Patent ID: 7255541
Filing Date: 2007-08-14
Classification: F04C

Abstract:
1. A fluid pump comprising: a housing; a drive source accommodated in the housing, the drive source including a rotary member for rotation; a rotary unit including the rotary member and a rotary shaft, which is operatively connected to the rotary member for rotation, the rotary unit forming an engaging portion for engaging with a maintenance tool which is prepared outside the housing; and a pumping mechanism placed in the housing, the pumping mechanism being operated in accordance with the rotation of the rotary shaft; wherein an allowing means is formed in the housing for allowing the maintenance tool to engage with the engaging portion so as to face the engaging portion, the rotary shaft being rotated by rotating the maintenance tool in a state that the maintenance tool is engaged with the engaged portion, the allowing means includes an intermediate member that is pivotally places on the housing, the intermediate member being capable of contacting with and moving from the engaging portion and the maintenance tool, the maintenance tool and the rotary member where the engaging portion is formed are connected to each other through the intermediate member so as to integrally rotate by pushing the intermediate member toward an inside of the housing with the maintenance tool.