Lightening multiple-fold automatic umbrella

Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

135 22, 135 28, A45B 2514

Patent

active

057913595

ABSTRACT:
An automatic umbrella includes: a central shaft (1) having a lower tube (11), a middle tube (13) and an upper tube (14) telescopically engageable with one another, an umbrella rib assembly (2) pivotally secured to the central shaft (1) and having an umbrella cloth (C) secured on the rib assembly (2), an opening spring (3) retained in the central shaft (1) for automatically opening the umbrella, a drag means (4) provided in the central shaft (1) through a lower runner (24) of the rib assembly (2) for pulling the lower runner (24) upwardly for extending the rib assembly (2) when opening the umbrella, and a control means (5) for controlling the automatic opening of the umbrella, wherein the tubes of the central shaft (1) are each made of light weight materials for lightening the weight of the umbrella and each tube having a cross section of concave hexagonal sides for reinforcing the strength of the tubes of the central shaft for a reliable umbrella opening operation.

REFERENCES:
patent: 4823821 (1989-04-01), Day
patent: 4825888 (1989-05-01), Su
patent: 5232004 (1993-08-01), Wu
patent: 5309932 (1994-05-01), Chou et al.
patent: 5390686 (1995-02-01), Lin et al.
patent: 5441065 (1995-08-01), Lin et al.
patent: 5492140 (1996-02-01), Lin et al.
patent: 5626161 (1997-05-01), Lin et al.
patent: 5645094 (1997-07-01), Wu
patent: 5720311 (1998-02-01), Lin et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Lightening multiple-fold automatic umbrella does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lightening multiple-fold automatic umbrella, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lightening multiple-fold automatic umbrella will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-379556

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.