E - Fixed Constructions – 06 – C
Patent
E - Fixed Constructions
06
C
228/3
E06C 1/18 (2006.01) E06C 1/12 (2006.01) E06C 1/383 (2006.01) E06C 5/16 (2006.01) E06C 7/46 (2006.01)
Patent
CA 1103629
ABSTRACT OF THE DISCLOSURE Double ladder with rungs which can be retracted and transformed, without dismantling, into a support ladder or a flat extendible ladder which is formed basically by the two parts formed by uprights and rungs in the shape of an open U/channel bar; parts which are interlocked, assembled and held in place by pieces which are concealable in the uprights. (Fig.3)
327793
Fetherstonhaugh & Co.
Loix Gilbert
LandOfFree
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