EP1658400B1 - Umbrella-like laundry dryer - Google Patents

Umbrella-like laundry dryer Download PDF

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Publication number
EP1658400B1
EP1658400B1 EP04764492A EP04764492A EP1658400B1 EP 1658400 B1 EP1658400 B1 EP 1658400B1 EP 04764492 A EP04764492 A EP 04764492A EP 04764492 A EP04764492 A EP 04764492A EP 1658400 B1 EP1658400 B1 EP 1658400B1
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EP
European Patent Office
Prior art keywords
lower sleeve
vertical tube
force
laundry dryer
standpipe
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Not-in-force
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EP04764492A
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German (de)
French (fr)
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EP1658400A1 (en
Inventor
Heinrich Wüster
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Individual
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Individual
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Publication of EP1658400A1 publication Critical patent/EP1658400A1/en
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Publication of EP1658400B1 publication Critical patent/EP1658400B1/en
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    • 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
    • D06F57/00—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired 
    • D06F57/02—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired  mounted on pillars, e.g. rotatably
    • D06F57/04—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired  mounted on pillars, e.g. rotatably and having radial arms, e.g. collapsible

Definitions

  • the invention relates to a umbrella-type clothes dryer, in which a central standpipe carries a spreading frame for the clothesline, which can be opened via a lift line adjacent to the standpipe.
  • the expansion frame has star-shaped arranged, on a surrounding the standpipe, lower sleeve hinged support arms for the clothesline and hinged to the support arms, on a surrounding the standpipe, upper sleeve hinged support arms.
  • the elevator line engages the lower sleeve, which is displaceable along the standpipe and can be fixed by a releasable locking device in different positions on the standpipe.
  • the standpipe is vertically anchored at the site in a vertical ground socket in the ground.
  • the expansion frame is carried by the upper sleeve, which is anchored to the standpipe.
  • the expansion frame is drawn by lowering the lower sleeve along the standpipe down in the length and folded with his support and support arms to the standpipe out. The support and support arms interconnecting knee joints are stretched.
  • the lower sleeve is located just above the ground in the region of the lower end portion of the standpipe.
  • the upper sleeve can be designed to be displaceable along the standpipe and carry a locking device with which it can be anchored to standpipe at different elevations.
  • the lower sleeve is lifted over a greater distance along the standpipe and anchored to the standpipe.
  • the lifting takes place via the elevator line, which is laterally pulled away from the standpipe at its operating end.
  • the expansion frame is opened and shortened in its vertical extent to less than a third.
  • the clothesline is spread and stretched by the moving apart support arms. The tensioning of the clothesline takes place in the last relatively short part of the upward movement of the lower sleeve.
  • the ready-to-use tumble dryer often stays for weeks or months with the spreader open.
  • the expansion frame Before dismantling the clothes dryer, the expansion frame is closed. For this purpose, the anchoring of the lower sleeve is released and the expansion frame works together.
  • the lower sleeve slides along the standpipe down and the support and support arms of the Sp Drurstells be pivoted to the standpipe.
  • the anchoring of the lower sleeve can be effected by a clamp acting on the standpipe or by a spring-loaded pin engaging in bores on the standpipe, or by a spring-loaded pawl which engages in a perforated rail or toothed rack fastened to the standpipe ( DE 28 55 532 C2 . GB 893 033 A ).
  • the clothesline is stretched by the spreading apart of the support arms which protrude laterally from the lower sleeve and are only slightly inclined after opening the Sp Drurstells relative to the horizontal.
  • the support arms are further spread apart by pulling up the lower sleeve. For a relatively high force is required, which must be applied by the operator via the elevator line.
  • the object of the invention is to provide an improved umbrella-type clothes dryer.
  • This design makes it possible to pull the lower sleeve with relatively little force and very quickly in a train with the help of the elevator line until the lower sleeve is fixed by its locking device with unfolded expansion frame on the standpipe. Then it can be pulled with relatively little force once or several times on the tensioning line to actuate the standpipe temporarily supported power transmission element and further increase by this the lower sleeve using the power transmission contained in the additional power transmission and thereby tension the clothesline or the To raise tension in the clothesline. When you release the tension line returns additional power transmission device including the tensioning line and the standpipe temporarily supported power transmission element in the starting position.
  • the amount of power transmission which is implemented in the additional power transmission, the pulling movement of the tensioning line in an upward movement of the lower sleeve, both on a small operating force and the size of the respective Sp Songestells and the number of in this between the support arms extending and are tuned to each exciting clothes line pieces.
  • the lower sleeve is pulled up by pulling on the tensioning line of the additional power transmission device until the locking device of the lower sleeve fixes it in a raised position on the standpipe. Subsequently, the tension line is released and the additional power transmission device returns together with the tensioning line and the standpipe temporarily supportable power transmission element in the starting position.
  • the additional power transmission device may have its own housing, in which the coupled with the tensioning line, temporarily housed on the standpipe power transmission element is housed.
  • This housing can be integrated in the lower sleeve. It may also be formed as an extension of the lower sleeve, which connects to the lower sleeve upwards or downwards.
  • the additional power transmission means provides a force transmitting member movably coupled to the lower sleeve or the housing of the additional power transmission means which is movable relative to the lower sleeve by operating the tensioning cord and is temporarily supported on the standpipe upon actuation of the tensioning cord and produces an upwardly directed moving step of the lower sleeve wherein the force transfer element supported on the standpipe converts the tension line movement into an upward movement step of the lower sleeve.
  • the power transmission member may be formed as a hinged to the lower sleeve or the housing of the additional power transmission, two-armed lever from which a lever arm is moved to the standpipe when pulling on the attacking at the other lever arm tensioning line. When releasing the tensioning line, the lever is moved back by gravity to its original position. It can also be coupled with a return spring, which moves him back to its original position.
  • the power transmission element may be designed as a slidable in the lower sleeve or in the housing of the additional power transmission device slidable to the standpipe, coupled to the tensioning line slider.
  • the slider is pulled down when pulling on the tensioning line, moved to the standpipe and supported on this. Subsequently, the slide supported on the standpipe converts the further pulling on the tensioning line into an upward movement step of the lower sleeve.
  • a return spring coupled to the slider or the tensioning cord may be provided.
  • the return spring may be formed as a tension spring or as a compression spring.
  • a coupled with a return spring, downwardly extendable slide can be coupled to the elevator line, with the first opened the spreader and then the clothesline is stretched.
  • the return spring of the slider is dimensioned so that the slider is only actuated when pulling on the elevator line when the expansion frame is opened and the clamped clothesline brakes further pulling up the lower sleeve.
  • the power transmission device may be provided with the lower sleeve or the housing of the additional power transmission movably coupled, two-part power transmission element, in which the along the standpipe superposed links when pressing the tensioning line are mutually pivotable, wherein the two-part power transmission element when operating the tensioning line a member temporarily supported on the standpipe while it generates with its other, hinged to the lower sleeve or the housing of the additional power transmission member an upward movement step of the lower sleeve.
  • a two-member, spring-loaded Kraflübertragungselement be provided, in which the lower member is hinged to the lower sleeve or the housing of the additional power transmission device and the upper member carries a claw for engagement with the standpipe arranged detents.
  • the tensioning line When operating the tensioning line, first the upper member with its claw with a standpipe arranged in the detent Brought engagement and then pulled up the lower sleeve to the standpipe arranged catch.
  • the two members of the power transmission element are pivoted against each other against the force of a return spring. In the raised position, the lower sleeve is fixed by its locking device on the standpipe. After releasing the tensioning line, the two-part, spring-loaded power transmission element returns to its largely extended starting position.
  • a bipartite spring-loaded power transmission element in which the upper member is hinged to the lower sleeve or to the housing of the additional power transmission means and the lower member is formed as a pawl engageable with detents on the standpipe.
  • the tensioning line Upon actuation of the tensioning line, the lower member is first brought into engagement with a detent disposed on the standpipe and then the lower sleeve is pushed upwards away from this detent.
  • the two members of the power transmission element are pivoted apart against the force of a return spring. In the raised position, the lower sleeve is fixed by its locking device on the standpipe. After releasing the tensioning line, the two-part spring-loaded power transmission element returns to its closed starting position.
  • a return spring bridging the hinge connection of the two links can be provided, which biases the two links in an angled position
  • the two members can be biased by a supportable on the standpipe member in the lower sleeve or the housing of the additional power transmission spring-return spring in an angled position.
  • a member may be formed as a crane transmission lever, which has a lever arm projecting beyond the joint connection of the two members, to which the tensioning line acts
  • This training is advantageous both in a stretched at rest bipartite power transmission element as well as a folded at rest bipartite power transmission element.
  • the power transmission element may have a pawl engageable with the detents provided on the standpipe for the releasable locking device of the lower sleeve.
  • the power transmission element can be brought into engagement with the standpipe and in engagement with this carry a downward movement of the lower sleeve blocking, self-locking roller.
  • tumble dryer according to the invention can be provided on the standpipe cooperating with the releasable locking device of the lower sleeve and the power transmission element of the additional power transmission slide.
  • the releasable locking device of the lower sleeve and the power transmission element of the additional power transmission device are each provided with a self-locking roller which can be brought into engagement with the slide rail and blocks a downward movement of the lower sleeve.
  • the tensioning line of the additional power transmission device coupled to the force transmission element which can be temporarily supported on the standpipe can be led out of the expansion frame via a guide element attached to one of the support arms of the expansion frame.
  • the elevator line can be designed as a tensioning line of the additional power transmission device, wherein the elevator line is coupled to the standpipe temporarily supportable power transmission element and in the expansion of the lower sleeve away from the standpipe is guided upward, on the upper sleeve or on a An upper end portion of a support arm attached device deflection roller is deflected away from the standpipe and is led out laterally via a mounted on one of the support arms of the expansion frame guide member from the expansion frame.
  • This design of the tumble dryer comes with a single line, is pulled at the several times to first unfold the spreader for spreading the clothesline and then stretch the clothesline with unfolded spreader.
  • the lower sleeve is pulled up to the stacked in the upper half of the standpipe rests and anchored there on their locking device in one of the detents.
  • After unfolding the Sp Drurstells is pulled once or several times on the elevator line to tension the clothesline.
  • each time the additional power transmission device is actuated which converts the pulling on the elevator line by means of the standpipe temporarily supportable power transmission element in an upward movement step of the lower sleeve.
  • the power transmission element By pulling on the elevator line the power transmission element is moved to one of the detents on the standpipe and supported there on the standpipe. Then the Krafrübertragungselement converts the continuing pulling movement of the elevator line in an upward movement of the lower Sleeve around which is anchored by its locking device to a higher catch on the standpipe. Then the elevator rope is released again.
  • Fig. 1 shows a clothes dryer with a central standpipe 1, on which a Sp Drurstell 2 for the (not shown) clothesline sits.
  • the Sp Drurstell 2 has in its upper part a plurality of around the standpipe 1 around star-shaped support arms 3, which are hinged at their upper ends to an upper sleeve 4, which surrounds the standpipe 1 and anchored thereto.
  • the support arms 3 are hingedly connected at their lower ends to the carrying the clothesline support arms 5 of the Sp Dahlgestells 2.
  • the support arms 5 are arranged in a star shape around the standpipe 1 around. They are articulated with their lower ends to a lower sleeve 6, which surrounds the standpipe 1 and is displaceable along this.
  • the lower sleeve 6 carries a locking device 7, with which it can be anchored in a vertical perforated rail 8 on the standpipe 1, and an additional power transmission device 9, with which it can be moved stepwise on the standpipe 1 upwards.
  • the clothes dryer has a coupled with the additional power transmission device 9 elevator cord 10 which is guided by the lower sleeve 6 away from the standpipe 1 upwards and on a support arm 3 via an upper sleeve 4 adjacent guide roller 11 from the standpipe 1 away to a support arm fifth is deflected before it leaves the expansion frame 2 via an attached to this support arm 5 guide roller 12.
  • the locking device 7 is housed in the lower part 6 a of the sleeve 6. It includes a pivotally mounted in the lower sleeve 6, provided at its lower end with a Grifrose 13 lever 14 which engages with a protruding from him pawl 15 in a hole of the hole rail 8 and blocks the downward movement of the lower sleeve 6.
  • the lever 14 is biased by a spring 16 in its locking position. It can be pivoted away from the standpipe 1 by pulling on its handle eye 13 by hand, in order to lift the pawl 15 out of the perforated rail 8.
  • the pawl 15 is provided with an upwardly facing ramp, through which it is lifted when pulling up the lower sleeve 6 from the hole rail 8.
  • the additional power transmission device 9 is housed inside an upper extension 6b of the lower sleeve 6. It comprises a two-part power transmission element 17, of which the upper member 18 is hinged to the lower sleeve 6, while its supportable on the standpipe 1, lower member 19 is loaded by a return spring 20 and ends in a engageable with the hole rail 8 engageable pawl 21 , which is provided with an upwardly facing ramp.
  • the upper member 18 is formed as a force translating lever, which protrudes beyond the hinge connection with the lower member 19 and there forms an outer lever arm 22, on which the elevator cord 10 engages. This is guided away from the lever arm 22 down to a lower guide roller 23, which is mounted below the additional power transmission device 9 on the lower sleeve 6. At the lower guide roller 23, the elevator line 10 is deflected upward and then extends the standpipe 1 adjacent to the top.
  • the lower member 19 In the rest position, the lower member 19 is lifted with its pawl 21 by the return spring 20 from the hole rail 8 and folded to the upper member 18, which projects away from its articulation on the lower sleeve 6 obliquely upward.
  • the power transmission element 17 is folded in itself.
  • the elevator line 10 is actuated and the lower sleeve 6 is pulled up the standpipe 1 until it is unfolded by its locking device 7 at Spreader 2 is locked on the standpipe 1.
  • the two-part power transmission element 17 is stretched. The power transmission element 17 remains stretched until the leash 10 is released.
  • the elevator line 10 is operated again or several times to raise the lower sleeve 6 with the help of the additional power transmission device 9 a piece and to stretch the clothesline by the thereby moving apart support arms 5 of the Sp Drurstells 2.
  • the elevator line 10 the lower sleeve 6 is raised by the stretching movement of the two-part power transmission element 17 of the additional power transmission device 9 until the pawl 15 of the locking device 7 engages in a higher hole of the hole rail 8. Subsequently, the elevator cord 10 is released and the two-part power transmission member 17 returns to its folded state.
  • the power transmission element 17 is again brought into engagement with the standpipe 1 and the lower sleeve 6 is lifted by the stretching movement of the power transmission element 17 until the pawl 15 of the locking device 7 engages in a higher hole of the perforated rail 8.
  • Fig. 2 shows a further clothes dryer with a central standpipe 24, on which a spreadable by an elevator line 25 spreading frame 26 is seated.
  • the clothesline is carried by the hinged to the lower sleeve 27 of the spreader 26 supporting arms 28 which are pivotally connected to the upper support arms 29 of the spreader 26.
  • the support arms 29 are hinged to the upper sleeve 30 of the Sp Drurstells 26, which in turn is anchored at the upper end of the standpipe 24.
  • the lower sleeve 27 of the Sp Drurstells 26 is slidable along the provided with a slide 31 standpipe 24. It carries in its lower half a locking device 32, with which it can be fixed to the standpipe 24.
  • the locking device 32 has a pivotably mounted in the lower sleeve 27 and acted upon by a spring 33 lever 34, which presses a self-locking roller 35 against the slide rail 31 and thus blocks the downward movement of the lower sleeve 27.
  • the self-locking roller 35 can only rotate in one direction and locks the rotation in the opposite direction automatically. In engagement with the slide 31, the roller 35 can rotate only during the upward movement of the lower sleeve 27.
  • a handle 36 is attached at the lower end of the lever 34.
  • the lever 34 By pulling on the handle 36, the lever 34 can be pivoted away from the standpipe 24 to lift the roller 35 from the slide 31 and to allow downward movement of the lower sleeve 27.
  • the self-locking roller 35 is again pressed against the slide 31 and blocks the downward movement of the lower sleeve 27.
  • the lower sleeve 27 of the Sp Drurstells 26 carries in its upper half an additional power transmission device 37, with which it can be moved along the standpipe 24 gradually upwards.
  • the additional power transmission device 37 provides a two-part, by pulling on the elevator line 25 along the standpipe 24 in the length stretchable power transmission element 38. This is hinged with its upper member 39 on the lower sleeve 27 near the upper sleeve edge.
  • the upper member 39 has an arm 41 which projects beyond its articulated connection with the lower member 40 and on which the elevator cord 25 engages.
  • the lower member 40 carries at its lower end a sliding rail 31 adjacent, in an oblique sliding guide 42 of the lower sleeve 27 downwardly displaceable, self-locking roller 43, which is pressed by a sliding guide 42 parallel to the return spring 44 in the lower sleeve 27 upwards becomes.
  • the elevator cord 25 is guided in the lower sleeve 27 away from the outer arm 41 of the upper member 39 of the power transmission element 38 and deflected at an arranged below the additional power transmission means 37, lower guide roller 45 upwards. From the lower sleeve 27 away, the elevator cord 25 extends next to the standpipe 1 up to an upper guide roller 46 which is adjacent to the upper sleeve 30 of the Sp Drurstells 26 attached to a support arm 29. At the upper deflection roller 46, the elevator cord 25 is deflected away from the standpipe 24 outwards to the support arm 28 hingedly connected to the support arm 29 before it leaves the expansion frame 26 via a guide roller 47 attached to this support arm 28.
  • the self-locking roller 43 is slightly lifted by the return spring 44 of the slide 31.
  • the upper member 39 of the power transmission element 38 is from its articulation on the lower sleeve 27 obliquely upward.
  • the lower member 40 is folded in towards the upper member 39.
  • the power transmission element 38 is folded in itself.
  • the elevator line 25 When the elevator line 25 is actuated, it is pulled out of the expansion frame 26 away from the standpipe 24 via the guide roller 47.
  • the collapsed power transmission member 38 In the lower sleeve 27, the collapsed power transmission member 38 is pulled down by the elevator cord 25 on the outer arm 22 of the upper member 18 and stretched in length.
  • the lower member 40 pushes the self-locking roller 43 in the sliding guide 42 against the force of the return spring 44 down until the self-locking roller 43 rests against the slide rail 31 and blocks the further downward movement of the lower member 40.
  • the power transmission element is supported 38 on the blocking roller 43 on the standpipe 24 from, so that the lower sleeve 27 is moved by the continuing stretching movement of the power transmission element 38 on the standpipe 24 upwards.
  • the self-locking roller 43 When releasing the elevator cord 25, the self-locking roller 43 is pushed by the return spring 44 in the slide 42 upwards and slightly lifted from the slide 31. At the same time, the power transmission element 38 is folded in itself.
  • the elevator line 25 is actuated and the lower sleeve 27 is pulled up the standpipe 24 until the expansion frame 26 is opened.
  • the self-locking roller 35 of the locking device 32 abuts against the slide rail 31 and blocks the downward movement of the lower sleeve 27.
  • the bipartite Kraflübertragungselement 38 of the power transmission 37 is stretched. The power transmission element 38 remains stretched until the leash 25 is released.
  • the elevator line 25 is actuated again or several times to raise the lower sleeve 27 with the help of the additional power transmission device 37 a piece and tension the clothesline by the thereby disengaging brackets 28 of the Sp Drurstells 26.
  • the two-part power transmission element 38 is stretched and pushed with its lower member 40 along the slide 31 down until the self-locking roller 43 abuts the slide rail 31 and blocks the further downward movement.
  • the lower sleeve 27 is moved by the continuing stretching movement of the power transmission element 38 on the standpipe 24 upwards.
  • the self-locking roller 35 of the locking device 32 abuts against the slide rail 31 and blocks the downward movement of the lower sleeve 27.
  • the elevator cord 25 is released.
  • the return spring 44 pushes the self-locking roller 43 of the power transmission element 38 in the sliding guide 42 upwards and lifts the roller 43 from the slide 31 from something.
  • the power transmission element 38 is pushed by the return spring 44 upwards and collapsed.
  • the hoist line 25 the power transmission element 38 is again brought into engagement with the standpipe 24 and the lower sleeve 27 is raised again by the stretching movement of the force transmission element 38.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Description

Gebiet der Erfindung:Field of the invention:

Die Erfindung betrifft einen schirmartiger Wäschetrockner, bei dem ein zentrales Standrohr ein Spreizgestell für die Wäscheleine trägt, das über eine dem Standrohr benachbarte Aufzugsleine aufklappbar ist. Das Spreizgestell besitzt sternförmig angeordnete, an einer das Standrohr umgebenden, unteren Hülse angelenkte Tragarme für die Wäscheleine und mit den Tragarmen gelenkig verbundene, an einer das Standrohr umgebenden, oberen Hülse angelenkte Stützarme. Die Aufzugsleine greift an der unteren Hülse an, die entlang dem Standrohr verschiebbar ist und durch eine lösbare Feststellvorrichtung in verschiedenen Positionen am Standrohr fixiert werden kann.The invention relates to a umbrella-type clothes dryer, in which a central standpipe carries a spreading frame for the clothesline, which can be opened via a lift line adjacent to the standpipe. The expansion frame has star-shaped arranged, on a surrounding the standpipe, lower sleeve hinged support arms for the clothesline and hinged to the support arms, on a surrounding the standpipe, upper sleeve hinged support arms. The elevator line engages the lower sleeve, which is displaceable along the standpipe and can be fixed by a releasable locking device in different positions on the standpipe.

Stand der Technik:State of the art:

Bei bekannten Wäschetrocknern dieser Art ist das Standrohr am Aufstellungsort in einer vertikalen Bodenhülse im Boden vertikal verankert.In known clothes dryers of this type, the standpipe is vertically anchored at the site in a vertical ground socket in the ground.

Beim Nichtgebrauch des Wäschetrockners hängt das zusammengeklappte Spreizgestell samt Wäscheleine entlang dem Standrohr herunter. Das Spreizgestell wird von der oberen Hülse getragen, die am Standrohr verankert ist. Das Spreizgestell ist durch Absenken der unteren Hülse entlang dem Standrohr nach unten in die Länge gezogen und mit seinen Trag- und Stützarmen zum Standrohr hin zusammengeklappt. Die die Trag- und Stützarme miteinander verbindenden Kniegelenke sind gestreckt. Die untere Hülse befindet sich knapp über dem Boden im Bereich des unteren Endabschnittes des Standrohres. Die obere Hülse kann entlang dem Standrohr verschiebbar ausgebildet sein und eine Feststellvorrichtung tragen, mit der sie in unterschiedlichen Höhenlagen an Standrohr verankert werden kann.When not in use the tumble dryer hangs down the folded spreader together with clothesline along the standpipe. The expansion frame is carried by the upper sleeve, which is anchored to the standpipe. The expansion frame is drawn by lowering the lower sleeve along the standpipe down in the length and folded with his support and support arms to the standpipe out. The support and support arms interconnecting knee joints are stretched. The lower sleeve is located just above the ground in the region of the lower end portion of the standpipe. The upper sleeve can be designed to be displaceable along the standpipe and carry a locking device with which it can be anchored to standpipe at different elevations.

