EP0402252B1 - Security lock for the lid of the drum of a washing machine - Google Patents

Security lock for the lid of the drum of a washing machine Download PDF

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Publication number
EP0402252B1
EP0402252B1 EP90401543A EP90401543A EP0402252B1 EP 0402252 B1 EP0402252 B1 EP 0402252B1 EP 90401543 A EP90401543 A EP 90401543A EP 90401543 A EP90401543 A EP 90401543A EP 0402252 B1 EP0402252 B1 EP 0402252B1
Authority
EP
European Patent Office
Prior art keywords
pusher
drum
doors
door
safety latch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90401543A
Other languages
German (de)
French (fr)
Other versions
EP0402252A1 (en
Inventor
Patrick Blaque
Etienne Jaffelin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ardam SNC
Original Assignee
Ardam SNC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ardam SNC filed Critical Ardam SNC
Priority to JP2410360A priority Critical patent/JPH04122386A/en
Publication of EP0402252A1 publication Critical patent/EP0402252A1/en
Priority to FI906158A priority patent/FI906158A/en
Application granted granted Critical
Publication of EP0402252B1 publication Critical patent/EP0402252B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor

Definitions

  • the invention relates to a security lock for access doors, inside a drum of a washing machine.
  • the access doors inside the drum of a washing machine, are subjected, during the rotation under load of the drum, in particular during the spinning operations, to significant pressures likely to cause the untimely opening of the doors and the eviction of the linen resulting in material damage sometimes significant.
  • hooks integral with one of the doors, and slots made in the other door, arranged in such a way that, when the doors are closed under the action of their return springs, the so-called hooks penetrate directly into the slots, kept in the shape of their beak; they come out of it just as easily when a push is exerted on the doors from the outside, as is the case when the user wishes to intervene inside the drum to load or unload the latter.
  • doors comprising a hook closure, with a safety device opposing the untimely recoil of the hooks and their removal from the notches when said doors are closed.
  • the object of the present invention is to remedy these drawbacks.
  • This invention as characterized, in claim 1 solves the problem of creating a safety lock for washing machine drum doors, the stopper of which can be directly operated without an intermediate member and can be completely housed in a recess produced in the door comprising the closing hooks.
  • the advantages obtained thanks to this invention consist essentially in that the security lock does not have any roughness capable of catching the laundry, and in that its operation simultaneously causes the doors to open.
  • the figures show the doors 10 and 20 of a drum, secured by means of hooks 12, 13 and 14 and slots 22, 23 and 24 , of which the door 10 , comprising the recess 11 , is provided with a lock 30 consisting of a plunger 31 with base 32 biased towards the flange 41 of a hollow base 40 by a spring 50 ; a clearance J having been made between the pusher 31 and the flange 41 and an angle alpha having been given to the flange 41 of the hollow base 40 relative to the flat bottom of the recess 11 , in the direction opposite to the hooks 12, 13, 14 .
  • FIGS. 1 and 2 By examining FIGS. 1 and 2 simultaneously, it can be seen that, in the closed position of the doors 10 and 20 , the end of the door 20 , comprising the slots 22, 23 and 24 , is situated against the push-button 31 of the latch 30 , just above the flange 41 of the hollow base 40 of said lock 30 . Said pusher 31 is then supported, by its base 32 , against the flange 41 of the hollow base 40 .
  • a clearance J of a few tenths of a millimeter, has been formed between the edge of your collar 41 of the hollow base 40 and the pusher 31 , as well as an alpha inclination of approximately 2 ° in the direction opposite to the closing hooks.
  • This alpha inclination also favors the buckling of the spring 50 when a push is exerted on the pusher 31 and, consequently, a tilting of the said pusher in the direction opposite to the hooks, facilitating the release of the end of the door. 20 .
  • the security lock according to the invention is intended mainly to equip the drums of a washing machine, but it could also be used on any rotary drum, the doors of which are secured to the closure by a system of hooks.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Description

L'invention concerne un verrou de sécurité pour portes d'accès, à l'intérieur d'un tambour d'une machine à laver le linge.The invention relates to a security lock for access doors, inside a drum of a washing machine.

Les portes d'accès, à l'intérieur du tambour d'une machine à laver le linge, sont soumises, lors de la rotation en charge du tambour, notamment lors des opérations d'essorage, à des pressions importantes susceptibles de provoquer l'ouverture intempestive des portes et l'éviction du linge se traduisant par des dégats matériels parfois importants.The access doors, inside the drum of a washing machine, are subjected, during the rotation under load of the drum, in particular during the spinning operations, to significant pressures likely to cause the untimely opening of the doors and the eviction of the linen resulting in material damage sometimes significant.

