A skate blade sharpening system used to sharpen the blades of ice skates. The skate sharpener can include a housing that includes an elongated slot for receiving the blade of an ice skate for sharpening, and clamp jaws for retaining the skate. The housing can include at least one slot cover to engage the skate blade. Engagement of the skate blade can be sensed by a controller to enable sharpening operations to proceed. The skate blade sharpening system can automatically operate a grinding wheel and move the rotating grinding wheel back and forth along the lower face of the skate blade a desired number of times to sharpen the skate blade.

The invention relates to apparatus for polishing a running base that comprises a blade with two opposing blade edges separated one from the other by an intermediate section; the polishing apparatus comprising: a support body, and blade alignment guide means; wherein the support body is capable of carrying a polishing surface which comprises: a profile which is adapted to conform with one or more portions of the intermediate section; and wherein the blade alignment guide means comprise one or more pairs of first and second blade alignment guides, which first and second blade alignment guides in each pair are separated from each other by the polishing surface, and further wherein the blade alignment guide means is adapted to receive and/or guide and/or constrain a running base so that when the intermediate section between the two edges of the running base is brought into contact with the polishing surface, there is no contact between the polishing surface and any part of the two opposing blade edges of the running base.

A grinding machine for grinding tools comprises a support unit configured to support a tool to be ground and provided with members suitable to incline it by certain angle with respect to a horizontal reference plane; and an operating unit that is mobile along a main axis of development of the grinding machine in order to move with respect to the support unit and comprises an abrasive element intended to abrade at least a portion to be ground of the tool. The grinding machine comprises an adjustment system to adjust the inclination of the support unit with respect to the reference plane. The adjustment means system is mobile parallel to the main axis of development to move to a predetermined distance from the reference plane.

A grinding machine for grinding tools comprises a support unit configured to support a tool to be ground and provided with members suitable to incline it by certain angle with respect to a horizontal reference plane; and an operating unit that is mobile along a main axis of development of the grinding machine in order to move with respect to the support unit and comprises an abrasive element intended to abrade at least a portion to be ground of the tool. The grinding machine comprises an adjustment system to adjust the inclination of the support unit with respect to the reference plane. The adjustment means system is mobile parallel to the main axis of development to move to a predetermined distance from the reference plane.

An ice blade measuring system comprises a holder for holding an ice blade in a measurement position, and a non-contact measuring device operationally positioned relative to the holder to measure at least a three-dimensional (3D) shape of an ice contacting surface of the ice blade held in the holder. The non-contact measuring device is configured to create a dataset which corresponds to the measured 3D shape. The system further comprises a data storage means operatively connected to the non-contact measuring device to record the measured dataset.

An ice blade measuring system comprises a holder for holding an ice blade in a measurement position, and a non-contact measuring device operationally positioned relative to the holder to measure at least a three-dimensional (3D) shape of an ice contacting surface of the ice blade held in the holder. The non-contact measuring device is configured to create a dataset which corresponds to the measured 3D shape. The system further comprises a data storage means operatively connected to the non-contact measuring device to record the measured dataset.

A skate blade sharpening system used to sharpen the blades of ice skates. The skate sharpener can include a housing that includes an elongated slot for receiving the blade of an ice skate for sharpening, and clamp jaws for retaining the skate. The housing can include at least one slot cover to engage the skate blade. Engagement of the skate blade can be sensed by a controller to enable sharpening operations to proceed. The skate blade sharpening system can automatically operate a grinding wheel and move the rotating grinding wheel back and forth along the lower face of the skate blade a desired number of times to sharpen the skate blade.

The present invention relates to the field of grinding machines. In one of its embodiments, this disclosure presents a grinding machine casing (30) for a grinding machine (100). The grinding machine casing (30) comprises a first casing part (10), which is mounted to a second casing part (20). The first casing part (10) is provided with a set of brackets. Each bracket of a set of brackets comprises a hole which is adapted to receive a cylindrical end of a support bar (60) such that the support bar (60) can be releasably connected to the first casing part (10). Still further, one bracket in each set of brackets comprises a hole, the cross-section of which is non-circular.

The present invention relates to the field of grinding machines. In one of its embodiments, this disclosure presents a grinding machine casing (30) for a grinding machine (100). The grinding machine casing (30) comprises a first casing part (10), which is mounted to a second casing part (20). The first casing part (10) is provided with a set of brackets. Each bracket of a set of brackets comprises a hole which is adapted to receive a cylindrical end of a support bar (60) such that the support bar (60) can be releasably connected to the first casing part (10). Still further, one bracket in each set of brackets comprises a hole, the cross-section of which is non-circular.

The positioning of a cylindrical workpiece (that has to be machined by grinding) can be performed particularly precisely if the workpiece abuts to at least one, preferably two, static supporting elements and is fixed in a collet of a spindle, which allows a wobble compensation as well as a radial displacement of the spindle axis relative to the longitudinal axis of the workpiece.