Sheet delivery device with auxiliary deposit table

Claim 1

A sheet delivery assembly for a printing machine comprising: means for transporting sheets in a sheet transport direction from a printing machine and for delivering sheets to a main sheet board to form a main sheet pile; first and second spaced back sheet stops pivotably suspended at first ends at first and second spaced pivot points from an oscillating bar which extends transversely to the sheet transport direction above said main sheet board and which oscillates in the sheet transport direction, said first and second spaced back sheet stops being engageable with a back edge of a main sheet pile on said main sheet board; and an interim sheet piling board which is insertable into said sheet delivery assembly generally in opposition to said sheet transport direction and is positionable above said main sheet pile to support an interim sheet pile, said interim sheet piling board having a front portion including spaced camming surfaces which diverge with respect to each other and which are engageable with said spaced back sheet stops, a central section of said front portion having a width less than a distance between said first and second spaced pivot points, said camming surfaces engaging said spaced back sheet stops during insertion of said interim sheet piling board into said sheet delivery assembly to pivot said back sheet stops about said spaced pivot points, said back sheet stops being in oscillating engagement with back edges of both said main sheet pile and said interim sheet pile during insertion of said interim sheet piling board and with only said back edge of said interim sheet stack upon completion of insertion of said interim sheet piling board.