Patent ID: 7258153

Claim:
An auto-reversible folding door, comprising: a sliding rail; a first door panel and a second door panel both located below the sliding rail, the neighboring portion of the first door panel and the second door panel is pivotally connected, the top of the outer flange of the first door panel having a shaft which is pivotally coupled within the sliding rail; a clamping device located at the inner side of the shaft; a guide pulley located at the top of the outer flange of the second door panel, the guide pulley can shift along with the sliding rail towards the first door panel; a swivel spring installed in a casing and the casing located at the front side of one end of the sliding rail, a shaft installed in the casing to attach and coil a first end of the swivel spring, and a second end of the swivel spring is extended out of the casing through the opening and stretched towards the interior of the sliding rail; an inserting clasp formed outside the guide pulley, wherein the inserting clasp can clamp into the clamping device comprising a hollow clamping member having an opening, the top of the clamping member having a wave-shaped positioning groove while the bottom located a guide slot, the opening inserted with a clamp; and an elastic body is located between the clamping member and the rear portion of the clamp, the upper portion of the clamp having a positioning rod that can be inserted into the positioning groove of the clamping member, the bottom portion of the clamp having an inserting rod that can be inserted into the guide slot of the clamping member, so that the clamp can elastically stretch to capture and release the inserting clasp.