B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 11/04 (2006.01) B66B 9/02 (2006.01) B66B 9/16 (2006.01) B66F 3/08 (2006.01) B66F 3/18 (2006.01) E04G 3/28 (2006.01)
Patent
CA 2724363
A load displacement apparatus to displace a mobile platform along a structure includes a worm screw mounted on the platform for rotation about its axis that meshes with a plurality of support blocs mounted on the structure. The support blocs are spaced apart from one another along the structure to be successively engaged by the worm screw. Each support bloc includes a plurality of bearing balls freely movably supported and retained therein to selectively and movably engage the worm screw over at least an arc segment thereof such that the worm screw is always in meshing engagement with at least one of the support blocs. The invention also refers to a scaffolding system incorporating the apparatus.
Delaney Technologies Inc.
Equinox
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