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Scaffolding

  • US 3,938,290 A
  • Filed: 02/04/1974
  • Issued: 02/17/1976
  • Est. Priority Date: 02/04/1974
  • Status: Expired due to Term
First Claim
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1. A scaffolding framework comprising:

  • a. a plurality of spaced, vertical scaffolding poles, each having at least one pair of diametric lugs extending transversely therefrom at opposite side thereof and intermediate the ends thereof,b. at least one horizontal pole having a scaffolding joint at each end thereof for engaging respective of said vertical poles,c. each scaffolding joint comprising a pair of vertically disposed cheek plates spaced from each other and projecting beyond said end of said horizontal pole and forming an open-sided vertical channel therebetween receiving an intermediate part of an adjoining vertical pole, the width of the opening in the side of the channel being sufficient for said vertical pole to pass laterally therethrough and each of said cheek plates having a downwardly open recess therein engaging one of said pair of lugs on the adjoining vertical pole,d. whereby said horizontal pole is supported against axial movement by the lugs and may be lowered and raised to cause said open recesses in said pair of cheek plates to engage and disengage respectively said pair of lugs and, when raised, may be moved horizontally towards and away from said vertical pole to cause the intermediate part of said vertical pole to pass through the opening in said vertical channel.

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