Security unit for a hanging stage scaffolding
OwnerMichel Cavalieriinventor
Life of this patent
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Abstract
A security unit for a hanging stage scaffolding motorized by two electric winches of which each is supplied through a control circuit, said stage having a platform or gondola directly or indirectly suspended by two lugs pivotally mounted on each of said winches, respectively, characterized in that each lug carries a pin adapted to penetrate a slit in a slide to move towards the left or right said slide according to the default of the gondola to the horizontal, the displacement of said slide being adapted to bring it in contact with the opening thereof.
Claims8
A security unit for a hanging stage scaffolding motorized by two electric winches of which each is supplied through a control circuit, said stage having a platform or gondola directly or indirectly suspended by two lugs pivotally mounted of each of said winches, respectively, characterized in that each lug carries a pin adapted to penetrate a slit in a slide to move towards the left or right said slide according to the default of the gondola to the horizontal, the displacement of said slide being adapted to bring it in contact with a switch included in said control circuit and to cause the opening thereof.
Dependencies are inferred from the claim text.