| 摘要 |
A hardware element of a chain door fastener comprising a plate (20) of a size and shape for interfacial contact with an external surface of a door (10), said plate including an opening (22) of a size sufficient for receiving a stem (14) of a door handle (16) and an elongated slot (26) of such width, length and shape for detachably connecting one end of a chain (13). |
