Full-automatic umbrella

Details Full-automatic umbrella Full-automatic umbrella

1984-02-07

1985-10-22

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

135 20R, A45B 2514

Patent

active

045482225

ABSTRACT:
A full-automatic umbrella operable single-handedly by means of a single control device is provided with a tube having a handle at the lower end thereof, an outer tubular shaft mounted on the upper end of said tube and provided with an intermediate ring at the top thereof, an upper inner shaft inserted in the upper end of said outer tubular shaft and provided with an upper ring at the top thereof, a sliding member mounted over said outer tubular shaft and provided with a lower ring at the upper end thereof, a rib assembly collapsibly and pivotably connected to said upper, intermediate and lower rings, a control device disposed in said stick and being operable to control the opening and collapsing of the umbrella through said control means, a coil spring adapted for closing the umbrella mounted in between said intermediate and lower rings, and two coil springs adapted for opening of the umbrella mounted separately in the upper and lower portions of said stick.

REFERENCES:
patent: 3658076 (1972-04-01), Yasuda
patent: 3672381 (1972-06-01), Kida et al.
patent: 3756258 (1973-09-01), Yoshihara
patent: 3856030 (1974-12-01), Sato
patent: 4421133 (1983-12-01), Huang

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-117358