EP3403523A1 - Parasol - Google Patents

Parasol Download PDF

Info

Publication number
EP3403523A1
EP3403523A1 EP18171163.1A EP18171163A EP3403523A1 EP 3403523 A1 EP3403523 A1 EP 3403523A1 EP 18171163 A EP18171163 A EP 18171163A EP 3403523 A1 EP3403523 A1 EP 3403523A1
Authority
EP
European Patent Office
Prior art keywords
toothed belt
mast
sunshade
crank
opening
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.)
Granted
Application number
EP18171163.1A
Other languages
German (de)
English (en)
Other versions
EP3403523B1 (fr
Inventor
Herbert Forthuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doppler Group GmbH
Original Assignee
Doppler Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102017009101.3A external-priority patent/DE102017009101A1/de
Application filed by Doppler Group GmbH filed Critical Doppler Group GmbH
Publication of EP3403523A1 publication Critical patent/EP3403523A1/fr
Application granted granted Critical
Publication of EP3403523B1 publication Critical patent/EP3403523B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0043—Cantilever umbrellas or sunshades with a support arm the support arm being attached to the stick or to runner, the canopy being suspended there above
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0081—Cantilever umbrellas or sunshades with a support arm the support arm being rotatable about a horizontal axis for adjusting the position

Definitions

  • the invention relates to a sunshade according to the preamble of claim 1, in particular a large-area sunshade whose opening and / or closing mechanism compared to the previously known sunshades, especially conventional large-area sunshades, improved, in particular optimized with respect to the power transmission is.
  • the most common parasol opening systems use, for example, a counterweight and / or roller technology with gas spring system, which is usually opened and closed by a crank or a crank mechanism.
  • crank systems are coupled to a cable or several cables, so that the crank rolls up or unwinds a cable, depending on the requirement.
  • Hoists are indeed very durable and compact, but there is always a risk in a cable that he slips at high loads and / or that he gets tangled and / or twisted when rolling up.
  • Object of the present invention is therefore to provide a system by which a large-area sunshade is easy and easy to open and / or close. Especially It is an object of the invention to improve a crank system for opening and / or closing a sunshade so that the load applied to one or more cables of the opening and / or closing mechanism is reduced.
  • the subject of the invention is a sunshade, comprising a mast, a canopy and a crank for opening and closing the sunshade, wherein at least one on the umbrella frame, in particular on the mast, fixed toothed belt and a crank connected to the toothed wheel is provided such that at Opening and closing the canopy, the teeth of the toothed belt and the gear are used by interlocking form-fitting.
  • a toothed belt is a toothed drive belt which combines the properties of a chain and a flat belt.
  • the toothed belt on the inside of the belt teeth, which engage positively in a gear.
  • the material of the teeth is elastomer, rubber and / or plastic in question. Due to the positive locking of the teeth, high forces can be transmitted at a lower preload.
  • the force in the toothed belt is transmitted through the embedded tensile strand, which is stiff compared to the elastomer, which comprises, for example, glass or aramid fiber.
  • a cable for example a connecting cable, which can be made of steel wire or polyamide, for example, a wire and / or a plastic rope, connected together.
  • the toothed belt or the rope connecting its ends is connected to the umbrella frame via a spring.
  • the rope, the belt and / or the toothed belt is placed around a deflection roller and / or pins and / or one or more gears.
  • the gear is connected to the crank such that upon actuation of the crank a boom mounted on the mast articulated arm, at one end of the canopy and at the other end the crank are arranged through the hinge relative to the mast forward or back is movable.
  • a boom mounted on the mast articulated arm at one end of the canopy and at the other end the crank are arranged through the hinge relative to the mast forward or back is movable.
  • extension arm is coupled with the opening and closing of the canopy.
  • this movement may be coupled with a pivotal movement of the extension arm toward the mast and away from the mast.
  • a laterally arranged under the canopy mast is provided on the parasol, which is connected via a hinge with a Auslegearm.
  • the extension arm has a connection to the canopy at one end and a crank at the other end.
  • the extension arm When folded, the extension arm rests on the mast and the canopy on the extension arm. When opening the extension arm is pivoted outwards and pushed simultaneously by the joint at the top of the mast forward. This opens the canopy at the end of the extension arm.
  • the timing belt is on the one hand firmly connected to the upper end of the mast and on the other hand it passes over a gear, wherein the gear - preferably directly - is connected to the crank. If the crank is actuated at the end of the extension arm opposite the canopy, the toothed wheel runs along the toothed belt and pushes the extension arm forward through the joint at the top of the mast and tightens the canopy.
  • An advantage of the technology with toothed belt and toothed wheel lies in the fact that the canopy is successively tensioned and can be retracted in a controlled manner.
  • the toothed belt is attached directly or indirectly to the upper end of the mast, for example via one or more cables (e) and / or via a spring with a holder.
  • the toothed belt lies around the toothed wheel only at a narrow point on the toothed wheel, wherein deflection roller (s) and / or pins, such as deflection pins, otherwise fix the position of the toothed belt.
  • the toothed belt extends correspondingly from the joint on the mast to the crank in the extension arm, wherein the gear at one point determines the position of the toothed belt, which is otherwise held in position via, for example, a deflection roller and / or one or more holding devices such as pins.
  • the toothed belt can be supplemented in any length by a rope and / or by another belt.
  • the advantage here is that the force to the voltage of the fully unfolded canopy by the crank and the gear on the one hand and the timing belt on the other hand is transmitted gradually.
  • At least part of the toothed belt is guided outside the housing of the parasol frame. This creates a particularly attractive timing belt and / or chain optics.
  • FIG. 1 shows a parasol with a mast 1, which is fixable via a corresponding footboard.
  • the foot part opposite end of the mast 1 is a hinge 2, through which an axially displaceable Auslegearm 3, which has a screen suspension 4 at its canopy-side end 3 ', is connected to the upper mast end.
  • an axially displaceable Auslegearm 3 which has a screen suspension 4 at its canopy-side end 3 ', is connected to the upper mast end.
  • FIG. 2 the detail is on FIG. 1 with the crank 11, the timing belt 12 and the joint 2 shown in more detail. Especially in FIG. 2 the housing to the joint 2, the extension arm 3 and the crank 11 only indicated, so that the internal components are schematically visible.
  • the gear 14 which engages positively in the toothed belt 12.
  • the toothed belt partially extends outside the housing of the extension arm 3. Partially, the toothed belt but also extends within the extension arm 3, so that a wire rope 15, which connects in the embodiment shown here at both ends of the toothed belt, can be seen.
  • the toothed belt 12 or the wire rope 15 lead in the joint 2 to the guide roller 13 and at the other end in the crankcase 11 to the gear 14 and possibly even to deflecting pins which are not shown here for clarity around.
  • the wire 15 and / or the guide roller 13 or the timing belt 12 are according to the embodiment shown here via a spring 16 and / or a bracket 17 fixed to the Umbrella frame, so here with the joint 2 of the mast 1, connected.
  • the toothed belt 12 is fixedly attached to the umbrella frame, in particular to the mast 1 or, more precisely, to the joint 2, so that actuation of the crank 11 results in a displacement of the extension arm 3 with respect to the joint 2.

