TH3199C3 - Window lock bolt set - Google Patents

Abstract

Window lock bolt set Use the knob as a controller. By inserting the knob twisted through the screen frame connected to the bolt With a cover that serves to hold the bolt to the frame The latch can be flipped inside the cover and the ring around the bolt prevents the bolt from sliding out of the cover. By using bolt rails installed on the window panes, when the knob is twisted, the orthogonal part of the bolt into the groove of the bolt rail The window will not. Can move out This makes it possible to insert or release the window latch without opening the mosquito net.

Claims (1)

1. Window lock bolt set It consists of a knob (1) having a cylindrical metal shape, one end with It is a round button for holding the timer. The bolt (2) is a cylindrical, L-shaped metal bar. The cover (3) has a square sheet at both ends, drilled holes for fixing to The middle frame is bent up like a semicircle with a track (4), a U-shaped track with at least a perforation. One hole on the sides to attach to the lower corner of the window. And where the rail looks like a four sheet The bottom hemispheres folded up to form a U-shape. There is a gap in the center, this gap is wide to fit the size of the bolt and aligns with the perpendicular section of the bolt (2) when the window is in the closed position. The knob (1) has a through hole, inside the bore with a vertically drilled groove with Around the bolt (2), the area towards the straight end of the bolt (2) has a ring-shaped overhang. To prevent the bolt (2) from sliding out of the cover (3) by the end On the long straight end, there is a small vertical groove around it for fitting into the bore of the knob (1), the end of the bolt (2), the side attached to the rail, is 90 degree angled to accommodate the rail. (4)