| 摘要 |
A lock mechanism housed in a steel case and directly weldable to iron doors, gates, grilles and similar objects, a bolt slideable in either direction along its longitudinal axis, a fixed member adjacent a long side of said bolt, said fixed member having an opening alignable with a dimple in said bolt side, a sliding member driven in either direction along its longitudinal axis by key or knob operated lock cylinder mechanisms, said sliding member having an opening alignable with dimple in said bolt, a ball retained in opening of fixed member and movable between dimple in said bolt and opening in said sliding member.
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