Um den Wäschetrockner gebrauchsfertig zu machen, wird die untere Hülse über eine größere Strecke entlang dem Standrohr angehoben und am Standrohr verankert. Das Anheben erfolgt über die Aufzugsleine, die an ihrem Betätigungsende vom Standrohr seitlich weggezogen wird. Durch das Anheben der unteren Hülse wird das Spreizgestell aufgeklappt und in seiner vertikalen Erstreckung auf weniger als ein Drittel verkürzt. Gleichzeitig wird die Wäscheleine von den sich auseinanderbewegenden Tragarmen ausgebreitet und gespannt. Das Spannen der Wäscheleine erfolgt im letzten relativ kurzen Teil der Aufwärtsbewegung der unteren Hülse.To make the tumble dryer ready for use, the lower sleeve is lifted over a greater distance along the standpipe and anchored to the standpipe. The lifting takes place via the elevator line, which is laterally pulled away from the standpipe at its operating end. By raising the lower sleeve, the expansion frame is opened and shortened in its vertical extent to less than a third. At the same time the clothesline is spread and stretched by the moving apart support arms. The tensioning of the clothesline takes place in the last relatively short part of the upward movement of the lower sleeve.

Aus der US 4,735,322 A ist ein Wäschetrockner bekannt, bei dem das am Beginn des Aufklappens des Spreizgestelles erforderliche Abbiegen der die Trag- und Stützarme miteinander verbindenden Kniegelenke durch die Seilführung der Aufzugsleine erleichtert wird, die nach ihrer Umlenkung an der unteren Hülse entlang einem Tragarm hochgeführt und an einer bei dem den Tragarm mit seinem Stützarm verbindenden Gelenk angebrachten Seilrolle vom Standrohr weg umgelenkt und aus dem Spreizgestell seitlich herausgeführt ist. Beim Betätigen der Aufzugsleine wird zuerst das mit der Seilrolle versehene Gelenk des Tragarmes vom Standrohr weggezogen und dieses Gelenk abgebogen, bevor im Anschluss daran dann die untere Hülse durch das Ziehen an der Aufzugsleine angehoben und dadurch das Spreizgestell aufgeklappt wird.From the US 4,735,322 A a tumble dryer is known in which the required at the beginning of opening the Spreizgestelles bending of the support and support arms interconnecting knee joints is facilitated by the cable guide the elevator line, the after its deflection at the lower sleeve along a support arm led up and deflected at one in which the support arm connecting with its support arm mounted pulley away from the standpipe and is led out laterally from the expansion frame. When operating the hoist line, the joint of the support arm provided with the pulley is first pulled away from the standpipe and this joint is bent, before the lower sleeve is subsequently lifted by pulling on the hoist line, thereby unfolding the expansion frame.

Der einsatzbereite Wäschetrockner bleibt oft Wochen oder Monate mit aufgeklapptem Spreizgestell stehen.The ready-to-use tumble dryer often stays for weeks or months with the spreader open.

Vor dem Abbau des Wäschetrockners wird das Spreizgestell zugeklappt. Dazu wird die Verankerung der unteren Hülse gelöst und das Spreizgestell klappt in sich zusammen. Dabei gleitet die untere Hülse entlang dem Standrohr nach unten und die Trag- und Stützarme des Spreizgestells werden zum Standrohr geschwenkt.Before dismantling the clothes dryer, the expansion frame is closed. For this purpose, the anchoring of the lower sleeve is released and the expansion frame works together. The lower sleeve slides along the standpipe down and the support and support arms of the Spreizgestells be pivoted to the standpipe.

Das Verankern der unteren Hülse kann durch eine auf das Standrohr wirkende Klemme erfolgen oder durch einen in Bohrungen am Standrohr einrastenden, federbelasteten Stift, oder durch eine federbelastete Sperrklinke, die in eine am Standrohr befestigte Lochschiene oder Zahnstange einrastet ( DE 28 55 532 C2 , GB 893 033 A ).The anchoring of the lower sleeve can be effected by a clamp acting on the standpipe or by a spring-loaded pin engaging in bores on the standpipe, or by a spring-loaded pawl which engages in a perforated rail or toothed rack fastened to the standpipe ( DE 28 55 532 C2 . GB 893 033 A ).

Bei diesen Wäschetrocknern wird die Wäscheleine durch das Auseinanderspreizen der Tragarme gespannt, die von der unteren Hülse seitlich abstehen und nach dem Aufklappen des Spreizgestells gegenüber der Horizontalen nur mehr leicht geneigt sind. Die Tragarme werden durch das Hochziehen der unteren Hülse noch weiter auseinandergespreizt. Dafür ist eine relativ hohe Kraft erforderlich, die von der Bedienungsperson über die Aufzugsleine aufgebracht werden muss.In these clothes dryers, the clothesline is stretched by the spreading apart of the support arms which protrude laterally from the lower sleeve and are only slightly inclined after opening the Spreizgestells relative to the horizontal. The support arms are further spread apart by pulling up the lower sleeve. For a relatively high force is required, which must be applied by the operator via the elevator line.

Bekannte Wäschetrockner dieser Art haben den Nachteil, dass der Kraftbedarf zum Spannen der Wäscheleine so hoch ist, dass die Wäscheleine nicht mehr vollständig gespannt werden kann, weshalb die daran befestigte, nasse Wäsche durchhängt und verschmutzen kann.Known dryers of this type have the disadvantage that the power requirement for tensioning the clothesline is so high that the clothesline can no longer be fully tensioned, which is why the attached, wet laundry sags and can become dirty.

Um das Spannen der Wäscheleine für die Bedienungsperson zu erleichtern, ist es bekannt, die Aufzugsleine ähnlich einem Flaschenzug zwischen der oberen und unteren Hülse des Spreizgestells einmal oder zweimal hin und her zu führen. Dadurch wird zwar die von der Bedienungsperson am Betätigungsende der Aufzugsleine aufgebrachte Kraft verdoppelt bzw. vervierfacht, aber gleichzeitig wird die Bewegungsgeschwindigkeit der untere Hülse halbiert bzw. auf ein Viertel reduziert und die Aufzugsleine um ein beträchtliches Stück verlängert, das der doppelten bzw. vierfachen Länge des zusammengeklappten Spreizgestells entspricht.In order to facilitate the tensioning of the clothesline for the operator, it is known to guide the elevator line once or twice back and forth similar to a pulley between the upper and lower sleeve of the Spreizgestells. While doing so, the force applied by the operator at the actuation end of the elevator cord is doubled or quadrupled, but at the same time the speed of movement of the lower sleeve is halved or reduced to one quarter and the elevator cord is extended a considerable distance twice or four times the length of the elevator folded spreader equivalent.

Nachteilig ist dabei, dass die zwischen oberer und unterer Hülse des Spreizgestells hin und hergehende Aufzugsleine sowohl das Aufklappen als auch das Zusammenklappen des Spreizgestells sehr umständlich macht und verlangsamt. Zum Aufklappen des Spreizgestells muss, bezogen auf die Aufwärtsbewegung der untere Hülse, die doppelte bzw. vierfache Länge der Aufzugsleine aus dem Spreizgestell herausgezogen werden. Dabei bewegt sich die untere Hülse nur mit der Hälfte bzw. einem Viertel jener Geschwindigkeit aufwärts, mit der die Bedienungsperson am Betätigungsende der Aufzugsleine anzieht. Erst nach dem vollständigen Aufklappen des Spreizgestells dann die Kraftübersetzung des betreffenden Flaschenzugs zum Spannen der Wäscheleine eingesetzt werden. Beim Zusammenklappen des Spreizgestells muss diese doppelte bzw. vierfache Länge der Aufzugsleine wieder in das Spreizgestell hineingezogen werden, damit sich die untere Hülse bis in ihre untere Endstellung entlang dem Standrohr nach unten bewegen kann. Einen weiteren Nachteil stellt die sehr große Länge an Aufzugsleine dar, die bei aufgeklapptem Spreizgestell versorgt werden muss, um Verknotungen und Verschmutzungen zu vermeiden, die das spätere Zusammenklappen des Spreizgestells behindern würden, wenn diese Länge der Aufzugsleine wieder in das Spreizgestell eingezogen wird.The disadvantage here is that between the upper and lower sleeve of the expansion rack reciprocating elevator leash makes both the unfolding and the folding of the Spreizgestells very cumbersome and slows down. To open the Spreizgestells, based on the upward movement of the lower sleeve, twice or four times the length of the elevator line must be pulled out of the spreader. In this case, the lower sleeve moves only at half or a quarter of that speed with which attracts the operator at the operating end of the elevator line. Only after the complete unfolding of the expansion frame then the power transmission of the relevant pulley to tighten the clothesline are used. When folding the Spreizgestells this double or four times the length of the elevator line must be pulled back into the spreader, so that the lower sleeve can move down to its lower end position along the standpipe down. Another disadvantage is the very large length of elevator line that must be supplied with unfolded expansion frame to prevent knots and dirt that would hinder the subsequent collapse of the Spreizgestells when this length of the elevator line is retracted back into the Spreizgestell.

Zusammenfassung der ErfindungSummary of the invention

Aufgabe der Erfindung ist es, einen verbesserten, schirmartigen Wäschetrockner anzugeben.The object of the invention is to provide an improved umbrella-type clothes dryer.

Dies wird bei einem Wäschetrockner der eingangs genannten Art dadurch erreicht, dass die untere Hülse zusätzlich zur lösbaren Feststellvorrichtung mit einer über eine Spannleine betätigbaren, zusätzlichen Kraftübertragungseinrichtung ausgestattet ist, bei der ein mit der Spannleine gekoppeltes, am Standrohr vorübergehend abstützbares Kraftübertragungselement vorgesehen ist, das in seinem am Standrohr abgestützten Zustand die Bewegung der Spannleine in einen aufwärts gerichteten Bewegungsschritt der unteren Hülse umsetzt.This is achieved in a tumble dryer of the type mentioned above in that the lower sleeve is provided in addition to the releasable locking device with an actuatable via a tensioning line, additional power transmission device in which a coupled with the tensioning line, temporarily provided on the standpipe power transmission element is provided in its state supported on the stand tube converts the movement of the tensioning line in an upward movement step of the lower sleeve.

