Patent ID: 7540315
Filing Date: 2009-06-02
Classification: E06B

Abstract:
1. A winding mechanism, comprising: a base having a bottom plate formed with two axially extending slideways; a rotation member rotatably mounted on the base and having an outer wall formed with an axially extending threaded guide portion; a guide seat having an inner wall formed with a threaded guide hole screwed onto the threaded guide portion of the rotation member and an outer wall formed with two protruding guide posts each provided with at least one roller slidably mounted in a respective slideway of the base so that the guide seat is axially movable on the rotation member by guidance of the guide posts when the rotation member is rotatable relative to the base; wherein the rotation member rotates relative to the base and the guide seat translates axially along said rotation member; each of the guide posts protrudes radially and outwardly from the outer wall of the guide seat; the two guide posts of the guide seat moving parallel to the slideways of the base respectively, said slideways guiding the movement of the guide seat axially along the rotation member; the roller of each of the guide posts is in sliding contact with the respective slideway of the base, said two guide posts guided by said roller while moving parallel to the slideways of the base.