Patent ID: 6681445
Filing Date: 2004-01-27
Classification: E05D,E05Y,Y10T

Abstract:
An improved pulley set comprising:a base having a longitudinal axis and defining a hollow space, said base having a vertical wall defining one side of the hollow space, an inclined wall defining the other side of the hollow space and a guiding planar segment extending from the vertical wall, said inclined wall and said guiding planar segment being spaced apart along said longitudinal axis, said vertical wall having a screw hole; a seat disposed in the hollow space of the base, the seat having two inclined surfaces for engaging respectively with the inclined wall and the guiding planar segment; and adjusting means disposed in the screw hole of the base for pushing against the seat such that adjusting the adjusting means will cause said two inclined surfaces of the seat to move along the inclined wall and the guiding planar segment of the base.