Description
Class D03C : SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
Subclass 1/28: Dobbies Features common to dobbies of different types (stop motions acting on defective operation of shedding mechanisms D03D 51/46) Facilitating engagement of lifting-hooks with draw-knives by creating and then eliminating back-lash between hooks and knives