / 'ch, "hanging from the rope.



  The washing of the laundry is the same as that described above in the case where the cam 575, yes coîi-mpnde the water inlet, is moved axially to its other position. In these we get the feed with water 8 l'ne tF.m = 74ra, tvr; higher during the first two phases of operation, ie for washing and for the first rinsing. 'near what occurs the passage through which the water to. a lower temperature is introduced for the second and third
 EMI34.2
 rinsing. This control mode is desirable for iconoi; 1.sa> r hot water during the last two rinses while:) 0rretains the intervention of the water at temperature! High naked ['ncl' is necessary for washing.

   It is generally desirable to use, for the telp8ro t1: # 8 raised, water 2 about 0; Ooc for washing ordinary laundry and to have recourse; a lower temperature of 38 C for washing woolen parts.
 EMI34.3
 F, n other words, the c>; <e 375 occupies a position nl10f1c1. woolen items are washed and its other position for ordinary laundry.
 EMI34.4
 



  He said that the water is drained to traders .in filtra 313 (fig. 1) and this is shown in detail in figs. 24 to 27.
 EMI34.5
 



  Tubular or¯r, nes: .1¯: and? LA (Pr. ';') C'hnuc ,,,? T in an extrwïte of a box whose extract "'or"' 0se is lOg08 l7f '21, an opening 476 r) 1 "nt; re in a 1T'ni .. 'tr? 1P of the envelope. Legs 477 (1: 7.,. E .;) SOYlt,?, Wr.c 'T; E? S at the corresponding edge of the box with the help of which this egg is flxfe on the wall -.?.r of the irises 478. In the box is 1.og ", a filter cylindrical having a perforated side wall 480 and an internal and removable end wall 481 with a central opening in which the tubular member 312 engages.

   The

  <Desc / Clms Page number 35>

 filter is closed, at its opposite end, by a disc 482 with cut-out tabs 483 distributed along a circumference and which bear on the internal face of the cylindrical wall so that these parts are fixed removably and with friction one on the other.



   At the center of the disc 483 is established a threaded sleeve 484 into which is screwed the threaded rod 485 of a flywheel 486 and which is held in place by means of an elastic and split ring 487. A cover 488 is mounted on the sleeve. , rod 485 and the outer edge of the cover press a sealing ring 489, of rubber, which is applied to the edge of the open end of the box 475 to prevent water leakage. Leakage is prevented around the rod 485 by means of a rubber bar 491, which is clamped against an elastic member 492, star-shaped with four branches, the free ends of which are in contact with the disc 482.



   To retain the components in the box, the latter has notches 493, distributed along the edge of its open end and which communicate with peripheral ra.inures 494. On the outer edge of the disc 482 are provided cutouts 495 intended to be first engaged in the notches 493 when the disc is resting against the box and, when moving the disc angularly, these protrusions 493 engage in the grooves 494 to hold the disc on the box.



  A finger 496; provided at a point on the disc, limits the angular movement of the disc.



   It is evident, if one rotates the handwheel 486 in the direction in which the threaded rod 485 engages more into the threaded sleeve 484, that the seals 489 and 491 are compressed accordingly. If it is desired to disassemble the filter for cleaning, the handwheel is rotated in the opposite direction and when the cover 488 is sufficiently released with respect to the rubber ring 489, this cover as well as the disc 482 move angularly due to central pressure

  <Desc / Clms Page number 36>

 exerted on them by the spring 492 until the finger 496 reaches the other extracted from its notch 493.

   The protrusions 495 can then be disengaged from their notches and the assembly can be removed from the box 475 and the cylindrical wall 480 can be separated from its end walls 481 and 482 for cleaning.



   In fig. 28;, part of the wall of the machine casing is designated by 1010 and part of the partition, which separates the two compartments of this casing, by 1011.



  In the left compartment is the tub and the rotating laundry container while in the right compartment is housed the motor mechanism 1012 which comurend a housing 1014 with several tabs 1015 fixed by screws 1016 to the partition-1011 in order to be easily removable.



   The mechanism is driven by an electric motor (not shown) and a belt 1018 engaged on a roll 1019 wedged on one end of a shaft 1020 journalled in bearings 1021 and 1022 mounted on opposite walls of the housing.



  In the housing, the 10PO shaft carries a worm 1024 (fig.29) meshing with a helical wheel 1025 wedged in 1026 on a shaft 1027 established transversely above the shaft 1020. One end of the shaft 1027 is journaled in a boss 1028 forming part of a wall of the housing while the other end of the shaft can rotate in a boss 1029 forming part of a cover 1031 closing an opening made in the corresponding side wall of the cprter by being fixed to it by screws 1031.



   The shaft 1027 freely carries bevel wheels 1035 and 1056, the facing side faces of which respectively carry dogs 1057 and 1038. Between these wheels is a coupling sleeve 1040 engaged with a long key, on the shaft 1027 and of which the ends carry dogs 1041 and 1042 capable of being engaged respectively between the planes 1037 and 1038. When the sleeve 1040 is moved in

  <Desc / Clms Page number 37>

 one direction, the dogs 1042 enter between the dogs 1038 and the bevel gear 1035 is driven. On the other hand, if the sleeve is moved in the other direction, the dogs 1041 and 1037 penetrate one another and the wheel 1036 is driven.



