Mounting for adjustable back rest on e.g. seat comprises plate attached to seat frame and connected by pivot to plate on back rest which has catch with teeth cooperating with teeth on upper plate to hold back rest in different positions

摘要

The mounting for an adjustable back rest on a seat or bed comprises a plate (2) which is attached to the seat or bed frame and is connected by a pivot (6) to a second plate (3) attached to the back rest. The lower plate has a catch (4) with teeth (9) which cooperate with teeth (8) on the upper plate to hold the back rest in different positions. A locking catch (10) on the upper plate fits over a nose (12) on the lower plate.