Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Patent
1996-04-18
1998-01-27
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
182187, E06C 110
Patent
active
057113998
ABSTRACT:
A portable, hunter's ladder, useful in climbing trees comprising a pair of tubular rails radiused at each end forming a generally "C-shaped" configuration with their ends turned at oblique angles towards each other. A plurality of rungs, spaced along the rail's length, hold the rails in a substantially parallel relationship and are spaced at regular intervals except for the uppermost rung which is placed adjacent the upper, rail radius leaving an unequal spacing between the upper two rungs. Thus providing the climber with a better footing advantage when traversing around a tree to avoid limbs or when transferring to another ladder or tree stand.
REFERENCES:
patent: 1280456 (1918-10-01), Harmon
patent: 2187286 (1940-01-01), Tillman
patent: 4492286 (1985-01-01), Lemire
patent: 5277273 (1994-01-01), Grimes
patent: 5509499 (1996-04-01), Prejean
Chin-Shue Alvin C.
Ray David L.
LandOfFree
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