Vibration proofing heat shield plate

1. A vibration proofing heat shield plate fixed such as to cover at least a part of a heat source fixed to a vibration source while forming a gap with respect to a surface of said heat source for reducing a heat radiation from the heat source, comprising:

a vibration proofing heat shield plate main body portion;

a collar member positioned at an open hole of said vibration proofing heat shield plate main body portion and including a pair of locking pieces fastened by bolt to said heat source;

a washer member including (1) a first portion of a flat annular shape and (2) a second portion interposed between a pair of locking pieces of said collar member formed in an approximately C-shaped cross section; and

a joint member joining said washer member, at the first portion of said washer member, and said vibration proofing heat shield plate main body.

2. A vibration proofing heat shield plate as claimed in claim 1 , wherein said washer member is structured by assembling two deformed washers each having an upward or downward bent hole side, in a vertically symmetrical shape by bringing annular flat plate portions in an outer side into contact with each other.

3. A vibration proofing heat shield plate as claimed in claim 1 or 2 , wherein said heat source is constituted by an exhaust manifold of an automotive engine.