Bowling alley pit assembly and bounce board

A bowling alley pit assembly for transferring bowling pins and balls which fall from an adjacent pin deck to a pin elevator and ball return comprising a base member, a forward and rear portion of said base member and a pair of laterally spaced walls, said base member positioned between said laterally spaced walls in a pit area at one end of a longitudinal bowling alley with said forward portion adjacent to the pin deck of the bowling alley and with said rear portion adjacent to a pin elevating mechanism, a pair of rotatable rollers disposed between said walls, a motor and means operatively connecting said motor to one of said rollers for rotation thereof, an endless belt passing over and around said rollers for rotation therewith with a top surface of said belt moving in a direction away from the pin deck and toward the pin elevating mechanism so that fallen pins will be carried rearwardly toward the pin elevating mechanism, ball deflecting means including a unitary bounce board for guiding a ball laterally across said belt away from the pin elevating mechanism and toward a ball return mechanism, and means for adjusting the position of one of said roller tracking means, said bounce board comprising a unitary elongated plastic structure having upper and lower surfaces, said upper surface including a raised, generally rectangular pattern and a plurality of relatively shallow channels thereon and having two side-by-side relatively flat, longitudinally extending portions which slope downwardly toward the center of said upper surface and which define an obtuse angle at the intersection of said elongated portions, said longitudinally extending portions also having an outwardly diverging recessed area at one end thereof for receiving a bowling ball therein and said lower portions including reinforcing means molded therein.