Original Assignee Schlegel UK Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) If the small opening in the metal keeper plate gets stuck, the entire lock mechanism will be. If the deadbolt won’t turn from inside, it could be that the core issue lies in a metal keeper plate jam. Guymer Current Assignee (The listed assignees may be inaccurate. This requires a thorough inspection of the deadbolt structure, which is best performed by a professional. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/769,910 Other languages English ( en)
#DEADLOCK LATCH PDF#
Google Patents US4132438A - Deadlock latchĭownload PDF Info Publication number US4132438A US4132438A US05/769,910 US76991077A US4132438A US 4132438 A US4132438 A US 4132438A US 76991077 A US76991077 A US 76991077A US 4132438 A US4132438 A US 4132438A Authority US United States Prior art keywords hub bolt member latch deadlock fully closing Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. If you are unsure which lock or latch you need, please see our helpful article Which Lock Or Latch Do You Need and What is a Mortice Lock/Latch Secure Online Payments. Similar to latches, deadbolts engage (or release) when the tumbler rotates to the proper position and the pins move into alignment.
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