초록

A hook device for hanging outside of a building window opening for supporting one end of a scaffold plank, the device being shaped with a hook at one end and a loop at its other end and also including a steadying cross brace fitted with bolts to abut the building wall face.

대표청구항 ▼

A sky hook for supporting one end of a scaffold plank outside of a building window opening, comprising in combination a strong, rigid member formed with a hook at one end for hooking over a window ledge and a loop at its opposite end for said plank to fit therein, and a steadying cross brace across

A sky hook for supporting one end of a scaffold plank outside of a building window opening, comprising in combination a strong, rigid member formed with a hook at one end for hooking over a window ledge and a loop at its opposite end for said plank to fit therein, and a steadying cross brace across said member fitted with a bolt adjacent each end thereof for abutting against a building wall to securely space the rigid member from the wall, one of said bolts being located along said cross brace at a greater distance from said rigid member than the other bolt, such that a rotational threading of said one bolt causes less movement of said rigid member than rotational threading of said other bolt, whereby said one bolt provides for fine adjustment and said other bolt provide for course adjustment.