EP3061862B1 - Sèche-linge - Google Patents

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Publication number
EP3061862B1
EP3061862B1 EP15157029.8A EP15157029A EP3061862B1 EP 3061862 B1 EP3061862 B1 EP 3061862B1 EP 15157029 A EP15157029 A EP 15157029A EP 3061862 B1 EP3061862 B1 EP 3061862B1
Authority
EP
European Patent Office
Prior art keywords
handle
porthole
grip
frame
drying machine
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.)
Active
Application number
EP15157029.8A
Other languages
German (de)
English (en)
Other versions
EP3061862A1 (fr
Inventor
Daniele Striato
Calum Armstrong
Luca Gruppo
Sergio Pillot
Levente Szabo
Luca Pradal
Alessandro Vian
Marco Santarossa
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.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
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 Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to EP15157029.8A priority Critical patent/EP3061862B1/fr
Priority to PCT/EP2016/054075 priority patent/WO2016135285A1/fr
Priority to CN201680011742.1A priority patent/CN107257872A/zh
Priority to AU2016223373A priority patent/AU2016223373B2/en
Publication of EP3061862A1 publication Critical patent/EP3061862A1/fr
Application granted granted Critical
Publication of EP3061862B1 publication Critical patent/EP3061862B1/fr
Priority to AU2020204364A priority patent/AU2020204364B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor

Definitions

  • the present invention relates to a laundry dryer machine (also called a dryer) for drying laundry.
  • a laundry dryer machine also called a dryer
  • a laundry drying machine is a laundry treatment machine which can dry goods or laundry.
  • Other known laundry treatment machines -to which the present invention is not directed- include laundry washing machines (or simply washing machines) and laundry washing-drying machines (or simply washer/dryers).
  • a laundry treatment machine typically includes a cabinet wherein the processing chamber for housing the laundry to be treated is housed, and a door or porthole for providing access to and tightly closing the chamber.
  • the chamber In the case of a washing machine or a washer/dryer, the chamber is usually a drum, rotatably mounted within a washing tub.
  • the chamber In the case of a dryer, the chamber is usually a rotatable drum, there being air circulation ducts, a heater, and a blower for circulating heated air in the ducts and in the chamber.
  • a kind of porthole for laundry treatment machines which is of interest herein comprises a frame assembly that comprises at least one frame.
  • the frame assembly usually further comprises a bowl.
  • the frame assembly comprises an outer frame, an inner frame, and a bowl sandwiched between the outer and inner frames.
  • the inner and outer frames are generally annular.
  • radial refers to the axis of rotation of the processing chamber, when the porthole is closed.
  • the bowl is generally cup-shaped, having a flange retained between the frames, and protruding towards the inner of the laundry machine.
  • An essentially disc shaped cap e.g. made of transparent or non-transparent plastics, and/or a finishing rim may also be provided.
  • the porthole is typically hinged to the cabinet, so as to rotate (usually about a vertical axis), the hinge being usually arranged across a horizontal centerline or median plane of the porthole.
  • the porthole usually has a handle to be gripped by a user.
  • the porthole usually has a lock.
  • the lock is an electromechanical lock, namely a lock that is configured to avoid opening of the porthole during operation of the machine; and to possibly avoid operation of the machine with the porthole open, by issuing a consent signal to an electronic control unit of the machine only when the porthole is closed and/or to delay opening of the porthole after the end of an operation cycle.
  • the lock is of a kind that allows opening of the porthole during operation of the machine, i.e. during a laundry drying operation cycle.
  • a sensor of the open/closed state of the porthole may be provided - externally of or embedded within the lock - to issue a state signal to an electronic control unit of the dryer, which in turn may at least stop the rotation of the drum once the porthole is sensed to be opened.
  • the porthole is provided with a hook that is moved by pivoting the handle with respect to the porthole, and the cabinet is provided with an opening that is engaged by the hook on the porthole in a closed condition, not engaged in an open or released condition.
  • the porthole is provided with a latch
  • the cabinet is provided with a push button or similar manual control provided on a user interface to operate a mechanism, mounted within the cabinet, that engages/disengages the latch.
  • the portholes of this type suffer from the important drawback that they cannot be opened from inside the processing chamber (for example by a child who has entered the chamber and has closed the door), since their opening requires pivoting the handle or acting on a manual control provided in a user interface which can be clearly made only from outside the processing chamber.
  • US 2011/0023316 A1 discloses a household appliance comprising: a housing having an opening for accessing an interior of the housing; a tub disposed inside the housing, the tub having a rotating drum therein for receiving laundry through the opening; and a door assembly having a see-through portion for viewing into the tub, the door assembly being pivotably coupled to the housing and movable between an open position for accessing the opening of the housing and a closed position for closing the opening of the housing, wherein the door assembly includes: a door frame; and a front ring coupled directly or indirectly to the door frame, wherein the front ring includes a front face having an outside edge and an inside edge, wherein the inside edge defines an opening in the front face that substantially corresponds to the see-through portion of the door; and a recessed rear face on an opposite side of the front ring from the front face, wherein the recessed rear face includes a handle portion extending around at least a portion of the front ring.
  • the front ring is configured for a right-hand door assembly in a single first position with respect to an axis of the opening of the front ring, and a left-hand door assembly in a single second position with respect to the axis of the opening of the front ring, wherein an angle of the first position is 180° about the axis from an angle of the second position.
  • the porthole is provided with a latch
  • the cabinet is provided with a latch retaining mechanism that includes a mobile part which is configured to be movable between a retaining position, in which it engages the latch so as to retain the porthole in a closed condition, and an opening position in which it releases the latch so as to allow the opening of the porthole.
  • the mobile part of the latch retaining mechanism typically interacts with an elastic element, for example a spring, which allows the releasing of the latch when a releasing force is applied which is greater than a threshold force.
  • the porthole is therefore opened by pulling it outwards with enough force, and can also be opened by pushing it from the inside of the drum, e.g. by a caught child.
  • the latch may be provided in the cabinet and the pull-to-open type latch retaining mechanism may be provided in the porthole.
  • latch and latch retaining mechanism are not provided with electric parts or electric connections that interact with the mechanical arrangements of the latch and/or latch retaining mechanism to promote and/or prevent the door opening/closing.
  • Electric/electronic arrangements may be provided in the latch and/or latch retaining mechanism to sense the opened/closed status of the porthole.
  • the handle of the porthole has only the function of providing a grip to the user, it is fixed to the porthole, usually to the outer frame of the porthole, and it is typically symmetrical with respect to the latch.
  • the object of the invention is to improve a grip-only handle of a porthole of a laundry drying machine having a pull-to-open door opening system.
  • Applicant found that the above object is achieved by providing a grip-only handle alternatively in one of at least two different angular positions with respect to a frame assembly of the porthole, so that it can be arranged in the more ergonomic position.
  • European application number 13182528.3 discloses a laundry machine comprising a cabinet housing a chamber for treating laundry having a rotation axis, a porthole for providing access to and tightly closing the chamber, a hinge to pivot the porthole to the cabinet, an electromechanical lock comprising a first member on the porthole and a matching member on the cabinet, and a grip-only handle, wherein said porthole comprises a frame assembly comprising at least one frame, wherein said electromechanical lock is configured to be released by applying a force beyond a threshold onto the porthole away from the cabinet, and wherein said grip-only handle is configured to be alternatively positionable in one of at least two prefixed positions with respect to said frame assembly.
  • European application number EP2843105 discloses a door assembly for a laundry treatment device, apt to open and/or close an opening defined in said laundry treatment device, said door assembly comprising a frame, said frame including: a front door frame forming a front surface of the door assembly, said front surface defining a front plane; rear door frame forming a rear surface of said door assembly, said rear surface defining a closure plane, said front plane and said closure plane intersecting one the other so as to form an angle different from 0° and 180°; and a handle-carrying element interposed between said rear door frame and front door frame, and a handle carried by said handle-carrying element, said handle-carrying element being apt to be mounted in at least a first and a second alternative positions, so that said handle can be positioned on said frame at least in a first and second different locations.
  • DE202013000222 describes a door for a home appliance.
