Anti-slipping telescopic centerpost of multiple-fold umbrella

Details Anti-slipping telescopic centerpost of multiple-fold umbrella Anti-slipping telescopic centerpost of multiple-fold umbrella

1989-11-29

1990-08-28

Scherbel, David A.

Tent, canopy, umbrella, or cane

Umbrella

Collapsible in length

135 39, 135 28, A45B 1900

Patent

active

049516957

ABSTRACT:
A telescopic centerpost includes a slider of umbrella spokes or ribs formed with a catch socket engageable with a stabilizing retainer for preventing an accidental dropping of the slider and preventing an unexpected closing of umbrella canopy or cloth once opened; and having a handle tube of the centerpost formed with a plurality of longitudinal extensions on an outer circumference of the handle tube for firmly gripping the handle tube for preventing its slipping.

REFERENCES:
patent: 3856032 (1974-12-01), Schafer
patent: 3921655 (1975-11-01), Weber

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