Diese Ausbildung erlaubt es, die untere Hülse mit relativ geringer Kraft und sehr rasch in einem Zug mit Hilfe der Aufzugsleine hochzuziehen, bis die untere Hülse durch ihre Feststellvorrichtung bei aufgeklapptem Spreizgestell am Standrohr fixiert wird. Anschließend kann mit relativ geringer Kraft einmal oder mehrmals an der Spannleine gezogen werden, um das am Standrohr vorübergehend abstützbares Kraftübertragungselement zu betätigen und durch dieses die untere Hülse mit Hilfe der in der zusätzlichen Kraftübertragungseinrichtung enthaltenen Kraftübersetzung weiter anzuheben und dadurch die Wäscheleine zu spannen bzw. die Spannung in der Wäscheleine zu erhöhen. Beim Loslassen der Spannleine kehrt die zusätzliche Kraftübertragungseinrichtung samt der Spannleine und dem am Standrohr vorübergehend abstützbaren Kraftübertragungselement in die Ausgangslage zurück.This design makes it possible to pull the lower sleeve with relatively little force and very quickly in a train with the help of the elevator line until the lower sleeve is fixed by its locking device with unfolded expansion frame on the standpipe. Then it can be pulled with relatively little force once or several times on the tensioning line to actuate the standpipe temporarily supported power transmission element and further increase by this the lower sleeve using the power transmission contained in the additional power transmission and thereby tension the clothesline or the To raise tension in the clothesline. When you release the tension line returns additional power transmission device including the tensioning line and the standpipe temporarily supported power transmission element in the starting position.

Bei einer Ausbildung kann die Höhe der Kraftübersetzung, mit der in der zusätzlichen Kraftübertragungseinrichtung die Zugbewegung der Spannleine in eine Aufwärtsbewegung der unteren Hülse umgesetzt wird, sowohl auf eine geringe Betätigungskraft als auch auf die Größe des jeweiligen Spreizgestells und auf die Anzahl der in diesem sich zwischen den Tragarmen erstreckenden und jeweils zu spannenden Wäscheleinenstücke abgestimmt werden.In one embodiment, the amount of power transmission, which is implemented in the additional power transmission, the pulling movement of the tensioning line in an upward movement of the lower sleeve, both on a small operating force and the size of the respective Spreizgestells and the number of in this between the support arms extending and are tuned to each exciting clothes line pieces.

Zum Spannen der Wäscheleine im aufgeklappten Spreizgestell wird die untere Hülse durch Ziehen an der Spannleine der zusätzlichen Kraftübertragungseinrichtung hochgezogen, bis die Feststellvorrichtung der unteren Hülse diese in einer angehobenen Position am Standrohr fixiert. Anschließend wird die Spannleine losgelassen und die zusätzliche Kraftübertragungseinrichtung kehrt samt der Spannleine und dem am Standrohr vorübergehend abstützbar Kraftübertragungselement in die Ausgangslage zurück.To tighten the clothesline in the unfolded spreading frame, the lower sleeve is pulled up by pulling on the tensioning line of the additional power transmission device until the locking device of the lower sleeve fixes it in a raised position on the standpipe. Subsequently, the tension line is released and the additional power transmission device returns together with the tensioning line and the standpipe temporarily supportable power transmission element in the starting position.

Durch das Ziehen an der Spannleine wird zuerst das mit dieser gekoppelte Kraftübertragungselement zum Standrohr bewegt und an diesem abgestützt. Anschließend wird der über den Abstützvorgang hinaus weiterlaufende Zug an der Spannleine vom Kraftübertragungselement mit Hilfe der in die zusätzliche Kraftübertragungseinrichtung eingebauten Kraftübersetzung in einen aufwärts gerichteten Bewegungsschritt der unteren Hülse umgesetzt. Nach dem Loslassen der Spannleine kehrt diese und das mit ihr gekoppelte Kraftübertragungselement, zufolge der Schwerkraft oder zufolge einer mit der Spannleine und/oder dem Kraftübertragungselement gekoppelten Rückstellfeder, in die Ausgangslage zurück.By pulling on the tensioning line coupled to this power transmission element is first moved to the standpipe and supported on this. Subsequently, the train continuing on the support operation on the tensioning line is converted by the force transmission element with the aid of the force transmission into the additional power transmission device into an upward movement step of the lower sleeve. After releasing the tension line returns this and coupled to her power transmission element, due to gravity or due to a coupled with the tensioning line and / or the power transmission element return spring, back to the starting position.

Die zusätzliche Kraftübertragungseinrichtung kann ein eigenes Gehäuse besitzen, in dem das mit der Spannleine gekoppelte, am Standrohr vorübergehend abstützbare Kraftübertragungselement untergebracht ist. Dieses Gehäuse kann in die untere Hülse integriert sein. Es kann auch als Verlängerung der unteren Hülse ausgebildet sein, die an die untere Hülse nach oben oder nach unten anschließt.The additional power transmission device may have its own housing, in which the coupled with the tensioning line, temporarily housed on the standpipe power transmission element is housed. This housing can be integrated in the lower sleeve. It may also be formed as an extension of the lower sleeve, which connects to the lower sleeve upwards or downwards.

Die zusätzliche Kraftübertragungseinrichtung sieht ein mit der unteren Hülse oder dem Gehäuse der zusätzlichen Kraftübertragungseinrichtung beweglich gekoppeltes Kraftübertragungselement vor, das durch Betätigen der Spannleine relativ zur unteren Hülse bewegbar ist und sich beim Betätigen der Spannleine vorübergehend am Standrohr abstützt und einen aufwärts gerichteten Bewegungsschritt der unteren Hülse erzeugt, wobei das am Standrohr abgestützte Kraftübemagungselement die Spannleinenbewegung in einen aufwärts gerichteten Bewegungsschritt der unteren Hülse umsetzt.The additional power transmission means provides a force transmitting member movably coupled to the lower sleeve or the housing of the additional power transmission means which is movable relative to the lower sleeve by operating the tensioning cord and is temporarily supported on the standpipe upon actuation of the tensioning cord and produces an upwardly directed moving step of the lower sleeve wherein the force transfer element supported on the standpipe converts the tension line movement into an upward movement step of the lower sleeve.

Das Kraftübertragungselement kann als ein an der unteren Hülse oder dem Gehäuse der zusätzlichen Kraftübertragungseinrichtung angelenkter, zweiarmiger Hebel ausgebildet sein, von dem ein Hebelsarm zum Standrohr bewegt wird, wenn an der am anderen Hebelsarm angreifenden Spannleine gezogen wird. Beim Loslassen der Spannleine wird der Hebel durch die Schwerkraft in seine Ausgangslage zurückbewegt. Er kann auch mit einer Rückstellfeder gekoppelt sein, die ihn in seine Ausgangslage zurück bewegt.The power transmission member may be formed as a hinged to the lower sleeve or the housing of the additional power transmission, two-armed lever from which a lever arm is moved to the standpipe when pulling on the attacking at the other lever arm tensioning line. When releasing the tensioning line, the lever is moved back by gravity to its original position. It can also be coupled with a return spring, which moves him back to its original position.

Das Kraftübertragungselement kann als ein in der unteren Hülse oder im Gehäuse der zusätzlichen Kraftübertragungseinrichtung schräg zum Standrohr verschiebbarer, mit der Spannleine gekoppelte Schieber ausgebildet sein. Der Schieber wird beim Ziehen an der Spannleine nach unten ausgefahren, zum Standrohr bewegt und an diesem abgestützt. Anschließend setzt der am Standrohr abgestützte Schieber das weitere Ziehen an der Spannleine in einen aufwärts gerichteten Bewegungsschritt der unteren Hülse um. Für die Rückkehr des Schiebers in seine Ausgangsstellung kann eine mit dem Schieber oder der Spannleine gekoppelte Rückstellfeder vorgesehen sein. Die Rückstellfeder kann als Zugfeder oder als Druckfeder ausgebildet sein.The power transmission element may be designed as a slidable in the lower sleeve or in the housing of the additional power transmission device slidable to the standpipe, coupled to the tensioning line slider. The slider is pulled down when pulling on the tensioning line, moved to the standpipe and supported on this. Subsequently, the slide supported on the standpipe converts the further pulling on the tensioning line into an upward movement step of the lower sleeve. For returning the slider to its original position, a return spring coupled to the slider or the tensioning cord may be provided. The return spring may be formed as a tension spring or as a compression spring.

Ein mit einer Rückstellfeder gekoppelter, nach unten ausfahrbarer Schieber kann mit der Aufzugsleine gekoppelt sein, mit der zuerst das Spreizgestell aufgeklappt und dann die Wäscheleine gespannt wird. Dabei ist die Rückstellfeder des Schiebers so dimensioniert, dass der Schieber beim Ziehen an der Aufzugsleine erst dann betätigt wird, wenn das Spreizgestell aufgeklappt ist und die aufgespannte Wäscheleine das weitere Hochziehen der unteren Hülse bremst.A coupled with a return spring, downwardly extendable slide can be coupled to the elevator line, with the first opened the spreader and then the clothesline is stretched. In this case, the return spring of the slider is dimensioned so that the slider is only actuated when pulling on the elevator line when the expansion frame is opened and the clamped clothesline brakes further pulling up the lower sleeve.

Bei der Kraftübertragungseinrichtung kann ein mit der unteren Hülse oder dem Gehäuse der zusätzlichen Kraftübertragungseinrichtung beweglich gekoppeltes, zweigliedriges Kraftübertragungselement vorgesehen sein, bei dem die entlang dem Standrohr übereinander angeordneten Glieder beim Betätigen der Spannleine gegeneinander verschwenkbar sind, wobei sich das zweigliedrige Kraftübertragungselement beim Betätigen der Spannleine mit einem Glied vorübergehend am Standrohr abstützt, während es mit seinem anderen, an der unteren Hülse oder dem Gehäuse der zusätzlichen Kraftübertragungseinrichtung angelenkten Glied einen aufwärts gerichteten Bewegungsschritt der unteren Hülse erzeugt.In the power transmission device may be provided with the lower sleeve or the housing of the additional power transmission movably coupled, two-part power transmission element, in which the along the standpipe superposed links when pressing the tensioning line are mutually pivotable, wherein the two-part power transmission element when operating the tensioning line a member temporarily supported on the standpipe while it generates with its other, hinged to the lower sleeve or the housing of the additional power transmission member an upward movement step of the lower sleeve.

Bei dieser Ausbildung kann ein zweigliedriges, federbelastetes Kraflübertragungselement vorgesehen sein, bei dem das untere Glied an der unteren Hülse oder am Gehäuse der zusätzlichen Kraftübertragungseinrichtung angelenkt ist und das obere Glied eine Klaue für den Eingriff mit am Standrohr angeordneten Rasten trägt. Beim Betätigen der Spannleine wird zuerst das obere Glied mit seiner Klaue mit einer am Standrohr angeordneten Raste in Eingriff gebracht und dann die untere Hülse zu der am Standrohr angeordneten Raste hinaufgezogen. Dabei werden die beiden Glieder des Kraftübertragungselementes entgegen der Kraft einer Rückstellfeder zueinander geschwenkt. In der angehobenen Position wird die untere Hülse durch ihre Feststellvorrichtung am Standrohr fixiert. Nach dem Loslassen der Spannleine kehrt das zweigliedrige, federbelastete Kraftübertragungselement wieder in seine weitgehend gestreckte Ausgangslage zurück.In this embodiment, a two-member, spring-loaded Kraflübertragungselement be provided, in which the lower member is hinged to the lower sleeve or the housing of the additional power transmission device and the upper member carries a claw for engagement with the standpipe arranged detents. When operating the tensioning line, first the upper member with its claw with a standpipe arranged in the detent Brought engagement and then pulled up the lower sleeve to the standpipe arranged catch. The two members of the power transmission element are pivoted against each other against the force of a return spring. In the raised position, the lower sleeve is fixed by its locking device on the standpipe. After releasing the tensioning line, the two-part, spring-loaded power transmission element returns to its largely extended starting position.

Es kann auch ein zweigliedriges, federbelastetes Kraftübertragungselement vorgesehen sein, bei dem das obere Glied an der unteren Hülse oder am Gehäuse der zusätzlichen Kraftübertragungseinrichtung angelenkt ist und das untere Glied als eine mit am Standrohr vorgesehenen Rasten in Eingriff bringbare Klinke ausgebildet ist. Beim Betätigen der Spannleine wird zuerst das untere Glied mit einer am Standrohr angeordneten Raste in Eingriff gebracht und dann die untere Hülse von dieser Raste weg nach oben geschoben. Dabei werden die beiden Glieder des Kraftübertragungselementes entgegen der Kraft einer Rückstellfeder auseinander geschwenkt. In der angehobenen Position wird die untere Hülse durch ihre Feststellvorrichtung am Standrohr fixiert. Nach dem Loslassen der Spannleine kehrt das zweigliedrige, federbelastete Kraftübertragungselement wieder in seine zugeklappte Ausgangslage zurück.There may also be provided a bipartite spring-loaded power transmission element in which the upper member is hinged to the lower sleeve or to the housing of the additional power transmission means and the lower member is formed as a pawl engageable with detents on the standpipe. Upon actuation of the tensioning line, the lower member is first brought into engagement with a detent disposed on the standpipe and then the lower sleeve is pushed upwards away from this detent. The two members of the power transmission element are pivoted apart against the force of a return spring. In the raised position, the lower sleeve is fixed by its locking device on the standpipe. After releasing the tensioning line, the two-part spring-loaded power transmission element returns to its closed starting position.

Bei einem zweigliedrigen, zusammenklappbaren Kraftübertragungselement kann eine die Gelenkverbindung der beiden Glieder überbrückende Rückstellfeder vorgesehen sein, die die beiden Glieder in eine abgewinkelte Stellung vorspanntIn a two-part, collapsible power transmission element, a return spring bridging the hinge connection of the two links can be provided, which biases the two links in an angled position

Bei einem zweigliedrigen, zusammenklappbaren Kraftübertragungselement können die beiden Glieder durch eine das am Standrohr abstützbare Glied in der unteren Hülse oder dem Gehäuse der zusätzlichen Kraftübertragungseinrichtung federnd abstützende Rückstellfeder in eine abgewinkelte Stellung vorgespannt sein.In a two-part, collapsible power transmission element, the two members can be biased by a supportable on the standpipe member in the lower sleeve or the housing of the additional power transmission spring-return spring in an angled position.

Bei einem zweigliedrigen Kraftübertragungselement kann ein Glied als Kranübersetzungshebel ausgebildet sein, der einen über die Gelenkverbindung der beiden Glieder hinaus vorstehenden Hebelsarm besitzt, an dem die Spannleine angreiftIn a two-part power transmission element, a member may be formed as a crane transmission lever, which has a lever arm projecting beyond the joint connection of the two members, to which the tensioning line acts

Diese Ausbildung ist sowohl bei einem im Ruhezustand gestreckten zweigliedrigen Kraftübertragungselement als auch bei einem im Ruhezustand zusammengeklappten zweigliedrigen Kraftübertragungselement von Vorteil.This training is advantageous both in a stretched at rest bipartite power transmission element as well as a folded at rest bipartite power transmission element.

Das Kraftübertragungselement kann eine mit den am Standrohr für die lösbare Feststellvorrichtung der unteren Hülse vorgesehenen Rasten in Eingriff bringbare Klinke besitzen.The power transmission element may have a pawl engageable with the detents provided on the standpipe for the releasable locking device of the lower sleeve.

Das Kraftübertragungselement kann eine mit dem Standrohr in Eingriff bringbare und im Eingriff mit diesem eine Abwärtsbewegung der unteren Hülse blockierende, selbstsperrende Rolle tragen.The power transmission element can be brought into engagement with the standpipe and in engagement with this carry a downward movement of the lower sleeve blocking, self-locking roller.

Beim erfindungsgemäßen Wäschetrockner kann am Standrohr eine mit der lösbaren Feststellvorrichtung der unteren Hülse und mit dem Kraftübertragungselement der zusätzlichen Kraftübertragungseinrichtung zusammenwirkende Gleitschiene vorgesehen sein. Die lösbare Feststellvorrichtung der unteren Hülse und das Kraftübertragungselement der zusätzlichen Kraftübertragungseinrichtung sind jeweils mit einer mit der Gleitschiene in Eingriff bringbaren und im Eingriff mit dieser eine Abwärtsbewegung der unteren Hülse blockierenden, selbstsperrenden Rolle versehen.When tumble dryer according to the invention can be provided on the standpipe cooperating with the releasable locking device of the lower sleeve and the power transmission element of the additional power transmission slide. The releasable locking device of the lower sleeve and the power transmission element of the additional power transmission device are each provided with a self-locking roller which can be brought into engagement with the slide rail and blocks a downward movement of the lower sleeve.

Beim erfindungsgemäßen Wäschetrockner kann die mit dem am Standrohr vorübergehend abstützbaren Kraftübertragungselement gekoppelte Spannleine der zusätzlichen Kraftübertragungseinrichtung über ein an einem der Tragarme des Spreizgestelles angebrachtes Führungselement aus dem Spreizgestell herausgeführt sein.In the tumble dryer according to the invention, the tensioning line of the additional power transmission device coupled to the force transmission element which can be temporarily supported on the standpipe can be led out of the expansion frame via a guide element attached to one of the support arms of the expansion frame.

Beim erfindungsgemäßen Wäschetrockner kann die Aufzugsleine als Spannleine der zusätzlichen Kraftübertragungseinrichtung ausgebildet sein, wobei die Aufzugsleine mit dem am Standrohr vorübergehend abstützbaren Kraftübertragungselement gekoppelt ist und im Spreizgestell von der unteren Hülse weg dem Standrohr benachbart nach oben geführt ist, an der oberen Hülse oder über eine an einem oberen Endabschnitt eines Stützarmes angebrachteseinrichtung Umlenkrolle vom Standrohr weg umgelenkt ist und über ein an einem der Tragarme des Spreizgestelles angebrachtes Führungselement aus dem Spreizgestell seitlich herausgeführt ist.In the tumble dryer according to the invention, the elevator line can be designed as a tensioning line of the additional power transmission device, wherein the elevator line is coupled to the standpipe temporarily supportable power transmission element and in the expansion of the lower sleeve away from the standpipe is guided upward, on the upper sleeve or on a An upper end portion of a support arm attached device deflection roller is deflected away from the standpipe and is led out laterally via a mounted on one of the support arms of the expansion frame guide member from the expansion frame.

Diese Ausbildung des Wäschetrockners kommt mit einer einzigen Leine aus, an der mehrmals gezogen wird, um zuerst das Spreizgestell zum Ausbreiten der Wäscheleine aufzuklappen und dann die Wäscheleine bei aufgeklapptem Spreizgestell zu spannen. Zum Aufklappen des Spreizgestelles wird die untere Hülse zu den in der oberen Hälfte des Standrohres übereinander angeordneten Rasten hochgezogen und dort über ihre Feststellvorrichtung in einer der Rasten verankert. Nach dem Aufklappen des Spreizgestells wird noch einmal oder mehrmals an der Aufzugsleine gezogen, um die Wäscheleine zu spannen. Dabei wird jedes Mal die zusätzliche Kraftübertragungseinrichtung betätigt, die das Ziehen an der Aufzugsleine mit Hilfe des am Standrohr vorübergehend abstützbaren Kraftübertragungselementes in einen aufwärts gerichteten Bewegungsschritt der unteren Hülse umwandelt. Durch das Ziehen an der Aufzugsleine wird das Kraftübertragungselement zu einer der Rasten am Standrohr bewegt und dort am Standrohr abgestützt. Dann wandelt das Krafrübertragungselement die weiterlaufende Zugbewegung der Aufzugsleine in eine Aufwärtsbewegung der unteren Hülse um, die durch ihre Feststellvorrichtung an einer höhergelegenen Raste am Standrohr verankert wird. Dann wird die Aufzugsleine wieder losgelassen.This design of the tumble dryer comes with a single line, is pulled at the several times to first unfold the spreader for spreading the clothesline and then stretch the clothesline with unfolded spreader. To open the Spreizgestelles the lower sleeve is pulled up to the stacked in the upper half of the standpipe rests and anchored there on their locking device in one of the detents. After unfolding the Spreizgestells is pulled once or several times on the elevator line to tension the clothesline. In this case, each time the additional power transmission device is actuated, which converts the pulling on the elevator line by means of the standpipe temporarily supportable power transmission element in an upward movement step of the lower sleeve. By pulling on the elevator line the power transmission element is moved to one of the detents on the standpipe and supported there on the standpipe. Then the Krafrübertragungselement converts the continuing pulling movement of the elevator line in an upward movement of the lower Sleeve around which is anchored by its locking device to a higher catch on the standpipe. Then the elevator rope is released again.

Nachstehend wird die Erfindung anhand der Zeichnungen näher erläutert.The invention will be explained in more detail with reference to the drawings.

Kurze Beschreibung der Zeichnungen:Brief description of the drawings:

In den Zeichnungen zeigen:

Fig. 1
in einer schematischen Darstellung, den oberen Teil eines schirmartigen Wäschetrockners, bei dem das Spreizgestell aufgeklappt ist, die Stütz- und Tragarme des Spreizgestells sind verkürzt dargestellt, die mit einer Feststellvorrichtung und einer zusätzlichen Kraftübertragungseinrichtung ausgerüstete, untere Hülse des Spreizgestells ist teilweise aufgeschnitten, und
Fig. 2
in einer schematischen Darstellung, den oberen Teil eines weiteren schirmartigen Wäschetrockners, bei dem das Spreizgestell aufgeklappt ist, die Stütz- und Tragarme des Spreizgestells sind verkürzt dargestellt, die mit einer Feststellvorrichtung und einer zusätzlichen Kraftübertragungseinrichtung ausgerüstete, untere Hülse des Spreizgestells ist teilweise aufgeschnitten.
In the drawings show:
Fig. 1
in a schematic representation, the upper part of a screen-like clothes dryer, in which the Spreizgestell is opened, the support and support arms of the Spreizgestells are shown shortened, equipped with a locking device and an additional power transmission, lower sleeve of the Spreizgestells is partially cut, and
Fig. 2
in a schematic representation, the upper part of another umbrella-type tumble dryer, in which the Spreizgestell is opened, the support and support arms of the Spreizgestells are shown shortened, equipped with a locking device and an additional power transmission, lower sleeve of the Spreizgestells is partially cut.

