Portable heliport

In a portable heliport,

• a central deck,
• a plurality of deck extensions,
• hinge means connecting the deck extensions to the central deck,
• means for supporting the heliport by a helicopter for transport,
• folding leg means connected to the deck extensions,
• and second leg means connected to the central deck,
• some of the leg means being telescopic,
• the telescopic leg means including fixed tubes, extensible tubes telescopic relative to the fixed tubes, and releasable split clamp means for holding the extensible tubes in adjusted positions relative to the fixed tubes,
• the extensible tubes having threaded portions and being rotatable,
• the split clamp means having thread segments for engaging the threaded portions.

In a portable heliport

• deck means,
• and leg means for supporting the deck means and including at least one extensible leg,
• said extensible leg including a fixed leg section secured to the deck means, an extensible leg section telescopic relative to the fixed leg section, and quickly releasable locking means comprising a split clamp for holding the extensible leg section in a plurality of extended positions relative to the fixed leg section,
• the split clamp including a pair of arms, a pair of opposed thread segments on the arms, and quick release actuating means for opening and closing the arms relative to the extensible leg section,
• the extensible leg section having an external thread adapted to interlock with the thread segments when the arms are closed.