| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reservoir tank capable of effectively restraining the infiltration of dirt and dust while maintaining atmospheric pressure in the reservoir tank. <P>SOLUTION: This rank comprises a main body having an accommodation part accommodating oil and a tubular opening formed at the accommodating part, a cover having an outer cylinder coating the outer periphery of the tubular opening and a top plate provided at the outer cylinder and sealing the tubular opening, and a dust-prevention means provided between the tubular opening and the outer cylinder. <P>COPYRIGHT: (C)2008,JPO&INPIT |
