| 摘要 |
PROBLEM TO BE SOLVED: To provide a bayonet connection type built-up fitting part, of which accurate centering is possible when connecting two parts. SOLUTION: About this built-up fitting part, a first fitting part and a second fitting part can be connected to each other by bayonet connection, and the first fitting part is formed with a sleeve part and the second fitting part is formed with an insert part to be inserted into the sleeve part. The insert part is provided with a plurality of radial tongue pieces, and the sleeve part is provided with an inside sleeve opening 4 and a plurality of openings 5 for tongue pieces corresponding to the radial tongue pieces. Each of the radial tongue pieces has a lag arranged so that a distance from the center of the insert part toward the outside in the radial direction is positioned on the nearly circumference, and shape of the inside sleeve opening 4 coincides with, at least, a part of the circumference. COPYRIGHT: (C)2004,JPO
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