Patent ID: 8601743
Filing Date: 2013-12-10
Classification: E05B,E05C,E05D,E05Y

Abstract:
1. A side hung and bottom hung double-opening window, comprising: a frame; a first casement; a first top-link hinge and a first down hinge cooperatively coupling the first casement to the frame for selective side hung or bottom hung operation thereon; a first angle-turning device located on the first casement, configured to guide a vertical-direction movement of a first vertical linkage and a horizontal-direction movement of a first horizontal linkage along the first casement; a second casement; a second top-link hinge and a second down hinge cooperatively coupling the second casement to the frame for selective side hung or bottom hung operation thereon; a second angle-turning device located on the second casement, configured to guide a vertical-direction movement of a second vertical linkage and a horizontal-direction movement of a second horizontal linkage along the second casement; a handle located on one of the first and second casements; a latch block fixed on a vertical side of the first casement, the latch block defining a guiding groove, a sidewall of the guiding groove defining a through notch; a sliding piece movably connected to the first vertical linkage of the first casement through the latch block to be slidably received in the guiding groove of the latch block, the sliding piece defining a latching groove; and a latch piece movably connected to the second vertical linkage of the second casement, the latch piece releasably engaging the latching groove of the sliding piece to slidably displace therewith in the guiding groove of the latch block, the latch piece being detachable from the sliding piece when the sliding piece latching groove aligns with the through notch of the latch block.