ApplicationNo. 06/626213 filed on 06/29/1984
US Classes:137/296, Cap, cover or hood137/371, Covers137/377, Guards and shields137/800, WITH CLOSURE220/211, Motor driven220/363Nonmetallic
ExaminersPrimary: Walton, George L.
Attorney, Agent or Firm
International ClassesE03B 9/00 (20060101)
E03B 9/06 (20060101)
G12B 17/00 (20060101)
G12B 17/08 (20060101)
Foreign Application Priority Data1983-06-29 FR
AbstractThe 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.