JP2008245689A - Washing and drying method and washing and drying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a washing and drying method and a washing and drying apparatus which reduce a change in view of hung laundry by reciprocatingly rotating and swinging the laundry about the vertical axis and minimize the width of displacement caused by a movement of a laundry pole in the washing and drying apparatus used for drying the laundry hung in a space. <P>SOLUTION: The washing and drying apparatus includes the laundry pole 3 having a circular cross-section of a shaft, and action means for rotating the laundry pole 3. A hanger 4 on which the laundry is hung is suspended from the laundry pole 3, the surface of the laundry pole 3 incudes an induction means for changing the horizontal angle of the hanger 4 with the rotation of the laundry pole 3, and the laundry is made to visually slowly act, so that the change in view of the dried laundry is reduced. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a laundry drying method and a laundry drying apparatus that are used when a laundry is dried by hanging the laundry on a clothesline and shaking the laundry.

Conventionally, this type of clothes drying apparatus will be described with reference to FIG. The clothes drying apparatus 101 is used outdoors or indoors, and a clothes rack 102 for hanging clothes is supported by a basket holder 103. The basket receiver 103 is swung by a motor 105 about a rotating shaft 104, thereby causing the clothes rack 102 to swing. The air in the vicinity of the laundry is indirectly moved by reciprocating in the axial direction and swinging the laundry suspended from the basket 102, thereby promoting the drying of the laundry. Moreover, the motor 105 and the rotating shaft 104 are being fixed to the support | pillar 106 (for example, refer patent document 1).
JP 2005-288124 A

  The conventional clothes drying apparatus exemplified in Patent Document 1 operates the motor 105 to reciprocate the clothes basket 102 on which the laundry is suspended in the axial direction. On the other hand, considering that it is used for indoor drying of laundry, which has been increasing in recent years, the laundry suspended on the laundry basket 102 swayed without busyness and felt visually annoying for the residents due to many visual changes. There was a problem that he could not settle down and lived. In addition, the laundry basket 102 repeats an operation in which the end portion in the axial direction protrudes from the clothes drying apparatus, and there is a problem that the person or the object is damaged by the end portion of the laundry basket hitting the person or the object.

  The present invention solves such a conventional problem. By reciprocating and swinging the laundry about the vertical axis, the suspended laundry can be reduced in visual change, and An object of the present invention is to provide a washing / drying method and a washing / drying apparatus capable of minimizing the displacement operation.

  In order to achieve the above object, the laundry drying method and the laundry drying apparatus of the present invention rotate the laundry about the vertical axis in order to promote the drying of the laundry hung on the clothesline via a hanger. Is. By this means, it is possible to reduce a visual change with respect to the dried laundry by causing the laundry to be visually relaxed.

  In addition, the other means includes a clothes-drying bowl having a circular shaft cross-sectional shape and an operating means for rotating the clothes-drying basket, and a hanger on which the laundry is hung is suspended from the clothes-drying basket. The surface is provided with guiding means capable of changing the horizontal angle of the hanger in accordance with the rotation operation of the drying basket. Thereby, the displacement operation | movement of a clothes-drying basket can be made small.

  The other means is a means for continuously rotating the axis of the laundry basket as an operation means. Thereby, since the rotation direction of the motor may be unidirectional, an inexpensive induction type AC motor can be used.

  Further, the other means is to perform a pendulum operation on the clothesline with a support shaft eccentric from the axis center of the clothesline. Thereby, energy saving in the operating means can be achieved.

  The other means is provided with a motor and a swing slider crank mechanism as operation means, and is arranged so that the swing motion surface of the swing slider crank mechanism is perpendicular to the axis of the clothesline. Thereby, since the rotation direction of the motor may be unidirectional, an inexpensive induction type AC motor can be used.

  Further, the other means includes a groove in which the circumferential surface of the clothes hanger is continuously depressed as a guiding means, and a hanger is suspended along the depression of the groove, and the locus of the depression of the groove corresponds to the clothes hanger. The groove is provided so as to cross the first imaginary plane perpendicular to the major axis. Thereby, the laundry hung on the hanger can be reliably rotated.

  Another means is a wedge-shaped or inverted trapezoidal shape in which a side surface of the groove is provided with a gradient as a cross-sectional shape with respect to the groove depression. Thereby, regardless of the size of the hanger width, there is no clearance between the groove and the hanger, so that the direction of the hanger can be rationally induced.

