Unlock instant, AI-driven research and patent intelligence for your innovation.

Shade orientating device for large-sized umbrella

a technology for orientating devices and umbrellas, which is applied in the direction of umbrellas, traveling accessories, apparel, etc., can solve the problems of troublesome operation of manual rotating the central post, limiting the capacity and performance and loosing the base that is positioned on the ground, etc., to achieve the effect of enhancing the operability and convenience of use of the large-sized umbrella

Inactive Publication Date: 2008-05-08
MA JOEN SHEN
View PDF17 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]Thus, an object of the present invention is to provide an umbrella shade orientating device comprising a ball joint arranged between upper and lower sections of a central post of the umbrella to allow the upper central post section to rotate with respect to the lower central post section and thus making the shade supported by the upper central post section orientated toward any desired direction thereby enhancing operability and convenience of use of the large-sized umbrella.

Problems solved by technology

This limits the capacity and performance of the large-sized umbrella.
However, manually rotating the central post may affect positioning of the umbrella on for example the ground for the engagement between the central post and an umbrella base that is positioned on the ground may be unexpectedly broken or gets loosened.
In addition, the operation of manually rotating the central post is troublesome.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Shade orientating device for large-sized umbrella
  • Shade orientating device for large-sized umbrella
  • Shade orientating device for large-sized umbrella

Examples

Experimental program
Comparison scheme
Effect test

first embodiment

[0028]Different embodiments of the controller 30 will be further descried with reference to the drawings. the catch 30 is shown in FIGS. 3 and 4, which demonstrate engaged and disengaged conditions between the pin 32 of the controller 30 and the dimples 22 of the sphere 21, respectively.

[0029]As shown in FIGS. 3 and 4, the controller 30 is movably mounted on the outside surface of the lower sleeve 24 and comprises an extension 31 that projects into the lower sleeve 24 through a guide slot 34 formed in the wall of the lower sleeve 24. The pin 32 is formed on the extension 31 and is arranged substantially under the sphere 21 and pointing toward the lower hemi-sphere of the sphere 21. A biasing element 33 is provided to bias the extension 31 in such a way to have the pin 32 physically contact the sphere 21 and thus engaging one of the dimples 22. In other words, the pin 32 is set in a normally engaged condition. This ensures safety of operation and use of the umbrella.

[0030]An example ...

fourth embodiment

[0036]the controller is shown in FIGS. 9 and 10. In the embodiment illustrated, the lower sleeve, which is designated with reference numeral 60, is concentrically rotatable about the lower central post section 12. Threading 61 is formed on an inside surface of the lower sleeve 60. The controller further comprises a rotatable disk 62 received in the lower sleeve 60 and forming a pin 63 pointing toward and thus engageable with the dimples 22 of the sphere 21. The disk 62 has an outer cylindrical surface on which threading is formed for engagement with the threading 61 of the lower sleeve 60. By rotating the lower sleeve 60, the threading engagement between the lower sleeve 60 and the disk 62 causes the disk 62 to move axially and thus approaching or moving away from the sphere to cause engagement and disengagement of the pin 63 with respect to the dimples 22 of the sphere 21. A biasing element 64, such as a spring, is arranged to apply a biasing force to the disk 62.

[0037]To release t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An umbrella includes a shade orientating device arranged between upper and lower sections of a post. The upper section supports a shade. The shade orientating device includes upper and lower sleeves respectively fixed to upper and lower sections. A sphere is attached to the upper sleeve and is rotatably received in the lower sleeve. A bolt extends from an upper hemisphere of the sphere to threadingly fix to the upper sleeve, while a plurality of dimples is distributed on a surface of a lower hemisphere. A controller, movably mounted to the lower sleeve, includes a pin engageable with the dimples and the controller is movable to selectively bring the pin into engagement with a selected one of the dimples thereby fixing the upper central post section and thus the shade carried thereby at a desired orientation with respect to the lower central post section.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention generally relates to a large-sized umbrella having a post supporting a shade, and in particular to a spherical joint based shade orientating device arranged between upper and lower sections of the post to selectively orientate the shade at any desired direction.[0003]2. The Related Arts[0004]Shade orientating devices have been used in large-sized umbrellas for controlling direction of inclination of the umbrella to selectively shield against intense sun light or simply for landscaping arrangement purposes.[0005]The conventional shade orientating devices only allow the umbrella to move in a single plane, such as east-westward plane or north-southward plane. In other words, the shade can be inclined in a direction toward for example east / west or north / south but not both. This limits the capacity and performance of the large-sized umbrella.[0006]One way to overcome the drawback is manually rotating a ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): A45B17/00A45B11/00
CPCA45B17/00
Inventor MA, JOEN-SHEN
Owner MA JOEN SHEN