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Fully automatic collapsible and multi-foldable umbrella

Inactive Publication Date: 2010-08-19
LIU FU TIEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005]An object of the present invention is to provide a fully automatic collapsible and multi-foldable umbrella having an improved structure that may be easily manufactured and used.
[0018]The invention adopts two pull wires in conjunction with the corresponding compression or tension spring to automatically close the umbrella. The first pull wire pulls the lower nest to open the umbrella. The second pull wire pulls the fastener to close the umbrella. The compression or tension spring disposed on the middle rod or the umbrella rib provides the force for closing the umbrella, so the structure is stable, and the umbrella may be used conveniently and manufactured easily.

Problems solved by technology

First, the structure is complicated.
Second, the umbrella cannot be easily manufactured.
Third, the stability of use is poor.

Method used

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  • Fully automatic collapsible and multi-foldable umbrella
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  • Fully automatic collapsible and multi-foldable umbrella

Examples

Experimental program
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Effect test

first embodiment

[0033]Referring to FIGS. 1 and 2, an umbrella of the present invention includes an umbrella rib 1, an upper nest 2, a lower nest 3, and a middle rod 4 being a multi-section tube having an upper external tube connected to the upper nest 2. The middle rod 4 has an upper internal plug 41 and a lower internal plug 42 disposed inside the middle rod 4. A compression spring 5 surrounds the middle rod 4 and is disposed between the upper nest 2 and the lower nest 3 to provide the force for automatically closing the umbrella. A first pull wire 6 has one end connected to the lower internal plug 42 of the middle rod and the other end connected to the upper nest after the first pull wire wraps around the pulley(s) 21 on the upper nest and the pulley(s) 31 on the lower nest. In this embodiment, the first pull wire is a pull rope, and two ends of the first pull wire are respectively fixed to the lower internal plug 42 and the upper nest 2 by way of knotting. The numbers of the pulley(s) on the upp...

second embodiment

[0037]Referring to FIGS. 3 and 4, the umbrella of the present invention includes an umbrella rib 1, an upper nest 2, a lower nest 3 and a middle rod 4. The middle rod 4 is a multi-section tube having an upper external tube connected to the upper nest 2. The middle rod has an upper internal plug 41 and a lower internal plug 42. A fastener 43 is disposed in the upper internal plug 41 and may partially eject out of the middle rod to fasten the external tube of the middle rod so that the umbrella can be opened. The umbrella further includes a tension spring 9 disposed on the umbrella rib. The tension spring 9 is connected to and disposed between a primary bone 11 and a secondary bone 12 to provide the force for automatically closing the umbrella. One end of a first pull wire 6 is connected to the lower internal plug 42, which is fixed in an internal tube 45. The first pull wire is a pull rope having a lower end fixed to the lower internal plug 42 by way of knotting. The internal plug 42...

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PUM

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Abstract

A fully automatic collapsible and multi-foldable umbrella includes an umbrella rib, an upper nest, a lower nest, a middle rod and a compression spring disposed between the upper and lower nests or a tension spring disposed on the umbrella rib. The middle rod has upper and lower internal plugs. A fastener fastening an external tube of the middle rod is disposed in the upper internal plug so that the middle rod may extend to open the umbrella. The umbrella further includes first and second pull wires. The first pull wire has one end coupled to the lower internal plug and the other end connected to the upper nest after the wire wraps around pulleys on the upper and lower nests. The second pull wire has an upper end connected to the fastener and a lower end connected to a runner on a handle so that the runner drives the fastener.

Description

BACKGROUND OF THE INVENTION[0001](1) Field of the Invention[0002]The present invention relates to an umbrella, and more particularly to a fully automatic collapsible and multi-foldable umbrella.[0003](2) Description of the Prior Art[0004]At present, umbrellas available in the market may be classified into manual umbrellas and automatic umbrellas. Among the automatic umbrellas, a multi-foldable umbrella capable of automatically closing has the following drawbacks. First, the structure is complicated. Second, the umbrella cannot be easily manufactured. Third, the stability of use is poor.SUMMARY OF THE INVENTION[0005]An object of the present invention is to provide a fully automatic collapsible and multi-foldable umbrella having an improved structure that may be easily manufactured and used.[0006]The invention achieves the above-identified object by adopting the following technical conceptions.[0007]First Conception[0008]A fully automatic collapsible and multi-foldable umbrella includ...

Claims

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Application Information

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IPC IPC(8): A45B25/16
CPCA45B25/143A45B19/04
Inventor LIU, FU-TIEN
Owner LIU FU TIEN
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