  Another means is that the locus of the deepest recess of the groove exists on the second virtual plane, and the second virtual plane has a certain angle with respect to the first virtual plane. is there. Thereby, a hanger can operate | move smoothly.

  Another means is that the third virtual plane on which the outline of the groove formed on the circumferential surface of the clothesline is present is substantially parallel to the first virtual plane. Accordingly, the hanger can be easily and reliably suspended along the recess of the groove regardless of the rotation angle of the hanging basket, and the burden during the drying operation can be reduced.

  Another means is that the shape of the locus of the deepest part of the recess in the groove is a perfect circle. Thereby, a hanger can operate | move smoothly.

  In addition, the other means is provided with air blowing means capable of blowing air to the laundry, and an outlet of the air blowing means is provided in the vicinity of the clothesline. Thereby, more effective drying of the laundry can be promoted.

  The other means uses a cross flow fan provided with a rotating shaft parallel to the axis of the clothesline as the air blowing means. Thereby, it can blow equally with respect to the several laundry dried by the clothesline.

  Another means is that exhaust means capable of exhausting room air is provided in the vicinity of the clothesline. Thereby, water vapor generated from the laundry can be exhausted.

  According to the present invention, by rotating or reciprocatingly swinging the laundry basket around the long axis of the laundry basket, the laundry is rotated around the vertical axis, thereby visually changing the hanging laundry. It is possible to provide a washing and drying method and a washing and drying apparatus that can reduce the amount of movement of the clothes-drying basket as much as possible. In addition, the hanger can be operated reliably, rationally and smoothly, and the cost can be reduced.

  According to the first aspect of the present invention, since the laundry is rotated about the vertical axis so as to promote the drying of the laundry hung on the clothesline via the hanger, the laundry is visually relaxed. By having the operation described above, there is an effect that the visual change with respect to the dried laundry can be reduced.

  The invention according to claim 2 of the present invention comprises a laundry basket having a circular shaft cross-sectional shape and an operating means for rotating the clothes basket, and a hanger on which a laundry is hung is suspended from the laundry basket. Since the surface of the laundry basket is provided with guiding means that can change the horizontal angle of the hanger as the laundry basket rotates, it has the effect that the displacement movement of the clothes basket can be minimized.

  The invention according to claim 3 of the present invention has the effect that an inexpensive induction type AC motor can be used because the rotation direction of the motor may be unidirectional because it is continuously rotated around the axis of the hanging basket as the operating means. Have.

  The invention according to claim 4 of the present invention has an effect that energy saving in the operating means can be achieved because the hanging basket is pendulum-operated with a spindle that is eccentric from the axis center of the hanging basket.

  The invention according to claim 5 of the present invention includes a motor and a swing slider-crank mechanism as operating means, and is arranged so that the swing motion surface of the swing slider crank mechanism and the axis of the clothes rack are perpendicular to each other. Since the rotation direction of the motor may be unidirectional, an inexpensive induction type AC motor can be applied.

  The invention according to claim 6 of the present invention is provided with a groove in which the circumferential surface of the clothes-drying basket is continuously depressed as the guiding means, a hanger is suspended along the groove depression, and the locus of the groove depression is Since the groove is provided so as to cross the first imaginary plane perpendicular to the long axis of the laundry basket, the laundry hung on the hanger can be reliably rotated.

  In the invention according to claim 7 of the present invention, since the cross-sectional shape with respect to the recess of the groove is a wedge shape or an inverted trapezoidal shape in which the side surface of the groove is provided with a gradient, the gap between the groove and the hanger is not affected regardless of the width of the hanger. Since there is no clearance, the direction of the hanger can be rationally induced.

  In the invention according to claim 8 of the present invention, the locus of the deepest recess of the groove exists on the second virtual plane, and the second virtual plane has a certain angle with respect to the first virtual plane. Therefore, the hanger can operate smoothly.

  In the invention according to claim 9 of the present invention, the third imaginary plane in which the outline of the groove formed on the circumferential surface of the laundry basket exists is substantially parallel to the first imaginary plane, Regardless of the rotation angle of the clothes-drying basket, the hanger can be easily and reliably suspended along the recess of the groove, and the load during the clothes-drying operation can be reduced.

  The invention according to claim 10 of the present invention has an effect that the hanger can operate smoothly because the shape of the locus of the deepest recess of the groove is a perfect circle.

