Patents Assigned to 501 Union Special G.m.b.H.
  • Drive device for a reciprocating part
    Patent number: 5051678
    Abstract: A drive device for a reciprocating part having a part which is connected to a stepping motor whose direction of rotation can be changed. The stepping motor is reciprocatingly actuated in a single step length between no more than two step positions, such that it is possible to move the reciprocating part backwards and forwards in a predetermined manner in a simple and reliable way.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: September 24, 1991
    Assignee: 501 Union Special G.m.b.H.
    Inventors: Gunter Rohr, Wolfgang Norz, Horst Pordzik