| 摘要 |
An apparatus for automatically gripping and retaining cargo on a platform includes spaced apart hooks for rotation from retracted positions beneath the platform to extended, cargo engaging positions, in which the hooks engage opposite sides or ends of the cargo; a pivot arm rotatably mounted in the platform and normally extending above the platform, the arm being moved downwardly by the cargo to operate linkage assemblies which cause the hooks to rotate upwardly to the cargo engaging positions. The hooks are returned to the retracted positions by foot pedal operated levers beneath the platform.
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