Patent ID: 7455536

Claim:
A contact element for electrically contacting ignition components, said contact element comprising a hollow outer sleeve, a hollow bush, a hollow cup and an axially acting compression spring, wherein said hollow outer sleeve comprises inner walls and an open end, said inner walls comprise a first stop opposite to said open end; wherein said hollow bush is inserted in said open end of said hollow outer sleeve; wherein said hollow cup further comprises a cup bottom and a contact face; and wherein said hollow cup is displaceable within said bush under or against the action of said axially acting compression spring until a second stop in the hollow bush, said compression spring comprising first and second spring ends; wherein said first spring end contacts said first stop inside said hollow outer sleeve; and said second spring end contacts said cup bottom; characterized in that a contact end of said hollow outer sleeve comprises an axial hole, said contact end further comprising a collar surrounding said axial hole, said collar comprising wall openings in said collar and a spring clamp surrounding said collar, wherein said spring clamp connects to said collar at said wall openings.