CN211882577U - Cantilever umbrella - Google Patents

Cantilever umbrella Download PDF

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Publication number
CN211882577U
CN211882577U CN201890000583.XU CN201890000583U CN211882577U CN 211882577 U CN211882577 U CN 211882577U CN 201890000583 U CN201890000583 U CN 201890000583U CN 211882577 U CN211882577 U CN 211882577U
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CN
China
Prior art keywords
canopy
cantilever
pulling
rod
sliding
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CN201890000583.XU
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Chinese (zh)
Inventor
安德斯·伦德奎斯特
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Inter Ikea Systems BV
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Ikea Supply AG
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    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B19/00Special folding or telescoping of umbrellas
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00Other umbrellas
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00Other umbrellas
    • A45B2023/0031Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0043Cantilever umbrellas or sunshades with a support arm the support arm being attached to the stick or to runner, the canopy being suspended there above

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  • Tents Or Canopies (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

The cantilever umbrella comprises: a rod; a sliding member, such as a handle, which is slidable along the rod; a cantilever arrangement supported by the rod; and a canopy mechanism supported by the cantilever arrangement and actuatable by pulling a cable extending over a path to the canopy mechanism at least between the slide member and the canopy mechanism. The cable extends over a portion of its path a distance along the rod from a first point on or adjacent the rod to a point movable with the slide member such that sliding the slide member along the rod in a predetermined direction increases the distance, thereby lengthening the path of the cable resulting in a pulling action of the cable on the canopy mechanism. This results in a cantilever umbrella that is easy to use and simple to manufacture.

Description

Cantilever umbrella
Technical Field
The utility model relates to a cantilever umbrella for providing sunshade protection.
Background
EP2103230 discloses a typical cantilever umbrella. The rod supports a cantilever arrangement extending laterally from the rod. The cantilever arrangement in turn supports a canopy in a shade that provides shade. The umbrella may be changed from a folded configuration, for example for storage, in which the cantilever means is adjacent the pole and the canopy is folded, to a use configuration in which the cantilever means has extended laterally from the pole and the canopy has been deployed. This is performed using a crank mechanism with a lever, during operation of which a gear wheel engages with a rack along a rod to deploy the cantilever arrangement, and a cable connected to the canopy mechanism is wound onto a spool for deploying the canopy.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved in the utility model is to provide a cantilever umbrella that changes in the use and make simpler.
To this end, a cantilever umbrella is provided comprising a pole, a sliding member, a cantilever arrangement, a canopy mechanism. The sliding member is slidable along the rod. The cantilever arrangement is supported by the pole and includes a cantilever and a brace. The cantilever pivots at the slide member. The brace pivots at the rod at a first end and pivots at the cantilever at a second end. The canopy mechanism is supported by and freely suspended from the cantilever arrangement and can be actuated by pulling a cord extending over a path to the canopy mechanism at least between the slide member and the canopy mechanism.
Wherein the cantilever arrangement is extendable by sliding the sliding member such that sliding of the sliding member simultaneously causes the cantilever arrangement to extend laterally further away from the rod and actuation of the canopy mechanism, the cable extending along the rod over a portion of the path for a distance between a first point on or adjacent the rod and a second point movable with the sliding member such that sliding the sliding member along the rod in a predetermined direction increases the distance, thereby lengthening the path resulting in a pulling action of the cable on the canopy mechanism.
In particular, the cantilever umbrella comprises a rod along which a sliding member, such as a handle, can slide. The rods support a cantilever arrangement which in turn supports a canopy mechanism for folding or unfolding the canopy. The canopy mechanism is actuatable, i.e. can be manipulated, by pulling on the cord. The cord extends over a path that is the route taken by the cord to reach the canopy mechanism. The total path may conceptually be divided into sub-paths, which thus form part of the path. Such a first sub-path extends between the slide member and the canopy mechanism and may extend along the canopy and/or canopy device. Furthermore, the cord extends along the rod on a second sub-path of said path for a distance between a first point on or adjacent to the rod and a second point movable together with the sliding member. With this arrangement, when the slide member is slid along the rod in the predetermined direction, the distance between the first point and the second point increases, lengthening the second sub-path of the rope along the rod, thereby also increasing the length of the total path of the rope to which the second sub-path belongs. This results in a pulling action on the canopy mechanism.
The point on or adjacent to the bar may for example be the point at which the rope is fixed to the bar, but may also be the point at which the rope passes around the pulley on its way to the fixed point. The point and/or said second sub-path of the rope may for example be inside the bar, but may also be along the outside of the bar or along a track adjacent to the bar.
This arrangement allows considerable simplification of the mechanism for operating the canopy mechanism, since no crank mechanism is required. This may be achieved, for example, by fixing the cable at a point on or adjacent to the rod and extending the cable along the rod to the slide member on a second sub-path, for example by one or more pulleys, and from the slide member away from the rod and towards the canopy mechanism on the first sub-path. As described above, when the slide member is pushed in a direction away from the fixed point and thus towards the canopy mechanism as seen along the cable, the length of the overall path of the cable increases.
Alternatively, the cable may be fixed to the slide member, extend along the rod on the second sub-path to the pulley, and possibly extend through one or more additional pulleys onto the canopy mechanism. In this case, the second sub-path of the cord lengthens when the slide member is pushed in a direction away from the canopy mechanism as seen along the cord.
