|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||51/5D ; 51/74BS ; 51/91BS ; 51/92BS|
|발명자 / 주소|
|인용정보||피인용 횟수 : 9 인용 특허 : 0|
The present invention is directed to an apparatus for sharpening the blade of a skate which provides more precision that prior art sharpeners. The apparatus comprises a circular grindstone which can pivot from a work position to a rest or sharpening position. When in the rest position, the grindstone may be sharpened by a diamond, which diamond moves in circular motion when sharpening. The radius of curvature of the circular motion is selectable. The degree of concavity imparted to the blade is defined by curvature of the sharpening diamond. The blade is...
An apparatus for sharpening a blade of a skate, comprising: a frame; a circular grindstone having a working position in which said grindstone can contact said blade, and a rest position in which said grindstone can be sharpened; an arm for supporting said grindstone, said arm having a first extremity provided with an axle for supporting said grindstone, and a second opposed extremity, said arm being capable of pivoting around an axle firmly attached to said frame so that said grindstone can be pivoted from said working position to said rest position and ...