EP2009223A2 - Step ladder with support foot - Google Patents
Step ladder with support foot Download PDFInfo
- Publication number
- EP2009223A2 EP2009223A2 EP08010907A EP08010907A EP2009223A2 EP 2009223 A2 EP2009223 A2 EP 2009223A2 EP 08010907 A EP08010907 A EP 08010907A EP 08010907 A EP08010907 A EP 08010907A EP 2009223 A2 EP2009223 A2 EP 2009223A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stepladder
- support
- stepladder according
- support leg
- length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
- E06C1/393—Ladders having platforms foldable with the ladder
Definitions
- the invention relates to a stepladder with a spar device are arranged on the treads and with a pivotally mounted on the spar device supporting device, the spar device at the lower end having a first and a second support leg,
- Out DE 102 10 867 A1 is a stepladder with a support member and a step part known, which are hinged together, wherein the support and the step part in the swung-open state occupy an acute-angled triangle.
- the stepladder is characterized in that the support member is formed shorter in length than the step portion, wherein with the support member in the length of variable legs cooperate, which are arranged individually leveling to the support surface adjustable on the support member.
- stand legs which are variable in length are arranged on the support part, said legs being arranged so as to be adjustable in leveling relation to the support part individually relative to the standing surface.
- a similar ladder is also off DE 202 19 086 U1 known.
- the known stepladders have the disadvantage that the setting is relatively cumbersome, since always the lengths of two legs must be coordinated.
- Out DE 44 02 760 A1 is a ladder known, which can be placed on uneven ground with the help of a variable-length and articulated to the spars of the rung ladder support.
- the ladder has the disadvantage that it does not provide sufficient stability.
- a stepladder which is characterized in that the support device has a parallel to the treads arranged third support leg whose length corresponds at least to the distance between the first and second support leg, wherein the length of the support device is adjustable.
- the stepladder according to the invention has the advantage that it is extremely easy to operate, in particular since, in an advantageous embodiment, it has only a single telescopically telescoping supporting element.
- the stepladder is thus adjustable to almost all climbing requirements in the home and at the same time safe. It has been shown that even on spiral staircases no adjustment of several feet is required.
- a particular embodiment of the stepladder according to the invention has a telescopically telescoping support element.
- the telescopically telescoping support element and the third support leg are arranged in a T-shape relative to one another. This design is particularly convenient and stable.
- the telescopically telescoping support member in different length settings - again releasably - temporarily locked.
- an - preferably spring-loaded - locking bolt is provided on an outer tube of the telescopically nestable support element, which engages in one of a plurality of holes of an inner tube.
- a - preferably spring-loaded - locking pin is provided on an inner tube of the telescopically telescoping support member, which engages in one of a plurality of holes of an outer tube. This version is particularly safe against unintentional adjustment.
- a tread platform is provided.
- the tread platform is articulated to the support device - and not as usual on the handlebar - arranged. It is preferably provided that the Tread platform in the Aufsp Son ein the stepladder on the spar device - for example, a cross member on the spar device - is supported and preferably secured there with platform locking.
- This special arrangement of the tread platform has the very special advantage that an unintentional collapse of the stepladder is impossible, because the tread platform is pressed under load in the platform lock.
- the platform lock can be embodied, for example, as latching noses arranged on the tread platform, which engage around a cross strut arranged on the rail device in the locking position.
- the stepladder is designed as a step ladder. It can be advantageously provided that the adjustment of the support device is designed such that the steps of step ladder according to the invention almost always with horizontal treads (both longitudinal and transverse) can be placed on stairs, regardless of which gradients, which riser height or which Step entrance width has the stairs.
- the length of the third support leg is increased.
- this extendable and / or fold-out Stützfußverinritch be provided.
