Patents Assigned to Wharncliffe Fabricators & Engineers Limited
  • Electrical safety control device for a variable radius crane
    Patent number: 3990584
    Abstract: A safety device for a crane including means for continuously comparing an actual load carried by a lifting hook with an indicated maximum safe working load for that particular working radius.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: November 9, 1976
    Assignees: Strawson Hydraulics (Consultants) Limited, Wharncliffe Fabricators & Engineers Limited
    Inventors: Kenneth Horace Strawson, Keith Thomas Salvin, David Silvester Lane