  • the door is assembled on the front side of the home appliance in a manner of capable of swinging around a vertical pivot axis.
  • the door has a first side and a second side relative to a center axis which is parallel to the pivot axis.
  • the door is provided with at least one grip inserts with grip recesses at the sides.
  • the door has two exchangeable grip inserts which have grip recesses at the same side of the first side and the second side.
  • DE4304086 discloses a security door lock on a domestic clothes dryer has a door spigot, with a spring action lock.
  • the lock striking plate carries a spring action sliding element, and a dual position security device to prevent use, or to lock the door when the machine is running.
  • the clothes dryer has a large aperture and a suitable door with handle.
  • the invention relates to a laundry drying machine comprising a cabinet housing a chamber for treating laundry having a rotation axis and supported by one or more rollers rotatably mounted on a supporting structure connected to the cabinet, a porthole for providing access to and tightly closing the chamber, a hinge to pivot the porthole to the cabinet, a lock of a kind that allows opening of the porthole during operation of the laundry drying machine, the lock comprising a first member on the porthole and a matching member on the cabinet, and a grip-only handle provided at the porthole to be gripped by a user for applying a pulling force onto the porthole away from the cabinet, wherein said porthole comprises a frame assembly comprising at least one frame, wherein said lock is configured to be released by applying a force beyond a threshold onto the porthole away from the cabinet, wherein said grip-only handle is configured to be alternatively positionable in one of at least two prefixed positions with respect to at least one frame of said frame assembly, the laundry drying machine is characterized in that said grip-only
  • the handle to be always in the more ergonomic position, depending e.g. on whether the laundry drying machine is mounted on the floor or arranged on top of another equipment or piece of furniture, like in the case of a dryer arranged on top of a washing machine, and/or on whether the porthole is hinged at the left or at the right, the porthole being possibly reversible in its opening direction.
  • said grip-only handle is configured to be alternatively positionable in one of at least two prefixed positions with respect to the whole frame assembly.
  • said at least two prefixed positions are such that in any one of these prefixed positions said grip-only handle, when the porthole is closed, has a different angular position with respect to said rotation axis.
  • angular position refers to the rotation axis of the chamber for treating laundry.
  • the at least two prefixed positions are four prefixed positions.
  • the handle is one piece with an annular handle support, comprised in the frame assembly, which can be mounted in at least two different angular positions with respect to the rest of the frame assembly, so that said grip-only handle is positionable in said at least two prefixed positions by mounting said annular handle support in one of these at least two different angular positions.
  • the support is preferably rotatably mounted with respect to the rest of the frame assembly.
  • the handle is provided with one or more coupling elements and the frame assembly is provided with a plurality of matching coupling elements, so that the handle can be mounted in said at least two prefixed positions.
  • At least one cover having one or more coupling element similar to that/those of the grip-only handle is further provided, wherein when the grip-only handle is mounted in a preselected one of said at least two prefixed positions, the at least one cover is provided at the other one(s) of at least two prefixed positions.
  • said matching coupling elements of said frame assembly comprise bushings that are also used to assemble said at least one frame of said frame assembly.
  • the grip-only handle extends through a wall forming the outer edge of the at least one frame of the frame assembly.
  • a wall forming the outer edge of said at least one frame of the frame assembly comprises a slot for receiving the grip-only handle or a cover.
  • said grip-only handle and said first member of lock are arranged in such a way that, when the porthole is closed, their centers of mass are located, with respect to the rotation axis, at different angular positions.
  • the expression that the centers of mass are "located at different angular positions" means that the centers of mass belong to different half planes each starting from the rotation axis.
  • the described arrangement allows increasing the degree of freedom in designing the grip-only handle by relieving the constraints that would be imposed by the presence, at the frame assembly of the porthole, of the first member of the lock at the same position as the handle.
  • said frame assembly comprises a bowl secured to the at least one frame.
  • the frame assembly comprises an outer frame and an inner frame and a bowl is sandwiched between the outer frame and the inner frame.
  • bowl has to be read as a protective element supported by at least one frame of the porthole and having the function, together with the rest of the porthole, of tightly closing the processing chamber of the machine and, preferably (if this bowl is transparent of partially transparent), to at least partially allow to see the internal of the chamber for treating laundry when the porthole is closed; therefore the bowl may be made of glass, but also of different material (e.g. plastic, i.e. polymeric, material), and it may be transparent, opaque, or partially transparent.
  • plastic i.e. polymeric, material
  • the hinge is arranged in such a way that, when the porthole is closed, its center of mass is located, with respect to the rotation axis, at a diametrically opposite angular position with respect to the center of mass of said first member of said lock.
  • the expression that the centers of mass are "located at diametrically opposite angular positions" means that the centers of mass belong to a same plane containing also the rotation axis, and are located on the two different half planes thereof starting from the rotation axis.
  • the arrangement of the lock diametrically opposite the hinge provides a uniform distribution of the forces, including the weight of the porthole.
  • the tightness of the chamber when closed by the porthole is also maximized by the arrangement of the lock diametrically opposite the hinge.
  • said grip-only handle and said first member of said lock are arranged in such a way that, when the porthole is closed, their centers of mass are located, with respect to the rotation axis, at angular positions that are reciprocally spaced by less than 90°.
  • said grip-only handle is arranged in the half of the porthole about the lock. This reduces the effort of the user to pull open the porthole.
  • the hinge and lock are each located across and preferably centered across a horizontal median plane of the porthole, and are diametrically opposite to each other with respect to the rotation axis when the porthole is closed, and the grip-only handle is located in one of at least two positions outside of the horizontal median plane.
  • the grip-only handle comprises a body portion that protrudes radially inwardly or radially outwardly from the at least one frame, and preferably, it extends along an arc of a circumference.
  • the grip-only handle comprises a body portion that protrudes, when the grip-only handle is assembled to the frame assembly, radially inwardly from the at least one frame, and further preferably, it extends along an arc of a circumference, there being a wall of the handle or of the at least one frame crossing the body portion at an intermediate zone of the body portion, and a plurality of reinforcing ribs extending from the body portion and the wall.
  • the body portion of the grip-only handle is generally flat.
  • "generally flat” means that the handle may depart slightly or locally from a flat configuration, still being prevailingly flat or essentially two-dimensional.
  • the grip-only handle may be slightly curved.
  • the ribs are generally L-shaped flat bodies arranged at a corner between the wall and the body portion, on the inner side of the grip-only handle facing, when the porthole is closed, the chamber and/or the cabinet.
  • the ribs are generally flat.
  • each rib includes a long edge adjoining an inner side of the body portion from the wall towards a free edge of the body portion, more preferably up to the free edge, and a short edge adjoining at least part of the wall.
  • each rib extends parallel to each other.
  • each rib extends in a radial plane.
  • the radial extent of the handle being not constant along said arc of a circumference and the handle comprising a zone having a first radial extent, and a zone adjacent thereto having a second radial extent smaller than the first radial extent, so that when the handle is gripped by a user, the zone having the first radial extent is gripped by the index finger and the medium finger, and the zone having the second radial extent is gripped by the ring finger and the little finger.
  • the grip-only handle comprises a body portion having a first edge that is an arc of circumference and, when the grip-only handle is assembled to the frame assembly, adjoins the at least one frame, and a free edge that: contacts the first edge at a first end of the handle, is then curved, having a radially inner convexity so that the radial extent of the handle increases to a maximum and then decreases again to a minimum greater than zero at a corner near a second end of the handle, and after the corner is straight along an almost radial direction, until it contacts the first edge at the second end of the handle.
  • the grip-only handle protrudes radially inwards from the at least one frame, i.e. protrudes towards the axis of rotation of the processing chamber.
  • the grip-only handle does not protrude outwards of said at least one frame.
  • the grip-only handle protrudes radially outwards from the at least one frame, i.e. protrudes in a direction radially departing from the axis of rotation of the processing chamber.
  • the grip-only handle protrudes outwards of said at least one frame.
  • the hinge is located on a left side of said porthole, as seen from the outside of said laundry drying machine having the porthole in front of the viewer.
