with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening

Full Title

Arrangement of simultaneously-actuated bolts or other securing devices at well-separated positions on the same wing > with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES

Subclass:

BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS