Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 C.F.R. § 1.57.
This application is directed to a device to tilt an upper portion of an umbrella relative to a lower portion.
Patio umbrellas are well known. Among patio umbrellas, some designs allow the location of shade cast thereby to be altered by tilting an upper part of the umbrella relative to a lower part of a pole that supports the upper part of the umbrella.
Because umbrellas can be heavy and it is desired that they last a long time, a common practice has been to inner core mold some of the components at which the tilting occurs. This process is able to create a series of channels through the molded components that are needed for actuating the tilting action and for passing a cord for raising and lowering the umbrella canopy. However, this process limits the ability to form tight clearances and to make very smooth internal surfaces and edges. It is possible to using stripping and burr trimming processes after molding to improve the parts formed thereby, but when these processes are adapted to tilt umbrella components, the process takes longer than desired.
If these processes are incomplete, the burrs and other irregularities can result in the cord being damaged or even cut. Re-threading a cord in a tilt umbrella of this type is very difficult, resulting in time-consuming re-work or excess scrap components.
It would be useful to improve the design and performance of tilting umbrellas. It would be beneficial to provide components for a tilt umbrella that allow access to pathways through which cords and other control devices move. Such access during manufacturing and repair would increase the lifespan and performance of umbrellas with components having such access.
In one embodiment, a tilt device for an umbrella is provided that includes a first tilt member and a second tilt member. The second tilt member is pivotably coupled with the first tilt member. The tilt device also includes a guide track assembly disposed in the first tilt member. The guide track assembly has a first guide track member and a second guide track member. The first guide track member has a first guide track portion disposed in a side portion thereof. The second guide track member has a second guide track portion disposed in a side portion thereof. The first guide track member and the second guide track member are separate members that are configured to mate at the side portions thereof to join the second guide track portion to the first guide track portion to form an enclosed guide track. The tilt device also includes a driver that has an upper portion disposed in the second tilt member and a lower portion. The lower portion is disposed in the enclosed guide track. The enclosed guide track is configured to guide movement of the lower portion of the driver within the first tilt member. Movement of the driver causes the second tilt member to tilt relative to the first tilt member.
In another embodiment an umbrella is provided. The umbrella includes a canopy assembly, a first pole section and a second pole section disposed between the first pole section and the canopy assembly. The umbrella also includes a guide track assembly and a driver. The guide track assembly is disposed in the first pole section. The guide track assembly has a first member and a second member. The first member and the second member are separate members configured to mate at respective side portions. An enclosed guide track is disposed within the guide track assembly. The drive has an upper portion disposed in the second pole section and a lower portion configured to be guided by the enclosed guide track. Movement of the driver tilts the second pole section relative to the first pole section.
In another embodiment an umbrella is provided that includes a canopy assembly, a first pole section and a second pole section disposed between the first pole section and the canopy assembly. The umbrella includes a cord guide member. The cord guide member is removably disposed in the first pole section. The cord guide member has an elongate concave surface disposed on an outside surface thereof. The elongate concave surface faces away from a central longitudinal axis of the first pole section when the cord guide member is disposed in the first pole section. The second pole section is tiltable relative to the first pole section.
In some variations, the umbrella or tilt device includes a driver. The driver can have an upper portion disposed in the second pole section and a lower portion configured to be guided within the first pole section between a position corresponding to the umbrella being straight and a position corresponding to being tilted relative to the first pole section or the first tilt member.
These and other features, aspects and advantages are described below with reference to the drawings, which are intended to illustrate but not to limit the inventions. In the drawings, like reference characters denote corresponding features consistently throughout similar embodiments. The following is a brief description of each of the drawings.
While the present description sets forth specific details of various embodiments, it will be appreciated that the description is illustrative only and should not be construed in any way as limiting. Furthermore, various applications of such embodiments and modifications thereto, which may occur to those who are skilled in the art, are also encompassed by the general concepts described herein. Each and every feature described herein, and each and every combination of two or more of such features, is included within the scope of the present invention provided that the features included in such a combination are not mutually inconsistent.
The runner 116 can be raised or lowered by any means, including a winch 117. The winch 117 can include a crank 118 coupled with a cord 119. By rotating the crank 118, the cord 119 can be wound in our out. When wound in, the runner 116 will be raised. When wound out, the runner 116 will be lowered.