  The bevel gears 1035 and 1036 mesh with a bevel gear 1044 at diametrically opposed points so that the latter is driven in one direction or the other depending on the bevel gear which is actuated by the shaft 1027.



   The toothed ring 1044 comprises a hub 1045 (FIG. 28) journaled in a bearing 1046 forming part of the housing 1012 and this hub carries dogs 1048 on its end opposite to that where the crown is located. The dogs 1048 are capable of cooperating with the dogs 1049 of a second coupling sleeve 1051 engaged by a long key 1052 on a shaft 1053 whose internal end is journaled in a bearing 1054 housed in the hub 1045 At its opposite end, the sleeve 1051 carries dogs 1056 which can cooperate with dogs 1057 mounted on a side face of a pinion 1059, relatively large and freely engaged on the shaft 1053.

   This pinion 1059 meshes with a small pkus pinion 1060 wedged on a shaft 1020 and, therefore, the large pinion, 1059 constantly rotates at a relatively high speed.



   The shaft 1053 passes through the wall of the casing adjacent to the partition 1011 and it pivots in a bearing 1064 mounted on this wall. On the outside of this wall the shaft carries, with the aid of the keys 1065, a sleeve 1066 engages a sleeve 1067 and between these two sleeve is interposed a layer of rubber 1069 connected to the two sleeves so that the The shaft 1053 and the outer sleeve 1067 are elastically connected to each other. The sleeve 1067 may be connected by suitable means to the container containing the laundry so that the latter is driven by the shaft 1053 when the latter rotates.



   The sleeve 1067 is journalled, at its internal end,

  <Desc / Clms Page number 38>

 . Without a bearing 1071 engaged in a hub 1072, a part of which 1074 passes through the. partition 1011. This hub is rigidly connected to the partition by a flange 1075 established on the side of the partition where the receptacle is located and by a nut 1076 screwed onto the opposite end of the. part 1074 on the other side of the partition. The hub 1072 forms a support for the outer sleeve or hollow shaft 1067 while the bearing 1071 is such that this hollow shaft can be oriented so as to come into line, of itself, with the axis of the laundry container .

   Appropriate roughing means 1077 are housed in hub 1072 near the shaft.
1067 to prevent the pin from escaping along the shaft.



   If the coupling sleeve 1040 occupies a position in which the toothed ring 1044 is driven in one direction, the laundry container will be rotated as long as the coupling sleeve 1051 is connected to the toothed ring and the direction of the rotation depends on this bare the dogs of the coupling sleeve 1040 are engaged - between those of the bevel gear 1035 or between those of the bevel gear 1036. The rotation with reversal of the direction of travel thus occurs constantly but if the sleeve coupling 1051 is moved so that its dogs 1056 are engaged between the dogs 1057 of the large gear 1059, the container rotates in one direction only and at a relatively high speed.

   During the washing and rinsing the container is driven by the ring gear 1044 and during the spinning it is actuated by the large pinion 1059 so that this spinning can be effected by a centrifugal effect.



   To move the sleeve 1040 periodically and preferably after the container has rotated seven to ten turns, for example in one direction, a cam is used to slide the sleeve 1040 at predetermined intervals to achieve the reversal of the sense of rotation. A cam shaft 1080 (fig. 29) is established below the shaft 1027 and this shaft journals in bearings 1081 and 1082 mounted on the walls

  <Desc / Clms Page number 39>

 opposite sides of the housing. Outside the housing, the shaft 1080 carries a worm 1084 (fig. 30) which meshes with a second worm 1085 mounted on a vertical shaft 1087, established outside the housing and journaled in bearings 1088 and 1089 respectively mounted on the housing and on the cover 1030.

   This shaft carries a helical wheel 1090 meshing with a worm 1091 wedged on the outer end of the shaft 1027 which therefore drives the shaft 1087 and, consequently, the camshaft 1080.



   In the housing, the shaft 1080 is surrounded by a box 1095, the end walls of which include bearings 1096 and 1097 freely engaged on the shaft 1080 so that the boot can slide thereon. An arm 1101 comes out of the. upper part of the box 1095 and it carries, by means of screws 1099, a support 1098. The arm 1101 (fig. 34), which is used to control the coupling, is terminated by a fork 1102 which overlaps the sleeve 1040 and which is engaged in an annular groove 1104 of this sleeve. Despite the free mounting of the boot 1095 on the shaft 1080, it is prevented, by the overlap of the sleeve 1040 by the fork of the arm 1101, that the box 1095 can rotate around this shaft.

   The arm 1101 extends inside the box 1095 and its lower end carries a roller 1106 cooperating with a cam 1107 which serves to trigger the release of the dogs 1041 or 1042, as the case may be out of the dogs of the bevel wheel 1035 or 1036 and this is desirable because considerable frictional resistance occurs in the separation of these dogs.



