Patent ID: 8720005

Claim:
A hydraulic hinge for a glass door comprising: a fixing plate; a base combined with the fixing plate and having a top side; a bottom side; a front side; a rear side; a right side; a left side; a longitudinal direction defined from the top side to the bottom side; a lateral direction defined from the front side to the rear side; a first space formed in the base along the longitudinal direction; a second space formed in the base along the lateral direction and communicating with the first space; an oil passage formed in the base and communicating with the first space and the second space and having a first passage formed in the base and communicating with the first space; and a second passage formed in the base and communicating with the first passage and the second space; and an adjusting hole formed in one of the right side and the left side of the base and communicating with the first passage and the second passage of the oil passage; and an adjusting unit moveably mounted in the adjusting hole; a pivot rotatably mounted in the first space and having a side; an abutted surface formed in the pivot; and an adjusting space formed in the side of the pivot and adjacent to the abutted surface and communicating with the first passage of the oil passage; a buffer module mounted in the second space and having a fixed cover mounted in and sealing the second space and adjacent to the fixing plate; a sliding tube slidably mounted in the second space and abutting the pivot and having an end abutting the pivot; an assembling portion formed in the end of the sliding tube, the assembling portion abutting the pivot and selectively communicating between the second space and the adjusting space; a spring mounted between and abutting the fixed cover and the sliding tube; a clamping module pivotally mounted on the pivot and having two clamping plates pivotally and respectively mounted on the right side and the left side of the base; and a shell body made of stainless steel, mounted outside the base and having an aligning hole formed through the shell body and corresponding to the adjusting unit in position to expose the adjusting unit from the aligning hole.