  According to the eleventh aspect of the present invention, there is provided an air blowing means capable of blowing air to the laundry, and since the discharge port of the air blowing means is provided in the vicinity of the clothes-drying basket, further effective drying of the laundry can be promoted. Have

  In the twelfth aspect of the present invention, since a cross flow fan having a rotating shaft that is parallel to the axis of the drying basket is used as the blowing means, the fan is evenly blown to a plurality of laundry dried on the drying basket. Has the effect of being able to

  According to the thirteenth aspect of the present invention, the exhaust means capable of exhausting the room air is provided in the vicinity of the clothesline, so that water vapor generated from the laundry can be exhausted.

  Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1)
FIG. 1 shows a cross-sectional view of the washing and drying apparatus in Embodiment 1 of the present invention, and FIG. 2 shows an external perspective view of the washing and drying apparatus in Embodiment 1 of the present invention. The washing / drying apparatus according to Embodiment 1 of the present invention includes an operation base 2A and a support base at the tip of each of the two support arms 1A and 1B attached to a housing part such as a wall surface or a ceiling surface. 2B is provided, and a clothes-drying basket 3 having a circular cross section that is horizontally supported by each of the operation base 2A and the support base 2B is provided. A laundry hanging on the hanger 4 is hung on the clothesline 3.

  Next, the internal configuration of the operation base 2A will be described in detail. The housing 6A of the operation base 2A is provided with a bearing 7A held by the housing 6A, and the clothes basket 3 is rotatably supported by the bearing 7A in the radial direction. Specifically, the basket rotating shaft 5A of the clothes rack 3 centering on A-A 'introduced into the housing 6A is supported by the bearing 7A so as to be rotatable in the radial direction. Further, a motor 8 with a speed reducer as an operating means is accommodated inside a housing 6A with a vibration isolating member (not shown) such as an anti-vibration rubber interposed therebetween. And the speed reducer unit 10, the rotating shaft 11 of the motor unit 9 serves as the input shaft of the speed reducer unit 10, and the rotation of the rotating shaft 11 is decelerated in the speed reducer unit 10, and a low speed rotation is output from the output shaft 12. The A gear 13 is meshed with a gear (not shown) provided on the output shaft 12 of the speed reducer unit 10 on the basket rotating shaft 5A of the hanging basket 3 centered on AA ′ introduced into the housing 6A. When the motor 8 with a speed reducer is driven, the clothes basket 3 rotates at a low speed around the axis. Inside the housing 6A, there is provided control means 14 capable of arbitrarily controlling the rotational speed, rotation direction and operation timing of the motor 8 with speed reducer, and with respect to the motor section 9 of the motor 8 with speed reducer. Are connected by electric signal lines through which control signals can be transmitted. The motor unit 9 of the motor 8 with a reduction gear can control the rotation direction and the number of rotations by the control means 14, and for example, a DC brushless motor or the like is used.

  Next, the internal configuration of the support base 2B will be described in detail. The housing 6B of the support base 2B is provided with a bearing 7B held by the housing 6B, and the basket rotating shaft 5B of the clothes-drying basket 3 is supported by the bearing 7B so as to be rotatable in the radial direction. Specifically, the basket rotating shaft 5B of the clothes rack 3 centered on A-A 'introduced into the housing 6B is supported by the bearing 7B so as to be rotatable in the radial direction.

  The clothes basket 3 is provided with a groove 16 as guiding means for changing the horizontal angle of the hanger 4 suspended from the clothes basket 3 as the clothes basket 3 rotates. On the circumferential surface 15 of the laundry basket 3, groove deepest portions 18 are provided between the groove contour lines 17 provided in parallel to both edges of the groove 16. linked. The locus of the deepest portion 18 of the groove dent exists in the second imaginary plane ZZ ′, and is perpendicular to the second imaginary plane ZZ ′ and the axis AA ′ that is the axial center line of the hanging basket 3. The angle θ1 configured by the first virtual plane YY ′ is a certain angle (for example, 15 ° in the present embodiment). Since the clothes-drying basket 3 has a circular cross-sectional shape, the locus of the groove deepest portion 18 is inevitably configured in an elliptical shape, and the hanger 4 having the groove deepest portion 18 as a contact is connected to the hanger 4 of the groove 16. It will be guided smoothly with respect to the direction. In addition, by changing the depth of the recess shape of the groove 16 with respect to the circumferential direction, the locus of the groove recess deepest portion 18 can be made to be a perfect circle. Will be guided smoothly. Further, as the cross-sectional shape of the groove 16 with respect to the traveling direction, a slope is provided on the side surface of the groove 16 (in this embodiment, it is a wedge shape, but may be an inverted trapezoidal shape), and the thickness of the hanger 4 to be hung is suspended. Regardless of this, there is no clearance between the groove 16 and the hanger 4, so that the direction of the hanger 4 can be effectively induced rationally.

