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US 2011/0226548 A1Published application
Portable vehicle-stabilized mast and fall protection system
AssigneeAker Solutions Americas Inc.
InventorsMark WITLAM, Chad ALESSI
Life of this patent
Estimating the term…
Abstract
Deployable fall protection systems and components are disclosed for protecting against worker falls in cargo handling operations. Workers wearing harnesses are attached to a lifeline supported from overhead, the support being attached to ground-standing mast assemblies stabilized by the weight of a vehicle parked on a foot portion of the mast assembly.
Claims16
A portable mast assembly for a fall protection apparatus comprising:
- a foot configured to allow a vehicle wheel to be driven on and off the foot and parked thereon;
- and
- a mast mounted on and extending up from the foot, the mast disposed to permit said driving and parking, the mast having a rigging attachment point distal from the foot,
- whereby the mast assembly is stabilized when the vehicle wheel is parked on the foot.
1 more element
A vehicle stabilized portable fall protection system comprising:
- first and second portable mast units, each said mast unit having a base and a mast mounted on and extending vertically from the base to a distal point, each said mast unit configured to allow a vehicle to be driven upon the base;
- and
- a mast-to-mast member disposed between and attached at the distal points of the first and second mast units,
- whereby a vehicle disposed upon the base of each mast unit stabilizes the system to permit the mast-to-mast member to become stably load bearing.
1 more element
Dependencies are inferred from the claim text.