Magnetically actuable safety apparatus for preventing unauthorized actuation of a touch-operable device
Patent 4154014 Issued on May 15, 1979. Estimated Expiration Date: 
March 24, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 24, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesTrigger inhibiting mechanism Safety device for preventing the unauthorized firing of a weapon Patent #: 4067132 InventorApplicationNo. 05/781007 filed on 03/24/1977US Classes:42/70.01, SAFETY MECHANISM42/66, Safety devices42/70.06, Trigger lock42/99Magnetic holding devicesExaminersPrimary: Jordan, Charles T.Attorney, Agent or FirmInternational ClassesF41A 17/00 (20060101)F41A 17/06 (20060101) AbstractAn apparatus for selectively blocking movement of a part of a device employing said apparatus which is particularly useful in preventing the unauthorized firing of a weapon or removal of screw caps or operation of other touch actuated devices. The apparatus typically comprises a magnetically actuable member mounted to a resilient material which material is mounted to the device for selectively disposing the magnetically actuable member in a conflicting relationship for blocking movement of the part. Magnetic means is provided from without the device and juxtaposed the magnetically-actuable member for attracting or repelling the member out of the blocking relationship with the part whereby the part is free to move.Field of SearchSafety devices | |
