6 6 39 and two clamps 7 7 39 fixing collars 8 8 39 are mounted on both sides of circular band 4 on each side of fixing piece 5 into which rotating shafts 9 9 39 are inserted and have inner ends of shafts 9 9 39 to which the operating rods 10 10 39 are fixed and outer ends of shafts 9 9 39 to which folding legs 11 11 39 are fixed respectively on the upwardly extended fixing piece 5 there is slidingly mounted the sliding plate 13 including sliding cam 12 formed at the lower portion adjacent to fixing piece 5 the sliding shaft 16 including the sliding cam roller 15 integrally at its center is inserted into the slant cam surface 14 of the sliding cam 12 to be operated therein both ends of sliding shaft 16 are inserted into the inserting openings 17 17 39 formed at one end of operating levers 10 10 39 which are mounted on the fixing collars 8 8 39 of the circular band 4 and then the separating prevention washers 18 18 39 are fixed at both ends of the sliding shaft 16 protruded externally from the inserting openings 17 17 39 also operating rod 19 and spring ring 20 are attached to the lower portion of the sliding cam 12 the operating bar inserting pipe 22 is affixed at the lower end of upwardly extended fixing piece 5 by inserting it into the center portion of the attaching piece 21 fixed to case 3 by means of bolts 6 6 39 the lower portion of inserting pipe 22 is inserted into the lower cover 23 of cylindrical case 3 fixed to the lower portion of the golf bag a the operating bar.