SERRATURA CON INVOLUCRO E CON CHIAVISTELLO CURVO, AD ANELLO APERTO, RIADATTABILE A NUOVA CHIAVE

摘要

A shrouded shackle lock having two shell halves with a cover plate in one shell half and a hole in the opposite other shell half. Fastener means positioned in the lock are turnable by a wrench inserted in the hole in the other shell half for removing the cover when the fastener means is disengaged from the cover. Upon the removal of the cover the lock cylinder is removable for rekeying or substitution. The lock shell halves are engaged together using a lock retainer ring welded to one shell half and thereafter bent over and around the other shell half.