Engine cover having a retainer to secure an engine accessory

Details Engine cover having a retainer to secure an engine accessory Engine cover having a retainer to secure an engine accessory

2009-07-01

2011-11-29

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

C123S1950HC

Reexamination Certificate

active

08065983

ABSTRACT:
A cam cover for a cylinder head of an internal combustion engine which has an aperture in the cam cover adapted to permit spark plug installation into the cylinder head and two tabs protruding vertically from the cam cover adapted to retain a boss extending from an ignition coil is disclosed. The ignition coil has a portion adapted to fit over the spark plug and an orifice through the boss. The cam cover also has a recess between the tabs with the recess extending into the cam cover which is adapted to accept a self-tapping screw in the event of a tab failure. The tabs have a varying cross-section along their length such that they allow the orifice to be slid over the tabs by them squeezing together and then snapping into place when the orifice clears the ramps on the side of the tabs.

REFERENCES:
patent: 6427674 (2002-08-01), Wylin
patent: 6609508 (2003-08-01), Sexton
patent: 7168879 (2007-01-01), Bertram et al.
patent: 7226233 (2007-06-01), SuBenbach et al.
patent: 7690730 (2010-04-01), Yasuda et al.
patent: 2007/0031185 (2007-02-01), Bertram et al.

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