Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Donald A. Hoffend, Jr.0
Date of Patent
November 13, 2007
0Patent Application Number
114638230
Date Filed
August 10, 2006
0Patent Primary Examiner
Patent abstract
A lift assembly having a drum rotatably mounted to a frame and linearly translatable with respect to the frame. A plurality of head blocks are connected to the frame along a helical mounting path, wherein linear translation of the drum during takeoff or take-up maintains a predetermined fleet angle between a take off point from the drum and the head block. A loft block is disposed within the frame for defining a vertical cable path from within a footprint of the frame.
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