The seat device comprises a U-shaped seat frame, a curved part, a diaphragm bracket area connected with a variable bracket, and a curved strip downward; used for manufacturing a seat device.

摘要

Device of seat which comprises a Seat Frame u-shaped portion with a Curved Surface, a support bracket of the Diaphragm acopado variableA Spreader Bar Curved downwards; method to Fabricate a device SEAT.