Casing with assisted opening for protecting an apparatus in the form of a post
Patent 4556080 Issued on December 3, 1985. Estimated Expiration Date: 
June 29, 2004. 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.
June 29, 2004. 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 References 926027 1086841 2585694 2869576 2923430 InventorAssigneeApplicationNo. 06/626213 filed on 06/29/1984US Classes:137/296, Cap, cover or hood137/371, Covers137/377, Guards and shields137/800, WITH CLOSURE220/211, Motor driven220/363NonmetallicExaminersPrimary: Walton, George L.Attorney, Agent or FirmInternational ClassesE03B 9/00 (20060101)E03B 9/06 (20060101) G12B 17/00 (20060101) G12B 17/08 (20060101) Foreign Application Priority Data1983-06-29 FRAbstractThe casing of the invention comprises a fixed part 1 fixedly mounted to the post 10 below the zone to be protected, this fixed part comprising, on one side of post 10, a support structure 14; a mobile part 15 for covering, in the closed position, the upper part of the post; a mechanical connection mounted between the support structure 14 and the mobile part 15; and an assistance device 22 adapted to exert a force tending to drive the mobile part during its upward movement. | |
