F - Mech Eng,Light,Heat,Weapons – 16 – M
Patent
F - Mech Eng,Light,Heat,Weapons
16
M
228/10, 304/15
F16M 11/00 (2006.01) E06C 7/44 (2006.01)
Patent
CA 1297849
ABSTRACT OF THE DISCLOSURE: The present disclosure describes an adjustable base assembly for supporting a ladder for compensating for an uneven foundation surface or to enable the ladder to be inclined at a desired angle. The assembly comprises an attachment structure including an upper, transversely extending bar which carries a holder for embracing and securing the sidepieces of the ladder, the bar being firmly connected via a spacer device. The spacer device presents an upper, transversely extending U-shaped strut which embraces an arcuate part and which can be clamped firmly to the arcuate part. The assembly also comprises a U-shaped strut extending across the arcuate part in a chordal manner. The strut can be clamped with a friction-locking action against the arcuate part with the aid of a clamping device which extends centrally through the U-shaped strut and which can be screwed into the spacer device.
588376
Robic
Warnelov Johnny
LandOfFree
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