Fire escape – ladder – or scaffold – Torso harness – With pole encircling or grasping means
Patent
1992-02-24
1992-08-25
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Torso harness
With pole encircling or grasping means
182133, A62B 3500
Patent
active
051410745
ABSTRACT:
In a lineman's pole strap assembly for use on utility poles and the like, the assembly comprising an outer strap and a cross strap attached at its ends to the outer strap so as to define a closed loop encircling the pole, the cross strap is connected to the outer strap by slide members which are interconnected by an elastic tensile member under tension. In normal ascent and descent the cross strap is manually held away from the pole, but is releasable so as to be pulled into tight frictional engagement with the pole and to pull gaffs which are mounted on the slide members into listing engagement with the pole.
REFERENCES:
patent: 3407898 (1968-10-01), Johnson
patent: 4712646 (1987-12-01), Page
Ford Donald R.
Sulowski Andrew C.
Chin-Shue Alvin C.
Ontario Hydro
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