Preferably, the first sub-path from the rod and/or the sliding member to the canopy mechanism has a constant length. This has the following effect: a given elongation of the path of the cord as described above translates into an equivalent pull on the canopy mechanism.
The cantilever arrangement may be extended by sliding the slide member such that sliding of the slide member simultaneously results in extension of the cantilever arrangement and actuation of the canopy mechanism. The term "extendable" is herein understood to have a mechanism that allows the cantilever means to be extended laterally further away from the bar upon actuation of the mechanism. This allows for simple handling of the cantilever umbrella.
The cantilever apparatus may include: a cantilever arm pivoted at the slide member; and a strut pivoted at the lever at a first end and pivoted at the cantilever at a second end. In that case, upward movement of the slide member causes the first end of the boom to move upwardly, which in turn causes the second end of the boom to move downwardly as a result of pivoting toward the boom, thereby causing the boom arrangement to extend as a result of the boom and canopy supported by the boom extending further laterally from the pole. With this configuration, the slide member and the cord will be arranged such that the predetermined direction in which sliding of the slide member results in a pulling action on the canopy mechanism will be upward.
The canopy mechanism may be freely suspended from the boom arrangement, i.e. connected to the boom arrangement at a single point. Thus, the components of the canopy mechanism, such as the ribs and struts, are structurally separate from the cantilever arrangement. This allows for easy assembly.
The cantilever umbrella may further comprise a first pulling member, such as a first pedal, for pulling a cord for actuating the canopy mechanism, wherein the cord is attached to the first pulling member. This is useful to allow final tightening of the cord after sliding the sliding member along the rod as described above.
The cantilevered umbrella may further comprise an auxiliary member biased to exert a force on the sliding member for assisting sliding of the sliding member. The auxiliary member may for example take the form of a weight or a spring, such as a compression spring or an extension spring. Preferably, the spring is a constant force spring. This has the effect of reducing the force required to be applied by the user to the slide member when operating the canopy mechanism, working against the weight on the canopy to deploy the canopy. This makes the umbrella easier to handle.
When a counterweight is used, the second rope may preferably extend between the counterweight and the sliding member through a first pulley, wherein the first pulley is preferably located at the top end of the rod. The weight may be located in the cavity of the rod, which saves space.
The cantilevered umbrella may further comprise a second pulling member, preferably a second pedal, coupled to the sliding member such that driving the second pulling member in a direction opposite to the sliding of the sliding member for deploying the canopy and/or extending the cantilever arrangement causes the sliding of the sliding member, preferably at an initial stage of the sliding member. The cantilever arrangement may have a geometry wherein the force required to extend the cantilever arrangement has a maximum at the start of the sliding movement of the sliding member. In the above-mentioned exemplary configuration with the cantilever and the stay, this is due to the small effective lever arm between the sliding member and the pivot point between the cantilever and the stay. In this case, it may be helpful to use a pulling member, such as a pedal, which makes the cantilever umbrella easier to operate. This may be achieved by a third rope attached at the second pulling member and at the sliding member, the third rope preferably extending between the second pulling member and the sliding member through a second pulley, the second pulley preferably being located at the top end of the rod.
Preferably, the function of the second pulling member may be combined with the function of the first pulling member, such that the second pulling member is identical to the first pulling member, i.e. identical to the first pulling member. This saves space and simplifies the cantilever umbrella, making it easier to manufacture.
Further, the first and second pulleys may be arranged such that they have a common axis. This also saves space.
The canopy mechanism may include: a plurality of canopy ribs; a plurality of canopy struts; and a movable member, wherein each canopy stay of the plurality of canopy stays is connected to and pivots at a respective canopy rib of the plurality of canopy ribs, and wherein a cord is attached to the movable member such that pulling of the cord actuates the plurality of canopy ribs through the plurality of canopy stays, wherein the movable member comprises one or more stops that prevent at least one canopy stay of the plurality of canopy stays from becoming parallel to a pulling direction of the cord at an attachment point to the movable member.
Without a stop, the canopy stay would typically be parallel or nearly parallel to the pulling direction of the cords when the canopy mechanism is fully collapsed, and the canopy ribs would in turn be parallel or nearly parallel to the canopy stay. This makes deployment of the canopy difficult because the effective lever arm for deploying the canopy by actuating the canopy ribs through the canopy struts is small. In the presence of the stop, the canopy mechanism is prevented from assuming this problematic position when fully collapsed, making the canopy mechanism easier to deploy.
The movable member may include a plurality of recesses at an outer periphery of the movable member, each of the plurality of recesses having a limiting surface, wherein each of the plurality of canopy stays pivots at the limiting surface of a respective one of the plurality of recesses. One or more limiting surfaces in the plurality of recesses may have protrusions forming one or more stops.
In certain embodiments, the one or more stops are configured to stop all of the plurality of struts except for two or more canopy struts that pivot at opposite sides of the movable member. This allows for efficient packaging and shipping of the canopy mechanism. Alternatively, the one or more stops are configured to stop all of the plurality of canopy poles.
According to a second aspect, there is provided a cantilever umbrella comprising: a rod; a pulling mechanism arranged at the lever for pulling the cord; a cantilever arrangement supported by the rod; and a canopy mechanism supported by the cantilever arrangement and actuatable by pulling a cable extending over a path to the canopy mechanism at least between the pulling mechanism and the canopy mechanism, wherein the canopy mechanism comprises: a plurality of canopy ribs; a plurality of canopy struts; and a movable member, wherein each canopy stay of the plurality of canopy stays is connected to and pivots at a respective canopy rib of the plurality of canopy ribs, and wherein a cord is attached to the movable member such that pulling of the cord actuates the plurality of canopy ribs through the plurality of canopy stays, wherein the movable member comprises one or more stops that prevent at least one canopy stay of the plurality of canopy stays from becoming parallel to a pulling direction of the cord at an attachment point to the movable member.
Without a stop, the canopy stay would typically be parallel or nearly parallel to the pulling direction of the cords when the canopy mechanism is fully collapsed, and the canopy ribs would in turn be parallel or nearly parallel to the canopy stay. This makes deployment of the canopy difficult because the effective lever arm for deploying the canopy by actuating the canopy ribs through the canopy struts is small. In the presence of the stop, the canopy mechanism is prevented from assuming this problematic position when fully collapsed, making the canopy mechanism easier to deploy.
The movable member may include a plurality of recesses at an outer periphery of the movable member, each of the plurality of recesses having a limiting surface, wherein each of the plurality of canopy stays pivots at the limiting surface of a respective one of the plurality of recesses. One or more limiting surfaces in the plurality of recesses may have protrusions forming one or more stops.
In certain embodiments, the one or more stops are configured to stop all of the plurality of struts except for two or more canopy struts that pivot at opposite sides of the movable member. This allows for efficient packaging and shipping of the canopy mechanism. Alternatively, the one or more stops are configured to stop all of the canopy struts of the plurality of canopy struts.
Drawings
The above objects, features and advantages of the present inventive concept, as well as additional objects, features and advantages thereof, will be better understood from the following illustrative and non-limiting detailed description of preferred embodiments with reference to the accompanying drawings, in which like reference numerals will be used for like elements, and in which:
fig. 1 is a perspective view of a cantilever umbrella according to a first embodiment, viewed from obliquely above.
Fig. 2a is a perspective view from the side of a cantilever umbrella according to the first embodiment in a folded configuration.
Fig. 2b is a perspective view of the cantilever umbrella according to the first embodiment from the side during extension of the cantilever means and actuation of the canopy mechanism.
Fig. 2c is a perspective view from the side of the cantilever umbrella according to the first embodiment during the extension of the cantilever means and the later stages of actuation of the canopy mechanism.
Fig. 2d is a perspective view from the side of the cantilever umbrella according to the first embodiment, with the cantilever arrangement fully extended and the canopy fully deployed.
Fig. 3a is a perspective view from the side of a cantilever umbrella according to a second embodiment in a folded position.
Fig. 3b is a perspective view of the cantilever umbrella according to the second embodiment from the side during extension of the cantilever arrangement and actuation of the canopy mechanism.
Fig. 4a is a cross-sectional view of a cantilever umbrella according to the first or second embodiment, showing the arrangement of the rope and counterweight, and a perspective view of the pulley arrangement.
Fig. 4b is a cross-sectional view of a cantilever umbrella according to a third embodiment, showing an alternative arrangement of the rope and counterweight.
Fig. 5 is a perspective view of a cantilevered umbrella with a particularly advantageous arrangement for the canopy mechanism.
Detailed Description
Fig. 1 is a perspective view of a cantilever umbrella 2 according to a first embodiment, viewed from obliquely above. The cantilever umbrella 2 comprises a pole 4, a cantilever arrangement 8 and a canopy mechanism 10.
The rod 4 has the basic shape of a hollow cylinder. When the cantilever umbrella 2 is in use, typically the pole 4 will be supported by a stand, frame, base plate or the like (not shown) connected to the ground.
The rod 4 has a sliding member in the form of a handle 6, which handle 6 is slidable along the rod 4, as indicated by arrow a.
In the depicted embodiment, the handle 6 has a cylindrical shape around the outside of the rod 4. In other embodiments, the sliding member 6 may be positioned, for example, to the side of the rod 4 so as to possibly slide along a track or may be positioned partially inside the rod 4.
A cord 26 (not visible, see fig. 2a, 2b and 4a) is attached to the footboard 22, extends along the column 4 to the sliding member 6, along the cantilever 14 to the canopy 10. This will be described in more detail below.
The pedal 22 may be used as a pulling member on a cord, as will be further described below in connection with fig. 2 c. The pedal 22 can slide along the rod 4, as indicated by arrow B. There is a pedal stop 24 in the form of a convex ring around the rod 4. The pedal stop 24 prevents the pedal 22 from sliding upward beyond the pedal stop 24. The tension of the cord 26 from the weight of the canopy mechanism 8 will pull the pedals up against the pedal stops 24.
The boom means 8 is supported by the rod 4 and comprises a boomAn arm 14 and a brace comprising two rigid rods 12. Pivot point P of the boom 14 at the slide member 61Is pivoted at the first end. Pivot point P of the rod 12 of the stay at the top end of the rod 42At and about the midpoint P of the cantilever 143Is pivoted. Thus, sliding the sliding member 6 up the rod 4 results in the pivot point P1Moves upwards and thus also the first end 7 of the cantilever 14, causing the second end 9 of the cantilever 14 to move downwards. This therefore results in the extension of the cantilever mechanism.
