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Ice skate-sharpening apparatus including a housing assembly carrying a vertically extending drive shaft on which a grinding wheel is mounted. Adjustable mounting means supports the housing assembly on a work table for vertical movement with respect to the work table to position the grinding wheel at

Ice skate-sharpening apparatus including a housing assembly carrying a vertically extending drive shaft on which a grinding wheel is mounted. Adjustable mounting means supports the housing assembly on a work table for vertical movement with respect to the work table to position the grinding wheel at a predetermined work-performing position above the work table. Drive transmission means connects the grinding-wheel drive shaft with a motor that is fixedly mounted at a position adjacent to the work table. The drive transmission means provides for the rotation of the grinding wheel in any of a plurality of vertical positions spaced above the work table. The housing assembly also carries a wheel-dressing tool which is simply moved to a wheel-dressing position.

대표청구항 ▼

Ice skate-sharpening apparatus comprising means defining a horizontal work-supporting surface having an opening extending vertically therethrough, a drive shaft extending vertically through said opening and having a vertical axis of rotation, a grinding wheel positioned for rotation in a generally h

Ice skate-sharpening apparatus comprising means defining a horizontal work-supporting surface having an opening extending vertically therethrough, a drive shaft extending vertically through said opening and having a vertical axis of rotation, a grinding wheel positioned for rotation in a generally horizontal plane and mounted on said drive shaft for rotation therewith, a grinding wheel housing assembly supporting said grinding wheel and said drive shaft for rotation for the grinding wheel in said horizontal plane, adjustable mounting means supporting said housing assembly for vertical movement with respect to said work-supporting surface to position said grinding wheel at any one of a plurality of selected work-performing positions above said work-supporting surface, said adjustable mounting means including a hollow tubular guide member spaced radially outwardly from and enclosing said shaft and fixedly mounted on said work-supporting surface, a hollow tubular follower member telescoped with said hollow tubular member for guided vertical movement relative thereto and connected to said drive shaft for vertical movement therewith, and vertical positioning means mounted on said work-supporting surface and connected to said housing assembly for vertically positioning said housing assembly and thereby said grinding wheel relative to said work-supporting surface, a prime mover for rotating the grinding wheel, said prime mover being mounted beneath said work-supporting surface in a fixed position essentially vibrationally isolated from said grinding wheel and said adjustable mounting means, drive transmission means connecting said prime mover with said drive shaft for rotation of said drive shaft and thereby said grinding wheel in any of said plurality of selected work-performing positions, said drive transmission means being connected at one end to said drive shaft and at the other end to said prime mover, said one end being freely movable vertically together with said drive shaft, said adjustable mounting means being mounted on said work-supporting surface and on said housing assembly and being operable to adjust the vertical position of said housing assembly and thereby said grinding wheel relative to said work-supporting surface so that an ice skate blade can be supported at a fixed elevation on said work-supporting surface and the position of said grinding wheel can be adjusted relative to the blade to enable the blade to be sharpened in an optimum manner.