Patent ID: 6619428
Filing Date: 2003-09-16
Classification: B60R,E06C

Abstract:
In combination with (1) a ladder having a top end and comprised of a first plurality of rungs defining a first plane, said first plurality of rungs having a top rung having a first end and a second end at the top end of the ladder and (2) a walk-through section to be fixedly or movably secured at or proximate the top end of the ladder comprising:(a) a second plurality of parallel handgrip rungs defining a second plane and having top and bottom handgrip rungs; (b) a third plurality of parallel handgrip rungs defining a third plane and having top and bottom handgrip rungs; said second plane and said third plane being substantially in the same plane; and said bottom handgrip of said second plurality of parallel handgrip rungs being situated proximate the first end of the top rung of said first plurality of rungs at the top end of the ladder; said second plurality of parallel handgrip rungs attached at ends thereof to one side of said walk-through section and said bottom handgrip rung of said third plurality of parallel handgrip rungs being situated proximate the second end of the top rung of said first plurality of rungs at the top end of the ladder; said third plurality of parallel handgrip rungs attached at ends thereof to the other side of said walk-through section corresponding to said third plane, wherein said second plurality of parallel handgrip rungs and said third plurality of parallel handgrip rungs permit a climber of the ladder to maintain a continuum of hand grips during passage into or out of the walk-through section.