   In figs. 36, 37 and 38 it can be seen that the cam 1107 is wedged on a sleeve 1108 fixed on the shaft 1080 and this cam comprises peripheral parts 1110 and 1111 which are substantially semi-circular and which are separated from each other by inter- vals 1112 and 1113. The semi-circular parts are adjacent to each other in the axial direction but do not lie - in the same radial plane, the left face of the part 1110 '

  <Desc / Clms Page number 40>

   (fig.58) being approximately in the radial plane of the right face of part 1111. One end of part 1110 has a ramp 1115 ending in the gap 1113 while the other part 1111 has a ramp 1116 ending in the interval 1112.

   If we assume that the cam rotates around the axis of the shaft 1080 and that the roller 1106 is in contact with the side face of the part 1110 of the cam, this contact continues until the interval 1112 has reached the aforementioned pebble. As the gap passes in front of the roller, the ramp 1116 comes into contact with the roller and moves the latter axially until it is in contact with the part, the roller moving along this ramp until until it reaches gap 1113. When the roller passes past gap 1113, pad 1115 moves said roller until it is, again, in a position for which it rolls along portion 1110.



   The two ramps 1115 and 1116 serve unioueraent to move the roller, after each half-turn of the shaft 1080, while the parts 1110 and 1111 of the cam serve to prevent the roller from moving axially in the opposite direction until that it is again ready to enter the next ramp. Therefore, when a part is in contact with the roller, the coupling sleeve 1040 is positively held in its engaged position and when the roller comes into contact with the next ramp, the movement of said sleeve is positively triggered and after that that -It has been moved to obtain its engagement with the other bevel gear, the roller maintains its axial position by being in contact with the other part of the cam until the roller engages on the next ramp of it.



   The two ramps 1115 and 11-16 therefore constitute means by which the axial sliding of the coupling sleeve 1040 is obtained and the movement thus obtained is relatively slow and it is not desirable for the dogs to be complete.

  <Desc / Clms Page number 41>

 cleared by the ramp for the reason that the load would act on a small part of these dogs just before their total disengagement occurs. It is preferable that the ramps of the cam simply trigger the initial movement of the coupling dogs to overcome the considerable frictional forces that occur between these dogs so that these can then be released quickly and the sleeve can easily pass through. 'a characteristic position to another.

   The means for obtaining this rapid displacement of the coupling sleeve com-
Carry. those horns 1120 and 1121 mounted on the sleeve 1108, these cams ^ being identical but offset one against the other by 180 C.



   As clearly visible in figs. 29 and 35, each of these cams is made to include a boss 1122, yes extending, in substance, at an angle of 90, this boss comprising a raised part 1123 at one end while its other end ends in a pronounced hollow 1134..These cams are intended for. cooperate with a roller 1126 mounted on one end of an elastic blade 1127 which is connected to the support 1098 by screws 1128. The roller 1126 and the elastic blade are shown in dotted lines in fig.28 and are located above & u drawing plan. For the position shown, the roller is in contact with the cam 1121. In this way the elastic blade is bent to the left so as to urge the coupling sleeve 1040 in the same direction.

   However, this sleeve cannot move to the left until the roller
1106 has arrived at the end of the part 1111, of the cam 1107 and is therefore located opposite the interval 1113 (fig. 37) and in this position the ramp 1115 positively triggers the movement of the coupling sleeve. As soon as this movement has started, the tension of the elastic cam 1127 intervenes to quickly push said sleeve to the left so that the dogs 1047 and 1041 are released and the dogs 1038 are engaged in the dogs 1042. Following this, of this movement, the

  <Desc / Clms Page number 42>

 roller 1106 is placed against the prtie 1110 of the cam
 EMI42.1
 1107 this yes prevents the return of the accnllplc sleeve; "8nt.

   ('u <> m1 the boxes continue to rotate, the cpm8 Il: ':: 1 ouitte the Ealet and the boss l12à of the ca: Te 1120 comes in contact with this one. This forces the In :: ie 61astiaue 1127 to. to flex in the op; ios ± direction and to accumulate a force ufo tends to move the -, coupling ncbon to the right, When the roller 1106 presents itself in front of the gap 1112 of the cam 1107 and comes in contact with the
 EMI42.2
 ramp 1116, the positive movement of the pccoupiM'pnt iranchon is triggered in the other direction and the effort PCC11; r1111F: d "ns 1 .. 1; me elesti.r'11e forces this sleeve to pass completely felt no- sition charac ;; ristiC: 118.

   One thus obtains the rrJ01WE ', - oPDt cvclinue of the coupling sleeve and, consequently, the reversal of the direction of rotation of the toothed ring 1044 of an abso-
 EMI42.3
 lument t c ^ U tOr !? t1le.



