Connecting Device for Concealed-Type Top or Bottom Latch for Panic Exit Door Lock

• Main Author: SHEN CHUN-MENG
• Format: Patent
• Language: English
• Published: 18.03.2010
• Subjects: ACCESSORIES THEREFOR; FIXED CONSTRUCTIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HANDCUFFS; KEYS; LOCKS; SAFES; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; WINDOW OR DOOR FITTINGS

A connecting device (40) for a concealed-type latch of a lock for a panic exit door includes a connecting member (46) having an end (464) operably coupled to a latch (128). A draw rod (48) includes an end (484) pivotably coupled to the other end (462) of the connecting member (46) and pivotable between a first position parallel to the connecting member (46) and a second position perpendicular to the connecting member (46). The connecting device (40) can be installed via an end opening (104) in a top or bottom edge of a door (10) into an interior space (102) of the door (10) with the draw rod (48) in the first position. When the draw rod (48) reaches a side opening (106) of the door (10), it is pivoted to the second position for coupling with a follower device (30) of the lock.