Beschreibung von Ausführungsbeispielen:Description of exemplary embodiments:

Fig. 1 zeigt einen Wäschetrockner mit einem zentralen Standrohr 1, auf dem ein Spreizgestell 2 für die (nicht dargestellte) Wäscheleine sitzt. Das Spreizgestell 2 besitzt in seinem oberen Teil mehrere, um das Standrohr 1 herum sternförmig angeordnete Stützarme 3, die mit ihren oberen Enden an einer oberen Hülse 4 angelenkt sind, die das Standrohr 1 umgibt und an diesem verankert ist. Die Stützarme 3 sind an ihren unteren Enden mit den die Wäscheleine tragenden Tragarmen 5 des Spreizgestells 2 gelenkig verbunden. Die Tragarme 5 sind um das Standrohr 1 herum sternförmig angeordnet. Sie sind mit ihren unteren Enden an einer unteren Hülse 6 angelenkt, die das Standrohr 1 umgibt und entlang diesem verschiebbar ist. Die untere Hülse 6 trägt eine Feststellvorrichtung 7, mit der sie in einer vertikalen Lochschiene 8 am Standrohr 1 verankert werden kann, und eine zusätzliche Kraftübertragungseinrichtung 9, mit der sie am Standrohr 1 schrittweise nach oben bewegt werden kann. Fig. 1 shows a clothes dryer with a central standpipe 1, on which a Spreizgestell 2 for the (not shown) clothesline sits. The Spreizgestell 2 has in its upper part a plurality of around the standpipe 1 around star-shaped support arms 3, which are hinged at their upper ends to an upper sleeve 4, which surrounds the standpipe 1 and anchored thereto. The support arms 3 are hingedly connected at their lower ends to the carrying the clothesline support arms 5 of the Spreizgestells 2. The support arms 5 are arranged in a star shape around the standpipe 1 around. They are articulated with their lower ends to a lower sleeve 6, which surrounds the standpipe 1 and is displaceable along this. The lower sleeve 6 carries a locking device 7, with which it can be anchored in a vertical perforated rail 8 on the standpipe 1, and an additional power transmission device 9, with which it can be moved stepwise on the standpipe 1 upwards.

Der Wäschetrockner besitzt eine mit der zusätzlichen Kraftübertragungseinrichtung 9 gekoppelte Aufzugsleine 10, die von der unteren Hülse 6 weg dem Standrohr 1 benachbart nach oben geführt ist und an einem Stützarm 3 über eine der oberen Hülse 4 benachbarte Umlenkrolle 11 vom Standrohr 1 weg zu einem Tragarm 5 umgelenkt wird, bevor sie das Spreizgestell 2 über eine an diesem Tragarm 5 angebrachte Führungsrolle 12 verlässt.The clothes dryer has a coupled with the additional power transmission device 9 elevator cord 10 which is guided by the lower sleeve 6 away from the standpipe 1 upwards and on a support arm 3 via an upper sleeve 4 adjacent guide roller 11 from the standpipe 1 away to a support arm fifth is deflected before it leaves the expansion frame 2 via an attached to this support arm 5 guide roller 12.

Die Feststellvorrichtung 7 ist im unteren Teil 6a der Hülse 6 untergebracht. Sie umfasst einen in der unteren Hülse 6 schwenkbar gelagerten, an seinem unteren Ende mit einer Grifrose 13 versehenen Hebel 14, der mit einer von ihm abstehenden Klinke 15 in ein Loch der Lochschiene 8 eingreift und die Abwärtsbewegung der unteren Hülse 6 blockiert. Der Hebel 14 ist durch eine Feder 16 in seine Verriegelungsstellung vorgespannt. Er kann von Hand aus durch Ziehen an seiner Grifföse 13 vom Standrohr 1 weggeschwenkt werden, um die Klinke 15 aus der Lochschiene 8 herauszuheben. Die Klinke 15 ist mit einer nach oben weisenden Auflaufschräge versehen, durch die sie beim Hochziehen der unteren Hülse 6 aus der Lochschiene 8 ausgehoben wird.The locking device 7 is housed in the lower part 6 a of the sleeve 6. it includes a pivotally mounted in the lower sleeve 6, provided at its lower end with a Grifrose 13 lever 14 which engages with a protruding from him pawl 15 in a hole of the hole rail 8 and blocks the downward movement of the lower sleeve 6. The lever 14 is biased by a spring 16 in its locking position. It can be pivoted away from the standpipe 1 by pulling on its handle eye 13 by hand, in order to lift the pawl 15 out of the perforated rail 8. The pawl 15 is provided with an upwardly facing ramp, through which it is lifted when pulling up the lower sleeve 6 from the hole rail 8.

Die zusätzliche Kraftübertragungseinrichtung 9 ist im Inneren einer oberen Verlängerung 6b der unteren Hülse 6 untergebracht. Sie umfasst ein zweigliedriges Kraftübertragungselement 17, von dem das obere Glied 18 an der unteren Hülse 6 angelenkt ist, während sein am Standrohr 1 abstützbares, unteres Glied 19 durch eine Rückstellfeder 20 belastete ist und in einer mit der Lochschiene 8 in Eingriff bringbaren Klinke 21 endet, die mit einer nach oben weisenden Auflaufschräge versehen ist. Das obere Glied 18 ist als Kraftübersetzungshebel ausgebildet, der über die Gelenkverbindung mit dem unteren Glied 19 hinaus vorsteht und dort einen äußeren Hebelsarm 22 bildet, an dem die Aufzugsleine 10 angreift. Diese ist vom Hebelsarm 22 weg nach unten zu einer unteren Umlenkrolle 23 geführt, die unterhalb der zusätzlichen Kraftübertragungseinrichtung 9 an der unteren Hülse 6 angebracht ist. An der unteren Umlenkrolle 23 wird die Aufzugsleine 10 nach oben umgelenkt und verläuft dann dem Standrohr 1 benachbart nach oben.The additional power transmission device 9 is housed inside an upper extension 6b of the lower sleeve 6. It comprises a two-part power transmission element 17, of which the upper member 18 is hinged to the lower sleeve 6, while its supportable on the standpipe 1, lower member 19 is loaded by a return spring 20 and ends in a engageable with the hole rail 8 engageable pawl 21 , which is provided with an upwardly facing ramp. The upper member 18 is formed as a force translating lever, which protrudes beyond the hinge connection with the lower member 19 and there forms an outer lever arm 22, on which the elevator cord 10 engages. This is guided away from the lever arm 22 down to a lower guide roller 23, which is mounted below the additional power transmission device 9 on the lower sleeve 6. At the lower guide roller 23, the elevator line 10 is deflected upward and then extends the standpipe 1 adjacent to the top.

In der Ruhestellung ist das untere Glied 19 mit seiner Klinke 21 durch die Rückstellfeder 20 aus der Lochschiene 8 herausgehoben und zum oberen Glied 18 beigeklappt, das von seiner Anlenkung an der unteren Hülse 6 weg schräg nach oben absteht. Das Kraftübertragungselement 17 ist in sich zusammengeklappt.In the rest position, the lower member 19 is lifted with its pawl 21 by the return spring 20 from the hole rail 8 and folded to the upper member 18, which projects away from its articulation on the lower sleeve 6 obliquely upward. The power transmission element 17 is folded in itself.

Beim Betätigen der Aufzugsleine 10 wird diese über die Führungsrolle 12 vom Standrohr 1 weg aus dem Spreizgestell 2 herausgezogen und in der unteren Hülse 6 zur unteren Umlenkrolle 23 hin nach unten gezogen. Das in sich zusammengeklappte Kraftübertragungselement 17 wird am äußeren Hebelsarm 22 seines oberen Gliedes 18 nach unten gezogen, zum Standrohr 1 geschwenkt, an diesem abgestützt und schließlich in die Länge gestreckt. Durch die Streckbewegung des Kraftübertragungselementes 17 wird die untere Hülse 6 am Standrohr 1 nach oben bewegt. Beim Loslassen der Aufzugsleine 10 wird das Kraftübertragungselement 17 durch die Rückstellfeder 20 wieder zusammengeklappt.Upon actuation of the elevator line 10, this is pulled out over the guide roller 12 from the standpipe 1 away from the Spreader 2 and pulled in the lower sleeve 6 to the lower guide roller 23 down. The collapsed power transmission member 17 is pulled on the outer lever arm 22 of its upper member 18 down, pivoted to the standpipe 1, supported on this and finally stretched in length. By the stretching movement of the force transmission element 17, the lower sleeve 6 is moved on the standpipe 1 upwards. When releasing the elevator line 10, the power transmission element 17 is folded again by the return spring 20.

Zum Aufklappen des Spreizgestells 2 wird die Aufzugsleine 10 betätigt und die untere Hülse 6 am Standrohr 1 hochgezogen, bis sie von ihrer Feststellvorrichtung 7 bei aufgeklapptem Spreizgestell 2 am Standrohr 1 arretiert wird. Bei der zusätzlichen Kraftübertragungseinrichtung 9 wird das zweigliedrige Kraftübertragungselement 17 gestreckt. Das Kraftübertragungselement 17 bleibt bis zum Loslassen der Aufzugsleine 10 gestreckt.To open the Spreizgestells 2, the elevator line 10 is actuated and the lower sleeve 6 is pulled up the standpipe 1 until it is unfolded by its locking device 7 at Spreader 2 is locked on the standpipe 1. In the additional power transmission device 9, the two-part power transmission element 17 is stretched. The power transmission element 17 remains stretched until the leash 10 is released.

Nach dem Aufklappen des Spreizgestells 2 wird die Aufzugsleine 10 noch einmal oder mehrmals betätigt, um die untere Hülse 6 mit Hilfe der zusätzlichen Kraftübertragungseinrichtung 9 noch ein Stück anzuheben und die Wäscheleine durch die sich dabei auseinanderbewegenden Tragarme 5 des Spreizgestells 2 zu spannen. Bei diesem Betätigen der Aufzugsleine 10 wird die untere Hülse 6 durch die Streckbewegung des zweigliedrigen Kraftübertragungselementes 17 der zusätzlichen Kraftübertragungseinrichtung 9 angehoben bis die Klinke 15 der Feststellvorrichtung 7 in einem höher gelegenen Loch der Lochschiene 8 einrastet. Anschließend wird die Aufzugsleine 10 losgelassen und das zweigliedrige Kraftübertragungselement 17 kehrt in seinen zusammengeklappten Zustand zurück. Beim neuerlichen Betätigen der Aufzugsleine 10 wird das Kraftübertragungselement 17 wieder mit den Standrohr 1 in Eingriff gebracht und die untere Hülse 6 wird durch die Streckbewegung des Kraftübertragungselementes 17 angehoben bis die Klinke 15 der Feststellvorrichtung 7 in einem höher gelegenen Loch der Lochschiene 8 einrastet.After unfolding the Spreizgestells 2, the elevator line 10 is operated again or several times to raise the lower sleeve 6 with the help of the additional power transmission device 9 a piece and to stretch the clothesline by the thereby moving apart support arms 5 of the Spreizgestells 2. In this operation, the elevator line 10, the lower sleeve 6 is raised by the stretching movement of the two-part power transmission element 17 of the additional power transmission device 9 until the pawl 15 of the locking device 7 engages in a higher hole of the hole rail 8. Subsequently, the elevator cord 10 is released and the two-part power transmission member 17 returns to its folded state. Upon renewed actuation of the hoist line 10, the power transmission element 17 is again brought into engagement with the standpipe 1 and the lower sleeve 6 is lifted by the stretching movement of the power transmission element 17 until the pawl 15 of the locking device 7 engages in a higher hole of the perforated rail 8.

Fig. 2 zeigt einen weiteren Wäschetrockner mit einem zentralen Standrohr 24, auf dem ein durch eine Aufzugsleine 25 betätigbares Spreizgestell 26 sitzt. Die Wäscheleine wird von den an der unteren Hülse 27 des Spreizgestells 26 angelenkten Tragarmen 28 getragen, die mit den oberen Stützarmen 29 des Spreizgestells 26 gelenkig verbunden sind. Die Stützarme 29 sind an der oberen Hülse 30 des Spreizgestells 26 angelenkt, die ihrerseits am oberen Ende des Standrohres 24 verankert ist. Fig. 2 shows a further clothes dryer with a central standpipe 24, on which a spreadable by an elevator line 25 spreading frame 26 is seated. The clothesline is carried by the hinged to the lower sleeve 27 of the spreader 26 supporting arms 28 which are pivotally connected to the upper support arms 29 of the spreader 26. The support arms 29 are hinged to the upper sleeve 30 of the Spreizgestells 26, which in turn is anchored at the upper end of the standpipe 24.

