| 摘要 |
A clamp comprising a band ( 10 ) having, at one end, a pair of axially spaced jaws ( 16, 18 ) comprising an upper jaw ( 16 ) and a lower jaw ( 18 ) and, at the other end, a tongue ( 28 ) that can be inserted between the jaws. The tongue has an upper surface and a lower surface and the top jaw ( 16 ) has a lower surface that includes a single engagement tooth ( 20 ). The upper surface of the tongue includes an engagement tooth ( 29 ) having a cavity ( 30 ) behind it that can accommodate the engagement tooth ( 20 ) of the upper jaw to hold the clamp in a closed position. The lower surface ( 48 ) of the tongue is provided with a recess ( 40 ) that accommodates the lower jaw ( 18 ) when the clamp is in the said closed position.
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