Interlock system for container handler twist lock

Details Interlock system for container handler twist lock Interlock system for container handler twist lock

B - Operations, Transporting

65

G

294/51

B65G 63/06 (2006.01) B66F 9/18 (2006.01)

Patent

CA 1155472

INTEPLOCK SYSTEM FR CONTAINER HANDLER TWIST LOCK ABSTRACT OF THE DISCLOSURE A spreader frame assembly for engaging,lifting and transporting freight containers includes a pair of parallal spaced-apart lifting beans.A twist lock is connected at each end of each beam for engagement with a respective corner fitting of a container.Each twist lock includes a shank projecting downwardly from the respective lifting beam. The lower end of the shank is capable of lifting engagement with the corner fitting when the shank is rotated in a selected direction. A circular disc is rigidly connected to the upper end shank.A hydraulically actuted mechanism is connected to simltaneously rotate the shanks. A pin having an enlarged upper portion has a first position when the enlarged upper portion of the pins is received in a recessed portion in each portion disc to prevent rotation of the respective shank from its no-lift position, and has a second position where the upper portion of the pin is raised above the disc so that the shank may be rotated to a lift postion. 0

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