Landscapes
- Ladders (AREA)
Abstract
Description
Die Erfindung betrifft eine Stehleiter mit einer Holmvorrichtung an der Trittstufen angeordnet sind und mit einer gelenkig an der Holmvorrichtung angeordneten Stützvorrichtung, wobei die Holmvorrichtung am unteren Ende einen ersten und einen zweiten Stützfuß aufweist,The invention relates to a stepladder with a spar device are arranged on the treads and with a pivotally mounted on the spar device supporting device, the spar device at the lower end having a first and a second support leg,
Aus
Aus
Es ist die Aufgabe der vorliegenden Erfindung, eine Stehleiter anzugeben, die universell auch auf unebenen Untergrund - insbesondere auf Treppen oder Treppenabsätzen - einsetzbar ist und die gleichzeitig eine gute Standsicherheit bietet.It is the object of the present invention to provide a stepladder, the can also be used universally on uneven ground - especially on stairs or stair landings - and at the same time offers good stability.
Die Aufgabe wird durch eine Stehleiter gelöst, die dadurch gekennzeichnet ist, dass die Stützvorrichtung einen parallel zu den Trittstufen angeordneten dritten Stützfuß aufweist, dessen Länge mindestens dem Abstand zwischen erstem und zweitem Stützfuß entspricht, wobei die Länge der Stützvorrichtung einstellbar ist.The object is achieved by a stepladder, which is characterized in that the support device has a parallel to the treads arranged third support leg whose length corresponds at least to the distance between the first and second support leg, wherein the length of the support device is adjustable.
Die erfindungsgemäße Stehleiter hat den Vorteil, dass äußerst einfach zu bedienen ist, insbesondere da sie in einer vorteilhaften Ausführung nur ein einziges teleskopartig ineinanderschiebbares Stützelement aufweist. Die Stehleiter ist damit auf nahezu alle Steiganforderungen im Haushalt einstellbar und dabei gleichzeitig sicher. Es hat sich gezeigt, dass selbst auf Wendeltreppen keine Verstellbarkeit mehrerer Standfüße erforderlich ist.The stepladder according to the invention has the advantage that it is extremely easy to operate, in particular since, in an advantageous embodiment, it has only a single telescopically telescoping supporting element. The stepladder is thus adjustable to almost all climbing requirements in the home and at the same time safe. It has been shown that even on spiral staircases no adjustment of several feet is required.
Eine besondere Ausführung der erfindungsgemäßen Stehleiter weist ein teleskopartig ineinanderschiebbares Stützelement auf. Hierbei kann vorteilhafter Weise vorgesehen sein, dass das teleskopartig ineinanderschiebbare Stützelement und der dritte Stützfuß t-förmig zueinander angeordnet sind. Diese Ausführung ist besonders zweckmäßig und stabil.A particular embodiment of the stepladder according to the invention has a telescopically telescoping support element. In this case, it can be advantageously provided that the telescopically telescoping support element and the third support leg are arranged in a T-shape relative to one another. This design is particularly convenient and stable.
Vorzugsweise kann das teleskopartig ineinanderschiebbare Stützelement in unterschiedlichen Längeneinstellungen - wieder lösbar - vorübergehend arretiert. Bei einer besonderen Ausführung ist vorgesehen, dass an einem Außenrohr des teleskopartig ineinanderschiebbaren Stützelementes ein - vorzugsweise federbelasteter - Rastbolzen vorgesehen ist, der in eine von mehreren Bohrungen eines Innenrohres eingreift. Es kann jedoch auch vorgesehen sein, dass an einem Innenrohr des teleskopartig ineinanderschiebbaren Stützelementes ein - vorzugsweise federbelasteter - Rastbolzen vorgesehen ist, der in eine von mehreren Bohrungen eines Außenrohres eingreift. Diese Ausführung ist besonders sicher gegen ungewolltes Verstellen.Preferably, the telescopically telescoping support member in different length settings - again releasably - temporarily locked. In a particular embodiment, it is provided that an - preferably spring-loaded - locking bolt is provided on an outer tube of the telescopically nestable support element, which engages in one of a plurality of holes of an inner tube. However, it may also be provided that a - preferably spring-loaded - locking pin is provided on an inner tube of the telescopically telescoping support member, which engages in one of a plurality of holes of an outer tube. This version is particularly safe against unintentional adjustment.
