B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
187/1.1
B66F 11/04 (2006.01)
Patent
CA 1138785
ADJUSTABLE SCAFFOLD ASSEMBLY FOR TRUCKS AND THE LIKE ABSTRACT OF THE DISCLOSURE A portable scaffold assembly is detachably mounted upon a truck body or the like and includes a pair of spaced apart support frames each carrying a spaced and parallel main boom assembly pivoted one to each support frame. Tele- scopic portions engage the distal ends of the main booms and support a scaffold structure. A scissor assembly extends between each main boom and the corresponding base frame and a fluid operated ram connects to the scissor assembly for extending and retracting same and hence for elevating and lowering the main booms together with the scaffold structure. A first cable is operatively connected between the scaffold structure and the boom for maintaining the scaffold structure level as same is raised and lowered. A second cable is operatively connected between the main boom assembly and the base frames for automatically extending the telescopic por- tions as the booms are raised. A further cable and spring assembly extends between the telescopic boom and the support frames for returning the telescopic booms as the boom assem- blies are lowered.
358962
Ade & Company
Keen Stephen
LandOfFree
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