The canopy mechanism 10 is supported by the boom 14 at a pivot point P adjacent the second end 9 of the boom 144To (3). The canopy mechanism 10 includes eight obliquely downwardly directed ribs 16, the ribs 16 being symmetrically arranged about a circle centered at a point at the top end of a shaft 20, the shaft 20 being positioned at a pivot point P4Below and adjacent to the pivot point P4. The ribs 16 pivot at a point located on the circle. In normal use, the ribs 16 will be covered by canvas (not shown) in the shade which provides the sun shade. Eight extensions 18 pivot at the lower end of the shaft 20 and extend obliquely upward to respective pivot points located along the respective ribs 16, such as along the midpoint of the respective ribs 16. A pivot point at the lower end of the shaft is connected to the cable 26 (see fig. 2a, 2b and 4a) so that pulling the cable creates an upward force on the stretcher 18 which in turn raises the ribs 16, thereby deploying the canopy. In fig. 1, the canopy is shown in a fully deployed position. The canopy mechanism 10 can be actuated, i.e., manipulated, by pulling a cord (not shown), as will be described in more detail below.
Fig. 2a is a perspective view from the side showing the cantilever umbrella 2 according to the first embodiment as above in a folded configuration suitable for e.g. storage. The slide member 6 is located at a lower position A along the rod 41To (3). With respect to the cantilever arrangement 8, the stay 12 and the cantilever 14 are located at a position close to the vertical. The user operating the cantilever umbrella 2 can now start to move the sliding member 6 from the lower position a1Sliding upwardly, as indicated by the arrow, causing the boom apparatus 10 to expand as described above, as indicated by the dashed linesAs indicated by the arrows. At the same time, the upward sliding of the sliding member causes a pulling action on the cord 26, resulting in the deployment, i.e. raising, of the canopy. The lower end of the awning mechanism is located at a lower position C1In (1). The lower end and pivot point P4The vertical distance between them is denoted by D1. The pedal 22 is located at an upper position B adjacent to the pedal stop 241And is held in this position by the tension of the cord 26.
Fig. 2b is a perspective view of the cantilever umbrella 2 according to the first embodiment identical to the above, from the side during extension of the cantilever means 8 and actuation of the canopy mechanism 10. The slide member being in an intermediate position A2To (3). As the user continues to slide the slide member 6 along the rod 4 as indicated by the arrow, the cantilever arrangement 8 continues to extend as shown by the first dashed arrow and, at the same time, the canopy mechanism 10 continues to be actuated by the pulling action on the cord 26 caused by the sliding of the slide member 6 as indicated by the second dashed arrow. The lower end of the awning mechanism being located in an intermediate position C2To (3). The pedal 22 remains in the upper position B1To (3).
Fig. 2c is a perspective view from the side of the cantilever umbrella according to the same first embodiment during the extension of the cantilever means 8 and the later stages of actuation of the canopy mechanism 10. The slide member 6 has now reached the upper position a3. Optionally, a locking device (not shown) may be used to lock the sliding member 6 in place at this position. The lower end of the canopy being in position C3To (3). In this position, the lower end of the canopy is in contact with pivot point P4The vertical distance between them is denoted by D2. Thus, with position C1In contrast, the lower end of the canopy is relative to the pivot point P4Has moved a distance D1-D2(for D)1See fig. 2 a). This distance D is due to the fact that the path of the rope 26 along the boom 14 is constant, i.e. independent of the configuration of the boom 14 when the boom arrangement 8 is extended1-D2Equal to the distance D travelled by the sliding member 63
To achieve the final tensioning of the cord 26, the pedal 22 may be actuated as indicated by the arrow in fig. 2 c. This results in further pulling of the canopy mechanism by the cord 26, actuating the canopy mechanism as shown by the dashed arrow in fig. 2 c.
Finally, fig. 2d shows a perspective view from the side of the cantilever umbrella according to the same first embodiment, with the cantilever arrangement 8 fully extended and the canopy 10 fully deployed. The pedal 22 has moved downwardly a distance D4To the lower position B2. For the same geometrical reasons as before, this distance is equal to the position C of the lower end of the canopy3(see FIG. 2C) and position C4A distance D of travel therebetween5
Fig. 3a is a perspective view from the side of a cantilever umbrella 2 according to a second embodiment, the cantilever umbrella 2 being shown in a folded position. This embodiment is configured such that deployment of the canopy 10 and extension of the cantilever arrangement 8 is preferably initiated by actuating the pedals 22. This second embodiment is identical to the first embodiment except that the pedal 22 is coupled to the slide member 6 such that upon actuation of the pedal, the pedal is moved from position B as shown by the arrow1Moving downwards, the sliding member 6 moves from the initial position a of the sliding member 6 as shown by the dashed arrow1Moving upwards. The boom arrangement 8 and canopy mechanism 10 are then driven to move as indicated by the dashed arrows according to the same principles as described above with respect to the first embodiment. The coupling between the pedal 22 and the slide member 6 will be described in further detail below in connection with fig. 4 a. In the depicted folded configuration of the boom arrangement, the pivot point P between the slide member 6 and the boom and stay3The effective lever arm in between is small, requiring a relatively large force for starting the extension of the cantilever arrangement 8 by sliding the sliding member 6. The coupling between the pedal 22 and the sliding member 6 provides this force by driving the pedal 22, thereby making the umbrella 2 easier to operate.
Fig. 3b is a perspective view from the side of a cantilever umbrella according to the second embodiment identical to that of fig. 3a, showing the extension of the cantilever means and the later stage of actuation of the canopy mechanism. The pedal 22 has been brought down to the lower position B1In this position the pedal 22 may beTo be locked by a locking means such as a pin (not shown). Further operation of the boom and canopy devices into the fully extended and deployed positions (see fig. 2 a-2 d) is performed by the user actuating the slide member 6 in the same manner as already described in relation to the first embodiment.
Fig. 4a is a cross-sectional view of a cantilever umbrella according to the first or second embodiment, showing the arrangement of the rope and counterweight, and a perspective view of the pulley arrangement.
According to the first or second embodiment, first rope 26 is at point P1Is attached to the pedal 22 and follows a path P leading to the canopy mechanism 101-P230-32-34 extend inside the rod 4 along the rod 4 for a distance d12To a point P on the pulley 28 of the sliding member 62At point P2Where the first rope 26 is guided onto the boom 14 by a pulley 28 and another pulley 30. The cable 26 is guided onto the canopy mechanism 10 after extending along the boom 14 by two additional pulleys 32, 34. Pulling the slide member 6 upwards, i.e. in a direction towards the canopy mechanism 10 as seen along the cord 26, increases the distance d12Thereby prolonging point P1The total path P of the cable between the canopy mechanism1-P230-32-34, resulting in a pulling action on the cable 26 at the canopy mechanism 10.
Likewise, according to the first or second embodiment, an optional second rope 36 is attached to the sliding member 6, extends inside the rod 4 along the rod 4 to a first pulley 38 located near the top of the rod 4, where the second rope 36 reverses direction and extends down to a counterweight 40, i.e. the second rope 36 passes around the first pulley 38 and extends to the counterweight 40. Therefore, pulling up of the slide member 6 is assisted by the gravitational pull on the weight 40, and the weight 40 is thus biased to function as an auxiliary member for assisting the sliding of the slide member 6. This may fully or partially compensate for the weight of the canopy as it is deployed. A weight 40 is located inside the rod 4 in the cavity of the rod 4. Alternatively, the weight may be replaced by a spring, such as a compression spring or an extension spring, positioned for example adjacent to the sliding member 6.
Optionally, according to the second embodiment, third rope 42 is attached to sliding member 6, extends inside rod 4 along rod 4 up to second pulley 39, second pulley 39 preferably having a common axis with first pulley 38, which saves space. The cord 42 reverses direction at the second pulley 39 and then runs inside the rod 4 down the rod 4 up to the pedal 22, the cord 42 being attached to the pedal 22. This couples the pedal 22 to the slide member, so that driving the pedal 22 serving as a pulling member downward causes the slide member 6 to slide upward. In the depicted embodiment, the pedal 22 is identical to the pedal previously described above. However, the two pedals may be separate.
Fig. 4b is a cross-sectional view of a cantilever umbrella according to a third embodiment, showing an alternative arrangement of first cord 44 and optional clump weight 40. Here, the cord is attached to the slide member 6 at point P4 and on a path P leading to the canopy mechanism 104-P348-50-32-34 extend inside the rod 4 along the rod 4 for a distance d34Up to point P on pulley 46, located in the vicinity of the lower end of rod 43At point P of the rope3Reverses direction so as to extend along the rod 4 through the slide member 6 without engaging the slide member 6, internally of the rod 4, until either the pulley 48, the pulley 48 directs the cable onto the canopy mechanism 10 towards the canopy mechanism 10, or along the strut 12, via the pulley 50, along the outer portion of the boom 14 to both pulleys 32, 34, the pulleys 32, 34 directing the cable 44 onto the canopy mechanism in the same manner as the previous embodiment. Pulling the slide member 6 upwards, i.e. in a direction away from the canopy mechanism 10 as seen along the cord, increases the distance d12Thereby prolonging the point P4The total path P of the cable between the canopy mechanism4-P348-50-32-34, resulting in a pulling action on the rope.
Optional counterweight 40 is attached along line 44 at a point on the line between lower sheave 46 and upper sheave 48. As in the previous embodiment, the weight 40 may optionally be replaced by a spring, for example a spring positioned adjacent to the sliding member 6.
Essentially, the process described herein for extending the cantilever arrangement and/or unfolding the canopy is reversible and can be performed in reverse order to return the cantilever umbrella 2 from the extended and unfolded configuration to the folded configuration.
Fig. 5 shows a cantilever umbrella with a particularly advantageous arrangement for the canopy mechanism 10. All the features and alternatives described above in connection with fig. 1 to 4b apply to the cantilever umbrella. As in fig. 1, the canopy mechanism is supported by the cantilever mechanism 8 at a pivot point adjacent the distal end of the cantilever. The canopy mechanism comprises six obliquely downwardly directed ribs 16, the ribs 16 being symmetrically arranged about a circle centered at a point at the top end of a shaft 20, the shaft 20 being positioned below and adjacent to the pivot point. The ribs 16 pivot at a point located on the circle. In normal use, the ribs 16 will be covered by canvas (not shown) in the shade which provides the sun shade. The six extensions 18 pivot at the disc-shaped movable member 502 and extend obliquely upward to respective pivot points located along the respective ribs 16, such as along the midpoints of the respective ribs 16. The cord 26 (not shown, see fig. 1, 2a, 2b and 4a) is connected to the movable member 502 such that pulling the cord creates an upward force on the stretcher 18 which in turn raises the ribs 16, thereby deploying the canopy. Here, the canopy is shown in a fully deployed position. The canopy mechanism can be actuated, i.e. can be manipulated, by pulling a cord (not shown, see fig. 1, 2a, 2b and 4a), which has been described in detail above.
