发明名称 Gravity lift chair
摘要 A chair for use with a plurality of such chairs arranged in rows to provide an aisle between adjacent rows of chairs when the chairs are not in use comprising a frame assembly configured to operatively support a seat assembly including a seat movable between a raised or upright position when not in use and a lowered or deployed position when in use and a seat positioning assembly coupled to the seat to normally maintain the seat in the raised or upright position.
申请公布号 US6293621(B1) 申请公布日期 2001.09.25
申请号 US19990326724 申请日期 1999.06.07
申请人 ALL STAR BLEACHERS 发明人 MARSH DONALD C.;BUCKNER GREGORY L.
分类号 A47C1/121;A47C7/56;(IPC1-7):A47C1/02 主分类号 A47C1/121
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