Die untere Hülse 27 des Spreizgestells 26 ist entlang dem mit einer Gleitschiene 31 versehenen Standrohr 24 verschiebbar. Sie trägt in ihrer untere Hälfte eine Feststellvorrichtung 32, mit der sie am Standrohr 24 fixiert werden kann. Die Feststellvorrichtung 32 besitzt einen in der unteren Hülse 27 schwenkbar gelagerten und durch eine Feder 33 beaufschlagten Hebel 34, der eine selbstsperrende Rolle 35 gegen die Gleitschiene 31 andrückt und so die Abwärtsbewegung der unteren Hülse 27 blockiert. Die selbstsperrende Rolle 35 lässt sich nur in eine Richtung drehen und sperrt das Drehen in die Gegenrichtung selbsttätig. Im Eingriff mit der Gleitschiene 31 lässt sich die Rolle 35 nur während der Aufwärtsbewegung der unteren Hülse 27 drehen. Am unteren Ende des Hebels 34 ist eine Grifföse 36 angebracht. Durch Ziehen an der Grifföse 36 kann der Hebel 34 vom Standrohr 24 weggeschwenkt werden, um die Rolle 35 von der Gleitschiene 31 abzuheben und eine Abwärtsbewegung der unteren Hülse 27 zu ermöglichen. Beim Loslassen des Hebels 34 wird die selbstsperrende Rolle 35 wieder an die Gleitschiene 31 angedrückt und die Abwärtsbewegung der unteren Hülse 27 blockiert.The lower sleeve 27 of the Spreizgestells 26 is slidable along the provided with a slide 31 standpipe 24. It carries in its lower half a locking device 32, with which it can be fixed to the standpipe 24. The locking device 32 has a pivotably mounted in the lower sleeve 27 and acted upon by a spring 33 lever 34, which presses a self-locking roller 35 against the slide rail 31 and thus blocks the downward movement of the lower sleeve 27. The self-locking roller 35 can only rotate in one direction and locks the rotation in the opposite direction automatically. In engagement with the slide 31, the roller 35 can rotate only during the upward movement of the lower sleeve 27. At the lower end of the lever 34, a handle 36 is attached. By pulling on the handle 36, the lever 34 can be pivoted away from the standpipe 24 to lift the roller 35 from the slide 31 and to allow downward movement of the lower sleeve 27. When you release the lever 34, the self-locking roller 35 is again pressed against the slide 31 and blocks the downward movement of the lower sleeve 27.

Die untere Hülse 27 des Spreizgestells 26 trägt in ihrer oberen Hälfte eine zusätzliche Kraftübertragungseinrichtung 37, mit der sie entlang dem Standrohr 24 schrittweise nach oben bewegt werden kann. Die zusätzliche Kraftübertragungseinrichtung 37 sieht ein zweigliedriges, durch Ziehen an der Aufzugsleine 25 entlang dem Standrohr 24 in die Länge streckbares Kraftübertragungselement 38 vor. Dieses ist mit seinem oberen Glied 39 an der unteren Hülse 27 nahe dem oberen Hülsenrand angelenkt. Das obere Glied 39 besitzt einen über seine Gelenkverbindung mit dem unteren Glied 40 hinaus vorstehenden Arm 41, an dem die Aufzugsleine 25 angreift. Das untere Glied 40 trägt an seinem unteren Ende eine der Gleitschiene 31 benachbarte, in einer schrägen Gleitführung 42 der unteren Hülse 27 nach unten verschiebbare, selbstsperrende Rolle 43, die von einer zur Gleitführung 42 parallel verlaufenden Rückstellfeder 44 in der unteren Hülse 27 nach oben gedrückt wird.The lower sleeve 27 of the Spreizgestells 26 carries in its upper half an additional power transmission device 37, with which it can be moved along the standpipe 24 gradually upwards. The additional power transmission device 37 provides a two-part, by pulling on the elevator line 25 along the standpipe 24 in the length stretchable power transmission element 38. This is hinged with its upper member 39 on the lower sleeve 27 near the upper sleeve edge. The upper member 39 has an arm 41 which projects beyond its articulated connection with the lower member 40 and on which the elevator cord 25 engages. The lower member 40 carries at its lower end a sliding rail 31 adjacent, in an oblique sliding guide 42 of the lower sleeve 27 downwardly displaceable, self-locking roller 43, which is pressed by a sliding guide 42 parallel to the return spring 44 in the lower sleeve 27 upwards becomes.

Die Aufzugsleine 25 wird in der unteren Hülse 27 vom äußeren Arm 41 des oberen Gliedes 39 des Kraftübertragungselementes 38 weg nach unten geführt und an einer unterhalb der zusätzlichen Kraftübertragungseinrichtung 37 angeordneten, unteren Umlenkrolle 45 nach oben umgelenkt. Von der unteren Hülse 27 weg verläuft die Aufzugsleine 25 neben dem Standrohr 1 nach oben zu einer oberen Umlenkrolle 46, die der oberen Hülse 30 des Spreizgestells 26 benachbart an einem Stützarm 29 angebracht ist. An der oberen Umlenkrolle 46 wird die Aufzugsleine 25 vom Standrohr 24 weg nach außen zu dem mit dem Stützarm 29 gelenkig verbundenen Tragarm 28 umgelenkt, bevor sie das Spreizgestell 26 über eine an diesem Tragarm 28 angebrachte Führungsrolle 47 verlässt.The elevator cord 25 is guided in the lower sleeve 27 away from the outer arm 41 of the upper member 39 of the power transmission element 38 and deflected at an arranged below the additional power transmission means 37, lower guide roller 45 upwards. From the lower sleeve 27 away, the elevator cord 25 extends next to the standpipe 1 up to an upper guide roller 46 which is adjacent to the upper sleeve 30 of the Spreizgestells 26 attached to a support arm 29. At the upper deflection roller 46, the elevator cord 25 is deflected away from the standpipe 24 outwards to the support arm 28 hingedly connected to the support arm 29 before it leaves the expansion frame 26 via a guide roller 47 attached to this support arm 28.

In der Ruhestellung der zusätzlichen Kraftübertragungseinrichtung 37 ist die selbstsperrende Rolle 43 durch die Rückstellfeder 44 von der Gleitschiene 31 etwas abgehoben. Das obere Glied 39 des Kraftübertragungselementes 38 steht von seiner Anlenkung an der unteren Hülse 27 weg schräg nach oben. Das untere Glied 40 ist zum oberen Glied 39 hin beigeklappt. Das Kraftübertragungselement 38 ist in sich zusammengeklappt.In the rest position of the additional power transmission device 37, the self-locking roller 43 is slightly lifted by the return spring 44 of the slide 31. The upper member 39 of the power transmission element 38 is from its articulation on the lower sleeve 27 obliquely upward. The lower member 40 is folded in towards the upper member 39. The power transmission element 38 is folded in itself.

Beim Betätigen der Aufzugsleine 25 wird diese über die Führungsrolle 47 vom Standrohr 24 weg aus dem Spreizgestell 26 herausgezogen. In der unteren Hülse 27 wird das in sich zusammengeklappte Kraftübertragungselement 38 von der Aufzugsleine 25 am äußeren Arm 22 des oberen Gliedes 18 nach unten gezogen und in die Länge gestreckt. Das untere Glied 40 schiebt die selbstsperrende Rolle 43 in der Gleitführung 42 entgegen der Kraft der Rückstellfeder 44 nach unten, bis die selbstsperrende Rolle 43 an der Gleitschiene 31 anliegt und die weitere Abwärtsbewegung des unteren Gliedes 40 blockiert. Nun stützt sich das Kraftübertragungselement 38 über die blockierende Rolle 43 am Standrohr 24 ab, sodass die untere Hülse 27 durch die weiterlaufende Streckbewegung des Kraftübertragungselementes 38 am Standrohr 24 nach oben bewegt wird. Beim Loslassen der Aufzugsleine 25 wird die selbstsperrende Rolle 43 durch die Rückstellfeder 44 in der Gleitführung 42 nach oben geschoben und von der Gleitschiene 31 etwas abgehoben. Gleichzeitig wird das Kraftübertragungselement 38 in sich zusammengeklappt.When the elevator line 25 is actuated, it is pulled out of the expansion frame 26 away from the standpipe 24 via the guide roller 47. In the lower sleeve 27, the collapsed power transmission member 38 is pulled down by the elevator cord 25 on the outer arm 22 of the upper member 18 and stretched in length. The lower member 40 pushes the self-locking roller 43 in the sliding guide 42 against the force of the return spring 44 down until the self-locking roller 43 rests against the slide rail 31 and blocks the further downward movement of the lower member 40. Now the power transmission element is supported 38 on the blocking roller 43 on the standpipe 24 from, so that the lower sleeve 27 is moved by the continuing stretching movement of the power transmission element 38 on the standpipe 24 upwards. When releasing the elevator cord 25, the self-locking roller 43 is pushed by the return spring 44 in the slide 42 upwards and slightly lifted from the slide 31. At the same time, the power transmission element 38 is folded in itself.

Zum Aufklappen des Spreizgestells 26 wird die Aufzugsleine 25 betätigt und die untere Hülse 27 am Standrohr 24 hochgezogen, bis das Spreizgestell 26 aufgeklappt ist. Während des Hochziehens der unteren Hülse 27 lieg die selbstsperrende Rolle 35 der Feststellvorrichtung 32 an der Gleitschiene 31 an und blockiert die Abwärtsbewegung der unteren Hülse 27. Beim Betätigen der Aufzugsleine 25 wird auch das zweigliedrige Kraflübertragungselement 38 der Kraftübertragung 37 gestreckt. Das Kraftübertragungselement 38 bleibt bis zum Loslassen der Aufzugsleine 25 gestreckt.To open the Spreizgestells 26, the elevator line 25 is actuated and the lower sleeve 27 is pulled up the standpipe 24 until the expansion frame 26 is opened. During the pulling up of the lower sleeve 27, the self-locking roller 35 of the locking device 32 abuts against the slide rail 31 and blocks the downward movement of the lower sleeve 27. When the elevator cord 25 is actuated, the bipartite Kraflübertragungselement 38 of the power transmission 37 is stretched. The power transmission element 38 remains stretched until the leash 25 is released.

