Patents Assigned to Apex Welding, Inc.
  • Drop-bottom box
    Patent number: 4423831
    Abstract: A drop-bottom box (11) which has a bottom wall (18) hingedly connected thereto and which is hooked up in closed position by hooks (30) engaging studs secured to the bottom wall, and which hooks (30) are biased to closed position but which may be released from locking position by a lever (32) biased to a closing position by springs (33).
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: January 3, 1984
    Assignee: Apex Welding, Inc.
    Inventor: Richard L. Sipley