Multiple-fold automatic umbrella with simplified reliable contro

Details Multiple-fold automatic umbrella with simplified reliable contro Multiple-fold automatic umbrella with simplified reliable contro

1996-04-29

1997-05-06

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

135 37, 135 203, A45B 2514

Patent

active

056261616

ABSTRACT:
A multiple-fold automatic umbrella includes: a control device having a push button slidably held in the grip for controlling the opening and closing of the umbrella, a slotted arm member secured to the push button having a pair of sockets formed in the slotted arm member, a shortened upper latch having a pair of lugs engageable with the pair of sockets for unlocking a folded telescopic shaft of the umbrella when depressing the push button for opening the umbrella, and a convex spring plate secured to a plug fixed into an inner tube of the shaft having a pair of flaps disposed on two opposite side portions of the convex spring plate for slidably holding a locking head of an umbrella-closing controller to be locked in the inner tube for a reliable folding operation of the umbrella.

REFERENCES:
patent: 3729012 (1973-04-01), Weber
patent: 4986294 (1991-01-01), Wu
patent: 5178174 (1993-01-01), Wu
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: 5505222 (1996-04-01), Lin et al.

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