| 摘要 |
PROBLEM TO BE SOLVED: To provide a reciprocating pump in which discharge can be adjusted by a simple mechanism without changing a cam or the number of rotations of the cam. SOLUTION: The reciprocating pump comprises fluid-conveying bodies 1, 2 that reciprocate in contact with conveyed fluid and a driving force-supply part 40 for driving the fluid-conveying bodies 1, 2. The driving force-supply part 40 comprises the cam 42, and driving force-transmitting parts 43, 44 reciprocating in accordance with the rotation of the cam 42. In the driving force supply part 40, coupling arms 14, 15 are provided in order to transmit the driving force of the driving force-transmitting part 43, 44 to the fluid conveying bodies 1, 2. The coupling arms 14, 15 are operatively coupled to the driving force-transmitting parts 43, 44 in a 1st position and to the fluid-conveying bodies 1, 2 in a 2nd position. The coupling arms 14, 15 are rotatably supported by a support members 16, 17. The supporting positions in the support members 16, 17 are constituted to be displaceable with respect to the 1st and the 2nd positions. COPYRIGHT: (C)2005,JPO&NCIPI
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