Thus, the canopy mechanism includes a plurality of canopy ribs 16, a plurality of canopies 18, and a movable member 502, wherein each canopy rib 18 of the plurality of canopy ribs 18 is connected to a respective canopy rib 16 of the plurality of canopy ribs and pivots at the movable member 502, and wherein a cord 26 (not shown, see fig. 1, 2a, 2b, and 4a) is attached to the movable member 502 such that pulling of the cord 26 (not shown, see fig. 1, 2a, 2b, and 4a) actuates the plurality of canopy ribs 16 through the plurality of canopy ribs 18.
The movable member 502 includes a plurality of recesses 504 at its outer periphery. Each recess 504 is U-shaped and has a limiting surface comprising an inner wall and two side walls. Each canopy stay 18 pivots at the side wall of the corresponding recess 504.
Four of the six recesses 504 have protrusions 506 extending radially outward from the inner wall. These projections 506 serve as stops so that the corresponding canopy stay 18 is stopped by the projections 506 when pivoted upward, so that the canopy stay 18 cannot reach a configuration parallel to the shaft 20 and parallel to the pulling direction of the cord 26 (not shown).
Thus, the movable member 502 includes one or more stops 506 that prevent at least one canopy stay 18 of the plurality of canopy stays 18 from becoming parallel to the pull direction of the cord 26 (not shown) at the point of attachment to the movable member 502. One or more limiting surfaces of the plurality of recesses 504 have protrusions 506 that form one or more stops 506.
Referring to fig. 2a, when the canopy mechanism 8 is in the collapsed position, the canopy stay 18 is approximately parallel to the pull direction of the cords 26, and the canopy ribs 16 are in turn parallel or approximately parallel to the canopy stay 18. In this configuration, the lever arm for deploying the canopy mechanism 14 by actuating the canopy ribs 16 through the canopy stay 18 is small, requiring a large pull on the cord 26. In the presence of the stop 506, the canopy mechanism 14 is prevented from assuming this problematic position when fully collapsed, thereby making the canopy mechanism 14 easier to deploy.
To achieve this effect, it is not required that all canopy stays 18 have corresponding stops 506. In the particular embodiment of fig. 5, four of the six recesses 504 are provided with stops 506. Two recesses 504 without stops 506 are positioned opposite each other across the movable member 502. This allows for efficient packaging and shipping of the canopy mechanism. Alternatively, all six of the recesses 504 may have stops 506.
This arrangement of the movable member 502 described with reference to fig. 5 would also be useful for a cantilever umbrella operated with a crank mechanism, such as the one mentioned in the background section.
The inventive concept has mainly been described above with reference to a few embodiments. However, as is readily appreciated by a person skilled in the art, other embodiments than the ones disclosed above are equally possible within the scope of the inventive concept, as defined by the appended claims.
For example, the cantilever arrangement may be fixed such that only the canopy mechanism is actuated when the slide member is slid.
Various alternatives for extending the cords 26, 44 between the rod 4 and the canopy mechanism 10 for actuating the canopy mechanism 10 have been disclosed above. Other options are possible, for example, the cords 26 of the first and second embodiments extend diagonally directly between the slide member 6 and the top of the canopy mechanism 10.
The rod may not necessarily be vertical but may also stand at an angle.
The following are examples:
1. a cantilever umbrella 2 comprising: a rod 4; a sliding member 6, such as a handle, said sliding member 6 being slidable along said rod 4; a cantilever arrangement 8, said cantilever arrangement 8 being supported by said rod 4; and a canopy mechanism 10, the canopy mechanism 10 being supported by the cantilever arrangement 8 and being actuatable by pulling a cable 26, 44, the cable 26, 44 leading to the canopy mechanism 10 at least in a path P between the slide member 6 and the canopy mechanism 101-P2-30-32-34、 P4-P3-48-50-32-34, characterized in that said ropes 26, 44 extend along said rod 4 over a portion of said path, a first point P1、P3And a second point P2、P4A distance d between12、 d34Said first point P1、P3On or adjacent to the rod 4, the second point P2、 P4Is movable together with the sliding member 6 such that sliding the sliding member 6 along the rod a in a predetermined direction increases the distance d12、d34Thereby extending the path resulting in a pulling action of the cords 26, 44 on the canopy mechanism 10The application is as follows.
2. The cantilever umbrella 2 of example 1, a sub-path of the path from the rod 4 to the canopy mechanism 10 is of constant length.
3. The cantilever umbrella 2 of any of the preceding examples, the cantilever arrangement 8 is extendable by sliding the sliding member 6, such that the sliding of the sliding member 6 simultaneously causes extension of the cantilever arrangement 8 and actuation of the canopy mechanism 10.
