Tool kit for removal of broken spark plugs

Details Tool kit for removal of broken spark plugs Tool kit for removal of broken spark plugs

2008-04-15

2010-10-19

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Stud-removal and implacement

C029S426100

Reexamination Certificate

active

07814814

ABSTRACT:
A kit for removal of a broken spark plug from a cylinder head includes first and second tools. The first tool is designed to position a broken porcelain element into the spark plug tip so that the second tool may be utilized to engage the tip by threading into the tip and thereafter axially withdraw the plug tip from the cylinder head by rotation of the tool.

REFERENCES:
patent: 2547986 (1951-04-01), Van Dermark et al.
patent: 2589935 (1952-03-01), Guisti
patent: 2670639 (1954-03-01), Flowers et al.
patent: 3305921 (1967-02-01), Morse
patent: D354665 (1995-01-01), Greenland et al.
patent: 6640673 (2003-11-01), Ploeger et al.
patent: 2008/0190245 (2008-08-01), Badman et al.
Idea Disclosure Agreement No. 05-362 dated Aug. 21, 2005 by Mike Smith for a spark plug.
Idea Disclosure Agreement No. 07-421 dated Sep. 11, 2007 by Kevin Blair for a spark plug electrode removal tool.
www.pten.com, Cal-Van's Ford spark plug extractor.
www.motoralldata.com, Technical Service Bulletin, TSB 06-15-2, Feb. 20, 2008, Ignition System—Spark Plug Removal Instructions.

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