Aussi a-t'on doté ces portes de divers moyens permettant à celles-ci de rester solidaires sous la poussée qu'elles subissent.Also we have provided these doors with various means allowing them to remain united under the thrust they undergo.

Le plus courant et le plus efficace de ces moyens est constitué de crochets, solidaires de l'une des portes, et de fentes réalisées dans l'autre porte, disposés de telle façon que, lors de la fermeture des portes sous l'action de leurs ressorts de rappel, les dits crochets pénètrent directement dans les fentes, comptetenu de la forme de leur bec ; ils en sortent tout aussi facilement lorsqu'une poussée est exercée sur les portes de l'extérieur, comme c'est le cas lorsque l'utilisateur désire intervenir à l'intérieur du tambour pour charger ou décharger celui-ci.The most common and most effective of these means consists of hooks, integral with one of the doors, and slots made in the other door, arranged in such a way that, when the doors are closed under the action of their return springs, the so-called hooks penetrate directly into the slots, kept in the shape of their beak; they come out of it just as easily when a push is exerted on the doors from the outside, as is the case when the user wishes to intervene inside the drum to load or unload the latter.

Toutefois, il résulte de cette disposition que les portes peuvent se désolidariser sous l'effet d'un déplacement relatif intempestif de celles-ci, dû à des mouvements du tambour ou au frottement du linge, et tout particulièrement contre le rebord de l'ondulation de section rectangulaire, dirigée vers l'intérieur du tambour, réalisée dans la porte comportant le crochet pour permettre le libre débattement de l'extrémité de la porte comportant tes fentes lors de l'ouverture des portes.However, it follows from this arrangement that the doors can detach under the effect of an untimely relative movement of the latter, due to movements of the drum or the friction of the linen, and in particular against the edge of the ripple. of rectangular section, directed towards the inside of the drum, produced in the door comprising the hook for allow free movement of the end of the door with your slots when the doors open.

Aussi a-t'on imaginé de munir les portes, comportant une fermeture par crochets, d'un dispositif de sécurité s'opposant au recul intempestif des crochets et à leur désembectage des échancrures lorsque les dites portes sont fermées.Also we imagined to provide the doors, comprising a hook closure, with a safety device opposing the untimely recoil of the hooks and their removal from the notches when said doors are closed.

Différents dispositifs de sécurité de ce genre existent actuellement dans l'état de la technique, qui ont tous comme principale caractéristique de comporter une butée, effaçable à volonté par l'utilisateur, par l'intermédiaire d'un moyen de manoeuvre approprié, s'opposant au libre débattement des portes l'une par rapport à l'autre lorsqu'elles sont fermées. De tels dispositifs sont décrits dans les brevets de la République Fédérale d'Allemagne : 2 237 409 C 3 et 2 265 551 C 3.Various safety devices of this kind currently exist in the state of the art, all of which have the main characteristic of comprising a stop, erasable at will by the user, by means of an appropriate operating means, opposing the free movement of the doors relative to each other when they are closed. Such devices are described in the patents of the Federal Republic of Germany: 2,237,409 C 3 and 2,265,551 C 3.

On connaît déjà un verrou de sécurité s'opposant au désengagement inopiné des crochets de fermeture des portes d'accès, à l'intérieur du tambour d'une machine à laver le linge, des fentes dans lesquelles ils sont engagés (brevet français n° 2 289 659) ; le dit verrou comporte une butée, située à l'aplomb de l'extrémité de la porte munie des fentes d'engagement des crochets de fermeture, dont l'effacement s'obtient par flexion d'une lame de ressort, munie d'un poussoir, rappelée contre la partie supérieure d'un cavalier limitant le débattement vers l'extérieur de la dite lame de ressort. Toutefois, ce verrou, de par sa conception, oblige l'utilisateur de la machine a laver à manoeuvrer le poussoir dont il est équipé pour obtenir l'effacement de la butée, puis à appuyer sur les portes pour obtenir l'ouverture de celles-ci. De plus, la lame de ressort, à l'extrémité de laquelle est fixée la butée, se prête à l'accrochage du linge au moment où celui-ci est retiré du tambour, avec les risques de détérioration de certaines pièces de linge et de déformation de la dite lame de ressort que cela suppose.There is already known a security lock opposing the unexpected disengagement of the hooks for closing the access doors, inside the drum of a washing machine, the slots in which they are engaged (French patent n ° 2,289,659); the said lock comprises a stop, located directly above the end of the door provided with the engagement slots of the closing hooks, the erasure of which is obtained by bending a spring leaf, provided with a pusher, resting against the upper part of a jumper limiting the outward movement of said leaf spring. However, this lock, by design, obliges the user of the washing machine to operate the pusher with which it is equipped to obtain the erasure of the stop, then to press on the doors to obtain the opening of these. In addition, the leaf spring, at the end of which the stopper is fixed, is suitable for hanging the laundry when it is removed from the drum, with the risk of damaging certain pieces of laundry and deformation of said leaf spring that this supposes.

La présente invention a pour but de remédier à ces inconvénients. Cette invention, telle qu'elle est caractérisée, dans la revendication 1 resout le problème consistant à créer un verrou de sécurité pour portes de tambour de machine à laver, dont la butée puisse être directement manoeuvrée sans organe intermédiaire et puisse être totalement logée dans un évidement réalisé dans la porte comportant les crochets de fermeture.The object of the present invention is to remedy these drawbacks. This invention, as characterized, in claim 1 solves the problem of creating a safety lock for washing machine drum doors, the stopper of which can be directly operated without an intermediate member and can be completely housed in a recess produced in the door comprising the closing hooks.

Les avantages obtenus grâce à cette invention consistent essentiellement en ce que le verrou de sécurité ne présente aucune aspérité susceptible d'accrocher le linge, et en ce que sa manoeuvre provoque simultanément l'ouverture des portes.The advantages obtained thanks to this invention consist essentially in that the security lock does not have any roughness capable of catching the laundry, and in that its operation simultaneously causes the doors to open.

D'autres caractéristiques et avantages apparaîtront dans la description qui va suivre d'un mode de réalisation du verrou de sécurité selon l'invention, donné à titre d'exemple non limitatif au regard des dessins annexés sur lesquels :

  • La figure 1 représente une vue en coupe longitudinale partielle des portes d'un tambour équipées du verrou de sécurité,
  • la figure 2 représente une vue de dessus partielle des portes d'un tambour équipées du verrou de sécurité.
Other characteristics and advantages will appear in the following description of an embodiment of the security lock according to the invention, given by way of nonlimiting example with regard to the appended drawings in which:
  • FIG. 1 represents a view in partial longitudinal section of the doors of a drum fitted with the safety lock,
  • Figure 2 shows a partial top view of the doors of a drum fitted with the safety lock.

Les figures représentent les portes 10 et 20 d'un tambour, solidarisées par l'intermédiaire de crochets 12, 13 et 14 et de fentes 22, 23 et 24, dont la porte 10, comportant l'évidement 11, est munie d'un verrou 30 constitué d'un poussoir 31 à embase 32 rappelé vers la collerette 41 d'un socle creux 40 par un ressort 50 ; un jeu J ayant été ménagé entre le poussoir 31 et la collerette 41 et un angle alpha ayant été donné à la collerette 41 du socle creux 40 par rapport au fond plat de l'évidement 11, dans le sens opposé aux crochets 12, 13, 14.The figures show the doors 10 and 20 of a drum, secured by means of hooks 12, 13 and 14 and slots 22, 23 and 24 , of which the door 10 , comprising the recess 11 , is provided with a lock 30 consisting of a plunger 31 with base 32 biased towards the flange 41 of a hollow base 40 by a spring 50 ; a clearance J having been made between the pusher 31 and the flange 41 and an angle alpha having been given to the flange 41 of the hollow base 40 relative to the flat bottom of the recess 11 , in the direction opposite to the hooks 12, 13, 14 .

En examinant simultanément les figures 1 et 2, on remarque que, en position de fermeture des portes 10 et 20, l'extrémité de la porte 20, comportant les fentes 22, 23 et 24, est située contre le poussoir 31 du verrou 30, juste au-dessus de la collerette 41 du socle creux 40 du dit verrou 30. Le dit poussoir 31 est alors en appui, par son embase 32, contre la collerette 41 du socle creux 40. Dans cette position, les crochets 12, 13 et 14 sont en appui contre les bourrelets 21, 25 et 26 des fentes 22, 23 et 24 et ne peuvent donc se dégager de celles-ci sans qu'un déplacement relatif entre les portes 10 et 20 puisse s'effectuer ; c'est-à-dire sans que le poussoir 31, faisant office de butée, ait été, au préalable, effacé en dessous de l'extrémité de la porte 20 ; effacement qui ne peut s'effectuer que par un acte volontaire de l'utilisateur.By examining FIGS. 1 and 2 simultaneously, it can be seen that, in the closed position of the doors 10 and 20 , the end of the door 20 , comprising the slots 22, 23 and 24 , is situated against the push-button 31 of the latch 30 , just above the flange 41 of the hollow base 40 of said lock 30 . Said pusher 31 is then supported, by its base 32 , against the flange 41 of the hollow base 40 . In this position, the hooks 12, 13 and 14 are in abutment against the beads 21, 25 and 26 of the slots 22, 23 and 24 and cannot therefore be released from these without a relative movement between the doors 10 and 20 can be done; that is to say without the pusher 31 , acting as a stop, having been previously erased below the end of the door 20 ; erasure which can only be carried out by a voluntary act of the user.

Pour obtenir l'ouverture des portes 10 et 20, il suffit donc d'appuyer sur la partie galbée 33 du poussoir 31 pour obtenir, tout d'abord, par compression du ressort 50, l'effacement du dit poussoir 31 sous l'extrémité de la porte 20 qui peut, dans le même mouvement, passer par dessus le poussoir 31, a lors que les deux portes 10 et 20 poursuivent leur mouvement d'ouverture sous l'effet de la pression de la main, maintenue sur la partie galbée 33 du poussoir 31.To obtain the opening of the doors 10 and 20 , it suffices therefore to press on the curved part 33 of the pusher 31 to obtain, first of all, by compression of the spring 50 , the erasing of said pusher 31 under the end of the door 20 which can, in the same movement, pass over the pusher 31 , a when the two doors 10 and 20 continue their opening movement under the effect of the pressure of the hand, maintained on the curved part 33 of pusher 31 .

Lors de la fermeture des portes 10 et 20, sous l'action de leurs ressorts de rappel respectifs, la porte 20 prend appui et glisse contre la partie supérieure du poussoir 31, jusqu'à ce que son extrémité vienne normalement s'engager derrière le poussoir 31, dans le même mouvement de fermeture, sans que l'utilisateur ait à intervenir.When the doors 10 and 20 are closed, under the action of their respective return springs, the door 20 bears and slides against the upper part of the pusher 31 , until its end normally comes to engage behind the pusher 31 , in the same closing movement, without the user having to intervene.

Pour éviter tout arc-boutement accidentel de l'extrémité de la porte 20 contre le poussoir 31, au moment du débattement à l'ouverture ou à la fermeture des portes 10 et 20, un jeu J, de quelques dixièmes de millimètre, a été ménagé entre le bord de ta collerette 41 du socle creux 40 et le poussoir 31, ainsi qu'une inclinaison alpha d'environ 2° dans la direction opposée aux crochets de fermeture. Cette inclinaison alpha favorise, de plus, le flambage du ressort 50 lorsqu'une poussée est exercée sur le poussoir 31 et, par conséquent, un basculement du dit poussoir dans le sens opposé aux crochets, facilitant le dégagement de l'extrémité de la porte 20.To avoid any accidental bracing of the end of the door 20 against the pusher 31 , at the time of the travel when the doors 10 and 20 are opened or closed, a clearance J , of a few tenths of a millimeter, has been formed between the edge of your collar 41 of the hollow base 40 and the pusher 31 , as well as an alpha inclination of approximately 2 ° in the direction opposite to the closing hooks. This alpha inclination also favors the buckling of the spring 50 when a push is exerted on the pusher 31 and, consequently, a tilting of the said pusher in the direction opposite to the hooks, facilitating the release of the end of the door. 20 .

Le verrou de sécurité selon l'invention est destiné principalement à équiper les tambours de machine à laver le linge, mais il pourrait être utilisé aussi sur tout tambour rotatif, dont les portes sont solidarisées à la fermeture par un système de crochets.The security lock according to the invention is intended mainly to equip the drums of a washing machine, but it could also be used on any rotary drum, the doors of which are secured to the closure by a system of hooks.

