Patent ID: 7537016

Claim:
A golf bag umbrella comprising: a telescopic center post ( 1 ) having a distal bottom end being provided with a covering foot ( 12 ), an upper extension ( 20 ), and a lower handle shaft tube ( 10 ) affixed to the covering foot and comprising a longitudinal curved first guide groove ( 14 ) on an upper portion; and a canopy ( 30 ) stretched over hinged ribs radiating from a proximal end of the center post ( 1 ) and which is moveable from a collapsed position around the center post ( 1 ) to an extended position from the center post ( 1 ) to provide a shade around the center post ( 1 ), wherein the upper extension ( 20 ) includes an upper first extension tube ( 26 ), a first joining element ( 244 ) affixed in the bottom of the first extension tube ( 26 ) and comprising a lower first threaded extension ( 2444 ) and an axial reinforced first bar ( 2446 ) having an upper end extending out of the top of the first joining element ( 244 ) and a bottom end extending out of the first threaded extension ( 2444 ), a lower second extension tube ( 22 ) slidably disposed in the handle shaft tube ( 10 ) and comprising a longitudinal curved second guide groove ( 222 ) on an outer surface, a second joining element ( 244 A) affixed in the top of the second extension tube ( 22 ) and comprising an upper second threaded extension ( 2444 A), an axial reinforced first bar ( 2446 A) having a top end extending out of the second threaded extension ( 2444 A) and a bottom end extending out of the bottom of the second joining element ( 244 A), and a longitudinal curved third guide groove ( 2443 ) on an outer surface so that the first, the second, and the third guide grooves ( 14 , 222 , 2443 ) are adapted to axially cooperatively engage together, and a dumbbell shaped spirally wound coil spring ( 242 ) including an upper threaded section ( 2424 ) threadedly secured onto the first threaded extension ( 2444 ), a lower threaded section ( 2424 A) threadedly secured onto the second threaded extension ( 2444 A), and a narrow intermediate section ( 2422 ); wherein the handle shaft tube ( 10 ) comprises a row of apertures ( 16 ) directed therethrough, and the second extension tube ( 22 ) includes a depressible spring detent ( 224 ) mounted to a lower portion thereof, the spring detent ( 224 ) being adapted to lockingly project out of one of the apertures ( 16 ); and wherein a diameter of the narrow intermediate section ( 2422 ) is smaller than that of the upper threaded section ( 2424 ) and the lower threaded section ( 2424 A).