A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A standoff device for an extension ladder for secure support against square or rounded surfaces. The device includes a pair of reinforced brackets with a thin, strong blade for reversible insertion into a wooden pole. The brackets are adjustable within the width of the ladder. Lag screw means are provided for securing the standoff device to the support surface. A universal attachment allows quick and easy attachment and removal of the standoff device for an extension ladder. The standoff device may be adjusted between use and storage positions.
A standoff device for an extension ladder for secure support against square or rounded surfaces. The device includes a pair of reinforced brackets with a thin, strong blade for reversible insertion into a wooden pole. The brackets are adjustable within the width of the ladder. Lag screw means are provided for securing the standoff device to the support surface. A universal attachment allows quick and easy attachment and removal of the standoff device for an extension ladder. The standoff device may be adjusted between use and storage positions.
EXTENSION LADDER STANDOFF DEVICE
DISPOSITIF DE DEGAGEMENT D'ECHELLE DE RALLONGE
BEASSE TIMOTHY M (author)
2019-01-28
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern