SHAPED-HEAD LOADS GRIPPING DEVICE Russian patent published in 2000 - IPC

FIELD: lifting and transportation facilities; grippers. SUBSTANCE: proposed device has housing with fitted-on pin and lock, and gripping member with grip head provided with blind hole for load shaped head and holes for balls engaging with load shaped head and bushings fitted on housing. First bushing has shaped slots with chamfers for engaging with pin and vertical chute-like grooves for engagement with lock. Second bushing is provided with grooves engaging with balls installed in housing at two levels. Screw chute-like grooves for engagement with lock are made in first bushing. Screw chute-like grooves connect pairs of vertical chute- like grooves. Direction of screw chute-like grooves coincides with direction of chambers of shaped slots playing the same part as indicated grooves. EFFECT: increased reliability of device. 3 dwg