EP4188149A1 - Höhenverstellbarer mast und/oder auslegearm - Google Patents
Höhenverstellbarer mast und/oder auslegearmInfo
- Publication number
- EP4188149A1 EP4188149A1 EP21749127.3A EP21749127A EP4188149A1 EP 4188149 A1 EP4188149 A1 EP 4188149A1 EP 21749127 A EP21749127 A EP 21749127A EP 4188149 A1 EP4188149 A1 EP 4188149A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mast
- extension arm
- gas pressure
- pressure spring
- piston rod
- 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- Withdrawn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
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B23/00—Other umbrellas
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/16—Automatic openers, e.g. frames with spring mechanisms
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
- A45B2009/005—Shafts
- A45B2009/007—Shafts of adjustable length, e.g. telescopic shafts
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B23/00—Other umbrellas
- A45B2023/0012—Ground supported umbrellas or sunshades on a single post, e.g. resting in or on a surface there below
Definitions
- the invention relates to a height-adjustable mast and/or extension arm—for example the extension arm of a standing umbrella, in particular a so-called traffic light or pendulum standing umbrella.
- a height-adjustable mast and/or extension arm for example the extension arm of a standing umbrella, in particular a so-called traffic light or pendulum standing umbrella.
- the mast is arranged on the side, not in the middle.
- Both the mast for center mast and side mast umbrellas and the extension arm for cantilever or pendulum umbrellas are preferably designed for large umbrellas in such a way that they only reach their final length when they are unfolded.
- the length of the mast or the extension arm is therefore usually adjustable for large parasols.
- the length of the mast is lengthened telescopically, for example when the canopy of a central mast umbrella is opened, by a length that is required by the canopy struts to open the canopy.
- the mast is divided into two, so that one half serves as a shaft and the second half of the mast with the canopy can be moved within the shaft to adjust the height.
- the object of the present invention is therefore to provide a structure for adjusting the height and/or length of a mast and/or extension arm, especially for standing umbrellas, which can be adjusted when the canopy is closed and/or independently of the position of the umbrella struts.
- the solution to the problem and the object of the present invention is therefore a mast and/or extension arm of a parasol, comprising at least a first and a second section, the sections together at least part of the mast and/or the extension arm and between the two sections, connecting them along their longitudinal axis, at least one gas pressure spring is provided, via which the at least two sections of the mast and/or the extension arm can be moved relative to one another and along their longitudinal axis.
- the at least two sections can be pushed into one another in a telescopic manner.
- three, four or more sections are provided to form a mast.
- the mast e.g.
- Gas springs are usually used to balance the weight of two elements and are known from toolmaking.
- a gas pressure spring comprises a piston rod which is movably arranged within a gas-filled pressure tube, in particular a cylinder.
- a gas pressure spring is a pneumatically operated spring, the piston rod being moved in the cylinder by the pressure of the gas and at least one sealing ring being provided which is located on the piston rod and has a gas passage opening.
- the diameter of the gas passage opening on the one hand and the gas pressure in the cylinder on the other hand largely determine the spring force of a gas pressure spring.
- the cylinder is connected to one section by means of a spring bracket and fixed to the other section via the piston rod. It is particularly advantageous if a spring suspension for the piston rod is integrated in the head-side section and a device for receiving the cylinder of the gas pressure spring is integrated in the bottom-side section.
- the at least two sections are tubular. It is particularly advantageous if they have diameters that differ only so slightly from one another that one section can be inserted into the other.
- Coupling pieces can be used, plug-lock connections can be provided, etc.
- plug-lock connections can be provided, etc.
- the mast completely or partially surrounds the housing of the gas pressure spring in the retracted state.
- part of the housing of the gas pressure spring makes up part of the mast.
- the gas pressure spring makes it easier for the user to change the height of a mast and/or the length of an extension arm. At least part of the weight is compensated by the gas pressure spring.
- the spring suspension at the upper end of the mast which carries the weight to be compensated, for example the canopy, is preferably provided on the piston rod side.
- the spring suspension can be a cable, screw, hook, loop and/or ball joint to prevent twisting of the gas spring, etc., as well as any other known spring suspensions and / or combinations of spring suspensions can be realized.
