Invention Grant
- Patent Title: Tower erecting system
- Patent Title (中): 塔架设系统
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Application No.: US13720535Application Date: 2012-12-19
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Publication No.: US09140029B2Publication Date: 2015-09-22
- 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: Fletcher Yoder P.C.
- Main IPC: E04H12/18
- IPC: E04H12/18 ; E04H12/34 ; B66C23/18 ; F03D11/04 ; F03D1/00

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
- US20130186013A1 TOWER ERECTING SYSTEM Public/Granted day:2013-07-25
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