Safe thumbtack
The utility model discloses a safe thumbtack which comprises a main body (1) and a pin head (2) and further comprises a safe fence (4) surrounding the pin head (2). An annular gap (3) is arranged at the periphery of the main body (1), and the safe fence (4) is extensible in the annular gap (3). A ci...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a safe thumbtack which comprises a main body (1) and a pin head (2) and further comprises a safe fence (4) surrounding the pin head (2). An annular gap (3) is arranged at the periphery of the main body (1), and the safe fence (4) is extensible in the annular gap (3). A circle of plastic capable of extending and contracting to protect the periphery is arranged under the thumbtack and round the pin head (2), so that that safety of the thumbtack is improved. The safe thumbtack is simple in structure, safe and convenient to use and simultaneously concise and attractive in appearance. |
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