Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Reexamination Certificate
2008-03-04
2008-03-04
Kramer, Dean J (Department: 3652)
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
C029S270000
Reexamination Certificate
active
07338101
ABSTRACT:
A unique, new and useful structure and method is provided for effectively and efficiently engaging and manipulating a crossover tube of a gas turbine. The tool is manipulated to a gripping position in which it securely engages the spring loaded locks of a crossover tube while applying a reaction force to a portion of the burner basket that is associated with the crossover tube, so that manipulating the handle manipulates the crossover tube that is engaged by the tool. A preferred version of the tool has specially designed structure for coupling a handle with the gripper and follower structure such that the tool can effectively and efficiently reach and manipulate crossover tubes that are in particularly difficult to reach areas of a gas turbine.
REFERENCES:
patent: 4553305 (1985-11-01), Dearman
patent: 4936500 (1990-06-01), McClure
patent: 5228181 (1993-07-01), Ingle
patent: 5481793 (1996-01-01), McClure
patent: 6443515 (2002-09-01), Wu
patent: 6477773 (2002-11-01), Wilson et al.
“Fundamentals of Aircraft Gas Turbine Engines”. SweetHaven Publishing Services, 4 pages, updated Jan. 25, 2005.
Kramer Dean J
Oremland, P.C. Lawrence R.
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