Patents Assigned to J. H. Beales Steel Fabricators, Ltd.
  • Quick-release coupler
    Patent number: 4214840
    Abstract: A coupler for removably coupling a tool attachment at an end of a supporting arm of a powered digging or material-moving machine. The coupler includes a latch which permits quick interchanging of tool attachments on the arm. One embodiment provides a means for remotely disengaging the latch so that a machine operator may interchange tool attachments without having to dismount the machine to manually assist interchanging of attachments.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: July 29, 1980
    Assignee: J. H. Beales Steel Fabricators, Ltd.
    Inventor: John H. Beales