A table with a top panel 10 attached to a frame 14 mounted on runners and slidable along a supporting underframe 16 on a base. The top panel consists of a back rest 11 and a seat 12 mutually pivotable about a hinge 13 fastened to the frame. The back rest and the seat are connected to devices...http://www.google.com.tw/patents/US5678263?utm_source=gb-gplus-share專利 US5678263 - Echocardiographic examination table