  Next, the operation of the washing / drying apparatus according to Embodiment 1 of the present invention will be described. By continuously operating the motor 8 with a speed reducer, the clothes-drying basket 3 also rotates continuously around the basket rotation shafts 5A and 5B. The laundry hanging on the hanger 4 is suspended along the groove 16 on the laundry basket 3, and the contact angle between the hanger 4 and the groove 16 is induced in the direction of the groove 16 along with the continuous rotation of the laundry basket 3. The swinging motion is changed so that the laundry reciprocates and rotates integrally with the hanger 4. Accordingly, the laundry can be swung without causing the laundry basket 3 to be displaced in the axial direction, and the laundry can be moved without touching the laundry, so that the laundry can be prevented from being soiled. .

  Next, a specific operation of the hanger 4 will be described with reference to FIG. FIG. 3 shows a schematic diagram of the operation of the hanging basket in Embodiment 1 of the present invention. FIGS. 3 (a) to 3 (d) show the rotation of the drying basket 3 along with the rotation of the drying basket 3. The schematic diagram which looked at the clothes-drying basket 3 in the state which made the angle 0 degree, 90 degrees, 180 degrees, and 270 degrees from the upper direction to the vertically downward direction, respectively is shown. With the rotation of the clothes basket 3, the hanger 4 is swung, but the horizontal angle of the hanger 4 changes in the order of FIG. 3 (a) to FIG. 3 (d). Further, after FIG. 3D, the state returns to the state of FIG. 3A, and the operation of the hanger 4 is repeated.

  As described above, according to the first embodiment, the visual change with respect to the laundry suspended by swinging the laundry suspended on the clothesline 3 so as to reciprocate around the vertical axis. Therefore, the resident can settle down and live a life even when used indoors. Moreover, since the laundry basket 3 is rotated so that the displacement width does not occur, the laundry is reciprocatingly swung around the vertical axis, so that the fear that the end of the clothes basket 3 hits a person or an object can be eliminated. .

(Embodiment 2)
The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. FIG. 4 shows a cross-sectional view of the washing / drying apparatus according to Embodiment 2 of the present invention. The laundry drying apparatus according to Embodiment 2 of the present invention is different from the laundry drying apparatus shown in FIGS. 1 and 2 in the configuration of the clothes-drying basket 3, and in FIG. 4, the same components as those in FIGS. The same reference numerals are used for and the description is omitted.

  In FIG. 4, in the washing and drying apparatus according to the second embodiment of the present invention, the groove outline 17 provided parallel to both edges of the groove 16 exists on the third virtual plane XX ′, and the laundry basket 3 Are provided in parallel with the first virtual plane YY ′ that is perpendicular to the axial center line AA ′. Accordingly, since the angle of the groove outline 17 is always perpendicular to the clothesline 3 regardless of the rotation angle of the clothesline 3, the hanger 4 is suspended from the clothesline 3 without being inclined in the direction of the groove 16. Can reduce the burden of clothes drying. Also, the laundry basket 3 is provided with a basket rotating shaft 5A and a basket rotating shaft 5B that function as a support shaft on BB ′ that is eccentric upward with respect to AA ′ that is the axial center line of the clothes basket 3. It has been.

  Next, the operation of the washing / drying apparatus according to Embodiment 2 of the present invention will be described. By rotating the motor with a speed reducer forward and backward, the hanging basket 3 is operated in a pendulum manner with the axis BB ′ that is eccentric from the axis AA ′ that is the axis of the hanging basket 3 as the rotation axis. Do it. It is possible to reduce the energy for operating the laundry basket 3.

  As described above, according to the second embodiment, the law of conservation of energy works by operating the hanging basket 3 with a pendulum, and the energy for operating the hanging basket 3 can be reduced.