  In fig. 28 a second tree is shown at. cams rotated, at its ends, in the outer walls of the casing, as indicated in 1131 and 1132 and this shaft is driven by a gear train shown in figs. 29 and 30. At its upper end, the vertical shaft 1087 carries a screw without
 EMI42.4
 end 1134 which meshes with a helical wheel 115 1: '0'1t -'- e on a horizontal shaft end 1136 engaged in an opening Il:' 7 made in the wall of the housing. The tree 1136 carries ^ cheerfully
 EMI42.5
 a pinion Il: '' 8 adjacent to the hplico'idale 11'S (fig.?'.C) and this pinion meshed with a toothed wheel 1140 mounted on a shaft 1141 housed in the housing. The toothed wheel 1140 meshed with a pinion 1143 wedged on the camshaft 1¯1..50.

   This shaft is therefore driven by the shaft 1087 and the arrangement of the gears is such that said camshaft turns very slowly, for example making one complete revolution in 45 minutes.
 EMI42.6
 



  The shaft 110 (fi;. '8) carries a 1-145 box similar to the box 1095 and which is shown on the shaft 1150 to be able to move axially thereon. In this case. box has a support 1146 outside and facing down

  <Desc / Clms Page number 43>

 and on which an arm 1147 is fixed by means of screws 1148. The lower end of this arm has the shape of a fork (fig.6) freely engaged in a groove 1149 formed in the coupling sleeve 1051. Therefore, if box 1145 is moved axially, sleeve 1051 slides in the same direction.



  The means by which this sliding of the sleeve is obtained are, in general, similar to those mounted on the shaft 1080 to obtain the control of the sleeve 1040. But they differ from it in two points, namely - say in that the sliding of the sleeve 1051 is not triggered positively although it can be, if desired, and secondly in that means are provided to bring said sleeve 1051 to its neutral position at the end of the spin cycle.

   The reason why the movement of this sleeve 1051 is not triggered in a positive manner is that this precaution seems superfluous because the friction forces, which keep the dogs of this sleeve in their engaged position, are less and can be easily va.incus by the action of the elastic means provided for this purpose.



   The arm 1147 enters the box 1145 and cooperates with retaining means 1160 which comprise a sleeve 1158 wedged on the shaft 1130, for example, by locking screws and a sleeve 1161 wedged on the sleeve and which has a flange 1162 in its middle. The rim 1162 (fig.43) has a notch 1163 at one point and a second notch 1164, which is wider than the. first and the bottom of which extends tangentially with respect to the periphery of the sleeve 1161. The two notches form passages for the end of the arm 1147 so that the latter can be moved axially from side to side. other of the ledge 1162 at predetermined times.



   The means for obtaining the displacement of the boxes 1145 and of the arm 1147 comprise two cams 1166 and 1167 fixed on the shaft 1130 and which can cooperate with a roller 1168 mon-. tee on the end of an elastic blade 1159 fixed on the support

  <Desc / Clms Page number 44>

   1167 by screws 1164. The two cams 1167 and 1163 (figs. 41 and 42) respectively comprise active parts 1170 and 1171 provided with bosses Established in suitable places so that the elastic blade can flex in one direction or in the other. - be depending on the case.

   When the coupling rod 1061 is in its right position, the roller 1168 passes over the boss of the cam 1167 which causes the elastic blade to bend to the left and where the notch 1163 of the flange 1162 of the socket 1161 reaches the arm 1147, the end of the latter passes rapidly through this notch in the axial direction and through the effect of the spring so that the dogs 1056 and 1057 penetrate one another, When the sleeve 1161 continues to rotate in the direction, dextrorotatory, with respect to fig.43, the notch 1164 comes into alignment with the arm 1147 and meanwhile the elastic blade 1168 has been bent to the right by the cam 1166. For this reason the arm therefore passes through the notch 1164 in question.



   Note that at this time the coupling sleeve 1051 is only moved to the right from its corresponding position. the high speed, intervening for the spinning, at the end of this spinning and at this particular moment it is desirable that the coupling sleeve 1051 be in its neutral position for which all the dogs are released because this allows the container, containing the laundry, to rotate freely so that the operator can move this container by hand to bring it to a position suitable for removing the laundry.

   Therefore, when the coupling sleeve 1051 first moves to the right, it must stop in its neutral position and to achieve this a disc 1175 is brought in which is fixed to the sleeve 1158 and this disc has a curved tab 1176, which is aligned with the left end, of notch 1164 (fig. 43). Consequently, when the end of the arm 1147 passes through this notch, it comes into contact with the tongue 1176 which stops the coupling sleeve 1051. The members are therefore in their position.

  <Desc / Clms Page number 45>

 neutral and, as will be explained below, the motor is stopped at that particular moment and the entire drive mechanism ceases to operate.



   'After starting the engine, via an auxiliary starting circuit, the camshaft 1130 will have. turned enough to move the tab 1176 away from the arm 1147 and the latter can then complete its movement through the notch 1164 until it is to the right of the flange 1162 which, automatically, causes the engagement of the dogs 1048 and 1049. The operation of the machine, when the dogs 1048 and 1049 are engaged, continues in this way until the notch 1163 is in front of the arm 1167 and the coupling sleeve 1051 is then moved. to the left and the arm 1147 passes to the left of the ledge
1162 until notch 1164 comes up again.