  • the grip-only handle is arranged in such a way as to be individually separable from said frame assembly.
  • "Individually" means that the grip-only handle can be separated as a single-body from the rest of the frame assembly, i.e. a separation of other parts of the frame assembly is not required (with the possible exception of screws or other fixing devices) in order to separate the grip-only handle from the frame assembly.
  • the frame assembly comprises an outer frame, an inner frame, and a bowl supported by the outer frame and the inner frame
  • the grip-only handle is preferably arranged in such a way to be individually separable from the outer frame and/or inner frame for allowing to change its position among said at least two prefixed positions.
  • the grip-only handle can be separated from and attached to the inner and/or outer frame as a single body, which is a much easier operation than, for example rotating a whole outer frame (in case for example the handle is a single body with the latter) with respect to an inner frame.
  • the laundry processing chamber is supported by one or more rollers rotatably mounted on a supporting structure connected to the cabinet.
  • the laundry processing chamber is supported by a shaft arranged at a rear portion of the chamber, i.e. opposite to the laundry loading/unloading opening.
  • Applicant also found that the above object is achieved by providing a grip-only handle that is reinforced against flexural stress.
  • the invention relates to a laundry drying machine comprising a cabinet housing a chamber for treating laundry having a rotation axis, a porthole for providing access to and tightly closing the chamber, a hinge to pivot the porthole to the cabinet, a lock of a kind that allows opening of the porthole during operation of the laundry drying machine, the lock comprising a first member on the porthole and a matching member on the cabinet, and a grip-only handle, wherein said lock is configured to be released by applying a force beyond a threshold onto the porthole away from the cabinet, wherein said porthole comprises a frame assembly comprising at least one frame, and wherein said grip-only handle comprises a body portion that protrudes radially inwardly from the at least one frame and extends along an arc of a circumference, there being a wall of the handle or of the at least one frame crossing the body portion at an intermediate zone of the body portion, and a plurality of reinforcing ribs extending from the body portion and the wall.
  • the ribs are generally L-shaped bodies arranged at a corner between the wall and the body portion, on the inner side of the grip-only handle facing, when the porthole is closed, the chamber.
  • each rib includes a long edge adjoining an inner side of the body portion from the wall towards a free edge of the body portion, and a short edge adjoining at least part of the wall.
  • each rib extends parallel to each other.
  • each rib extends in a radial plane.
  • Applicant also found that the above object is achieved by providing an ergonomic grip-only handle.
  • the invention relates to a laundry drying machine comprising a cabinet housing a chamber for treating laundry having a rotation axis, a porthole for providing access to and tightly closing the chamber, a hinge to pivot the porthole to the cabinet, a lock of a kind that allows opening of the porthole during operation of the laundry drying machine, the lock comprising a first member on the porthole and a matching member on the cabinet, and a grip-only handle, wherein said lock is configured to be released by applying a force beyond a threshold onto the porthole away from the cabinet, wherein said porthole comprises a frame assembly comprising at least one frame, wherein said grip-only handle protrudes radially inwardly from the at least one frame and extends along an arc of a circumference, the radial extent of the handle being not constant along said arc of a circumference and the handle comprising a zone having a first radial extent, and a zone adjacent thereto having a second radial extent smaller than the first radial extent, so that the when
  • the grip-only handle comprises a body portion having a first edge that is an arc of circumference and adjoins the at least one frame and a free edge that: contacts the first edge at a first end of the handle, is then curved, having a radially inner convexity so that the radial extent of the handle increases to a maximum and then decreases again to a minimum greater than zero at a corner near a second end of the handle, and after the corner is straight along an almost radial direction, until it contacts the first edge at the second end of the handle.
  • FIGs. 1 , 2 , and 3 a laundry drying machine 1 is shown in perspective and front views.
  • the laundry drying machine 1 comprises a parallelepiped cabinet (or housing) 2.
  • the cabinet 2 may be advantageously made of a frame covered by a metal sheet, e.g. a steel sheet.
  • Cabinet 2 houses a chamber 3 for treating laundry.
  • the chamber 3 is a drum 4 rotatably mounted about a rotation axis RR.
  • Drum 4 may be supported by one or more rollers rotatably mounted on a supporting structure connected to the cabinet 2.
  • Said one or more rollers can be provided either on one or both drum end regions, and are preferably idle rollers, i.e. rollers that rotate due to the rotation of the drum 4 which is applied by a driving arrangement, such as an electrical motor and a transmission belt connecting the motor to the drum.
  • the drum is supported by rollers in a front end thereof and by a shaft mounted in a rear end of the drum, the front end of the drum being the end where the laundry loading/unloading opening is formed.
  • rotation axis RR is, when the machine is installed on the floor, in an operative position, like in the example shown in FIGs. 1 and 2 , substantially horizontal, but in a different advantageous embodiment this axis RR can be inclined.
  • the cabinet 2 of the laundry machine 1 may advantageously include a pull-out condensate collecting tank 6, as well as a control panel 7. These components may be missing and/or other components may be present on the cabinet 2.
  • cabinet 2 will further house -in a manner known per se- air circulation ducts, a heater, a drying air moisture condenser, and a blower for circulating heated air in the ducts and in the chamber 3, besides an electronic control unit.
  • a panel 5 may be movable from the front of cabinet 2 to provide access to a part of said components.
  • An aperture 10 of one of the air circulating ducts is further visible in FIG. 2 , and is provided for exhausting drying air from the chamber 3 and directing it towards the drying air moisture condenser - in the case of a back-to-front air flow within chamber 3.
  • a fluff removing filter (not shown in the drawings) can be received into the aperture 10.
  • a porthole 8 for providing access to and tightly closing the chamber 3 is provided at the front wall of the cabinet 2, specifically at an opening 9 of the cabinet 2 and at an opening 3a of the chamber 3.
  • a hinge 11 is provided to pivot the porthole 8 to the cabinet 2 so that it can be opened by rotating it about a vertical axis XX, as shown in FIG. 2 .
  • the hinge 11 is arranged in such a way that, when the porthole 8 is closed, its center of mass C11 (see e.g. FIG. 3 ) is located, with respect to the rotation axis RR, at a first angular position.
  • hinge 11 is arranged across, and more preferably centered across, a horizontal median plane HH of the porthole 8.
  • Hinge 11 may be any conventional hinge, preferably of the type that is not visible when the porthole 8 is closed.
  • hinge 11 comprises a portion 11a ( FIG. 2 , 12 ) fixed to the cabinet 2, a seat 11b ( FIGs. 9 , 10 , 12 ) for housing it provided in the porthole 8, and a hinge pin (not shown in FIGs 1 to 17 ) extending in holes of the portion 11a and of the seat 11b, wherein holes 11c of the seat 11b are visible in FIGs. 9 and 12 .
  • FIGs. 18-20 described in detail hereinafter.
  • a lock 12 is provided between the porthole 8 and the cabinet 2.
  • the lock 12 comprises a portion or member fixed to the cabinet 2 and a portion or matching member fixed to the porthole 8 that cooperate with each other.
  • the portion or member fixed to the porthole 8 will sometimes be referred to as first member hereinafter, and the portion or matching member fixed to the cabinet 2 will sometimes be referred to as second member hereinafter.
  • the lock 12 is configured to allow opening of the porthole during operation of the machine, i.e. during a laundry drying operation cycle.
  • a sensor of the open/closed state of the porthole may be provided - externally of or embedded within the lock 12 - to issue a state signal to the electronic control unit of the dryer 1, which in turn may at least stop the rotation of the drum 4 once the porthole is sensed to be opened.
  • FIGs. 18-20 described in detail hereinafter.
  • the first member of lock 12 comprises a latch 13 protruding from the porthole 8 towards the cabinet 2 -visible in FIGs. 2 , 9 , 10 and 12 -, and the second member comprises a latch retaining mechanism 14 for receiving the latch 13, positioned at the cabinet 2.
  • the latch 13 is shown as a protrusion having an aperture 13a.
  • the entire latch retaining mechanism 14 is not visible in the figures, only a seat for receiving the latch 13 is visible.
