Tool sharpener
阅读：721发布：2022-03-13
专利汇可以提供Tool sharpener专利检索，专利查询，专利分析的服务。并且Apparatus and method for sharpening tools such as knives and scissors. The apparatus comprises an elongated rod coated with a sharpening surface of particles of synthetically produced, polycrystalline diamond. The rod is set into a handle. A tool is sharpened by stroking an edge of the tool against the sharpening surface of the rod.，下面是Tool sharpener专利的具体信息内容。
1. A tool sharpener comprising: a generally cylindrical elongated sharpening rod; a coupling sleeve mounted to one end of the sharpening rod and having an outside diameter greater than that of the rod and comprising threaded opposing internal bores within the sleeve of an internal diameter greater than the diameter of the rod, each bore extending inwardly less than half the length of the sleeve; and a generally hollow handle having an exteriorly threaded cylindrical end capable of threadedly engaging either of the internal bores of the coupling sleeve and of internally accommodating the sharpening rod when coupled with the end of the sleeve from which the rod extends.
2. A tool sharpener comprising: a hollow elongated metal rod having trailing and leading ends and terminating in a conical tip at the leading end, the entire exposed surface of the rod having synthetic polycrystalline diamond particles bonded thereto; a cylindrical sleeve rigidly affixed to the trailing end of the rod and extending beyond the trailing end of the rod, the sleeve having an outside diameter which is greater than the outside diameter of the rod and comprising opposed internally threaded bores separated by a diametrally reduced bore into which the rod is rigidly mounted; and a cylindrical handle hollowed to an inside diameter which is greater than the outside diameter of the rod, the handle having one open end at least a portion of which has an outside diameter which is less than the outside diameter of the sleeve, said open end being exteriorly threaded to threadedly engage to with the interior threads of both opposed bores of the sleeve, thereby permitting the rod to be threadedly attached to the handle both in a forwardly projecting position and in a concealed position with the handle.
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