Connection device in an ignition system
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United States of America Patent
Stats
-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Apr 2, 1985
filing date -
Aug 5, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A connection device in an ignition system for transferring current to the spark plugs of an internal combustion engine includes a comparatively rigid outer sleeve intended to surround an upper portion of a spark plug, a contact for conductive communication with a central electrode of the spark plug, an elastic inner sleeve surrounded by the outer sleeve for tightly sealing against the upper portion of the spark plug when the connection device is fitted to the spark plug, a space being formed between the outer sleeve and the inner sleeve for allowing radial expansion of the inner sleeve, the outer sleeve and the inner sleeve having lower portions which include coacting portions for transferring force between the outer and inner sleeves, whereby for an upwardly directed force on the connection device fitted to the spark plug, force is transferred from the outer sleeve to the inner sleeve, and causes the inner sleeve to relinquish the spark plug.
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