| 摘要 |
<p>Burglar proof window or door lock arrangement, includes flange (1) with screw holes (2). Flange has rear protrusion (3). Front surface of flange (1) has around cup (4) a recessed part (5) of a thickness equal to the thickness of striker plate (6) with front edge (7) for latch bolt entry. Striker plate has protruding legs (8) with elongated holes (9) for entry of screws (10) into holes (11). Thus striker plate is adjustable positioned on the flange. Serrated surfaces (12,13) enable precise adjustment of striker plate.</p> |