  • the latch retaining mechanism 14 preferably includes, in a manner known per se , a mobile part which is configured to be movable between a retaining position, in which it engages the latch 13 so as to retain the porthole 8 in a closed condition, and an opening position it which it releases the latch 13 so as to allow the opening of the porthole 8.
  • the mobile part of the latch retaining mechanism 14 at the cabinet 2 preferably interacts with an elastic element, for example a spring, which allows the releasing of the latch 13 when a releasing force is applied which is greater than a threshold force.
  • the latch 13 In the mounted condition, the latch 13 cannot move with respect to the porthole 8, and the latch retaining mechanism 14 is not operated by any push button or similar manual control.
  • the porthole 8 is therefore of the "pull-to-open type", opened by applying a force beyond a threshold onto the porthole 8 away from the cabinet 2.
  • the lock 12 is preferably arranged across, and more preferably centered across, the horizontal median plane HH of the porthole 8.
  • the first member 13 of lock 12 is arranged in such a way that, when the porthole 8 is closed, its center of mass C12 (see e.g. FIG. 3 ) is located, with respect to the rotation axis RR, at a different angular position than the center of mass C11 of the hinge 11, preferably at a diametrically opposite angular position with respect to hinge 11.
  • a grip-only handle 15 is provided at the porthole 8, to be gripped by a user for applying a pulling force onto the porthole 8 away from the cabinet 2.
  • the porthole 8 is usually opened by pulling it outwards with enough force through the handle 15, but it can also be opened by pushing it from the inside of the drum 4, e.g. by a caught child thanks to its "pull-to-open type" construction.
  • a grip-only handle 15 in connection with a "pull-to-open" porthole or lock has several advantages. It is easier and less expensive to manufacture than a pivotal handle operating a movable hook at the porthole, especially when it is one piece with a frame of the porthole 8 as discussed below. Moreover it is more robust than a pivotal handle.
  • the grip-only handle 15 protrudes radially inwardly from the frame of the porthole 8, specifically from the inner circumferential edge of an outer frame 30 thereof (see below).
  • the grip-only handle 15 is clearly visible, rather than being hidden by the frame of the porthole 8.
  • the above statement is not to be narrowly construed in the sense that the grip-only handle 15 is attached to or forms one single piece with the outer frame of the porthole 8: it may be attached to one or more different parts of the porthole 8.
  • the grip-only handle 15 is provided at a position which is not aligned or not corresponding with the position of the lock 12.
  • the grip-only handle 15 is arranged such that, when the porthole 8 is closed, its center of mass C15 is located, with respect to the rotation axis RR, at a different angular position than the center of mass C12 of the first member 13 of the lock 12.
  • the grip-only handle 15 is preferably located or arranged outside the horizontal median plane HH of the porthole 8.
  • the grip-only handle 15 is thus offset with respect to horizontal median plane HH and the lock 12. In case of a large extent of the handle 15 and/or of the lock 12, the two might however overlap in part.
  • the hinge 11 is advantageously centered across a position at 9 o'clock or 180° in a conventional angular reference system, and the lock 12 is across a position at 3 o'clock or 0°.
  • the centers of mass C11 and C12 of hinge 11 and the first member 13 of lock 12 lie on the median plane HH when they are symmetric.
  • the grip-only handle 15 is shown arranged in the first quadrant, i.e. between 0° and 90°.
  • a vertical centerline VV of the porthole 8 is also indicated in FIG. 3 to easily identify the quadrants.
  • the grip-only handle 15 extends for an arc or circumference lying in the generally central portion of the first quadrant.
  • the grip-only handle 15 may be arranged in the fourth quadrant, i.e. between 270° and 360°, as shown in FIG. 4 .
  • the grip-only handle 15 may be arranged in the second quadrant, i.e. between 90° and 180° as shown in FIG. 5 .
  • the grip-only handle 15 may be arranged in the third quadrant, i.e. between 180° and 270°.
  • the hinge 11 is arranged in such a way that, when the porthole 8 is closed, its center of mass C11 is located, with respect to the rotation axis RR, at a diametrically opposite angular position with respect to the center of mass C12 of the first member 13 of the lock 12.
  • the grip-only handle 15 and the first member 13 of the lock 12 are arranged such that, when the porthole is closed, their centers of mass C15, C12 are located, with respect to the rotation axis, at angular positions that are reciprocally spaced by less than 90°.
  • the grip-only handle 15 is preferably arranged in the half of the porthole about the lock 12.
  • FIGs. 4-6 only an outer frame 30 of the porthole 8 is shown. A bowl 32 of the porthole 8 is not shown.
  • the construction of the porthole 8 is better disclosed below with reference to FIGs. 9 , 10 .
  • the position of the hinge 11 and of the lock 12 is indicated with the same reference numbers, even if the two are not visible.
  • FIG. 3-6 an identical handle 15 is shown in all four prefixed positions with respect to the frame 30.
  • the handle 15 can be one piece with the frame 30 or positionable with respect to it.
  • a handle 15a having a shape that is for example the mirror image of that of handle 15 may be provided in the case of porthole 8 hinged at its right, as shown in FIG. 7 and in FIG. 8 .
  • the handle may always be configured with an ergonomic shape, as shown by the handle 15 in FIGs. 3 , 4 and the handle 15a in FIGs. 7, 8 .
  • Such handle 15, 15a as shown in FIGs. 3 , 4 , 7, 8 has a body part 16, 16a cantilever or protruding radially inward from the outer frame 30 of the porthole 8 - within the above broad meaning -, and extending along an arc of a circumference, e.g. of about 40-55°.
  • the body part 16 is preferably generally flat, as defined above.
  • the body part 16, 16a has a first edge 17, 17a that is an arc of circumference and adjoins the inner circumference of a slanted wall 35 (see below) of the outer frame 30 of the porthole 8.
  • the body part 16, 16a has a second or free edge 18, 18a cantilevered from the outer frame 30 of the porthole 8.
  • the body part 16, 16a has a radial extent defined between the first edge 17, 17a and the free edge 18, 18a.
  • the radial extent of the handle 15, 15a is preferably not constant.
  • the free edge 18, 18a preferably adjoins or contacts the first edge 17, 17a at a first end 19, 19a of the handle 15, 15a that is upper in the mounted condition of the handle 15, 15a shown in FIGs. 3 , 4 , 7, 8 , so that the radial extent of the handle 15, 15a at first end 19, 19a is zero.
  • 20a of the handle 15, 15a opposite the first end 19, 19a and lower in the mounted condition of the handle 15, 15a shown in FIGs.
  • the free edge 18, 18a is preferably first curved, having a radially inner convexity so that the radial extent of the handle 15, 15a increases to a maximum and then decreases again to a minimum greater than zero at a corner 21, 21a near the second end 20, 20a of the handle 15, 15a; after the corner 21, 21a the free edge 18, 18a is straight along an almost radial direction, until it adjoins or contacts the first edge 17, 17a at the second end 20, 20a of the handle 15, 15a.
  • the handle 15, 15a thus preferably comprises a zone 22, 22a having a first or comparatively large radial extent, and a zone 23, 23a adjacent thereto having a second or comparatively small radial extent, smaller than the first radial extent, so that when the handle 15, 15a is gripped by a user, the zone 22, 22a having the first or comparatively large radial extent is gripped by the index finger and the medium finger, and the zone 23, 23a having the second or comparatively small radial extent is gripped by the ring finger and the little finger.
  • the handle 15, 15a is therefore ergonomic when in the positions of FIGs. 3 , 4 , 7, 8 , what helps the user to easily apply the required force to pull open the porthole 8.
  • dryer machines have a reversible porthole (left/right hinge). This may be obtained by interchanging the hinge portion 11a and the latch retaining mechanism 14 on the cabinet, and by rotating by 180° the porthole 8 or at least a frame assembly thereof.
  • lock 12 and handle 15 provide several advantages.
  • FIGs. 9-12 An advantageous embodiment of the porthole 8 is now better disclosed with reference to FIGs. 9-12 .
  • the porthole 8 comprises a frame assembly comprising, in the illustrated case, an outer frame 30, and an inner frame 31; a bowl 32 is advantageously sandwiched between the outer frame 30 and the inner frame 31.
