Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Charles Robert Marks Edward
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Norske Laase & Beslagfabriker As
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Norske Laase & Beslagfabriker As
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Application filed by Norske Laase & Beslagfabriker AsfiledCriticalNorske Laase & Beslagfabriker As
Application grantedgrantedCritical
Publication of GB191322481ApublicationCriticalpatent/GB191322481A/en
22,481. Marks, E. C. R., [Aktieselskabet De Forenede Norske Laase & Beslagfabriker]. May 14, 1914. Locks, revolving-barrel. - Relates to a combined revolving-barrel safety lock and ordinary door lock arranged to be operated from either side of the door. The key pin 2 is formed integral with a disk 6 rotated from the outside by the end of the key, and is provided with a detachable knob 5 on the inside. By turning the knob on the inside after the door has been locked, the slot 9 in the disk 6 is moved out of line with the key slot, so that the lock can no longer be operated from outside.
GB191322481D1914-05-141914-05-14An Improved Lock for Doors and the like.
ExpiredGB191322481A
(en)