Erectable shelter with collapsible central roof support

In a telescoping pole assembly for an erectable, collapsible shelter having a plurality of legs, the telescoping pole assembly comprising a plurality of telescoping pole members being mounted to the legs, said telescoping pole members each including first and second hollow telescoping sections slidably connected together, said first telescoping section being slidably disposed within said second telescoping section, and a spring loaded detent pin mounted to said second telescoping section, the improvement in the telescoping pole assembly comprising:

• a weighted internal stop member slidably disposed within the first telescoping section for movement between a first position and a second position, the internal stop member blocking the spring loaded detent pin in the first position, and the internal stop member not blocking the spring loaded detent pin in the second position.