- the gas pressure spring is preferably arranged at the end of the mast pointing towards the mast foot.
- the cylinder-carrying housing of the gas pressure spring can also be mounted and/or fastened to the section of the mast to be adjusted and/or the extension arm, for example via a recess, screws, hooks, ball joint, etc.
- the two ends of the gas pressure spring fastened to the mast and/or to the extension arm, which is adjustable in height or length, can be connected to the respective section in the same way or in a different way.
- the height or length of the mast and/or extension arm is changed by moving the piston rod in the cylinder of the gas pressure spring.
- means are provided in and/or on the mast and/or on the extension arm, which directly—that is, directly or indirectly—that is, indirectly—cause the longitudinal displacement of the piston rod within the cylinder of the gas pressure spring.
- the end of the piston rod can be moved, for example, via a slide that can be moved up and down, for example, along the outside of the mast, but within a corresponding slot in the mast.
- the upper end of the piston rod can be linked directly or indirectly to a cable winch.
- the winch in turn can be powered by a motor, such as a Electric motor, a slide and / or a crank are operated.
- the electric motor in turn can, for example—at least also—be operated by remote control, so that the user can use the remote control to adjust the height of the mast and/or extend the extension arm.
- the means for moving the piston rod of the gas pressure spring are preferably designed in such a way that the piston rod can be fixed not only in the respective end positions, i.e. fully retracted or fully extended out of the cylinder, but also in any position relative to the cylinder. In this way, the piston rod can be held in a predetermined position.
- a stepless height adjustment of the mast and/or extension arm is also possible by fixing, for example, a slider and/or a cable of a cable winch.
- the mast and/or the extension arm is lengthened or shortened by the movement of the piston rod out of the cylinder or into the cylinder.
- the length adjustment of the mast and/or the extension arm corresponds directly to the length adjustment of the piston rod within the cylinder of the gas pressure spring.
- the length adjustment of the mast and/or the extension arm is translated by the gas pressure spring, so that the mast can be adjusted by moving the piston rod by a specific length and/or extension arm by a multiple or part of this length.
- a screw connection is provided on the canopy side as a connection for the gas pressure spring.
- a screw is provided on the head side of the piston rod, which is screwed into a thread in a form-fitting manner.
- a non-round shape of the piston rod is provided, which is better secured against rotation within the cylinder, ie the pressure tube, than a round, radially symmetrical shape of the piston rod.
- the piston rod is designed such that it cannot rotate with respect to the pressure pipe, because it has a shape that differs from the cross section of the pressure pipe.
- the piston rod has an ellipsoidal cross section, or an angular cross section, or a square cross section.
- the piston rod of the gas pressure spring exhibits a resistance to turning the piston rod into a thread when the head end of the piston rod for the spring suspension of the gas pressure spring is fastened.
- the resistance is generated by the fact that the piston rod cannot rotate freely within the pressure pipe, i.e. generally the cylinder, because the diameter of the piston rod in terms of shape, i.e. viewed in cross section, does not correspond to that of the pressure pipe, but is selected in such a way that it gets caught inside the pressure tube when turning.
- the limitation of the movement of the piston rod refers exclusively to the rotational movement, of course not to the mobility along the longitudinal axis of the gas pressure spring.
- the longitudinal movement of the piston rod within the pressure tube is essential for the function of the gas spring and must therefore under no circumstances be impaired by the change in the cross section of the piston rod.
- Figure 1 shows the two parts 1 and 2 before assembly
- FIG. 2 shows the two sections from FIG. 1, but plugged together
- FIG. 3 shows the installation of the two sections in the mast via a third section of the mast.
- Figure 1 shows on the one hand the part 1 and on the other hand the part 2.
- the gas pressure spring is located in the part 1 with a connection 7 at the bottom in the part 1 and anchored therein a cylinder 3. From the cylinder 3, the pressure tube of the gas pressure spring, the piston rod 4 protrudes in full length, whereby its head-side end 5 is without connection.
- Part 2 shows a device 6 for recording of the head-side end 5 of the piston rod 4, for example a thread 6.
- the thread 6 is connected to a cable winch 8 via a cable.
- the cable winch 8 is operated via the crank 9.