  • the latch 13 is also shown in an exploded condition in FIGs. 9 , 10 .
  • the outer frame 30 is a preferably generally annular member, having an outer circumferential edge 33 and a preferably beveled inner circumferential edge 34. Between the outer circumferential edge 33 and the inner circumferential edge 34, the outer frame 30 has a preferably slanted wall 35. The slanted wall 35 is preferably closer to the cabinet 2 at the outer circumferential edge 33 than at the inner circumferential edge 34, with reference to the closed condition of the porthole 8 (see FIG. 12 ).
  • the inner frame 31 is also a preferably generally annular member, having a preferably tapered outer circumferential edge 36 and an inner circumferential edge 37. Preferably, between the outer circumferential edge 36 and the inner circumferential edge 37, the inner frame 31 has a flat wall 38.
  • the outer frame 30 and the inner frame 31 are preferably generally concave and advantageously they have a plurality of reinforcing ribs 39, 40, respectively.
  • the outer frame 30 and the inner frame 31 have preferably also a matching system for coupling to each other, with the interposition of the bowl 32 and the latch 13.
  • the outer frame 30 has advantageously a plurality of internally threaded bushings 41 and the inner frame 31 advantageously has a plurality of holes 42 in corresponding prefixed positions, for receiving a plurality of screws or bolts (not shown, but reference may be made to the embodiment shown in FIGs. 18-20 and described hereinbelow).
  • the ribs 39, 40 preferably extend about the bushings 41 and about the holes 42, respectively.
  • Any other matching system may be suitable, such as snap pins, welding, glueing and similar.
  • the seat 11b for the hinge 11 is advantageously made in the inner frame 31 and partly in the outer frame 30.
  • the inner frame 31 preferably diametrically opposite the centerline of the seat 11b for the hinge 11, there is an apertured seat 44 for the passage of the latch 13.
  • the inner side of the outer frame 30 has a protruding spacer 45 for abutting the latch 13 and keeping it out of the apertured seat 44 in inner frame 31.
  • the bowl 32 is preferably generally convex towards the inside of the laundry drying machine 1, protruding inwards from the inner frame 31.
  • the shape of the bowl 32 can depart from that shown.
  • the bowl 32 has preferably a circumferential rim 46 that is sandwiched between the outer frame 30 and the inner frame 31.
  • circumferential rim 46 has two diametrically opposite triangular protrusions 47.
  • the inner frame 31 has, on its inner circumferential edge 37, notches 48 for housing the triangular protrusions 47 of the bowl 32.
  • the outer frame 30 has, on its inner side, triangular protrusions 49 defining seats for the triangular protrusions 47 of the bowl 32.
  • the rotational position of the bowl 32 is well defined.
  • further matching lugs 50 and recesses 51 are provided on the inner and outer frames 30, 31, respectively, to define the rotational mutual position thereof.
  • the inner frame 31 has, on its inner circumferential edge 37, elastic retainers 51a defining the axial position of bowl 32.
  • the handle 15 is preferably one piece with the outer frame 30 and radially protrudes inward, cantilever from the inner circumferential edge 34. It is noted that in FIG. 10 the protruding portion of the handle 15 is hidden by the outer frame 30.
  • the body part 16 of handle 15 is, advantageously, slightly recessed with respect to the slanted wall 35 of the outer frame 30 near its circumferential inner edge, and ends, at its free edge 18, flush with the slanted wall 35 of the outer frame 30 so as not to protrude from the outer frame 30 outwards, i.e. away from the cabinet 2 in the closed condition of the porthole 8.
  • the beveled inner circumferential edge 34 of the outer frame 30 is, advantageously, interrupted at the handle 15 by a wall 52 extending along part of a cylindrical surface flush with the radially inner edge of the beveled inner circumferential edge 34.
  • Radially outer part 53 of the body portion 16 and lateral walls 54 advantageously fill the gap between the wall 52 and the beveled inner circumferential edge 34.
  • the body portion 16 of the handle 15 is thus crossed by the wall 52 at an intermediate zone of the body portion 16. This enhances the strength of the handle 15.
  • a plurality of reinforcing ribs 55 advantageously extend from the body portion 16.
  • the ribs 55 are generally L-shaped bodies arranged at the corner between the wall 52 and the body portion 16, on the inner side of handle 15 facing, when the porthole 8 is closed, the chamber 3 and/or the cabinet 2.
  • Reinforcing ribs 55 are preferably generally flat.
  • Each rib 55 includes a long edge 56 adjoining the inner side of the body portion 16 from the wall 52 towards and preferably up to the free edge 18, and a short edge 57 adjoining at least part of the wall 52.
  • the reinforcing ribs 55 may also extend shorter along the body portion 16 and/or longer along wall 52 (even up to its free edge) than shown.
  • the material flowing in the ribs 55 would tend to make depressions on the opposite side (outer side) of the flat body 16 of the handle 15.
  • the ribs 55 should be made enough thin.
  • the ribs 55 should be made enough thick and/or close to each other as to provide enough reinforcement against the flexural stress during opening of the porthole 8. A skilled in the art will find a proper compromise between the two opposite requirements without the exercise of inventive skills.
  • the reinforcing ribs 55 may have a thickness, e.g. of 1.2 mm, that is at most 40% of the thickness of the body portion 15, the latter being e.g. of 3 mm; the distance between reinforcing ribs 55 may be shorter than or equal to 2.8 mm. With those figures, there are about 25 reinforcing ribs 55 in 100 mm of length of the body portion 16.
  • the ribs 55 may extend parallel to each other as shown, or each rib 55 can extend in a radial plane.
  • the reinforcing ribs 55 also improve the grip on the handle 15 because they avoid slipping of the hand, especially a wet hand as may well occur when dealing with washing laundry.
  • the handle 15, 15a can be made one piece with the outer frame 30 - or generally speaking with the porthole 8 - as shown thus far.
  • the handle 15, 15a mounted in the various prefixed positions disclosed in connection with FIGs. 3-8 , however, two different outer frames 30 for a same handle 15 as shown in FIGs. 3-6 have to be manufactured, four different outer frames 30 for an always ergonomic handle 15, 15a as shown in FIGs. 3 , 4 , 7, 8 .
  • a handle 15, 15a made one piece with the outer frame 30, such as co-molded therewith, is very strong, inexpensive and neat.
  • FIG. 16 is schematic, and does not show several details as shown in FIGs. 9-11 .
  • Outer frame 30a corresponds to the outer frame 30 already disclosed apart from what disclosed below.
  • Handle 15b advantageously includes a body portion 16b similar to body portion 16 of handle 15, advantageously including a zone 22b having a comparatively large radial extent and a zone 23b having a comparatively small radial extent, as well as a wall 52b extending along part of a cylindrical surface and lateral walls 54b one piece therewith, similar to walls 52, 54 just described. Wall 52b crosses body portion 16b at an intermediate zone thereof.
  • the generally flat body portion 16b includes an arc of circumference edge 17b and a free edge 18b having the shape described above.
  • the other parts of handle 15b are labeled similarly to the corresponding parts of handle 15, with a "b" suffix.
  • a pair of bushings 59 advantageously protrudes, preferably generally radially, outwards, but extending parallel to each other and parallel to a median radial plane of the handle 15b.
  • the bushings 59 advantageously insert into bushings 60 having holes 61 that extend from the beveled inner circumferential edge 34a of outer frame 30a.
  • Bushings 60 also advantageously protrude preferably generally radially outwards, but extending parallel to each other and parallel to a median radial plane defined centrally of the two bushings 60.
  • Screws 62 or bolts advantageously retain the handle 15b to the outer frame 30a by passing through holes 61 and engaging bushings 59.
  • Outer frame 30a may include two or four series of holed bushings 60 as shown in FIGs. 14 , 16 for mounting the handle 15b (or a handle having a mirror-image shape similar to that shown in FIGs. 7, 8 ).
  • the holes 61 that are not used for mounting the handle 15b may be advantageously covered with a cap.