Bei einer besonderen Ausführung ist vorgesehen ist eine Trittplattform vorgesehen. Bei einer besonders vorteilhaften Ausführung ist die Trittplattform gelenkig an der Stützvorrichtung - und nicht wie üblich an der Holmvorrichtung - angeordnet. Vorzugsweise ist vorgesehen, dass sich die Trittplattform in der Aufspreizstellung der Stehleiter an der Holmvorrichtung - beispielsweise einer Querstrebe an der Holmvorrichtung - abstützt und vorzugsweise dort mit Plattformverriegelung gesichert ist. Diese Besondere Anordnung der Trittplattform hat den ganz besonderen Vorteil, dass ein ungewolltes Zusammenklappen der Stehleiter unmöglich ist, weil die Trittplattform bei Belastung in die Plattformverriegelung gedrückt wird. Die Plattformverriegelung kann beispielsweise als an der Trittplattform angeordnete Rastnasen ausgeführt sein, die eine an der Holmvorrichtung angeordnete Querstrebe in der Verriegelungsstellung umgreifen.In a particular embodiment, a tread platform is provided. In a particularly advantageous embodiment, the tread platform is articulated to the support device - and not as usual on the handlebar - arranged. It is preferably provided that the Tread platform in the Aufspreizstellung the stepladder on the spar device - for example, a cross member on the spar device - is supported and preferably secured there with platform locking. This special arrangement of the tread platform has the very special advantage that an unintentional collapse of the stepladder is impossible, because the tread platform is pressed under load in the platform lock. The platform lock can be embodied, for example, as latching noses arranged on the tread platform, which engage around a cross strut arranged on the rail device in the locking position.
In einer vorteilhaften Ausführung ist die Stehleiter als Stufenstehleiter ausgebildet. Hierbei kann vorteilhaft vorgesehen sein, dass der Einstellbereich der Stützvorrichtung derart ausgelegt ist, dass die Stufen der erfindungsgemäßen Stufenstehleiter nahezu stets mit waagerecht ausgerichteten Trittstufen (sowohl längs als auch quer) auf Treppen aufgestellt werden kann, unabhängig davon, welche Steigungen, welche Setzstufenhöhe oder welche Stufenauftrittbreite die Treppe aufweist.In an advantageous embodiment, the stepladder is designed as a step ladder. It can be advantageously provided that the adjustment of the support device is designed such that the steps of step ladder according to the invention almost always with horizontal treads (both longitudinal and transverse) can be placed on stairs, regardless of which gradients, which riser height or which Step entrance width has the stairs.
Bei einer besonderen Ausführung ist vorgesehen, ist vorgesehen, dass die Länge des dritten Stützfußes vergrößerbar ist. Beispielsweise können hierzu ausziehbare und/oder ausklappbare Stützfußverlängerungen vorgesehen sein.In a particular embodiment is provided, it is provided that the length of the third support leg is increased. For example, this extendable and / or fold-out Stützfußverlängerungen be provided.
In der Zeichnung ist der Erfindungsgegenstand schematisch dargestellt und wird anhand der Figuren nachfolgend beschrieben, wobei gleich wirkende Elemente mit denselben Bezugszeichen versehen sind. Dabei zeigen:
- Fig. 1
- erfindungsgemäße Stufenstehleiter zusammengeklappt in der Rückansicht,
- Fig. 2
- die erfindungsgemäße Stufenstehleiter während der Aufklappphase von der Seite, und
- Fig. 3
- eine Detailansicht der Verstellvorrichtung der Stützvorrichtung.
