at approximately the center of each a release button 32 at the handle 26 of the stem 16 allows the runner 30 to move along the stem 16 to collapse the umbrella 10 as mentioned above the embodiments of fig6 29 are differentiated only by the varied use of spars 24 and side riggers 34 for supporting the canopy 12 of umbrella 10 to allow better illustration of the frame 14 in each of the embodiments the canopy has been left out of the drawings of fig6 29 in the embodiment of fig6 12 three spars 24 are used with each spar 24 being attached to an of hinge 22 b the spars 24 do not necessarily connect at the free end and may actually be shorter than those illustrated attachment of the spars 24 to the of hinges 22 b permits the greatest amount of compaction of the folded umbrella to occur the embodiment of fig2 26 includes only a single spar 24 attached to the if hinge 22 a of the stem 16 as a single spar 24 it may be necessary to extend such a distance greater than those of the previous embodiment attachment to the stem hinge creates the necessary u201c head area u201d beneath the canopy 12 slightly different from the previous two embodiments the umbrella 10 of fig1 19 uses side riggers 34 to extend spars 24 into the center of the frame periphery and outward from the frame 14 the side riggers 34 and spars 24 elevate the canopy 12 but not just interior to the frame 14 the spars 24 b allow the canopy to extend beyond the frame 14 for a much larger coverage area as with the previous three spar embodiment the spars.