Patent ID: 8579084

Claim:
A founding chair for a founding ladder system, said founding chair including two opposed side members with each side member including a front edge, a top edge, and a diagonal edge; said diagonal edge including a series of open notches for adjustably securing said founding chair to a founding ladder; said founding chair including a fixed top member extending between said opposed side members and generally parallel to and positioned below said top edge; a bracing arrangement extending between said opposed side members and below said fixed top member; and a variable scaffold support plate positioned above and in engagement with said fixed top member; said variable scaffold support plate including a planar top surface; said variable scaffold support plate pivoting on said fixed top member about a pivot axis extending across said fixed top member whereby an angular position of said planar top surface relative to said front edge is adjustable, wherein said fixed top member and said variable support plate cooperate to define a central support surface therebetween that includes said pivot axis, said variable scaffold support plate including a releasable locking arrangement for securing said variable scaffold support plate at different angular positions on said fixed top member; wherein said fixed top surface includes a raised central portion extending between said opposed side members and said variable support plate pivots on said raised central portion.