Bellows has supporting frames mounted in its outward-facing folds which are connected by two pairs of leaf springs, free ends of springs in each pair being connected to form V and upper pair pointing up and lower pair pointing down

摘要

The bellows has supporting frames (2) mounted in its outward-facing folds. These are connected by two pairs (14) of leaf springs. The free ends of the springs (15, 16) in each pair are connected to form a V, the upper pair pointing up and the lower pair pointing down.