- Figure 2 shows the same parts 1 and 2 but built together. Section 2 is pushed over part of section 1 with the lower end. The head end 5 of the piston rod 4 is screwed to the thread 6 in the section 2 .
- FIG. 3 shows a larger section of the mast 13 than the two previous figures; three sections 1, 2 and 11 of the mast 13 are shown here.
- the section 1 which is inserted upwards into the section 2 , is connected to the section 11 via the connection 10 .
- the connection 10 is pushed into a complementary element 12 .
- the two parts 11 and 1 from FIG. 3 thus have the same diameter and cannot be pushed into one another.
- the gas pressure spring can form a part of the mast and/or the extension arm via its housing, via the cylinder, the piston rod and/or in some other way, ie it can also influence the mast visually.
- the present invention provides for the first time a structure for adjusting the height of a mast, for example a parasol, in which the weight of the mast plus the weight of the canopy is opposed by a gas pressure spring.
- the present invention is the first to provide a construction for adjusting the length or height of a mast, for example a parasol, in which the weight of the mast plus the weight of the canopy is countered by a gas pressure spring.
- the housing of the gas spring can also enhance the look of the mast and/or extension arm.
Landscapes
- Fluid-Damping Devices (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020119745.4A DE102020119745A1 (de) | 2020-07-27 | 2020-07-27 | Höhenverstellbarer Mast und/oder Auslegearm |
PCT/EP2021/070249 WO2022023121A1 (de) | 2020-07-27 | 2021-07-20 | Höhenverstellbarer mast und/oder auslegearm |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4188149A1 true EP4188149A1 (de) | 2023-06-07 |
Family
ID=77168228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21749127.3A Withdrawn EP4188149A1 (de) | 2020-07-27 | 2021-07-20 | Höhenverstellbarer mast und/oder auslegearm |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4188149A1 (de) |
CN (1) | CN216089261U (de) |
DE (2) | DE102020119745A1 (de) |
WO (1) | WO2022023121A1 (de) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319600A (en) * | 1980-08-21 | 1982-03-16 | Hugo Roche | Umbrella |
DE8230261U1 (de) | 1982-10-28 | 1983-02-10 | Stabilus Gmbh, 5400 Koblenz | Hoeheneinstellbarer schirm |
GB8511370D0 (en) * | 1985-05-03 | 1985-06-12 | Robertson M S | Garden/sun umbrellas |
DE4443909A1 (de) | 1994-12-09 | 1995-08-17 | Gerhard Schulz | Schirmhalter |
DE29800983U1 (de) | 1998-01-22 | 1998-05-14 | Caravita GmbH, 85051 Ingolstadt | Schirmgestell für einen Großschirm |
DE60008287T2 (de) * | 1999-11-17 | 2004-12-02 | Powerbrella Cc, Constantia | Vorrichtung für einen regenschirm |
US9237785B2 (en) * | 2013-02-19 | 2016-01-19 | Oliver Joen-An Ma | Cantilever umbrella |
WO2015188033A1 (en) * | 2014-06-05 | 2015-12-10 | Sol Umbra, Llc | Cantilevered umbrella |
US20160113364A1 (en) | 2014-10-27 | 2016-04-28 | Roy Farmer | Cantilevered umbrella with rotation system |
DE212019000149U1 (de) | 2018-12-31 | 2020-07-24 | Zhejiang Weige Arts & Crafts Co., Ltd. | Sonnenschirm, der das Zusammenziehen der Schirmfläche erleichtert |
-
2020
- 2020-07-27 DE DE102020119745.4A patent/DE102020119745A1/de not_active Ceased
-
2021
- 2021-07-20 EP EP21749127.3A patent/EP4188149A1/de not_active Withdrawn
- 2021-07-20 DE DE202021103860.8U patent/DE202021103860U1/de active Active
- 2021-07-20 WO PCT/EP2021/070249 patent/WO2022023121A1/de active Application Filing
- 2021-07-26 CN CN202121703478.2U patent/CN216089261U/zh active Active
Also Published As
Publication number | Publication date |
---|---|
DE202021103860U1 (de) | 2021-09-09 |
DE102020119745A1 (de) | 2022-01-27 |
CN216089261U (zh) | 2022-03-22 |
WO2022023121A1 (de) | 2022-02-03 |
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AK | Designated contracting states |
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