Patent ID: 6609699
Filing Date: 2003-08-26
Classification: F01M

Abstract:
An oil drain valve for attachment to a drain hole of an oil container, comprisinga base with an upper end and a lower part, the lower part having a guide opening and a joining surface with two receiver grooves extending inwardly from the joining surface, with a resilient piece and a ball respectively located in each, and a hollow chamber communicating with the drain hole; and a control part including an outlet, and a guide groove and an engaging groove corresponding to the receiver grooves, the guide groove and the engaging groove being pressed by the respective ball biased by the respective resilient piece; whereby, the upper end of the base is adapted to be joined to the drain hole of the oil container, such that, when the control part is turned to allow the guiding opening to communicate with the outlet, oil in the oil container can be drained.