A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An improved beach umbrella that includes a canopy, a cylindrical shaft with a point on the lower end, and one or more wedges that are attached to the shaft. The wedges act as anchors for the umbrella when placed into the ground to prevent the umbrella from being uplifted from the ground due to a strong force of wind.
An improved beach umbrella that includes a canopy, a cylindrical shaft with a point on the lower end, and one or more wedges that are attached to the shaft. The wedges act as anchors for the umbrella when placed into the ground to prevent the umbrella from being uplifted from the ground due to a strong force of wind.
Wind resistant beach umbrella
SILBERMAN ALAN R (author)
2016-10-18
Patent
Electronic Resource
English