4. The cantilever umbrella 2 according to any of the preceding examples, wherein the cantilever arrangement 8 comprises: a cantilever 14, said cantilever 14 pivoting at said sliding member 6; and a stay 12, said stay 12 pivoting at a first end at said rod 4 and at a second end at said cantilever 14.
5. The cantilever umbrella 2 according to any of the preceding examples, further comprising a first pulling member, such as a first pedal, for pulling the cord, wherein the cord is attached to the first pulling member.
6. The cantilever umbrella 2 of any one of the preceding examples, further comprising an auxiliary member biased to exert a force on the sliding member for assisting the sliding of the sliding member.
7. The cantilever umbrella 2 of example 6, wherein the secondary member comprises a spring.
8. The cantilever umbrella 2 of example 6, wherein the auxiliary member comprises a weight.
9. The cantilever umbrella 2 of example 8, wherein a second rope extends between the weight block and the sliding member, the second rope preferably passing around a first pulley, the first pulley preferably being located at the top end of the rod.
10. The cantilever umbrella 2 of any of examples 8 or 9, wherein the weight is located in the cavity of the pole.
11. Cantilever umbrella 2 according to any of the preceding examples, comprising a second pulling member, preferably a second pedal, coupled to the sliding member such that driving the pulling member in a direction opposite to the sliding of the sliding member causes the sliding of the sliding member, preferably at an initial stage of the sliding member.
12. The cantilever umbrella 2 of example 11, wherein a third rope is attached at the second pulling member and at the sliding member, the third rope preferably extending between the second pulling member and the sliding member through a second pulley, the second pulley preferably being located at the top end of the rod.
13. The cantilever umbrella 2 of example 9, wherein the second pulling member is identical to the first pulling member.
14. The cantilever umbrella 2 of any of examples 9 and 11 to 13, wherein the first and second pulleys have a common axis.

Claims (23)

1. A cantilever umbrella (2), comprising:
a rod (4);
a sliding member (6), said sliding member (6) being slidable along said rod (4);
a cantilever arrangement (8), the cantilever arrangement (8) being supported by the rod (4) and comprising: a cantilever (14), the cantilever (14) pivoting at the sliding member (6); and a stay (12), the stay (12) pivoting at a first end at the rod (4) and at a second end at the cantilever (14); and
a canopy mechanism (10), the canopy mechanism (10) being supported by the cantilever arrangement (8) and suspended freely from the cantilever arrangement (8) and being actuatable by pulling a rope (26, 44), the rope (26, 44) being in a path (P) to the canopy mechanism (10) at least between the sliding member (6) and the canopy mechanism (10)1-P2-30-32-34、P4-P3-48-50-32-34),
wherein the cantilever arrangement (8) is extendable by sliding the sliding member (6) such that the sliding of the sliding member (6) is simultaneousCausing the cantilever arrangement (8) to extend further laterally away from the rod and actuation of the canopy mechanism (10), the cable (26, 44) extending a first point (P) along the rod (4) over a portion of the path1、P3) And the second point (P)2、P4) Distance (d) therebetween12、d34) Said first point (P)1、P3) On or adjacent to the rod (4), the second point (P)2、P4) Is movable together with the sliding member (6) such that sliding the sliding member (6) along the rod (A) in a predetermined direction increases the distance (d)12、d34) Thereby lengthening the path, resulting in a pulling action of the cords (26, 44) on the canopy mechanism (10).
2. The cantilever umbrella (2) according to claim 1, wherein a sub-path of the path from the rod (4) to the canopy mechanism (10) has a constant length.
3. The cantilever umbrella (2) according to claim 1, further comprising a first pulling member (22) for pulling the rope (26, 44), wherein the rope (26, 44) is attached to the first pulling member (22).
4. The cantilever umbrella (2) of claim 3, further comprising an auxiliary member biased to exert a force on the sliding member (6) for assisting the sliding of the sliding member.
5. The cantilever umbrella (2) according to claim 4, wherein the auxiliary member comprises a spring.
6. The cantilever umbrella (2) according to claim 4, wherein the auxiliary member comprises a weight block (40).
7. The cantilever umbrella (2) of claim 6, wherein a second rope (36) extends between the counterweight (40) and the sliding member (6), the second rope (36) being passed around a first pulley (38).
8. The cantilever umbrella (2) of claim 6, wherein the weight (40) is located in a cavity of the rod (4).
9. Cantilever umbrella (2) according to claim 7, characterized in comprising a second pulling member (22), the second pulling member (22) being coupled to the sliding member (6) such that driving the second pulling member (22) in a direction opposite to the sliding of the sliding member (6) at an initial stage of the sliding member (6) results in the sliding of the sliding member (6).
10. Cantilever umbrella (2) according to claim 9, wherein a third rope (42) is attached at the second pulling member (22) and at the sliding member, the third rope (42) extending between the second pulling member (22) and the sliding member through a second pulley (39).
11. The cantilever umbrella (2) according to claim 9, wherein the second pulling member (22) is identical to the first pulling member (22).
12. The cantilever umbrella (2) of claim 10, wherein the first pulley (38) and the second pulley (39) have a common axis.
