Mounting for back rest of seat comprises base plate on seat frame and rotating plate attached to back rest which is fitted with bolts which slide in straight and curved slots in base plate, allowing back rest to rotate through 90 degrees

摘要

The mounting for the back rest of a seat comprises a base plate (2) which is mounted on the seat frame and a rotating plate (3) which is attached to the back rest. This is fitted with bolts (20, 25) which slide in straight (8) and curved (15) slots in the base plate, allowing the back rest to rotate through 90[deg].