Fully automatic single push button type umbrella

Details Fully automatic single push button type umbrella Fully automatic single push button type umbrella

A - Human Necessities

45

B

135/21

A45B 25/00 (2006.01)

Patent

CA 1294849

ABSTRACT Improvements in an automatic umbrella in which a single push button is resiliently and slidably mounted by a first return spring is an opening being defined on the wall of a sleeve member provided on the upper portion of a grip mounted to the lower end of a lower inner shaft and has at the bottom end thereof a flange and the upper end thereof protruding our from the opening. A locking pawl is further resiliently and pivotably mounted in the inside of the lower inner shaft by a shaft pin and by a second return spring and is formed at one end thereof with an enlarged locking head always projecting out from an elongated slot formed on the wall of the shaft and facing the bottom face of the push button. The bottom face of the push button having on the lower end edge a bevel face is located between the upper and the lower edges of a pair of engaging openings formed respectively on the lower end walls of an outer and an intermediate tubular shafts. Width of the engaging opening of the outer shaft is the width formed by the top portion of the opening edges at the two sides thereof on the outer circumference of the intermediate shaft located exactly therebeneath, whereas width of that of the intermediate shaft is the width formed by the top portion of the opening edges at the two sides thereof on the outer circumference of the lower inner shaft located exactly therebeneath. By the construction, the umbrella can be opened and closed automatically in sequence by operation of the single push button in a unidirection.

537770

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