| 摘要 |
A fastener for a hasp including a staple and utilized to lock a pay telephone station coin box for preventing unauthorized entry thereinto, and comprising a first element formed in an E-shape or an -shape and having a middle projection positioned in the interior space of the staple for disposing the latter element adjacent to the hasp member attached to the face of the box, and a second element formed with an opening through which the free end of the staple is passed to dispose the latter element exteriorly of the staple with one surface in juxtaposition with an opposite surface of the first element. The juxtapositioned surfaces may be plain or provided with predetermined, mated projections, including the first-mentioned projections, grooves and recesses bonded together to constitute a bielement unitary fastener difficult to remove from the hasp without showing evidence of tampering with the fastener.
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