Patent ID: 9703069
Date: 2017-07-11
CPC Classifications: B25B,F16J,G02B

Claim:
1. A mounting fixture used for mounting an O-ring between a ring-shaped side surface of an optical component and a holder which holds said optical component, comprising a first abutting surface configured to abut against a top surface of said optical component which intersects said side surface, a projecting part which is arranged so as to surround said first abutting surface and project out from said first abutting surface in a direction vertical to said first abutting surface, and a second abutting surface which is provided at a front end of said projecting part and configured to abut against a top portion of said O-ring to press said O-ring in the direction vertical to said first abutting surface in a position between the ring-shaped side surface of the optical component and the holder which is separate from the mounting fixture and holds said optical component, wherein said projecting part has a projecting height smaller than a height of said side surface of said optical component such that the second abutting surface, when abutted against the O-ring, is positioned below the top surface of the optical component and above a bottom surface of the optical component.