   Note, with reference to fig. 43, that the coupling sleeve 1051 is held on the right for a longer period due to the greater peripheral gap existing between the notches 1163 and 1164 while this sleeve is held in its left position, during which the spinning of the laundry takes place, for a relatively short time because of the less peripheral distance existing between the notches 1164 and
1163.



   In order to obtain the rotation of the laundry container in the same direction as that in which it must rotate during the spinning and at the moment when the displacement of the coupling sleeve 1051 is to take place, use is made of retaining means (figs. 31 and, 32) which comprise an elbow lever 1180 articulated to a transverse shaft 1181, established in.le casing, the lower end of said lever being in contact with a cam 1183 mounted on the shaft. lower cams 1080. The other end of the lever has a nose 1186 which can come into contact with a finger 1188 mounted on the arm 1147 which controls the coupling sleeve 1051.

   A spring 1189 is wound around the shaft 1181 and one end of this spring bears on

  <Desc / Clms Page number 46>

 a lug fixē1190 while its other extracted presses on the angled lever 1180, this spring urging said lever in a direction for which the beak 1186 comes into contact with the finger 1188 of the arm 1147.

   The cam 1183 occupies such a position, with respect to the cams which control the reversing movement and which are also wedged on the shaft 1080, that the shaft 1147 is kept in its right-hand position (fig. 28) for which the crabbts 1048 and 1049 are engaged until ring gear 1044 rotates in the same direction as pinion 1059 whereby the High speed drive is obtained. Therefore, if the arm 1147 is opposite the notch 1163 and is about to be moved by the elastic blade 1169 but if the crown gear 1044 turns in the opposite direction to the onion 1059 for the large speed,

   the spout 1186 is in contact with the finger 1188 of the arm 1147 which prevents the movement in question. On the other hand, when the lower camshaft 1080 has turned sufficiently so that one obtains the reversal of the direction of rotation of the annular ring gear 1044 ', the cam 1185 will have moved the crank lever 1180 so as to free the arm. 1147. It should be noted that the notch 1163 is sufficiently wide for this retention to occur, if necessary, so that the arm 1147 has sufficient space to be moved aupnd said retaining means cease to intervene.



   To control the draining of the water out of the tank and to control the operation of the electric motor, a cam 1200 mounted on the upper camshaft 1130 is used and the active part 1021 of this cam can act on a roller 1202 mounted on a rod 1205 oriented upwards and which passes through a cover 1205 of the housing while being able to be moved vertically (fig. 44). This rod 1203 can act on an arm 1206 articulated to an axis 1207 mounted on the cover and this arm serves to open and close the emptying valve of the tank. When the rod 1203 is in its upper position, the drain- is open and when it is in its lower position, the drain

  <Desc / Clms Page number 47>

 is closed.

   Note that the cam 1021 has a relatively long active face 1208 so that the valve can be closed for a fairly long period of time during which the laundry is washed. The drain cam also has four bosses 1210, 1211, 1212 and 1213 which respectively open the valve at the end of the wash, then at the end of the first rinse, then at the end of the second rinse and at the end of the third. rinsing. Between these operations, the valve is, of course, closed. It should be noted that at the end of the third rinse the drain is opened for a long enough period by the boss 1213 of the cam so that the valve is open during the spinning.



   The cam 1200 also includes a boss 1215 with a notch 1216 into which the control member 1217 of the switch can penetrate. When this member is taken out of the slot, a switch 1220, established in the motor supply circuit, is closed. When the member 1217 enters the notch 1216, the engine is stopped. As stated above; an auxiliary circuit is provided for starting the engine so that the camshaft 1130 can rotate sufficiently so that the control element 1217 of the switch is disengaged from its notch 1216 and thus closes the main circuit of the engine.

   In this way this main circuit remains closed until the member 1217 enters the notch 1216 and the camshaft can rotate sufficiently to disengage the control element 1217 from the notch. 1216, the auxiliary circuit, supply the motor, is closed and remains closed until the main circuit is also closed.



   It was not considered necessary to show these circuits because the initiates know very well how to establish them.



   To force water to enter the tank another cam is shown, on camshaft 1130 and this cam, shown in developing fig. 48, has four grooves

  <Desc / Clms Page number 48>

 or hollow 1231, 1232, 1233 and 1234 which cooperate with resilient fingers 1235 and 1236 which are provided with tabs 1237 and 1238 which can come into contact with the cam and other tabs 1240 and 1241 which can act respectively on divers 1243 and 1244.

   These plungers can slide in a plate 1245 (fig. 47) fixed by screws 1246 on the wall of the casing to control respectively water distributors 1250 and 1251, the distributor 1250 regulating the entry of water into the tank. a temperature of 60 C while the distributor 1251 sets the temperature at 38 C.



   If the cam 1230 (fig. 48) is moved downward relative to the fingers 1235 and 1236, the tongue 1237 cannot enter any of the grooves and the tongue 1238 can engage all the grooves that follow each other in the peripheral direction. This means that all the water supplied to the tank will be at a temperature of 33 C. On the other hand, if the cam 1230 is moved to the left for a short distance, the tab 1237 can penetrate the grooves 1233, 1232 and 1231: do not enter the groove but the tongue 1233 will be able to sit in the groove 1234 but not in the other grooves.

