Collapsible umbrella of the automatic opening type

Claim 1

A collapsible umbrella comprising, in combination: a. a tubular, elongated pole having an outer section, an intermediate section, and an inner section telescopically engaging each other for movement between an extended condition and a collapsed condition of said pole; b. an upper rib supporting member secured to the upper end of said outer section remote from said inner section in said extended condition of the pole; c. an intermediate rib supporting member and a lower rib supporting member movable on said pole toward and away from said upper rib supporting member; d. a first compression spring longitudinally interposed in said pole between said upper rib supporting member and said intermediate section; e. a second compression spring longitudinally interposed in said pole between said intermediate section and said inner section; f. first locking means for yieldably securing said sections to each other in the extended condition of said pole; g. a plurality of main rib members, one end of each main rib member being pivotally secured to said upper rib supporting member; h. hinge means slidable on each main rib member toward and away from the other end of said main rib member; i. a plurality of forward rib members, one end of each forward rib member telescopically engaging an associated main rib member and being secured to the associated hinge means, the other end of the forward rib member projecting from the other end of the associated main rib member; j. a plurality of holding rib members, one end of each holding rib member being pivotally connected to a respective hinge means, the other ends of said holding rib members being pivotally secured to said intermediate rib supporting member; k. a plurality of supporting rib members having respective first ends pivoted to portions of respective holding rib members intermediate the ends thereof, and second ends pivoted to said lower rib supporting member; l. a third compression spring interposed between said intermediate and lower rib supporting members; m. second looking means mounted on said inner section for locking said lower rib supporting member to said inner section in a position of the lower rib supporting member remote from said upper rib supporting member in the collapsed condition of said pole; n. a handle on said inner section, 1. said second locking means including a pawl member engageable with said lower rib supporting member, and a button member on said pawl member closely adjacent said handle for release of said pawl member from said lower rib supporting member when said button is manually operated; o. two plug members respectively secured in the upper ends of said intermediate section and of said inner section. 1. said first spring engaging the plug member in said intermediate section, and said second spring being interposed between said two plug members, 2. said first locking means including two locking members respectively mounted on said intermediate and inner sections adjacent said plug members, said outer and intermediate sections being formed with openings respectively engaged by said locking members in said extended condition of the pole; and p. a spring seat member and spacing means interposed between said spring seat member and the plug member secured to the upper end of said intermediate section for firmly securing the plug member to the spring seat member, said second compression spring engaging said spring seat member.