  • all the holes 61 may be covered by a thin membrane having a preferential rupture circumference, and during installation of the laundry machine 1, the membrane is removed only at the two holes 61 being actually used for mounting the handle 15b.
  • the free edge 18, 18a, 18b of the body portion 16, 16a, 16b can have a thickening 58, 58b, preferably rounded, on the inner side of the handles 15, 15a, 15b.
  • the handle of the porthole can also be fixed, instead of with screws and threaded holes as just described, with snap action pins, or any other suitable system, in particular suitable coupling element(s) and matching coupling element(s).
  • the position of the handle 15c may also be changed through a rotation of an annular handle support 63, which is part of the frame assembly, to which handle 15c is fixed (for example handle 15c and annular handle support 63 may be a single body or one piece); in this case annular handle support 63 is advantageously sandwiched between the outer and inner frames 30, 30a, 31, and it is arranged in such a way that it can be mounted in at least two different angular positions with respect to the rest of the frame assembly, and in particular to the outer frame 30, so that handle 15c is positionable in at least two prefixed positions by mounting annular handle support 63 in one of these at least two different angular positions.
  • the other parts of handle 15c are labeled similarly to the corresponding parts of handle 15, with a "c" suffix.
  • the grip-only handle 15b, 15c is configured to be alternatively positionable in one of at least two prefixed positions with respect to the frame(s) 30, 30a, 31.
  • said at least two prefixed positions are such that in any one of these prefixed positions, said grip-only handle 15b, 15c, when the porthole 8 is closed, has a different angular position with respect to the rotation axis RR.
  • the prefixed positions of the grip-only handle 15b, 15c correspond to those described above with reference to grip-only handles 15, 15a.
  • annular handle support 63 carrying or being a single body or one integral piece with the handle 15c, may be arranged in such a way to be individually separable from the porthole frame assembly.
  • FIGs. 18-31 Another advantageous embodiment of a porthole and detachable grip-only handle is now disclosed with reference to FIGs. 18-31 , wherein like parts are labeled similarly to the corresponding parts of the previously described embodiments, with reference numerals increased by 100. For details not disclosed below, reference may be made to the previously disclosed embodiments.
  • the porthole may be hinged at the left or at the right, and is thus reversible.
  • the porthole is shown hinged at the left.
  • FIGs. 18-20 a porthole 108, a hinge portion 111d of a hinge provided to pivot porthole 108 to the cabinet 2 of the laundry drying machine 1 (see FIGs. 1-3 ), a first member of a lock, or latch 113 -fixed with screws 113b-, and a detachable grip-only handle 115 are shown in an exploded perspective view. Moreover, a cover 170 used in combination with detachable grip-only handle 115 and further discussed below is shown in FIGs. 18-20 .
  • a member 180 of a sensor of the open/closed state of the porthole 108 is shown.
  • Member 180 cooperates with a switch (not shown) provided at cabinet 2 to issue a state signal to the electronic control unit of the laundry drying machine 1, which in turn may at least stop the rotation of the drum 4 once the porthole is sensed to be opened.
  • Member 180 is sandwiched between the outer frame 130 and the inner frame 131, and protrudes inwards from a slot 181 provided on the wall 138 of inner frame 131.
  • Porthole 108 comprises indeed a frame assembly that, similarly to the above embodiments, preferably comprises outer frame 130 and inner frame 131; a bowl 132 is conveniently sandwiched between the outer frame 130 and the inner frame 131.
  • Outer frame 130 is fastened to inner frame 131, e.g. through a plurality of screws 143 passing through holes 142 of the inner frame 131 and engaging into internally threaded bushings 141 of outer frame 130. Any other fastening means may be used, e.g. as those stated above in connection with the previous embodiment.
  • an essentially disc shaped cap 182 e.g. made of transparent plastic, is also conveniently sandwiched between the outer frame 130 and the inner frame 131, more precisely outwards of bowl 132.
  • This component avoids that a user may touch bowl 132, that might be hot during operation of the laundry drying machine 1. It may also play an aesthetic role.
  • Disc shaped cap 182 is preferably only slightly curved or essentially flat, and preferably has a thickened circumferential peripheral edge 183.
  • a plurality of holes or passages 184 are distributed around circumferential peripheral edge 183 for the passage of further screws not shown in the drawings.
  • Disc shaped cap 182 may also have a triangular protrusion 185 to define its rotational position by engagement with a triangular protrusion (not visible) of slanted wall 135 of the outer frame 130 or of wall 138 of inner frame 131.
  • a lint filter cover 186 is also conveniently sandwiched between the outer frame 130 and the inner frame 131, more precisely between the bowl 132 and the disc shaped cap 182, at a bottom position thereof.
  • Lint filter cover 186 has the shape of a circular segment and is usually made of an opaque material, in order to hide from view a lint filter (not shown) arranged in the aperture 10 of one of the air circulating ducts (See Fig. 2 ).
  • a plurality (two in the case shown) of holes or passages 187 are provided at the circular edge of lint filter cover 185 for the passage of screws.
  • a seat or slots 111e and 111f is/are provided in inner frame 131 and outer frame 130, respectively, instead of the single hinge seat 11b of the previously discussed embodiment. Also shown is a hinge pin 111g and bushings 111h for being interposed between the pin 111g and the holes 111i of hinge portion 111d.
  • Bowl 132 has four elongated lugs 147 instead of the triangular protrusions 47 of the first embodiment, and the outer frame 130 has corresponding elongated seats 149 for engagement of the four elongated lugs 147.
  • finishing ring 199 is shown (see also FIGs. 28-31 ), attached to the slanted wall 135 of outer frame 130. Finishing ring 199 is provided to enhance the aesthetical appearance of the front side of the porthole 108.
  • porthole 108 is advantageously reversible.
  • the inner frame 131 and the outer frame 130 are rotated by 180°, the positions of the hinge portion 111d and the latch 113 remaining the same with respect to the inner frame 130 and outer frame 131, turning out to be conversely interchanged with respect to the cabinet 2.
  • the position of bowl 132, disc shaped cap 182 and lint filter cover 186 is conversely not be changed. See also FIGs 21-24 .
  • a second slot 181a is provided in inner frame 131 diametrically opposite slot 181, to be used for the passage of sensor member 180 when the porthole 108 is hinged at the right upon turning the inner frame 131 by 180°, so that sensor member 180 may face the switch (not shown) provided at the cabinet 2.
  • the detachable grip-only handle 115 is advantageously arranged in such a way as to be separable from the frame assembly of porthole 108. Thus, its layout may be easily changed.
  • the grip-only handle 115 is preferably provided with one or more coupling elements and the frame assembly is provided with a matching coupling element, and more preferably a plurality of matching coupling elements, so that the handle 115 can be mounted in at least two different prefixed positions with respect to the frame assembly.
  • this is achieved by providing two seats 171a and 171b made in the frame assembly, in particular in outer frame 130, for alternatively receiving the handle 115.
  • seats 171a, 171b are such that in any of them, the grip-only handle 115, when the porthole 108 is closed, has a different angular position with respect to the drum rotation axis RR ( FIGs. 1-2 ).
  • the seats 171a, 171b are preferably symmetrical with respect to the horizontal median plane HH of the porthole 108.
  • Each seat 171a, 171b is preferably located at an angular position that is spaced by more than 90° from the location of hinge 11, notably from seat 111f.
  • each seat 171a, 171b is preferably offset with respect to the latch 113 of lock 12. More in particular, each seat 171a, 171b is located at an angular position that is spaced by less than 90° from the latch 113 of lock 12, and in the half of the porthole 108 about the latch 113.
  • the grip-only handle 115 is installed in seat 171a ( FIGs. 21 and 24 ) or respectively 171b ( FIGs. 22 and 23 )
  • the center of mass C115 of the handle 115 and the center of mass C12 of lock 12 are thus located, with respect to the rotation axis RR ( FIG. 1-2 ), at different angular positions, preferably at angular positions that are reciprocally spaced by less than 90°.
  • each seat 171a, 171b comprises a slot 172a, 172b in the outer circumferential edge 133 of outer frame 130, and advantageously exploits the bushings 141 of the outer frame 130 already provided for the screws 143, as matching coupling elements for coupling elements at the handle 115, in particular snapping coupling elements better described below.