   This means that the water, admitted into the tank, will be at 60 C during the three corresponding operations (washing and those first rinses), while for the fourth operation (last rinsing),
 EMI48.1
 to the ouelle corresponds 1p. r inur: lN: t4., 1 '(81) is r'c'ise d> -as vat a: 8 C.



  The groove 1; 1 (fig., 4) occupies a nosH: i 0J'l tR1le 'lU'8lJ start and when the engine is f "i3 running, Ï1JSI11"? this the mochino lover, nne res Irn- guettes' oenetre don this groove 1 ".al and lc ,, ni cC'111 '? (lns 10> vat at: 8 C or 60uc depending on the finger l2: -' h Ft 1 .S / 2'f yes -intervene.

   After draining the washing water and rmràs Ip iron this 1 "drain valve, water 7¯" rnêF'8 tC'f'1 '(1 "' r", chosen turp enters the tank when the groove 1232 reaches the same finger. and this water is used for the first rinsing.

  <Desc / Clms Page number 49>

 is finished and when the emptying has taken place, the following groove
1233 presents itself in front of the same finger and the water for the second rinse enters the tank at the same chosen temperature.When the third rinse is to take place, the bottom of the groove 1234 is only touched by the tongue 1238 so that the last rinse is always done with water at the lowest temperature of 38 C.

   For ordinary laundry, the tab
1237 of finger 1235 controls all operations except the last one. For washing woolen articles, the tab 1238 of the finger 1236 acts for all operations to introduce water at the lower temperature.



   The cam 1230 can be moved from one characteristic position to the other by a rod 1240 (fig. 28) capable of being displaced angularly about its axis and yes through the cover 1035 of the housing and which carries, to its lower extract, an eccentric lug 1241 engaged in a peripheral groove 1242 of the cam 1230. By rotating the rod 1230, the cam 1230 can thus be brought axially from one characteristic position to the other. The rod 1230 is connected to a suitable control 1243 which is extended until it is accessible outside the envelope of the machine.



   In fig. 49 we have shown the pulley 1019 around which the belt 1018 'is engaged and which comprises a hub
1250 wedged on the outer end of a shaft 1020 using a screw 1251 passing through a washer 1253 engaged in the end. enlarged bore of. hub. The inner end of the hub
1250 has an outer radial flange 1255 and on the hub 1250 is engaged a washer 1256 applied against said flange 1255.



  The pulley comprises two discs 1257 and 1258 keyed on the hub 1250, the disc 1257 µ being in contact with the washer
1256. Between these discs are interposed two other discs
1260 and 1261 provided at their periphery with a. flange, the two flanges forming an annular groove, V-shaped, for the. belt 1018. By their edge of their central opening dis-

  <Desc / Clms Page number 50>

 
 EMI50.1
 inner plates 1260 and They are engaged on a 1-. "c118 T'6 or-! can slide on the hub 1250 between the outer discs
 EMI50.2
 1257 and 1258 and in the middle of this ring is 1r'vi == oe a rib p ± T5pbÉriaue 1P, 64 psr laauelle the central parts of the discs 1060 and 1261 are; l; a.res between them.

   Planupp de -fraction 1263 and 1369 are respectively established between (li.S: Cl1F'S 1257 and 1S60 and disrues 1253 and 1261. In disoues 12.60 and 1261 are cut the tabs 1270 and 1211, tie T-retain the aforementioned plroues in positions copxi? 1eB TI? rr, nnort pu hub. The peripheries of the discs 1357 and 125a bear these curved and spaced legs 127s ovi are in # Cf'S dPllS holes in the plates so that they are made. solaaires of said disks to be entered (es n? 'r these.



  All the disoues are maintained on the nucleus '', 5JFiO by a washer 1276 Pppliiu, e against the external face c111 dis'11Je 1258 and by a <'cTo1J 1277 screwed on the E: xtr / llit! outer hub. Only a peripheral rim 1280 of the washer 1276 is in contact with the disc 1258 and, when the nut 1277 is
 EMI50.3
 serrF., this flange exerts a strong pressure on the disc which, in turn, acts by a strong pressure on the friction plates and on the discs on the opposite faces thereof.



  In this way, the friction obtained between the plates and the discs can be adjusted.



     It is obvious, when the disoues 1260 and 1261 are driven by the belt, that the discs 1257 and 1258 rotate normally with the former and with them 1-shaft 1020. It is recalled that the shaft 105 is connected to the shaft 1067 which drives the container containing the laundry, the front connection takes place using a rubber sleeve to absorb any shock that may occur when the direction of rotation of shaft 1053 changes. At the same time the pulley 1019 makes it possible to obtain a slip transmission with the help of which the speed of the shaft 1053 can be temporarily changed in addition or in

  <Desc / Clms Page number 51>

 less compared to that of the drive motor.

