Invention Grant
- Patent Title: Tower erecting system
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Application No.: US14860281Application Date: 2015-09-21
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Publication No.: US09856671B2Publication Date: 2018-01-02
- Inventor: Jerald Edward Jones , Valerie Lisa Rhoades
- Applicant: Illinois Tool Works Inc.
- Applicant Address: US IL Glenview
- Assignee: Illinois Tool Works Inc.
- Current Assignee: Illinois Tool Works Inc.
- Current Assignee Address: US IL Glenview
- Agency: McAndrews, Held & Malloy, Ltd.
- Main IPC: E04H12/34
- IPC: E04H12/34 ; E04H12/18 ; B66C23/18 ; F03D13/20 ; F03D13/10

Abstract:
In certain embodiments, a tower lifting system comprises a primary lifting system and a secondary lifting system. The primary lifting system includes a lift cap configured to support a tower section to be lifted, the lift cap having a first plurality of hoists, and a lift pole coupled to the lift cap, the lift pole having a lifting mechanism configured to lift the lift cap, the lift pole, and the tower section to be lifted from within a previously lifted tower section. The secondary lifting system comprises a second plurality of hoists configured to raise the tower section to be lifted to the lift cap from a tower foundation.
Public/Granted literature
- US20160010356A1 TOWER ERECTING SYSTEM Public/Granted day:2016-01-14
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