Nach dem Aufklappen des Spreizgestells 62 wird die Aufzugsleine 25 noch einmal oder mehrmals betätigt, um die untere Hülse 27 mit Hilfe der zusätzlichen Kraftübertragungseinrichtung 37 noch ein Stück anzuheben und die Wäscheleine durch die sich dabei auseinanderbewegenden Tragarme 28 des Spreizgestells 26 zu spannen. Beim Betätigen der Aufzugsleine 25 wird das zweigliedrige Kraftübertragungselement 38 gestreckt und mit seinem unteren Glied 40 entlang der Gleitschiene 31 nach unten geschoben, bis die selbstsperrende Rolle 43 an der Gleitschiene 31 anliegt und die weitere Abwärtsbewegung blockiert. Anschließend wird die untere Hülse 27 durch die weiterlaufende Streckbewegung des Kraftübertragungselementes 38 am Standrohr 24 nach oben bewegt. Während des Hochziehens der unteren Hülse 27 lieg die selbstsperrende Rolle 35 der Feststellvorrichtung 32 an der Gleitschiene 31 an und blockiert die Abwärtsbewegung der unteren Hülse 27. In der über das Kraftübertragungselement 38 angehobenen Position der unteren Hülse 27 wird die Aufzugsleine 25 losgelassen. Die Rückstellfeder 44 schiebt die selbstsperrende Rolle 43 des Kraftübertragungselementes 38 in der Gleitführung 42 nach oben und hebt die Rolle 43 von der Gleitschiene 31 etwas ab. Gleichzeitig wird das Kraftübertragungselement 38 von der Rückstellfeder 44 nach oben geschoben und in sich zusammengeklappt. Beim neuerlichen Betätigen der Aufzugsleine 25 wird das Kraftübertragungselement 38 wieder mit den Standrohr 24 in Eingriff gebracht und die untere Hülse 27 wird durch die Streckbewegung des Kraftübertragungselementes 38 wieder angehoben.After unfolding the Spreizgestells 62, the elevator line 25 is actuated again or several times to raise the lower sleeve 27 with the help of the additional power transmission device 37 a piece and tension the clothesline by the thereby disengaging brackets 28 of the Spreizgestells 26. When operating the elevator line 25, the two-part power transmission element 38 is stretched and pushed with its lower member 40 along the slide 31 down until the self-locking roller 43 abuts the slide rail 31 and blocks the further downward movement. Subsequently, the lower sleeve 27 is moved by the continuing stretching movement of the power transmission element 38 on the standpipe 24 upwards. During the pulling up of the lower sleeve 27, the self-locking roller 35 of the locking device 32 abuts against the slide rail 31 and blocks the downward movement of the lower sleeve 27. In the raised position of the lower sleeve 27 via the force transmission element 38, the elevator cord 25 is released. The return spring 44 pushes the self-locking roller 43 of the power transmission element 38 in the sliding guide 42 upwards and lifts the roller 43 from the slide 31 from something. At the same time, the power transmission element 38 is pushed by the return spring 44 upwards and collapsed. Upon renewed actuation of the hoist line 25, the power transmission element 38 is again brought into engagement with the standpipe 24 and the lower sleeve 27 is raised again by the stretching movement of the force transmission element 38.

Claims (14)

  1. Umbrella-like laundry dryer, in which a central vertical tube (1, 24) carries an expanding frame (2, 26) for the clothesline, which frame can be folded up via a hoisting line (10, 25) adjacent to said vertical tube (1, 24), wherein the expanding frame (2, 26) possesses carrying arms (5, 28) for the clothesline which are arranged in the shape of a star and are articulated on a lower sleeve (6, 27) surrounding the vertical tube (1, 24), and supporting arms (3, 29) which are connected to said carrying arms (5, 28) in an articulated manner and are articulated on an upper sleeve (4, 30) surrounding said vertical tube (1, 24), and the hoisting line (10, 25) acts upon said lower sleeve (6, 27) which can be displaced along the vertical tube (1, 24) and arrested in various positions on said vertical tube (1, 24) by a releasable arresting device (7, 32),
    characterised in that
    the lower sleeve (6, 27) is equipped with, in addition to the releasable arresting device (7, 32), an additional force-transmitting apparatus (9, 37) which can be actuated via a tensioning line and in which there is provided a force-transmitting element (17, 38) which is coupled to the tensioning line and can be temporarily supported on the vertical tube (1, 24) when said tensioning line is actuated and which, in its position when supported on said vertical tube (1, 24), converts the actuation of the tensioning line into an upwardly directed movement step on the part of the lower sleeve (6, 27).
  2. Laundry dryer according to claim 1,
    characterised in that
    the additional force-transmitting apparatus (9, 37) attached to the lower sleeve (6, 27) possesses a housing which is connected to said lower sleeve (6, 27) and in which the force-transmitting element (17, 38) that can be temporarily supported on the vertical tube (1, 24) is accommodated.
  3. Laundry dryer according to claim 1 or 2,
    characterised in that
    the force-transmitting element (17, 38) is acted upon by a restoring spring (20, 44).
  4. Laundry dryer according to claim 1 or 2,
    characterised in that
    a two-member force-transmitting element (17, 38) is provided, in which a member (19, 40) that can be temporarily supported on the vertical tube (1, 24) and a member (18, 39) which is connected to said member (19, 40) in an articulated manner and is articulated on the lower sleeve (6, 27) or on the housing of the additional force-transmitting apparatus (9, 37), are arranged one above the other along the vertical tube (1, 24) and can be pivoted in relation to one another when the tensioning line is actuated, and the second member (18, 39) brings about an upwardly directed movement step on the part of the lower sleeve (6, 27) when said tensioning line is actuated.
  5. Laundry dryer according to claim 4,
    characterised in that
    there is provided, in the case of the two-member force-transmitting element (17), a restoring spring (20) which bridges the articulated connection of the two members (17, 19) and pretensions said two members (17, 19) into an angled position.
  6. Laundry dryer according to claim 4,
    characterised in that
    there is provided, in the case of the two-member force-transmitting element (38), a restoring spring (44) which pretensions the two members (39, 40) into an angled position and by means of which the member (40) that can be temporarily supported on the vertical tube (24) is supported in a resilient manner on the lower sleeve (27) or on the housing of the additional force-transmitting apparatus (37).
  7. Laundry dryer according to one of claims 4 to 6,
    characterised in that,
    in the case of the two-member force-transmitting element (17, 38), one member (18, 39) is constructed as a force transmission lever which possesses a lever arm (22, 41) which projects beyond the articulated connection of the two members (18, 19, 39, 40) and upon which the tensioning line acts.
  8. Laundry dryer according to one of claims 1 to 7,
    characterised in that
    the force-transmitting element (17) that can be temporarily supported on the vertical tube (1), namely its member (19) that can be temporarily supported on said vertical tube (1), is constructed as a latch (21) which can be brought into engagement with the notches provided on the vertical tube (1) for the releasable arresting device (7) of the lower sleeve (6).
  9. Laundry dryer according to one of claims 1 to 7,
    characterised in that
    the force-transmitting element (38) that can be temporarily supported on the vertical tube (24), namely its member (40) that can be temporarily supported on said vertical tube (24), carries a self-locking roller (43) which can be brought into engagement with said vertical tube (24) and which, when in engagement with the latter, blocks a downward movement of the lower sleeve (27).
  10. Laundry dryer according to one of claims 1 to 9,
    characterised in that
    the force-transmitting element (17, 38) is accommodated in a housing which is integrated into the lower sleeve (6, 27).
  11. Laundry dryer according to one of claims 1 to 9,
    characterised in that
    the force-transmitting element (17, 38) is accommodated in a housing which is constructed as an extension of the lower sleeve (6, 27) that adjoins said sleeve (6, 27) in the upward or downward direction.
  12. Laundry dryer according to one of claims 1 to 11,
    characterised in that
    the releasable arresting device (32) of the lower sleeve (27) and that force-transmitting element (38) of the additional force-transmitting apparatus (37) attached to said lower sleeve (27) which can be temporarily supported on the vertical tube (24), are each provided with a self-locking roller (35 and 43 respectively) which can be brought into engagement with a sliding rail (31) attached to said vertical tube (24) and which, when in engagement with said sliding rail (31), blocks a downward movement of the lower sleeve (27).
  13. Laundry dryer according to one of claims 1 to 12,
    characterised in that
    that tensioning line of the additional force-transmitting apparatus (9, 37) which is coupled to the force-transmitting element (17, 38) that can be temporarily supported on the vertical tube (1, 24) is guided out of the expanding frame (2, 26) via a guide element (12, 47) attached to one of the carrying arms (5, 28) of said expanding frame (2, 26).
  14. Laundry dryer according to one of claims 1 to 12,
    characterised in that
    the hoisting line (10, 25) is constructed as the tensioning line (10, 25) for actuating the additional force-transmitting apparatus (9, 37), under which circumstances said hoisting line (10, 25) is coupled to the force-transmitting element (17, 38) that can be temporarily supported on the vertical tube (1, 24), and is guided upwards in the expanding frame (2, 26) away from the lower sleeve (6, 27) in a manner adjacent to the vertical tube (1, 24), is deflected away from said vertical tube (1, 24) on the upper sleeve (4, 30) or via a deflecting roller (11, 46) attached to the upper end section of a supporting arm (3, 29), and is guided out of the expanding frame (2, 26) laterally via a guide element (12, 47) attached to one of the carrying arms (5, 28) of said expanding frame (2, 26).
EP04764492A 2003-08-29 2004-08-26 Umbrella-like laundry dryer Not-in-force EP1658400B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0136603A AT413987B (en) 2003-08-29 2003-08-29 SHINY DRIER
PCT/EP2004/009516 WO2005024114A1 (en) 2003-08-29 2004-08-26 Umbrella-like laundry dryer

Publications (2)

Publication Number Publication Date
EP1658400A1 EP1658400A1 (en) 2006-05-24
EP1658400B1 true EP1658400B1 (en) 2010-09-29

Family

ID=34229709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04764492A Not-in-force EP1658400B1 (en) 2003-08-29 2004-08-26 Umbrella-like laundry dryer

Country Status (5)

Country Link
US (1) US7127829B2 (en)
EP (1) EP1658400B1 (en)
AT (2) AT413987B (en)
DE (1) DE502004011708D1 (en)
WO (1) WO2005024114A1 (en)

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EP2851463A1 (en) * 2013-09-23 2015-03-25 Leifheit Ag Rotary clothes drier

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EP1766123B1 (en) * 2004-06-25 2016-08-17 Leifheit AG Umbrella-like laundry drier
AT502115B8 (en) * 2005-07-14 2007-08-15 Wuester Heinrich SHIELDED DRYER WITH ACTUATOR
US8720836B2 (en) * 2007-10-08 2014-05-13 James Hogan Variably controlled adjustable height carriages for raising, lowering, holding, locking and releasing objects on elevated structures
AT508255B1 (en) * 2009-10-16 2010-12-15 Wuester Heinrich SHIELDED DRIER WITH CONTROL LEVER
DE102011000201B3 (en) * 2011-01-18 2012-04-12 Leifheit Ag clothes dryer
DE102011050256B4 (en) * 2011-05-10 2013-01-31 Leifheit Ag clothes dryer
US8925216B2 (en) * 2011-08-25 2015-01-06 James M. Lutz Clothes drying apparatus
US10506877B1 (en) * 2017-12-22 2019-12-17 II John W. Edwards Collapsible tie rack
CN110552177B (en) * 2019-09-30 2021-03-30 浙江君邦电子科技有限公司 Control system for clothes airing
DE102020110211B3 (en) * 2020-04-14 2021-05-12 Carl Freudenberg Kg Rotary clothes dryer

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Also Published As

Publication number Publication date
WO2005024114A1 (en) 2005-03-17
US20060180687A1 (en) 2006-08-17
US7127829B2 (en) 2006-10-31
ATE483053T1 (en) 2010-10-15
ATA13662003A (en) 2005-11-15
AT413987B (en) 2006-08-15
EP1658400A1 (en) 2006-05-24
DE502004011708D1 (en) 2010-11-11

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