Patent ID: 7244112
Filing Date: 2007-07-17
Classification: F04B,F04D

Abstract:
1. A pump, comprising a main body, a removable cover, an urging plate, and a control knob, wherein: the main body has a periphery formed with a plurality of catch members each having a distal end forked with a locking hook; the removable cover is mounted on the main body; the urging plate is pivotally mounted on the removable cover and has two end portions each pivotally mounted on the periphery of the removable cover and each having a locking portion that is movable by pivot of the urging plate and is detachably locked in the locking hook of a respective one of the catch members of the main body; and the control knob is rotatably mounted on the urging plate and is urged on a mediate portion of the urging plate by rotation of the control knob.