公开(公告)号：USD522752S1

公开(公告)日：2006-06-13

申请号：US29219536

申请日：2004-12-17

申请人： Edwin B. Brown, Sr. ,  Jeffrey R. Hattem, Sr. ,  John H. Baker

设计人： Edwin B. Brown, Sr. ,  Jeffrey R. Hattem, Sr. ,  John H. Baker

公开(公告)号：US06654973B2

公开(公告)日：2003-12-02

申请号：US09863284

申请日：2001-05-24

申请人： Christian Van Den Heuvel ,  Francis M. LeGasse ,  Jeffrey R. Hattem ,  Joseph L. LeGasse ,  Michael Catoe

发明人： Christian Van Den Heuvel ,  Francis M. LeGasse ,  Jeffrey R. Hattem ,  Joseph L. LeGasse ,  Michael Catoe

IPC分类号： A61G100

CPC分类号： A61G1/0567 ,  A61G1/0212 ,  A61G1/0262 ,  A61G7/012 ,  A61G7/1019 ,  A61G7/1021 ,  A61G7/1046 ,  A61G7/1057

摘要： A lift-assisted device including a seat portion; a seat support portion which supports the seat portion; a base portion; an undercarriage portion which comprises of at least one scissor linkage member, each scissor linkage member including a first member pivotable connected to a second member near a center portion of the first and second member; a pneumatic bag located between the seat portion and the base portion; a pneumatic cylinder located between the seat portion and the base portion; a pneumatic powering means for powering the pneumatic bag and/or pneumatic cylinder and wherein the first member and second member are slidably connected to the seat portion on one end and fixedly connected to the base portion on an opposite end.