The elastomeric mat includes at least one distributed array of {HEAD ~ hollow protuberances} that extend toward and contact one of the first and second force translation plates, and the mat has a stiffness that allows the hollow protuberances to collapse and activate {TAIL ~ the switch mechanism} when an occupant having a specified or higher weight sits on the seating surface 
The elastomeric mat includes at least one distributed array of { HEAD ~ hollow protuberances } that extend toward and contact one of the first and second force translation plates , and the mat has a stiffness that allows the hollow protuberances to collapse and activate { TAIL ~ the switch mechanism } when an occupant having a specified or higher weight sits on the seating surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH