| 摘要 |
<p>The invention relates to a school chalk holder employed for protecting the chalk and the users' hands. According to the invention, the chalk holder comprises a body (1) wherein there is located a chalk (2), in the body (1) there being cut a cut-out (a) and an elastic fastener (b). The elastic fastener (b) has a curvature (d) and an operating surface (c) ensuring the advance of the chalk (2) when the curvature (d) of the elastic fastener (b) is pressed.</p> |
