Patent ID: 8069670

Claim:
A combustion chamber wall having a combustion chamber, comprising: a support structure; a spring device comprised in the fastening unit that is connected to the support structure; an axial hole on an inside of the spring device that accommodates the fastening unit; a spring comprised in the spring device that is positioned in a jacket; a first captive securing unit that secures the spring on a side facing away from the combustion chamber in an axial direction of the axial hole to prevent the spring falling out; and a second captive securing unit that secures the spring on a side facing the combustion chamber in the axial direction of the axial hole to prevent the spring falling out, wherein the spring device is configured to be dismantled on the side facing the combustion chamber, wherein a securing sheet is positioned on the spring on the side facing the combustion chamber in the axial direction of the axial hole, wherein a tooth is positioned on the securing sheet on an outer edge on the side facing the combustion chamber in the axial direction of the axial hole.