13. The cantilever umbrella (2) according to claim 1, wherein the sliding member (6) is a handle.
14. The cantilever umbrella (2) according to claim 3, wherein the first pulling member (22) is a first pedal.
15. The cantilever umbrella (2) of claim 7, wherein the first pulley (38) is located at the top end of the rod (4).
16. The cantilever umbrella (2) according to claim 9, wherein the second pulling member (22) is a second pedal.
17. The cantilever umbrella (2) of claim 10, wherein the second pulley (39) is located at the top end of the rod (4).
18. The cantilever umbrella (2) according to any one of claims 1 to 17, wherein the canopy mechanism (10) comprises:
a plurality of canopy ribs (16);
a plurality of canopy struts (18); and
a movable member (502) which is movable,
wherein each canopy stay (18) of the plurality of canopy stays (18) is connected to a respective canopy rib (16) of the plurality of canopy ribs (16) and pivots at the movable member (502), and wherein the cord (26, 44) is attached to the movable member (502) such that the pulling of the cord (26, 44) actuates the plurality of canopy ribs (16) through the plurality of canopy stays (18), wherein the movable member (502) comprises one or more stops (506), the one or more stops (506) preventing at least one canopy stay (18) of the plurality of canopy stays (18) from becoming parallel to a pulling direction of the cord (26, 44) at an attachment point to the movable member (502).
19. The cantilever umbrella (2) of claim 18, wherein the movable member (502) comprises a plurality of recesses (504) at an outer periphery of the movable member (502), each recess (504) of the plurality of recesses (504) having a limiting surface, wherein each canopy stay (18) of the plurality of canopy stays (18) pivots at the limiting surface of a respective recess (504) of the plurality of recesses (504).
20. The cantilever umbrella (2) of claim 19, wherein one or more of the limiting surfaces of the plurality of recesses (504) have a protrusion (506), the protrusion (506) forming the one or more stops (506).
21. The cantilever umbrella (2) of claim 18, wherein the one or more stops (506) are configured to stop all of the canopy struts (18) of the plurality of struts (18) except for two or more canopy struts (18) that pivot at opposite sides of the movable member (502).
22. The cantilever umbrella (2) of claim 18, wherein the one or more stops (506) are configured to stop all canopy struts (18) of the plurality of canopy struts (18).
23. A cantilever umbrella (2), comprising:
a rod (4);
a pulling mechanism arranged at the lever (4) for pulling a rope;
a cantilever arrangement (8), the cantilever arrangement (8) being supported by the rod (4); and
a canopy mechanism (10), the canopy mechanism (10) being supported by the cantilever arrangement (8) and being actuatable by pulling the rope (26, 44), the rope (26, 44) being in a path (P) to the canopy mechanism (10) at least between the pulling mechanism and the canopy mechanism (10)1-P2-30-32-34、P4-P3-48-50-32-34), wherein the canopy mechanism comprises:
a plurality of canopy ribs (16);
a plurality of canopy struts (18); and
a movable member (502) which is movable,
wherein each canopy stay (18) of the plurality of canopy stays (18) is connected to a respective canopy rib (16) of the plurality of canopy ribs (16) and pivots at the movable member (502), and wherein the cord (26, 44) is attached to the movable member (502) such that the pulling of the cord (26, 44) actuates the plurality of canopy ribs (16) through the plurality of canopy stays (18), wherein the movable member (502) comprises one or more stops (506), the one or more stops (506) preventing at least one canopy stay (18) of the plurality of canopy stays (18) from becoming parallel to a pulling direction of the cord (26, 44) at an attachment point to the movable member (502).
CN201890000583.XU 2017-03-06 2018-03-05 Cantilever umbrella Active CN211882577U (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1750241 2017-03-06
SE1750241-0 2017-03-06
PCT/SE2018/050207 WO2018164626A1 (en) 2017-03-06 2018-03-05 Cantilever parasol

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WO (1) WO2018164626A1 (en)

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Publication number Priority date Publication date Assignee Title
US10925361B2 (en) * 2018-04-23 2021-02-23 Mark J. S. Ma Collapsible umbrella assembly having a canopy supported using stabilizing struts

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Publication number Priority date Publication date Assignee Title
WO1982003538A1 (en) * 1981-04-23 1982-10-28 Jean Collet Protective shelter,such as a parasol,with an offset support
US5711332A (en) * 1996-01-26 1998-01-27 American Holtzkraft, Inc. Strutless umbrella
CH690087A5 (en) * 1996-02-14 2000-04-28 Walter Steiner Parasol.
US6129101A (en) * 1998-09-16 2000-10-10 Dubinsky; Emanuel Garden umbrella having special ballast weight for facilitating constant control of opening and closing of umbrella
US6401735B1 (en) * 2000-08-01 2002-06-11 Tong Yih Plastic Co., Ltd. Stretching structure for sunshade body
CA2481580C (en) * 2004-09-14 2008-10-14 Lausan Chung-Hsin Liu Side-supporting umbrella
DE102008014372B4 (en) 2008-03-17 2016-02-18 Yotrio Group Co.Ltd. standing umbrella
US7886755B2 (en) * 2009-02-24 2011-02-15 Benson Tung Side-supporting sunshade
KR101003411B1 (en) * 2010-09-10 2010-12-22 (주)대영엔지니어링 The umbrella which writes long and simple union-structure

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WO2018164626A1 (en) 2018-09-13

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Patentee before: IKEA SUPPLY AG

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