Fully automatic single push button type umbrella

Abstract From the Canadian patent

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 …