| 摘要 |
It is an object of the present invention to provide a seat lifter capable of smoothly lifting and lowering both right and left seat frames with respect to respective base members so as to allow a seat to be smoothly lifted and lowered, and a seat having the seat lifter. The seat lifter of the present invention comprises first to fourth link members (4a to 4d), and a coupling member (6) which couples the first link member (4a) and the second link member (4b), and has a first sun gear (62) and a second sun gear (162). The first link member (4a) has a first link body (41) which is interlockably coupled to a first planetary gear group (40) having a plurality of first planetary gears (44), and a planetary-gear operating section (5). The second link member (4b) has a second link body (141) which is interlockably coupled to a second planetary gear group (140) having a plurality of second planetary gears (144). |
