E - Fixed Constructions – 06 – C
Patent
E - Fixed Constructions
06
C
E06C 1/22 (2006.01) E06C 1/18 (2006.01) E06C 1/32 (2006.01) E06C 7/06 (2006.01) E06C 7/42 (2006.01)
Patent
CA 2714075
Ladder configurations and components are provided including an outer rail assembly which is longitudinally adjustable relative to an inner rail assembly. The outer rail assembly may include a pair of spaced apart outer rails each fixedly coupled to an associated sleeve or sliding mechanism. Each sleeve is in turn slidably couple to an inner rail of the inner rail assembly. The outer rails may be positioned and oriented at an acute angle relative to the inner rails so as to provide an increased base distance between the two outer rails. Support structures are also disclosed which are coupled at multiple locations along a rail member and at least one location of a rung. Additionally, ladder hinges are disclosed including hinge components configured to effectively transmit loads from associated rails. In one embodiment the hinge may include a pinch prevention mechanism.
Bowers Jack W.
Francis David
Moss Newell Ryan
Oyen Wiggs Green & Mutala Llp
Wing Enterprises Inc.
LandOfFree
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