| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap of which the attaching and detaching trouble of a screw-type cap is dissolved and which can be attached and detached easily. SOLUTION: A pair of L-shape engaging pieces 27 are provided on the opposite end side to the engaging direction of the cap body 19, having a space to the cap body 19 and extending to the engaging direction side. The tips of the pair of engaging pieces 27 are connected to each other with a pair of flexible connecting parts 29 so as to encircle the periphery of the cap body having a space to the periphery of the cap body 19. When the cap 1 is attached to a tubular part of a cylinder head cover, the cap body 19 is engaged in the tubular part by pressing the cap body 19 and engaging parts 25 of the pair of engaging pieces 27 are engaged in a securing parts formed on the periphery of the tubular part. On the other hand, when the cap 1 is detached from the tubular part of the cylinder head cover, the pair of engaging pieces 27 is bent in parting direction from the periphery of the tubular part by pressing parts 23 of the pair of connecting parts 29 as closing each other so that the engaging parts 25 are detached from the securing parts of the tubular part. COPYRIGHT: (C)2006,JPO&NCIPI
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