Landscapes

  • Curtains And Furnishings For Windows Or Doors (AREA)
EP18171163.1A 2017-05-14 2018-05-08 Parasol Active EP3403523B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017004561 2017-05-14
DE102017009101.3A DE102017009101A1 (de) 2017-05-14 2017-09-29 Sonnenschirm

Publications (2)

Publication Number Publication Date
EP3403523A1 true EP3403523A1 (fr) 2018-11-21
EP3403523B1 EP3403523B1 (fr) 2022-08-17

Family

ID=62142967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18171163.1A Active EP3403523B1 (fr) 2017-05-14 2018-05-08 Parasol

Country Status (1)

Country Link
EP (1) EP3403523B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543253A (de) * 1972-11-02 1973-10-31 Glatz Ag Schirm, insbesondere Gartenschirm
DE9306925U1 (de) * 1993-05-07 1993-07-22 Dinilux GmbH, 32361 Preußisch Oldendorf Großflächen-Sonnenschirm
US6321763B1 (en) * 2000-05-03 2001-11-27 Joen Shen Ma Umbrella structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543253A (de) * 1972-11-02 1973-10-31 Glatz Ag Schirm, insbesondere Gartenschirm
DE9306925U1 (de) * 1993-05-07 1993-07-22 Dinilux GmbH, 32361 Preußisch Oldendorf Großflächen-Sonnenschirm
US6321763B1 (en) * 2000-05-03 2001-11-27 Joen Shen Ma Umbrella structure

Also Published As

Publication number Publication date
EP3403523B1 (fr) 2022-08-17

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