-
Fig. 1 zeigt eineerfindungsgemäße Stehleiter 1 zusammengeklappt in der Rückansicht, die als Stufenstehleiter ausgebildet ist. DieStehleiter 1 weist eineHolmvorrichtung 2 auf, an derTrittstufen 3 angeordnet sind. DieHolmvorrichtung 2 weist an ihrem unteren Ende einenersten Stützfuß 4 und einenzweiten Stützfuß 5 auf. An derHolmvorrichtung 2 ist außerdem gelenkig eineStützvorrichtung 6 mit parallel zu den Trittstufen angeordnetendritten Stützfuß 7 angeordnet. Die Länge desdritten Stützfußes 7 entspricht dem Längenabstand zwischenerstem Stützfuß 4 undzweitem Stützfuß 5. Die Länge derStützvorrichtung 6 ist mit Hilfe eines teleskopartigineinanderschiebbares Stützelementes 8 einstellbar. DasStützelementes 8 und derdritte Stützfuß 7 sind t-förmig zueinander angeordnet. Das teleskopartigineinanderschiebbare Stützelement 8 ist darüber hinaus in unterschiedlichen Längeneinstellungen wieder lösbar arretierbar. Hierzu weist dasStützelement 8 einAußenrohr 9 und einInnenrohr 10 auf, wobei an demAußenrohr 9 einfederbelasteter Rastbolzen 11 vorgesehen ist, der in eine von mehrerenBohrungen 15 einesInnenrohres 10 eingreift; dies ist inFig. 3 im Detail dargestellt. DieStehleiter 1 weist eineTrittplattform 12 auf, die beim Aufklappen zwangsgeführt und automatisch in die Waagerechte gedreht wird. -
Fig. 2 zeigt dieerfindungsgemäße Stehleiter 1 während der Aufklappphase von der Seite. DieTrittplattform 12 ist gelenkig an derStützvorrichtung 6 angeordnet. Sie stützt sich in der Aufspreizstellung derStehleiter 1 an der einer zwischen den Holmen der Holmvorrichtungangeordneten Querstrebe 16 ab. Es ist einePlattformverriegelung 13 vorgesehen, die als an derTrittplattform 12angeordnete Rastnasen 14 ausgeführt sind. Die Rastnasen 14 umgreifen die Querstrebe 16 in der Aufspreizstellung. Es ist gut zu erkennen, dass dieTrittplattform 12 auf Grund der Geometrie bei Belastung in die Plattformverriegelung gedrückt wird, was ein ungewolltes Zusammenklappen der Stehleiter wirksam verhindert.
- Fig. 1
- Staged ladder according to the invention folded in the rear view,
- Fig. 2
- the step ladder according to the invention during the unfolding phase from the side, and
- Fig. 3
- a detailed view of the adjustment of the support device.
-
Fig. 1 shows astepladder 1 according to the invention folded up in the rear view, which is designed as a step ladder. Thestepladder 1 has aspar device 2, are arranged on thetreads 3. The Holmvorrichtung 2 has at its lower end afirst support leg 4 and asecond support leg 5. In addition, asupport device 6 with athird support foot 7 arranged parallel to the treads is articulated on thespar device 2. The length of thethird support leg 7 corresponds to the longitudinal distance between thefirst support leg 4 andsecond support leg 5. The length of thesupport device 6 is adjustable by means of a telescopicallynestable support member 8. Thesupport member 8 and thethird support leg 7 are T-shaped to each other. The telescopicallynestable support member 8 is also releasably lockable in different length settings. For this purpose, thesupport member 8 anouter tube 9 and aninner tube 10, wherein on theouter tube 9, a spring-loadedlocking pin 11 is provided which engages in one of a plurality ofholes 15 of aninner tube 10; this is inFig. 3 shown in detail. Thestepladder 1 has atread platform 12, which is forcibly guided on opening and automatically rotated in the horizontal direction. -
Fig. 2 shows thestepladder 1 according to the invention during the unfolding phase from the side. Thetread platform 12 is articulated to thesupport device 6. It is supported in the spread-open position of thestepladder 1 at the arranged between the spars of the spardevice cross member 16 from. It is aplatform lock 13 is provided, which are designed as arranged on thetread platform 12 locking lugs 14. The locking lugs 14 engage around thetransverse strut 16 in the spread-open position. It is good to see that thetread platform 12 is pressed into the platform lock due to the geometry under load, which effectively prevents unintentional folding of the stepladder.
