Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2006-11-07
2006-11-07
Hong, John C. (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S464000
Reexamination Certificate
active
07131197
ABSTRACT:
An engine seal installing tool, system and method for facilitating installation of engine seals in a simplified process includes a main screw engageable to an engine shaft. An engine seal is mounted on a seal guide assembly slidably mounted on the main screw. A pressure nut is used to urge the seal guide assembly towards the engine shaft to insert the engine seal into the seal housing surrounding the engine shaft.
REFERENCES:
patent: 2621398 (1952-12-01), Simmons
patent: 3490131 (1970-01-01), Sexton
patent: 5539979 (1996-07-01), Powers
patent: 5893202 (1999-04-01), Graham et al.
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