  • the outer circumferential edge 133 of outer frame 130 is formed by a wall extending along the direction of the rotation axis RR, once the porthole is mounted on the machine cabinet.
  • the grip-only handle 115 advantageously comprises a body part 116 that, when the handle 115 is attached to the frame assembly of porthole 108, at one of the seats 171a, 171b, protrudes radially outwards from the frame assembly, in particular from the outer frame 130, and more in particular from the outer circumferential edge 133 of the outer frame 130.
  • the grip-only handle 115 is clearly visible, rather than being hidden by the frame of the porthole 108.
  • the body-part 116 slants outwardly relative to the cabinet 2 front wall so as to be easily grasped by user fingers.
  • Grip-only handle 115 further comprises a wall 152 that, when the handle 115 is attached to the frame assembly of porthole 108 at one of the seats 171a, 171b, matches the radially outer shape of the outer circumferential edge 133 of outer frame 130 and closes the slot 172a, 172b.
  • Grip-only handle 115 further comprises an attachment portion 190 that, when the handle 115 is attached to the frame assembly of porthole 108 at one of the seats 171a, 171b, protrudes radially inwards from the outer circumferential edge 133 of outer frame 130, within the concavity of the inner side of outer frame 130 itself.
  • the grip-only handle 115 extends through the wall forming the outer circumferential edge 133 of outer frame 130.
  • the body part 116 of the grip-only handle 115 has a first, radially inner edge 117 that is an arc of circumference and adjoins -in a mounted condition- the outer circumference of slanted wall 135 of outer frame 130, a second or free edge 118 cantilevered from the outer frame 130, and lateral edges 119, 119a.
  • the free edge 118 of grip-only handle 115 is slightly shorter than the first edge 117, so that the lateral edges 119 and 119a slightly converge from the first edge 117 towards the free edge 118.
  • the first edge 117 and the free edge 118 of the grip-only handle 115 are advantageously defined by two arcs of circumference concentric with one another and with the circumferential edges 133, 134 of the outer frame 130
  • the radial extent of handle 115 is constant along the majority of the handle 115. This has the advantage of providing a universal handle for the four prefixed positions shown in FIGs. 21-24 .
  • a plurality of reinforcing ribs 155 advantageously extends from the inner side of the grip-only handle 115.
  • the ribs 155 are generally flat bodies arranged parallel to each other or in a radial plane. Ribs 155 of handle 115 preferably extend for the entire radial extent of body part 116. Differently from ribs 55 of handle 15, ribs 155 of handle 115 however extend for the entire extent of body part 116 along cylindrical wall 152.
  • the body part 116 of grip-only handle 115 is advantageously slightly slanted, in such a way that the free edge 118 of the grip-only handle 115 protrudes outwards with respect to the first edge 117 of the grip-only handle 115.
  • the body part 116 of handle 115 is, differently from the previous embodiment, only slightly recessed with respect to the slanted wall 135 of the outer frame 130 near its circumferential outer edge 133, but ends, at its free edge 118, protruding outwards from the outer frame 130, i.e. away from the cabinet 2 in the closed condition of the porthole 108.
  • grip-only handle 115 provides an ergonomic grip to the user.
  • Attachment portion 190 of grip-only handle 115 comprises a wall 191 generally protruding radially inwards from the wall 152, and has reinforcing ribs 192. Attachment portion 190 further has, centrally, a pair of seats 193 one of which engages, if desired in a snapping action, one of the bushings 141 of outer frame 130. Attachment portion 190 further has, at its longitudinal ends, a pair of half-seats 194 for receiving another of the bushings 141 of outer frame 130.
  • Attachment portion 190 of grip-only handle 115 preferably further has seats 195 for receiving fixing elements, such as screws (not shown), engaging in further bushings 196 of the outer frame 130, so as to securely fix the handle to the outer frame 130.
  • detachable grip-only handle 115 is preferably used in combination with cover 170.
  • Cover 170 is advantageously provided to close the slot 171a or 171b that is not occupied by the grip-only handle 115.
  • grip-only handle 115 is attached at seat 171a
  • cover 170 is attached at seat 171b, and vice versa.
  • cover 170 similarly to the grip-only handle 115, has coupling element(s) that allow it to be attached to the outer frame 130 at the selected seat 171a, 171b of the outer frame 130, through the same matching coupling element(s) provided for handle 115.
  • cover 170 is quite similar to grip-only handle 115, in that it comprises a wall 152a similar to wall 152 of handle 115, and an attachment portion 190a similar to and preferably identical with attachment portion 190 of handle 115.
  • Attachment portion 190a is not disclosed in detail, but its parts are labeled similarly to the corresponding parts of handle 115, with an "a" suffix.
  • cover 170 lacks a protruding body portion similar to body portion 116 of handle 115.
  • the external surface of the cover 170 is such as to be flush, when installed, with the outer circumferential edge 133 of the outer frame 130. In this way, the appearance of the outer frame 130 is not impaired by the provision of the additional seat for the detachable grip-only handle 115.
  • the reciprocal position of the grip-only handle 115 and of the cover 170 is reversible by the user by removing the outer frame 130 from the frame assembly.
  • the grip-only handle 115 and cover 170 are easily removable from their seats 171a, 171b provided in the outer frame 130 especially when fixing screws are not used through seats 195.
  • the grip-only handle 115 can always be placed in the position deemed optimal by the user as a function of the arrangement and location of the laundry drying machine 1 (see FIGs. 21-24 ). In this way, porthole 108 can be easily opened/closed independently on whether the porthole 108 has to be right-hand or left-hand openable or whether the laundry drying machine rests on a floor or on a laundry washing machine.
  • FIGs. 28-31 further show a finishing ring 199 fitted in a dedicated recess 200 located in the outer side of the slanted wall 135 of the outer frame 130.
  • Such finishing ring 199 may be adhesively attached to the outer frame 130.
  • More than two seats 171a, 171b, and correspondingly more than one cover 170, may be provided.
  • the grip-only handle may protrude radially inwards from the frame assembly similarly to the embodiment of FIGs. 1-17 , or radially outwards from the frame assembly similarly to the embodiment of FIGs. 18-31 , still being attached to one or more components of the porthole 108 different from outer frame 130, or being one piece with one or more different components of the porthole 108, so that, when the porthole 108 is viewed from the outside in a direction along rotation axis RR, the grip-only handle is clearly visible, rather than being hidden by the frame of the porthole.
  • the porthole can comprise only a single frame and a bowl suitably fixed thereto, or even no bowl and be one transparent or non-transparent part.

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

Claims (14)

  1. Sèche-linge (1) comprenant une carrosserie (2) contenant une chambre (3) pour traiter du linge, ayant un axe de rotation (RR) et supporté par un ou plusieurs galets montés de manière rotative sur une structure de support rattachée à la carrosserie, un hublot (8, 108) pour permettre l'accès à la chambre (3) et pour la fermer hermétiquement, une charnière (11) pour faire pivoter le hublot (8, 108) sur la carrosserie (2), un verrou (12) d'un type qui permet l'ouverture du hublot pendant le fonctionnement du sèche-linge, ce verrou (12) comportant un premier élément (13, 113) sur le hublot (8, 108) et un élément complémentaire (14) sur la carrosserie (2), et une poignée de préhension (15, 15b, 15c, 115) prévue au niveau du hublot pour être saisie par un utilisateur afin d'appliquer une force de traction sur le hublot pour l'éloigner de la carrosserie.
    dans lequel ledit hublot (8, 108) comporte un ensemble de cadres comprenant au moins un cadre (30, 30a, 31; 130, 131),
    dans lequel ledit verrou (12) est configuré de façon à être dégagé en appliquant une force au-delà d'un seuil sur le hublot (8, 108) pour l'éloigner de la carrosserie (2),
    dans lequel ladite poignée de préhension (15, 15b, 15c, 115) est configurée de façon à pouvoir être positionnée alternativement dans une d'au moins deux positions préfixées par rapport audit au moins un cadre (30, 30a, 31; 130, 131) dudit ensemble de cadres,
    caractérisé en ce que
    ladite poignée de préhension (15, 15b, 15c, 115) comporte une partie corps (16b, 16c, 116) qui fait saillie, lorsque ladite poignée de préhension (15, 15b, 15c, 115) est assemblée audit ensemble de cadres, radialement vers l'intérieur ou radialement vers l'extérieur depuis ledit au moins un cadre (30, 30a, 130, 31, 131).
