B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 11/04 (2006.01) A47L 3/02 (2006.01)
Patent
CA 2640940
A workbasket assembly for surrounding and protecting a workman when cleaning or maintaining a tall structure such as a building, tank or silo. The workbasket assembly comprises a frame made up from a plurality of vertical uprights and horizontal rails connected together by a plurality of pivot tabs. The workbasket assembly may be collapsed for storage or transport purposes or so that it may be passed through a relatively small aperture in a structure such as a tank. When expanded, the workbasket assembly is engageable with a hoist-operable base that permits the workman to be safely raised or lowered relative to the structure being maintained. The frame is only movable to the fully collapsed condition when detached from the base. The workbasket assembly can be expanded and collapsed without the use of any tools.
Burlingame Michael J.
Riches Mckenzie & Herbert Llp
LandOfFree
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