Patents Assigned to Meinco Mfg. Co.
  • Impact energy absorber
    Patent number: 4407484
    Abstract: An impact energy attenuator has a housing in front of a roadway abutment. A leading nose piece and a number of impact walls can move toward and away from the abutment. Coil springs urge the nose piece, the several impact walls, and the housing apart. A cable attached to the nose piece is wound around a drum and is spring tensioned to rotate the drum in a take-up direction. Rotation of the drum in the opposite direction is inhibited by a hydraulic pump discharging through a restricted orifice.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: October 4, 1983
    Assignee: Meinco Mfg. Co.
    Inventor: Jan N. Meinzer
  • Energy absorbing impact barrier
    Patent number: 4321989
    Abstract: An impact attenuator for installation along highways particularly at exit lanes from limited access roads is disclosed. The impact attenuator features the use of one or a plurality of novel crash cushions formed of polyurethane foam having a structure therein to help maintain the integrity of structure. The reinforcement may be a wire basket disposed therein. The attenuator is a device having a plurality of telescoping crash sections that nest upon impact.
    Type: Grant
    Filed: January 22, 1980
    Date of Patent: March 30, 1982
    Assignee: Meinco Mfg. Co.
    Inventor: Lester N. Meinzer