   Thanks to these modes of connection, the movable members of the mechanism are not subjected to shocks which, otherwise, could occur when the direction of rotation of the container, containing the laundry, is reversed. Likewise, these elastic or sliding links tend to minimize any noise during reversing or at any other time of machine operation.



   The general operation of the machine is therefore as follows. The container, containing the laundry, rotates first in one direction and then in the other during the washing operation and during the three rinses after which it is driven at high speed during the spinning. Water is introduced into the container at the start of the washing operation and at this time the drain is closed and at the end of this operation the drain is open for a certain time to allow the water to flow out. out of the tank. After that the drain closes and clean water enters the tub for a while to perform the first rinse of the laundry. After a short period of rinsing, it is repeated, in the same way, a second and a third time.

   After the third rinse the drain remains open and the container is driven at high speed. This high speed drive is always triggered when the container rotates in the same direction, during rinsing, as that adopted for high speed rotation.



  Consequently, the high-speed spinning takes place by acting on a container which is already rotating in the direction corresponding to that of the spinning. At the end of the spinning, the clutch or the coupling, by which one obtains the drive to. high speed, comes to neutral and is kept in this position until the motor supply circuit is interrupted and the components stop. The container can therefore be rotated freely and by hand until it occupies a suitable position to allow removal of the laundry. The machine is started up by

  <Desc / Clms Page number 52>

 using an auxiliary circuit, for supplying the motor and which can be constituted as usual.

   After a short period of time, the cam which controls the switch 1220 of the main motor circuit causes the closing of this switch which takes over control of the motor until the latter stops again at the end of the operation. the spin.


    

Claims (1)

