A short drop tensioner for a window regulator for raising and lowering a window of a vehicle, including only three parts: a tensioner support; a tensioner sleeve; and a spring disposed between the tensioner support and the tensioner sleeve.

A tensioner for a window regulator for raising and lowering a window of a vehicle, including: a first tensioner support; a second tensioner support; a spring disposed between the first tensioner support and the second tensioner support; and an adjusting sleeve configured to engage features of the first tensioner support as the second tensioner support is moved away from the first tensioner support due to a biasing force of the spring.

A short drop tensioner for a window regulator for raising and lowering a window of a vehicle, including only three parts: a tensioner support; a tensioner sleeve; and a spring disposed between the tensioner support and the tensioner sleeve.

This disclosure is directed to a cable tensioner having a regulating stick, a tube assembly and a spring. The regulating stick has an abutting portion and a ratchet strip. The ratchet strip has multiple ratcheting notches having a stop surface and a slope opposite to each other. The tube assembly sleeving the regulating stick has an outer cylinder and an inner cylinder. The outer cylinder has A second abutting portion and a pawl. The pawl has an elastic arm and a hook portion. The hook portion has a stopping side abutting against the stop surface. The hook portion engages one of the ratcheting notches. The spring is preloaded and clamped between the first and second abutting portions. One end of the inner cylinder abuts a side of the hook portion opposite to the stopping side.

This disclosure is directed to a cable tensioner having a regulating stick, a tube assembly and a spring. The regulating stick has an abutting portion and a ratchet strip. The ratchet strip has multiple ratcheting notches having a stop surface and a slope opposite to each other. The tube assembly sleeving the regulating stick has an outer cylinder and an inner cylinder. The outer cylinder has A second abutting portion and a pawl. The pawl has an elastic arm and a hook portion. The hook portion has a stopping side abutting against the stop surface. The hook portion engages one of the ratcheting notches. The spring is preloaded and clamped between the first and second abutting portions. One end of the inner cylinder abuts a side of the hook portion opposite to the stopping side.