Patent ID: 8484903

Claim:
A seating system comprising: a plurality of seating risers configured to telescope relative to one another from a retracted position to a deployed position, said seating risers including a lower level riser and a higher level riser; a roller guide assembly to guide the telescopic movement of the seating risers between said retracted and deployed positions; a lock assembly to lock said lower level riser relative to said higher level riser when said lower level riser is in a deployed position such that, when said lock assembly locks said lower level riser relative to said higher level riser, said lower level riser is restricted from telescoping relative to said upper level riser toward said retracted position; and wherein said lock assembly includes a lever arm and a lock pin operably connected to one of said lower level riser and said higher level riser, said lock pin configured to engage with the other of said lower level riser and said higher level riser to lock said lower level riser relative to said higher level riser.