ABSTRACT The present invention relates to improvements made to washing machines of the type of those comprising a tank suitable for receiving the liquid used for washing and a container suitable for receiving the parts to be washed and which can turn in said tank, means being provided for automatically activating said container during several successive operations, said improvements having the following characteristics, used separately or in combination: a) the machine has a motor drive mechanism, which cooperates with a transmission for a drive at reduced speed to rotate the container, in several turns, first in one direction and then in the other for washing the parts, high speed drive means cooperating with a part of said mechanism, to rotate the container at a high speed and in a direction for centrifugal dewatering of said nieces while control means intervene so that the drive means at low speed and those at high speed operate automatically in the desired order; b) control means are provided to supply clean water to the tank and means to allow the water to be emptied out of said tank, said means -tent also arranged so that clean water, suitable when washing, is introduced and the water is drained while the spinning is taking place; <Desc / Clms Page number 53> c) the aforesaid control means are arranged so that water is introduced into the tank and drained out of it at intervals before the spinning takes place; d) the drive mechanism comprises a first motor shaft, a driven shaft and connecting means for connecting the two shafts operatively to each other, these means comprising a reversing clutch suitable for allowing the drive of the shaft. led in either direction; e) House means comprise toothed wheels, engaged on the motor shaft, a toothed ring geared on the driven shaft and suitable for being driven by each of these toothed wheels, sliding means for establishing the drive connection. nement between one of these wheels and said toothed ring and means for moving these sliding means; f) planetary gears are provided to be driven by the driven shaft to periodically move the reverse clutch in either direction; g) the machine comprises another driving shaft, a third shaft in axial alignment with the driven shaft and parallel to said driving shaft, the first driving shaft being disposed transversely with respect to the other three shafts and being actuated by this other drive shaft, a reversing clutch for operatively connecting the driven shaft to the first drive shaft so that this driven shaft can be driven first in one direction and then in the other, coupling means for connecting the other driving shaft to the third shaft, coupling means for connecting the third shaft to said driven shaft and control means for selectively actuating these two coupling means so that the third shaft is first driven in a movement with reversal of its rotation and, then, in one direction only; h) the aforementioned shafts and their drive means are housed in a housing as well as the camshaft which controls these various operations; <Desc / Clms Page number 54> i) means are provided for driving the camshaft and this shaft carries means suitable for controlling the reverse clutch and the two couplings so that the third shaft first turns with reversal of its direction of motion. walk and then in one direction only; j) the container is mounted in the tank on a shaft and elastic means operatively connect this shaft to the container, these means comprising a spring for driving this container in one direction and a second spring for driving it in the container. in the other direction, these springs preferably being wound in helices with opposing pitches so that the spring which drives can be wound while the other is unwound; k) a casing in several parts is used, the motor shaft and the coupling members being housed in one part of this casing and being supported by it while a camshaft is mounted in another part , means, suitable for operatively connecting the camshaft to the motor shaft, coming to occupy their active position when the parts of the housing are assembled; 1) the casing comprises a cover in which the camshaft is mounted, the operative connection between this shaft and the motor shaft being such that it is established automatically when the cover is put in place; m) the coupling means for connecting the two shafts are also housed in the housing and a cam, mounted on the camshaft, serves to control these coupling means, the connection between the cam and the coupling means and between the camshaft and the motor shaft are such that this connection can be broken when the cover is removed from the housing; n) means are provided to prevent high speed operation except when the container, when operating at reduced speed, rotates in the same direction as that adopted for high speed operation; <Desc / Clms Page number 55> o) the means preventing this operation include means suitable for acting on the control members by means of which this operation is obtained at high speed so that the latter is delayed until the container performs a predetermined operation during its operation at reduced speed; p) a first and a second coupling are provided for respectively controlling the rotation of the container at reduced speed and that at high speed, means being provided for moving these couplings from their position corresponding to the operation at a reduced speed. that corresponding to high speed operation at predetermined times only, that is to say when the container rotates in the same direction as that adopted for high speed operation, resilient means being provided, preferably rence, to move the couplings at these predetermined times; q) a cam drive is provided to act on the means by which one obtains the operation at reduced speed and that at high speed, so that these operations can be done in a planned order, the retaining means intervening to allow only the intervention of the means reserved for the high speed when the cylinder is working in a predetermined condition during its operation at low speed; r) the coupling means comprising a double-acting coupling which can be moved in one direction and the other between two active positions, means being provided to positively prevent the movement of the coupling from a position to the other except at predetermined times. born after which they allow the displacement of this coupling by the intervention of resilient means suitable for bringing the coupling from one of its positions to the other after the latter has been released; <Desc / Clms Page number 56> s) means are provided for automatically tensioning said elastic means, before releasing the coupling so that they can move the one from one to the other of its characteristic positions, the means for subjecting these elastic means to a tension adjustable being, preferably, formed by cams which press automatically on said elastic means; t) cams intervene to gradually release said couplings immediately before they are completely released, the release of these means = 'so, pre- EMI56.1 lrence, obtained by elastic means after the inte; irention of said ca.mes; EMI56.2 u) ehaflue coupling includes a sliding member yes can be maintained ter: iq> or8ire: .. e = it in an intermediate and neutral position c1Jand it is moved ripnuls 1 "'1; rs.i.t'.ci; nOD1 'l801.:el1e the rotation 8. high speed E: el1..1 container p nu 1.i.ei; ir) a 2rbri? 21en ,: is used to drag the r'! here-o: '. .o. '.' 1t,; l, '' 'id8 t1'vn thief tree and by the inter <r;' ôi * 1 = e r'un <= "c? = a5 #;" .: q . of r! lf'- ce of 1. speed. t '; rbre t¯OtPl, i. '!' tqnt entrrl11.! '3pr lï2'? '10tP1Jl and}') 2r l'l.nt? R¯ ^ 'd7 .-' l.re of a very? Ds ,, \ j¯ssion â l¯j.4vn.¯, p '; y.fl.i == r'il, 'l1l1 r :: iOD'1E:;' 18ht relative can be ;; 1'o (l1) Í1 '' 'c' ') tT'p le', "Otn ; l "pt l ', ^ r111" F? i; t0'E: i? r under the effect of ef-L'orts Ci'i.n8rtie dll r C'1'n) ¯f? i' i; j T <) of 8r11 distributors i1lime11t ': rt 1- Cl1V- :: and this one comprises; l1ne: vidr'nrs? ces <: lStr7¯17t7'i 0t CE'1-1: .r : emptying, 't: -; nt ccmm'iM' '' 's;:,: - 1r des C' ", Htes' t1cnt) 'es 1 = r un -,' yT'P Cr8S; x) des .- o =, 70ens oe C017l "nr1e 0l'tO'1tn" o: - 1nt "Y'v: i.e'1DPnt turn ^ Ss, 7rer emptying 1. ''; tank 3 1 "end the r ln first Of1- ration of 1¯ = .irchins, r vs- Jon squares ()" 1) lv ^ e9 lot. 1 end of each of the following rinsing operations, 'aLtr ^ s. #Q; .7ens of commpnde ', utOJClr <, tic'U8S, 01: i depend on t. Di; fof1.C tiOD11 pr '' nt the first means of cc '': .lnde, '' 'ssl1r''rlt l'ljrn "' '1trt: i.OD ôe 12 tank with water at a certain temperature for lifting and with water at a lower temperature during one of the rinsing operations, means being provided for modifying the <Desc / Clms Page number 57> operation of these automatic control means, cited second, so that the water is supplied at the same temperature, 'preferably at the. lowest temperature, for all operations; y) the means for regulating the water supply comprise a cam which can slide axially on the camshaft and means with variable effect for actuating the distributor by means of said cam and which depend on the axial position that it occupies on the camshaft; z) a distributor is provided to supply water to the tank at a temperature, a distributor for the supply with water at a different temperature, the axially sliding cam being a rotating cam driven by the motor means and means are provided by which one of these distributors can be controlled when the cam occupies an axial position and by which the other distributor can be controlled when the cam occupies its other axial position; a ') several distributors intervene to supply the tank with water. at different temperatures, a cam which can slide axially on a camshaft,' driven by the motor mechanism, to control, by intermediate means , the distributors as a function of the position that this cam occupies on its shaft and the arrangement preferably being such that only one of the distributors is controlled from the. times; b ') the control means of the distributors comprise grooves occupying different axial locations on the cam and with which fingers suitable for actuating said distributors cooperate.