Patent ID: 8651729

Claim:
A turbine vibrator comprising: a housing having two opposite side surfaces; a first mounting recess formed in one of the side surfaces of the housing and having an internal diameter; a first threaded wall defined around the first mounting recess; a second mounting recess formed in the other one of the side surfaces of the housing and having an internal diameter larger than the internal diameter of the first mounting recess; a second threaded wall defined around the second mounting recess and having a threaded direction the same as a threaded direction of the first threaded wall; an air chamber formed through the housing, disposed between and communicating with the first and second mounting recesses and having an internal diameter larger than the internal diameter of the first mounting recess and smaller than the internal diameter of the second mounting recess; a chamber wall defined around the air chamber; a first shoulder defined between the first threaded wall and the chamber wall; a second shoulder defined between the chamber wall and the second threaded wall; at least one air inlet and at least one air outlet formed separately through the housing and communicating with the air chamber; a first cover disposed securely in the first mounting recess of the housing and having a pivot recess formed in an inner end of the first cover; an eccentric rotor mounted rotatably in the air chamber of the housing and having multiple ratchets formed around the eccentric rotor; and two shafts protruding respectively from two opposite side surfaces at a center of the eccentric rotor; two bearings mounted respectively on the shafts and one of the bearings disposed in the pivot recess of the first cover; and a second cover disposed securely in the second mounting recess of the housing and having a pivot recess formed in an inner end of the second cover and mounted around the other one of the bearings that corresponds to the pivot recess of the second cover.