Telescoping pole

Claim 1

IN A SECTIONAL, TELESCOPIC POLE COMPRISING A PLURALITY OF TUBULAR, ELONGATED SECTIONS OF PROGRESSIVELY SMALLER SIZE WHICH ARE TELESCOPICALLY INTERFITTED, EACH SECTION HAVING AN INTERNAL SHOULDER SPACED FROM ONE END THEREOF AND HAVING A FIRST RADIAL OPENING THERETHROUGH BETWEEN SAID SHOULDER AND SAID ONE END, A PLUG CLOSING THE OTHER END OF EACH SECTION, SAID PLUG CARRYING A SPRING-URGED PIN WHICH IS EXTENDED THROUGH A SECOND RADIAL OPENING ADJACENT THE OTHER END OF EACH SECTION, THE PLUG HAVING MEANS MOVABLE AGAINST THE SHOULDER OF THE ADJACENT OUTER SECTION AT WHICH TIME THE SECOND RADIAL OPENING ON THE INNER SECTION IS ALIGNED WITH THE FIRST RADIAL OPENING IN THE ADJACENT OUTER SECTION SO THAT THE PIN CAN EXTEND THERETHROUGH TO LOCK SAID SECTIONS TOGETHER, THE IMPROVEMENT WHICH COMPRISES: SAID SECTIONS BEING OF SUCH LENGTH THAT THE DISTANCE BETWEEN SAID FIRST RADIAL OPENING AND THE OTHER END OF EACH SECTION IS EQUAL TO THE CORRESPONDING DISTANCE IN THE ADJACENT LARGER SECTION LESS THE DISTANCE BETWEEN THE CENTER LINES OF THE TWO SECOND RADIAL OPENING IN SAID SECTIONS WHEN SAID PLUGS ARE ABUTTING AGAINST EACH OTHER AND THE DISTANCE BETWEEN THE SHOULDER AND THE FIRST RADIAL OPENING IN SAID SECTIONS BEING IDENTICAL WHEREBY A PLURALITY OF SAID SECTIONS CAN BE DISPOSED WITHIN EACH OTHER WITH THEIR FIRST RADIAL OPENINGS IN ALIGNMENT, AND THE PIN ON THE INNERMOST OF THE THUS TELESCOPED SECTIONS CAN SIMULTANEOUSLY EXTEND INTO ALL OF SAID ALIGNED FIRST OPENINGS.