The first pole section 120 can extend from a bottom portion of the umbrella 100 to the tilt device 104. The winch 117 can be mounted to the first pole section 120. A length of the cord 119 can extend through the first pole section 120 from the winch 117 the tilt device 104. The cord 119 can be routed through the tilt device 104 in a manner that protects the cord 119 during the tilting of the tilt device 104 as discussed further below. The cord 119 can further extend to the second pole section 124. The cord 119 can extend to a pulley disposed toward the top of the second pole section 124. The cord 119 can extend over the pulley and out of the second pole section 124 and thereafter down to the runner 116. The cord 119 can be mounted to a top or internal surface of the runner 116.
The tilt device 104 is configured to be coupled with the first pole section 120 and to the second pole section 124. For example, the lower portion 142 of the first tilt member 140 can be configured to be inserted into the first pole section 120. The upper end of the first pole section 120 can be advanced into engagement with a small step between the upper portion 144 and the lower portion 142 of the first tilt member 140. The lower portion 142 can have an outside diameter that is less than the inside diameter of the first pole section 120. A rivet or other connector can join the lower portion 142 to the first pole section 120. The upper portion 156 of the second tilt member 154 can be configured to be inserted into the second pole section 124. The lower end of the second pole section 124 can be advanced over the upper portion 156 of the second tilt member 154 until the lower end comes into contact with a small step between the upper portion 156 and the lower portion 155 of the second tilt member 154. The upper portion 156 can have a smaller outside diameter than the inside diameter of the second pole section 124 such that the upper portion 156 can be inserted into the second pole section 124. A rivet or other connector can join the upper portion 156 to the second pole section 124.
The pivoting of the second tilt member 154 relative to the first tilt member 140 can be provided in a controlled manner by providing a guide track assembly 160 and a driver 200. The guide track assembly 160 is an example of a guide body that can be removably disposed within the first tilt member 140. Preferably the guide track assembly 160 is separate from but configured to be received in the first tilt member 140.
The guide track assembly 160 has an enclosed guide track 188 disposed therein. The enclosed guide track 188 is one example of a guide track disposed in or on a guide body, e.g., in the guide track assembly 160 that is removably disposed in the first tilt member 140. In one embodiment, the first guide track member 164 has a first guide track portion 168 formed in a side portion 172 thereof. In one embodiment, the second guide track member 176 includes a second guide track portion 180 disposed in a side portion 184 thereof.
The tilt device 104 is configured to receive the cord 119 and to facilitate movement thereof through the umbrella 100. In one embodiment a cord channel 220 is provided through the tilt device 104. The cord channel 220 is defined in part by an open channel 222 in the guide track assembly 160. The open channel 222 is one example of a guide track disposed in or on a guide body, such as in or on the guide track assembly 160. The guide track assembly 160 can include a projection 224 disposed on a side surface 225 thereof. The projection 224 can be disposed on the side surface 225 of the first guide track member 164. The projection 224 can have a U-shape configuration. The projection 224 can include a concave surface 226 extending between opposing sections of the projection 224. The opposing sections of the projection 224 can extend different distances from the side surface 225.
The open channel 222 can be accessible prior to the guide track assembly 160 being mounted in the first tilt member 140. The accessibility of the open channel 222 enables the concave surface 226 to be made very smooth to allow the cord 119 to have minimal wear in normal use, which can involve the cord 119 sliding over the concave surface 226. At least a portion of the concave surface 226 comprises a low friction, yet durable material. Example structures and materials for the concave surface 226 can include a smooth surface, a plastic surface, a soft plastic coating or a hard but smooth plastic structure. In one embodiment, the first guide track member 164 and the second guide track member 176 are formed of different materials. The first guide track member 164 can be entirely formed of the materials set forth above. In other embodiments, the side of the first guide track member 164 in which the projection 224 is formed can comprise the materials set forth above.