- 11
- Stehleiterstepladder
- 22
- HolmvorrichtungHolm device
- 33
- Trittstufentreads
- 44
- erster Stützfußfirst support foot
- 55
- zweiter Stützfußsecond support foot
- 66
- Stützvorrichtungsupport device
- 77
- dritter Stützfußthird support foot
- 88th
- Stützelementsupport element
- 99
- Außenrohrouter tube
- 1010
- Innenrohrinner tube
- 1111
- RastbolzenIndexing plungers
- 1212
- Trittplattformstepping platform
- 1313
- Plattformverriegelungplatform lock
- 1414
- Rastnasenlocking lugs
- 1515
- Bohrungendrilling
- 1616
- Querstrebecrossmember
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008018032U DE202008018032U1 (en) | 2007-06-28 | 2008-06-16 | stepladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710029949 DE102007029949A1 (en) | 2007-06-28 | 2007-06-28 | stepladder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2009223A2 true EP2009223A2 (en) | 2008-12-31 |
EP2009223A3 EP2009223A3 (en) | 2010-12-29 |
Family
ID=39627768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08010907A Withdrawn EP2009223A3 (en) | 2007-06-28 | 2008-06-16 | Step ladder with support foot |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2009223A3 (en) |
DE (2) | DE102007029949A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111431077A (en) * | 2020-05-08 | 2020-07-17 | 国网江苏省电力有限公司太仓市供电分公司 | Portable operation platform of switch board |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402760A1 (en) | 1994-01-07 | 1994-10-27 | Dietmar Boehl | Three-legged free-standing ladder with a variable-length standing foot |
DE20219086U1 (en) | 2002-12-10 | 2003-03-06 | Beck, Theodor, 72074 Tübingen | Ladder has telescopic or folding supports, which are adjustable to different lengths by securing components |
DE10210867A1 (en) | 2002-09-20 | 2004-04-01 | Sander, Jürgen | Step ladder has variable length standing legs interacting with support part which is shorter than step part to adapt to uneven ground and support faces |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437545A (en) * | 1981-11-30 | 1984-03-20 | Charles Mankouski | Step ladder |
DE9116598U1 (en) * | 1991-12-02 | 1993-05-27 | Böhle, Christian, 3548 Arolsen | Device for supporting a telescopic ladder |
EP1694938A1 (en) * | 2003-10-31 | 2006-08-30 | Wing Enterprises | Adjustable stepladders and related methods |
-
2007
- 2007-06-28 DE DE200710029949 patent/DE102007029949A1/en not_active Withdrawn
-
2008
- 2008-06-16 DE DE202008018032U patent/DE202008018032U1/en not_active Expired - Lifetime
- 2008-06-16 EP EP08010907A patent/EP2009223A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402760A1 (en) | 1994-01-07 | 1994-10-27 | Dietmar Boehl | Three-legged free-standing ladder with a variable-length standing foot |
DE10210867A1 (en) | 2002-09-20 | 2004-04-01 | Sander, Jürgen | Step ladder has variable length standing legs interacting with support part which is shorter than step part to adapt to uneven ground and support faces |
DE20219086U1 (en) | 2002-12-10 | 2003-03-06 | Beck, Theodor, 72074 Tübingen | Ladder has telescopic or folding supports, which are adjustable to different lengths by securing components |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111431077A (en) * | 2020-05-08 | 2020-07-17 | 国网江苏省电力有限公司太仓市供电分公司 | Portable operation platform of switch board |
Also Published As
Publication number | Publication date |
---|---|
DE202008018032U1 (en) | 2011-05-12 |
EP2009223A3 (en) | 2010-12-29 |
DE102007029949A1 (en) | 2009-01-02 |
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