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7284746 |
Clamping apparatus and apparatus for use in erecting temporary guard rails
An apparatus for use in clamping a structure at its edge, the structure having opposed surfaces, the apparatus comprising a stanchion, a first clamping assembly attached to the stanchion and a...
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7255312 |
Guard rail safety system
A support post and safety fence assembly in which the post has a telescoping inner and outer tube and is supported on a threaded internal shaft coupled to a floor engaging end and ceiling engaging...
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7234689 |
Clamping apparatus and apparatus for use in erecting temporary guard rails
An apparatus for use in clamping a structure at its edge, the structure having opposed surfaces, the apparatus comprising a stanchion, a first clamping assembly attached to the stanchion and a...
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6908075 |
Safety railing system
Upright stanchions with supports for removable horizontal safety rails have bottom end portions supported on base units that, in turn, are secured to wall framing from the inside of the framing.
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