In one embodiment, the guide track assembly 160 includes a flange assembly 290. The flange assembly 290 can comprise a first flange portion 292 and a second flange portion 296. The first flange portion 292 can be disposed on the first guide track member 164. The second flange portion 296 can be disposed on the second guide track member 176. The first flange portion 292 and the second flange portion 296 can be joined in a suitable manner. For example, each of the first flange portion 292 and the second flange portion 296 can include the peg 300 and the opening 304. The peg 300 on the second flange portion 296 can be configured to extend into the opening 304 on the first flange portion 292. In another embodiment, the peg 300 can be disposed on the first flange portion 292 and the opening 304 on the second flange portion 296. In one embodiment, a second opening 304 on the first flange portion 292 is aligned with a second opening 304 on the second flange portion 296. The second openings 304 can receive a fastener to enhance the connection of the first flange portion 292 to the second flange portion 296. In one embodiment, each of the first flange portion 292 and the second flange portion 296 has a peg 300 and an opening 304 configured to receive the peg 300.
In one embodiment, the guide track assembly 160 is securely received in the first tilt member 140 with three edges thereof affixed to corresponding axial slots 145a-c. A fourth side of the guide track assembly 160 can have a curved profile that engages the inner wall 146. The fourth side of the guide track assembly 160 can be convex with a curvature matching the concave inner wall 146. In other embodiments, a flange can be provided that would mate with an axial slot 145 (not shown) at a position opposite the flange assembly 290, e.g., at the 3 o'clock position.
Operation of the umbrella 100 can be as follows. A crank handle of the winch 117 can be turned to pull the cord 119 through the tilt device 104 to wind the cord 119 within the winch 117. The cord 119 passes through the tilting cord path 370 and the cord channel 220 in the tilt device 104. The cord 119 can be moved along cord path guide 366 and along the concave surface 226 of the projection 224 as discussed above. The concave surface 226 can advantageously be formed of a low friction material and/or be made very smooth in view of it being accessible prior to inserting the guide track assembly 160 into the first tilt member 140. The concave surface 226 can be made of or can comprise a soft plastic, such as by a dipping or dip coating process. Further operation of the winch 117 raise the runner 116 from a position in which the runner 116 is at an elevation along the umbrella 100 in which it is over the first pole section 120. As the winch 117 is operated, the runner 116 can be raised up along the first pole section 120 and as the runner 116 is raised the canopy assembly 108 is expanded and opened. Further operation of the winch 117 causes the runner 116 to pass over the tilt device 104 to an elevation above the tilt device 104. Still further operation of the winch 117 causes the top of the runner 116 to engage with a bottom portion of the collar 332. As discussed above, the collar 332 is connected to the linking aperture 210 of the driver 200. As a result, the elevation of the collar 332 also raises the driver 200. Raising the driver 200 within the tilt device 104 causes the roller 312 to move along the enclosed guide track 188. The path defined in the enclosed guide track 188 causes movement of the driver 200 that results in tilting to the configuration of the umbrella 100 shown in
By separating functions provided by the guide track assembly 160 from the structure of the first tilt member 140 advantages can be achieved. The first guide track member 164 and the second guide track member 176 are accessible during manufacturing and thus can be processed to be smoother than would be found in other forms of manufacturing, such as in inner core molding. This allows burrs and other irregularities that could lead to wear of the cord 119 and other components to be eliminated or reduced much more quickly than is possible with a monolithic molded part. Also, it is possible to make different parts within the tilt device 104 of different materials. The guide track assembly 160 can formed of more than one material. For example, the second guide track member 176 could include a rigid and wear resistant material. The first guide track member 164 could include a wear resistant material and/or a low friction material. Thus, the action of the roller 312 driven by the driver 200 will not create excessive wear on the enclosed guide track 188 and the concave surface 226 will be low friction and smooth to not create excessive wear on the cord 119. Moreover, the mating of the first guide track member 164 and the second guide track member 176 can create a close fit between the driver 200 and the enclosed guide track 188, e.g., providing minimal but a non-contact gap between the sides of the driver 200 and the inside periphery of the enclosed guide track 188. This reduces the contribution of these components to sway of the umbrella 100.
