performing both movements simultaneously, e.g. screwing into a keeper

Full Title

Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively > both moving axially and turning about their axes to secure the wing > performing both movements simultaneously, e.g. screwing into a keeper

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