(Embodiment 3)
The same parts as those in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted. FIG. 5A shows a cross-sectional view of the washing and drying apparatus according to Embodiment 3 of the present invention, and FIG. FIG. The washing and drying apparatus according to Embodiment 3 of the present invention is different from the washing and drying apparatus shown in FIGS. 1 and 2 in the internal configuration of the operation base 2A. FIG. 5 is the same as FIGS. Constituent elements are denoted by the same reference numerals and description thereof is omitted.

  With reference to FIG. 5, the internal configuration of the motion base 2A according to Embodiment 3 of the present invention will be described. The housing 6A of the operation base 2A is provided with a bearing 7A held by the housing 6A, and the clothes basket 3 is rotatably supported by the bearing 7A in the radial direction. Specifically, the basket rotating shaft 5A of the clothes rack 3 centering on A-A 'introduced into the housing 6A is supported by the bearing 7A so as to be rotatable in the radial direction. Further, a motor 8 with a speed reducer as a motor and a crank 20, a cam follower 21 and a slider 22 as a swing slider crank mechanism are used as operating means. The motor 8 with a speed reducer is housed in a housing 6A with a vibration isolating member (not shown) interposed therebetween, and a crank 20 is eccentric to the output shaft 12 on the output shaft 12 of the speed reducer motor 8. A cam follower 21 is provided on 20. On the other hand, the basket rotating shaft 5A of the clothes basket 3 centered on AA ′ introduced into the housing 6A is provided with a slider 22 having a long hole 23. The cam follower 21 is located in the position. The motor unit (not shown) of the motor 8 with a reduction gear is only required to be able to rotate at a constant speed only in one direction. For example, an induction AC motor or the like is used.

  Next, the operation of the washing / drying apparatus according to Embodiment 3 of the present invention will be described. When the motor 8 with speed reducer is driven to rotate in the same direction at a constant speed, the cam follower 21 rotates around the output shaft 12 at a position eccentric from the output shaft 12 by a certain amount. The slider 22 follows the cam follower 21 and reciprocates and swings around A-A '. The clothes-drying basket 3 also reciprocates and swings around A-A'.

  As described above, according to the third embodiment, it is possible to reciprocate and swing the laundry basket 3 with only one direction of rotation of the motor 8 with speed reducer without performing rotation control of the motor 8 with speed reducer. Therefore, the cost of the apparatus can be reduced.

(Embodiment 4)
The same parts as those in the first to third embodiments are denoted by the same reference numerals, and detailed description thereof is omitted. FIG. 6 shows an external perspective view of the washing and drying apparatus according to Embodiment 4 of the present invention, and FIG. 7 is a cross-sectional view of the air blowing unit of the washing and drying apparatus according to Embodiment 4 of the present invention. The washing and drying apparatus according to the fourth embodiment of the present invention is obtained by adding a blower unit to the upper part of the washing and drying apparatus shown in FIGS. 1, 2, 4, and 5. The same reference numerals are used for the same components as those in FIGS.

  6 and 7, the washing / drying apparatus according to Embodiment 4 of the present invention is provided with a blower unit 31 installed on the ceiling 30 above the clothes-drying basket 3, and the blower unit 31 includes support arms 1A and 1B. Thus, the operation base 2A and the support base 2B are fixed. The blower unit 31 includes a crossflow fan 32 as a blower capable of blowing air to the laundry, an exhaust fan 33 as an exhauster for discharging water vapor diffused from the laundry, a crossflow fan 32 and an exhaust. A motor 34 is provided so that the fan 33 can rotate coaxially. The cross flow fan 32 can circulate and blow room air, and can blow room air sucked from the suction port 35 from the discharge port 36. Further, the exhaust fan 33 can suck indoor air from the exhaust port 37 and discharge it to the outside through the duct 38.

  The discharge port 36 is located immediately above the clothes-drying basket 3 in the vicinity of the clothes-drying basket 3 (for example, immediately above 15 cm in this embodiment), and the laundry is blown to the clothes-drying basket 3 that is the center of the laundry. The wind can be applied to the center of the laundry, and the laundry can be dried more quickly. Similarly, the exhaust port 37 is also located immediately above the clothes-drying basket 3 in the vicinity of the clothes-drying basket 3 (in this embodiment, for example, just above 15 cm), before the water vapor released from the laundry is diffused into the room. Can be discharged. In addition, since the rotation axis (CC ′) of the cross flow fan 32 is provided so as to be parallel to the long axis of the clothes-drying basket 3, air is uniformly blown to a plurality of laundry suspended on the clothes-drying basket 3. can do.