The tilt device includes a guide track assembly disposed in the first tubular body. The guide track assembly has a first guide track member having a first guide track portion disposed in a side portion thereof. The guide track assembly has a second guide track member having a second guide track portion disposed in a side portion thereof. The first guide track member and the second guide track member are separate members that are configured to mate at the side portions thereof. When so mated, the first and second guide track member join the second guide track portion to the first guide track portion to form an enclosed guide track. The tilt device includes a driver that has an upper portion disposed in the second tubular body and a lower portion disposed in the first tubular body. The enclosed guide track is configured to guide movement of the lower portion of the driver within the first tubular body. Movement of the driver causes the second tubular body to tilt relative to the first tubular body.
As used herein, the relative terms “top” and “bottom” shall be defined from the perspective of an upright vertically supported umbrella assembly. Thus, top or upper refers the direction toward the exposed side of the shade member 104 when so supported, while bottom or lower refers to the direction toward the mounting end 121 or the end 526.
Further example embodiments are set forth below.
Example 1: A tilt device for an umbrella, comprising: a first tilt member; a second tilt member pivotably coupled with the first tilt member; and a guide body removably disposed in the first tilt member, the guide body comprising a guide track disposed in or on the guide body, the guide track configured to guide movement of a cord of an umbrella in which the tilt device is disposed or to guide movement of a driver configured to cause the second tilt member to tilt relative to the first tilt member.
Example 2: The tilt device of example 1, wherein the guide body comprises a guide track assembly comprising a first guide track member and a second guide track member, the first guide track member and the second guide track member being separate members to provide access to a guide track, the first guide track member and the second guide track member configured to mate at the side portions thereof to enclosed the guide track therebetween.
Example 3: The tilt device of example 2, wherein the first guide track member comprises a first guide track portion disposed in a side portion thereof and the second guide track member comprises a second guide track portion disposed in a side portion thereof, the first guide track member and the second guide track member being mated at the side portions thereof to join the second guide track portion to the first guide track portion to form the enclosed guide track.
Example 4: The tilt device of examples 1-3, wherein the guide body comprises an open channel disposed on a side surface thereof.
Example 5: The tilt device of example 4, wherein the open channel is disposed in a projection disposed on the guide body, the projection including an elongate concave surface.
Example 6: The tilt device of example 5, wherein at least a portion of the elongate concave surface comprises a low friction material.
Example 7: The tilt device of examples 4-6, wherein the cord channel is enclosed by an inner wall of the first tilt member.
Example 8: The tilt device of examples 1-7, wherein the guide body comprises a flange disposed on at least one external surface thereof, the flange configured to rotationally fix the guide body within the first tilt member.
Example 9: The tilt device of example 8, wherein the flange has a first end adjacent to the guide track and a second end disposed away from the guide track, the second end configured to engage an inside surface of the first tilt member.
Example 10: The tilt device of example 9, wherein the second end of the flange is disposed in an axial slot located on the inside surface of the first tilt member.
Example 11: The tilt device of example 9, wherein the guide body comprises a first member having a first flange portion disposed thereon and a second member having a second flange portion disposed thereon, the first and second flange portions mating on an external surface of the guide body when the first and second members are coupled together.
Example 12: The tilt device of example 9, wherein the second flange portion comprises a peg and the first flange portion comprises an opening configured to receive the peg when the first member of the guide body is joined to the second member of the guide body.
Example 13: The tilt device of example 1-3, further comprising a driver having an upper portion disposed in the second tilt member and a lower portion disposed in the guide track, wherein the guide track is configured to guide movement of the lower portion of the driver within the first tilt member; wherein movement of the driver causes the second tilt member to tilt relative to the first tilt member.
Example 14: The tilt device of example 13, further comprising a first roller coupled with the lower portion of the driver and disposed in the guide track and a second roller coupled with the lower portion of the driver and disposed in the guide track.
Example 15: The tilt device of example 13, further comprising a collar coupled with the driver, the collar actuating the driver along the guide track within the guide body.
Conditional language, such as “can,” “could,” “might,” or “may,” unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain embodiments include, while other embodiments do not include, certain features, elements, and/or steps. Thus, such conditional language is not generally intended to imply that features, elements, and/or steps are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without user input or prompting, whether these features, elements, and/or steps are included or are to be performed in any particular embodiment.
