Automotive spark plug cover

Metal working – Method of mechanical manufacture – Electrical device making

Patent

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Details

156 89, 439125, H01R 1900

Patent

active

059790490

ABSTRACT:
A spark plug cover includes a silicone elastomeric boot that includes a first portion for covering a spark plug terminal area and a second portion including a corrugated portion for covering a lead wire. A seal is provided at each end of the corrugated region. A ceramic shield covers a part of the elastomeric boot adjacent the spark plug terminal area. A recessed portion in the silicone elastomeric boot retains the ceramic shield, and a chamfered surface provided on the silicone elastomeric boot facilitates mounting the silicone elastomeric boot within the ceramic shield.

REFERENCES:
patent: 2904769 (1959-09-01), Sampson et al.
patent: 4810198 (1989-03-01), Sturdevan
patent: 5053092 (1991-10-01), Lachman
patent: 5274298 (1993-12-01), Cassidy et al.
patent: 5297971 (1994-03-01), Nitta et al.

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