Patent ID: 6658111
Filing Date: 2003-12-02
Classification: E05D,E05F,E05Y,H04M,Y10T

Abstract:
A small-sized opening and closing device comprising:a shaft; a slider cam attached to said shaft slidably in an axial direction, having a cam portion in one end portion thereof; a first compression spring interposed resiliently between said slider cam and said shaft; an inner cam attached rotatably relative to said shaft, with a cam portion provided on a side thereof facing said cam portion of said slider cam; an outer cam attached to said shaft, accommodating said inner cam rotatably therein and having a cam portion facing said cam portion of said slider cam; a slide key attached non-rotatably and slidably in an axial direction relative to said outer cam, for arresting and releasing said inner cam; a push-button disposed in one end portion of said slide key; and a second compression spring interposed resiliently between said push-button and/or said slide key and said outer cam, with a weaker resilient force than that of said first compression spring.