The terms “approximately,” “about,” and “substantially” as used herein represent an amount close to the stated amount that still performs a desired function or achieves a desired result. For example, the terms “approximately”, “about”, and “substantially” may refer to an amount that is within less than 10% of, within less than 5% of, within less than 1% of, within less than 0.1% of, and within less than 0.01% of the stated amount. As another example, in certain embodiments, the terms “generally parallel” and “substantially parallel” refer to a value, amount, or characteristic that departs from exactly parallel by less than or equal to 15 degrees, 10 degrees, 5 degrees, 3 degrees, 1 degree, 0.1 degree, or otherwise.
Some embodiments have been described in connection with the accompanying drawings. However, it should be understood that the figures are not drawn to scale. Distances, angles, etc. are merely illustrative and do not necessarily bear an exact relationship to actual dimensions and layout of the devices illustrated. Components can be added, removed, and/or rearranged. Further, the disclosure herein of any particular feature, aspect, method, property, characteristic, quality, attribute, element, or the like in connection with various embodiments can be used in all other embodiments set forth herein. Additionally, it will be recognized that any methods described herein may be practiced using any device suitable for performing the recited steps.
For purposes of this disclosure, certain aspects, advantages, and novel features are described herein. It is to be understood that not necessarily all such advantages may be achieved in accordance with any particular embodiment. Thus, for example, those skilled in the art will recognize that the disclosure may be embodied or carried out in a manner that achieves one advantage or a group of advantages as taught herein without necessarily achieving other advantages as may be taught or suggested herein.
Although these inventions have been disclosed in the context of certain preferred embodiments and examples, it will be understood by those skilled in the art that the present inventions extend beyond the specifically disclosed embodiments to other alternative embodiments and/or uses of the inventions and obvious modifications and equivalents thereof. In addition, while several variations of the inventions have been shown and described in detail, other modifications, which are within the scope of these inventions, will be readily apparent to those of skill in the art based upon this disclosure. It is also contemplated that various combination or sub-combinations of the specific features and aspects of the embodiments may be made and still fall within the scope of the inventions. It should be understood that various features and aspects of the disclosed embodiments can be combined with or substituted for one another in order to form varying modes of the disclosed inventions. Further, the actions of the disclosed processes and methods may be modified in any manner, including by reordering actions and/or inserting additional actions and/or deleting actions. Thus, it is intended that the scope of at least some of the present inventions herein disclosed should not be limited by the particular disclosed embodiments described above. The limitations in the claims are to be interpreted broadly based on the language employed in the claims and not limited to the examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive.
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Number | Date | Country |
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128258 | May 1932 | AT |
6965-0001 | Apr 2009 | BG |
2579212 | Oct 2003 | CN |
202190859 | Apr 2012 | CN |
202588579 | Dec 2012 | CN |
210581325 | May 2020 | CN |
22 04 217 | Aug 1973 | DE |
24 34 495 | Feb 1975 | DE |
3820573 | Aug 1989 | DE |
202010011240 | Nov 2010 | DE |
202012007364 | Nov 2012 | DE |
202017002887 | Jul 2017 | DE |
202019103816 | Jul 2019 | DE |
0 628 264 | Dec 1994 | EP |
1 510 145 | Mar 2005 | EP |
2672781 | Aug 1992 | FR |
58-107024 | Jul 1983 | JP |
H08-322621 | Dec 1996 | JP |
2000-139533 | May 2000 | JP |
2001-046131 | Feb 2001 | JP |
2006-110317 | Apr 2006 | JP |
2007-222591 | Sep 2007 | JP |
2008-142310 | Jun 2008 | JP |
3144314 | Jul 2008 | JP |
2009-045359 | Mar 2009 | JP |
2009-247750 | Oct 2009 | JP |
WO 2005058089 | Jun 2005 | WO |
WO 2007092514 | Aug 2007 | WO |
Entry |
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Operation Manual Easy Sun Parasol Sunshade (Issue: Jul. 2004) pp. 1-17. |
Number | Date | Country | |
---|---|---|---|
20210112932 A1 | Apr 2021 | US |
Number | Date | Country | |
---|---|---|---|
62485491 | Apr 2017 | US |
Number | Date | Country | |
---|---|---|---|
Parent | 15952618 | Apr 2018 | US |
Child | 17006614 | US |