  As described above, according to the fourth embodiment, the air blowing unit 31 is provided with the discharge port 36 through which air is blown out at a position where air can be appropriately blown to the laundry hung on the laundry basket 3. By driving, the laundry can be dried more effectively.

  As described above, the washing and drying apparatus of the present invention can accelerate the drying of clothes in a state where the clothes are hung on a clothesline, in addition to a laundry room, a dressing room, a washroom, a bathroom, a living room, It can also be applied to bedrooms, verandas, solariums and the like.

Sectional drawing of the washing-drying apparatus in Embodiment 1 of this invention 1 is an external perspective view of a washing and drying apparatus according to Embodiment 1 of the present invention. FIG. 3 is a schematic diagram of the operation of the hanging basket in the first embodiment of the present invention ((a) a diagram showing the same operation order, (b) a diagram showing the same operation sequence, (c) a diagram showing the same operation sequence, (d) the same operation Figure showing the order) Sectional drawing of the washing-drying apparatus in Embodiment 2 of this invention Sectional view of the washing and drying apparatus according to Embodiment 3 of the present invention ((a) sectional view of the washing and drying apparatus, (b) sectional view of the washing and drying apparatus taken along W-W ') External appearance perspective view of the washing-drying apparatus in Embodiment 4 of this invention Sectional drawing of the ventilation unit of the washing-drying apparatus in Embodiment 4 of this invention Perspective view of a conventional clothes drying device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1A Support arm 1B Support arm 2A Operation base 2B Support base 3 Drying basket 4 Hanger 8 Motor with reduction gear 16 Groove 17 Groove outline 18 Groove deepest part 20 Crank 21 Cam follower 22 Slider 32 Cross flow fan 33 Exhaust fan 36 Discharge port XX ′ Third virtual plane YY ′ First virtual plane ZZ ′ Second virtual plane

Claims (13)

A laundry drying method in which the laundry is rotated about the vertical axis so as to promote the drying of the laundry hung on the clothesline via a hanger. A clothes hanger having a circular shaft cross-sectional shape, and an operating means for rotating the clothes hanger, a hanger on which the laundry is hung is hung on the clothes hanger, and the surface of the clothes hanger is hung on the surface of the clothes hanger A washing and drying apparatus provided with guiding means capable of changing a horizontal angle of the hanger with a rotating operation. The washing and drying apparatus according to claim 2, wherein the washing means is continuously rotated about the axis of the clothes-drying basket as the operating means. The washing / drying apparatus according to claim 2, wherein said clothes-drying basket is operated in a pendulum manner by a spindle that is eccentric from the axis center of the clothes-drying basket. The washing and drying apparatus according to claim 2 or 4, further comprising: a motor and a swing slider-crank mechanism as operation means, wherein the swing motion surface of the swing slider crank mechanism and the axis of the laundry basket are arranged perpendicular to each other. As a guiding means, a groove is formed by continuously denting the circumferential surface of the clothesline. A hanger is suspended along the groove, and the locus of the groove is perpendicular to the long axis of the clothesline. The washing / drying apparatus according to any one of claims 2 to 5, wherein the groove is provided so as to cross the first virtual plane. The clothes drying apparatus according to claim 6, wherein the cross-sectional shape with respect to the recess of the groove is a wedge shape or a reverse trapezoidal shape in which a side surface of the groove is provided with a gradient. The laundry drying according to claim 6 or 7, wherein a locus of the deepest portion of the groove depression exists on the second virtual plane, and the second virtual plane has a certain angle with respect to the first virtual plane. apparatus. The washing / drying apparatus according to claim 8, wherein the third virtual plane on which the contour line of the groove formed on the circumferential surface of the clothes-drying basket exists is substantially parallel to the first virtual plane. The washing / drying device according to claim 7 or 8, wherein the shape of the locus of the deepest portion of the groove depression is a perfect circle. The clothes drying apparatus according to any one of claims 2 to 7, further comprising a blowing unit capable of blowing air to the laundry, wherein a discharge port of the blowing unit is provided in the vicinity of the clothesline. 9. The washing and drying apparatus according to claim 8, wherein a cross flow fan having a rotating shaft parallel to the axis of the clothes-drying basket is used as the blowing means. The washing / drying apparatus according to claim 11 or 12, wherein exhaust means capable of exhausting indoor air is provided in the vicinity of the clothes-drying basket.

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