×

Automatic anti-tilt device for scaffoldings

  • US 4,237,999 A
  • Filed: 06/06/1979
  • Issued: 12/09/1980
  • Est. Priority Date: 06/09/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. In a scaffolding or like structure suspended by means of bearer cables from two or more winches, an automatic intervention device for stopping a tilting movement of said scaffolding which comprises:

  • a safety device suspended from at least one of said bearer cables,a safety cable parallel to said bearer cables and passing through said safety device,a stirrup fixed to said safety device and to which is pivoted said scaffolding in such a manner than said stirrup keeps a vertical position irrespective of the scaffolding inclination,a control lever pivoted to the safety device and adapted, when actuated, to grip said safety device on said safety cable, anda connecting member having one end fixed to said control lever and having its opposite end adapted to be actuated by the scaffolding, in case of a tilting of this scaffolding exceeding a predetermined angle, for actuating in turn said control lever and causing the safety device to grip the safety cable.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×