| 摘要 |
An opening/closing device for windows is disclosed, in which the windows can be opened in a tilt manner and a sliding manner selectively. The conventional windows can be opened either in a tilt manner or in a sliding manner, but they do not have the composite functions but only a single one. The present invention includes two composite functions, i.e., the tilt opening and slide opening. One ends of links 8 having guide rollers 9 are pivotally secured to an upper frame of the windows 2 and 3 which are accommodated within an outer frame 1. The guide roller 9 can move along a guide rail 11 which is formed on a top segment 1a of the outer frame 1. A sliding roller 12 with an auxiliary roller attached thereon is installed in a lower frame df of each of the windows 2 and 3, and the sliding roller 12 can move along a sliding rail 13 which is formed on a bottom segment 1b of the outer frame 1. A pair of locks 7 are provided on both ends of the upper frame uf of each of the windows 2 and 3 so as to lock or release the links 8. The locks 7 can be operated by means of a button 5 which is installed adjacently to a window knob 4. Thus the windows can be opened and closed in a tilt manner by manipulating the button 5, while, if the button is not touched, the links 8 are fixed to the windows, and therefore, the windows can be opened/closed in sliding manner.
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