Patent ID: 8314530

Claim:
A carbon brush holder with improved air vents, comprising: a body including: a pair of connection portions located at two sides of the body and near a front end of the body; a positioning post rising from an upper surface of the body; and a pair of grooves formed at two lateral walls of the body and near a rear end of the body; a housing detachably fixed to the front end of the body, and being an arched member with upper and lower ends thereof opened so that the housing and the body, when assembled, jointly define a receiving space, the housing including; a pair of connection portions formed at two sides of the housing and near a rear end of the housing for corresponding to the connection portions of the body, so that the connection portions, when assembled, make the housing and the body positioned with respect to each other; and at least one button located at an outer surface of a front end of the housing and near an upper edge of the housing, wherein each said button is spaced from another said button; an exhaust lid being slightly flexible and detachably mounted onto the assembled body and housing for closing the receiving space included by the body and the housing, wherein the exhaust lid is a chunk with a predetermined thickness and includes: an accommodating recess formed on a lower surface of the exhaust lid corresponding to the receiving space included by the body and the housing; an air channel formed on the lower surface of the exhaust lid and extending rearward from the accommodating recess, wherein the air channel has a rear end diverging and extending toward two sides of the exhaust lid so as to be opened to the exterior as the air vents; a positioning socket formed at the lower surface of the exhaust lid for corresponding and thus fittingly receiving the positioning post; two retaining hooks formed at two lateral walls of the exhaust lid for corresponding and thus engaging with the grooves of the body; and at least one buckle provided at a front end of the exhaust lid for corresponding and thus coupling with the button.