  2. Sèche-linge (1) selon la revendication 1, dans lequel lesdites au moins deux positions préfixées sont telles que, dans l'une quelconque de ces positions préfixées, ladite poignée de préhension (15, 15b, 15c, 115), lorsque le hublot (8, 108) est fermé, a une position angulaire différente par rapport audit axe de rotation (RR).
  3. Sèche-linge (1) selon la revendication 1 ou 2, dans lequel ladite poignée de préhension (15b, 115) est pourvue d'un ou de plusieurs éléments d'accouplement (59, 190, 193-195) et ledit ensemble de cadres est pourvu d'une pluralité d'éléments d'accouplement complémentaires (60, 62, 171a, 171b, 141, 196) de manière à ce que la poignée de préhension (15b, 115) puisse être montée dans lesdites au moins deux positions préfixées.
  4. Sèche-linge (1) selon la revendication 3, dans lequel au moins un couvercle (170) ayant un ou plusieurs éléments d'accouplement (190a, 193a-195a) similaires à celui/ceux de la poignée de préhension (115) est prévu en outre, et dans lequel, lorsque la poignée de préhension (115) est montée dans une position présélectionnée desdites au moins deux positions préfixées, l'au moins un couvercle (170) est prévu dans l'autre ou les autres d'au moins deux positions préfixées.
  5. Sèche-linge (1) selon la revendication 3 ou 4, dans lequel lesdits éléments d'accouplement complémentaires (171a, 171b, 141, 196) dudit ensemble de cadres comportent des douilles (141) qui sont aussi utilisées pour assembler ledit au moins un cadre (130, 131) dudit ensemble de cadres.
  6. Sèche-linge (1) selon une ou plusieurs des revendications précédentes, dans lequel la poignée de préhension (115) s'étend à travers une paroi formant le bord extérieur (133) dudit au moins un cadre (130) de l'ensemble de cadres.
  7. Sèche-linge (1) selon l'une quelconque des revendications précédentes, dans lequel une paroi formant le bord extérieur (133) dudit au moins un cadre (130) de l'ensemble de cadres comporte une fente (172a, 172b) pour recevoir la poignée de préhension (115) ou un couvercle (170).
  8. Sèche-linge (1) selon la revendication 1 ou 2, dans lequel ladite poignée de préhension (15c) est une seule pièce avec un support de poignée annulaire (63), compris dans ledit ensemble de cadres, qui peut être monté dans au moins deux positions angulaires différentes par rapport au reste dudit ensemble de cadres, de manière à ce que ladite poignée de préhension (15c) puisse être positionnée dans lesdites au moins deux positions préfixées en montant ledit support annulaire de poignée (63) dans une de ces au moins deux positions angulaires différentes.
  9. Sèche-linge (1) selon une ou plusieurs des revendications précédentes, dans lequel ladite poignée de préhension (15, 15b, 15c, 115) et ledit premier élément (13, 113) dudit verrou (12) sont agencés de manière à ce que, lorsque le hublot (8, 108) est fermé, leurs centres de masse (C15, C15b, C15c, C115, C12) sont situés, par rapport audit axe de rotation (RR), dans différentes positions angulaires.
  10. Sèche-linge (1) selon une ou plusieurs des revendications précédentes, dans lequel ladite charnière (11) est agencée de manière à ce que, lorsque le hublot (8, 108) est fermé, son centre de masse (C11) est situé, par rapport audit axe de rotation (RR), dans une position angulaire diamétralement opposée par rapport au centre de masse (C12) dudit premier élément (13, 113) dudit verrou (12).
  11. Sèche-linge (1) selon une ou plusieurs des revendications précédentes, dans lequel ladite poignée de préhension (15, 15b, 15c, 115) et ledit premier élément (13, 113) dudit verrou (12) sont agencés de manière à ce que, lorsque le hublot (8, 108) est fermé, leurs centres de masse (C15, C15b, C15c, C115, C12) sont situés, par rapport audit axe de rotation (RR), dans des positions angulaires qui sont espacées réciproquement de moins que 90°.
  12. Sèche-linge (1) selon une ou plusieurs des revendications précédentes, dans lequel il y a une paroi (52, 52b) de la poignée (15b, 15c) ou de l'au moins un cadre (30, 30a, 31) qui traverse la partie corps (16b, 16c) au niveau d'une zone intermédiaire de la partie corps (16b, 16c), et une pluralité de nervures de renfort (55) s'étendant depuis la partie corps (16b, 16c) et la paroi (52, 52b), et dans lequel les nervures (55) sont des corps généralement en forme de L disposés à un coin entre la paroi (52, 52b) et la partie corps (16b, 16c), sur le côté intérieur de la poignée de préhension (15b, 15c) faisant face, lorsque le hublot (8) est fermé, à la chambre (3) et/ou à la carrosserie (2).
  13. Sèche-linge (1) selon l'une quelconque des revendications 1 à 3 ou 8 à 12, dans lequel ladite poignée de préhension (15b, 15c) est agencée de façon à pouvoir être séparée individuellement dudit ensemble de cadres.
  14. Sèche-linge (1) selon la revendication 13, dans lequel ledit ensemble de cadres comprend un cadre extérieur (30, 30a), un cadre intérieur (31), et une cuvette (32) supportée sur ledit cadre extérieur (30, 30a) et ledit cadre intérieur (31), et dans lequel ladite poignée de préhension (15b, 15c) est agencée de manière à pouvoir être séparée individuellement dudit cadre extérieur (30, 30a) et/ou dudit cadre intérieur (31) pour permettre de changer sa position entre lesdites au moins deux positions préfixées.
EP15157029.8A 2015-02-27 2015-02-27 Sèche-linge Active EP3061862B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15157029.8A EP3061862B1 (fr) 2015-02-27 2015-02-27 Sèche-linge
PCT/EP2016/054075 WO2016135285A1 (fr) 2015-02-27 2016-02-26 Sèche-linge
CN201680011742.1A CN107257872A (zh) 2015-02-27 2016-02-26 衣物干燥机
AU2016223373A AU2016223373B2 (en) 2015-02-27 2016-02-26 Laundry drying machine
AU2020204364A AU2020204364B2 (en) 2015-02-27 2020-06-30 Laundry drying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15157029.8A EP3061862B1 (fr) 2015-02-27 2015-02-27 Sèche-linge

Publications (2)

Publication Number Publication Date
EP3061862A1 EP3061862A1 (fr) 2016-08-31
EP3061862B1 true EP3061862B1 (fr) 2019-07-31

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EP15157029.8A Active EP3061862B1 (fr) 2015-02-27 2015-02-27 Sèche-linge

Country Status (1)

Country Link
EP (1) EP3061862B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081858B (en) * 1980-08-08 1984-01-18 Philips Electronic Associated Domestic appliance
DE4304086C1 (de) * 1993-02-11 1994-03-24 Bauknecht Hausgeraete Sicherheitstürverschluß für Haushaltgeräte, insbesondere für Wäschetrockner
US8661860B2 (en) 2009-07-31 2014-03-04 Bsh Home Appliances Corporation Door bowl for a household appliance door
US8127464B2 (en) 2009-07-31 2012-03-06 Bsh Home Appliances Corporation Front ring for a household appliance door
DE102012202745B4 (de) * 2012-02-22 2021-06-10 BSH Hausgeräte GmbH Tür für ein Haushaltsgerät und Verfahren zum Wechsel eines Türanschlags
PL2843105T3 (pl) * 2013-08-30 2017-07-31 Electrolux Appliances Aktiebolag Zespół drzwiowy dla urządzenia do obróbki prania i sposób jego eksploatacji

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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