Claims (6)

  1. Safety latch preventing the unintentional release of the closing catches of the access doors inside the drum of a clothes washing machine, slots into which they are engaged, one of the doors carrying the catches, the other the slots; the said latch being associated with a stop, situated on the door carrying the catches against the end of the door (20) containing the slots when the doors are closed; the said stop being designed so as to move below the said door (20) via action on the control mechanism of the latch (30), characterized in that the stop is constituted by a pusher (31) which is returned towards the outside of a hollow socket (40) by a spring (50).
  2. Safety latch according to claim 1, characterized in that the travel of the pusher (31) is limited by a shoulder (32) bearing, in the safety position, against the collar (41) of the hollow socket (40), and, in the depressed position, against the bottom of the recess (11) in which the socket (40) is fixed.
  3. Safety latch according to claim 2, characterized in that the collar (41) of the socket (40) is inclined in a direction opposite to that of the closing catches (12, 13, 14).
  4. Safety latch according to claim 3, characterized in that the angle of inclination, alpha, of the collar (41) of the hollow socket (40), relative to the bottom of the recess (11) in which the said hollow socket (40) is fixed, is approximately 2°.
  5. Safety latch according to claim 2, characterized in that a clearance (J) is provided between the pusher (31) and the collar (41) of the hollow socket (40), so as to allow a certain lateral clearance of said pusher (31) due to buckling of its return spring (50), when the said pusher is pushed by hand in order to open the drum, or by the end of the opposite door (20) during the automatic closing of the drum.
  6. Safety latch according to claim 1, characterized in that the upper part of the pusher (31) is rounded towards the outside so as to facilitate its manual operation.
EP90401543A 1989-06-09 1990-06-07 Security lock for the lid of the drum of a washing machine Expired - Lifetime EP0402252B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2410360A JPH04122386A (en) 1990-06-07 1990-12-12 Safety lock for door of drum of washing machine
FI906158A FI906158A (en) 1990-06-07 1990-12-13 SAEKERHETSLAOS AVSETT FOER LUCKORNA I TVAETTMASKINSTRUMMAN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8907768 1989-06-09
FR8907768A FR2648175B1 (en) 1989-06-09 1989-06-09 SECURITY LOCK FOR DRUM DOORS OF WASHING MACHINES

Publications (2)

Publication Number Publication Date
EP0402252A1 EP0402252A1 (en) 1990-12-12
EP0402252B1 true EP0402252B1 (en) 1994-11-23

Family

ID=9382635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401543A Expired - Lifetime EP0402252B1 (en) 1989-06-09 1990-06-07 Security lock for the lid of the drum of a washing machine

Country Status (3)

Country Link
EP (1) EP0402252B1 (en)
DE (1) DE69014237T2 (en)
FR (1) FR2648175B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730249B1 (en) * 1995-02-02 1997-03-14 Ciapem DEVICE FOR LOCKING A DRUM GATE IN A WASHING MACHINE OR A DRYER
FR2819272B1 (en) * 2001-01-10 2003-03-07 Electrolux Home Products Franc SELF-LOCKING SECURITY LOCK FOR DRUM DOOR OF LAUNDRY WASHING MACHINE
ITTO20070344A1 (en) 2007-05-16 2008-11-17 Indesit Co Spa WASHING MACHINE LOADED FROM HIGH, IN PARTICULAR A WASHING MACHINE, AND ITS OPERATING METHOD
ES2404142T3 (en) * 2010-01-26 2013-05-24 Whirlpool Corporation Drum of a top-loading laundry washing machine comprising a locking device with a sliding latch
EP2415924B9 (en) * 2010-08-06 2013-07-03 Electrolux Home Products Corporation N.V. Door for the drum of a laundry machine
BE1020889A3 (en) 2013-06-17 2014-07-01 Werkhuizen Lapauw Nv WASH DRUM.
EP2952621B1 (en) 2014-06-03 2017-09-27 Whirlpool Corporation Top-loading washing machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2265551C3 (en) * 1972-07-27 1986-01-09 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Drum lid for a drum washing machine that can be loaded with a jacket
DE2237409C3 (en) * 1972-07-27 1987-12-03 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Drum cover for a jacket-loading drum washing machine
FR2289659A1 (en) * 1974-10-30 1976-05-28 Amiens Const Elect Mec SAFETY DEVICE FOR WASHING MACHINE DRUM DOOR
FI760270A (en) * 1975-02-18 1976-08-19 Blomberg Werke Kg
FR2484485A3 (en) * 1980-06-16 1981-12-18 Mayc Sa Washing machine horizontal drum sidewall access door - comprises spring-hinge overlapping leaves which releasably hook together
ES263731Y (en) * 1982-03-06 1983-05-01 "SECURITY CLOSURE APPLICABLE TO THE DRUM OF A VERTICAL LOAD WASHER".

Also Published As

Publication number Publication date
DE69014237T2 (en) 1995-06-14
FR2648175A1 (en) 1990-12-14
DE69014237D1 (en) 1995-01-05
FR2648175B1 (en) 1995-02-10
EP0402252A1 (en) 1990-12-12

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