Electrical connector for engine spark plugs - has contact element formed with spring sections locating in groove on plug and retained by ring spring

摘要

The electrical connector has a bush (6) with a thin walled end section divided into two spring elements (5) by having a gap along the centre line. The end of the plug has a circular section with an end profile (3) formed with a groove and a tapered lead in (7) of insulating material. The spring contact elements have tip sections (8) that engage the groove. A ring spring (9) applies a retaining force. ADVANTAGE - Good mechanical retention of contact.