Magnetically actuable safety apparatus
Patent 4135320 Issued on January 23, 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. 05/781033 filed on 03/24/1977US Classes:42/70.01, SAFETY MECHANISM42/66, Safety devices42/99Magnetic 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 the apparatus which is particularly useful in preventing the unauthorized firing of a weapon or operation of other touch-actuable devices. The apparatus typically comprises a magnetically actuable member slidably mounted in a housing and magnetic biasing means juxtaposed the magnetically actuable member for maintaining the member in blocking relationship with the part. A magnetic means is provided from without the device for overcoming the attraction or repulsion of the matnetic biasing means, whereby the part is free to move.Field of SearchSafety devices | |
