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Personnel trolley and elevator platform for a cargo container handling gantry crane

  • US 4,858,775 A
  • Filed: 02/12/1988
  • Issued: 08/22/1989
  • Est. Priority Date: 02/12/1988
  • Status: Expired due to Fees
First Claim
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1. In a personnel trolley and elevator platform for a cargo container handling gantry crane having a lifting spreader trolley mounted for movement on lifting spreader trolley rails mounted on the gantry thereof, controlled from an elevated cab, said gantry including a boom having an outboard end, the invention comprisingan independent self-powered personnel trolley mounted on said rails and having a personnel elevator platform reeved thereto and suspended thereunder, said personnel trolley being disposed or position on the gantry between said lifting spreader trolley and the outboard end of said boom and,wire rope drums for lifting and lowering said elevator platform,lift and lower and horizontal movement controls for said personnel trolley and elevator located in said elevator platform, andmeans for guiding the wire rope reeving of the crane relative to the personnel trolley when the reeving or the personnel trolley more relative to each other.

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