A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A leveling apparatus for a ladder includes a boot that has opposed pairs of long and short walls surrounding a rectilinear volume that is open at upper and lower ends of the boot; a sleeve formed integrally at one of the longer walls of the boot and extending generally parallel to the walls of the boot; a clamping fastener threadedly mounted in another wall of the boot; a shank slidingly housed in the sleeve; and a connector engaging the shank and the sleeve to hold the shank in a position selected from a plurality of pre-determined positions along the sleeve.
A leveling apparatus for a ladder includes a boot that has opposed pairs of long and short walls surrounding a rectilinear volume that is open at upper and lower ends of the boot; a sleeve formed integrally at one of the longer walls of the boot and extending generally parallel to the walls of the boot; a clamping fastener threadedly mounted in another wall of the boot; a shank slidingly housed in the sleeve; and a connector engaging the shank and the sleeve to hold the shank in a position selected from a plurality of pre-determined positions along the sleeve.
LADDER LEVELING APPARATUS
MOSELSKY WILLIAM (author)
2015-07-16
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern