US 11,878,386 B2
Automatic blade holder
Magnus Eriksson, Njurunda (SE); and Anton Åström, Bromma (SE)
Assigned to PROSHARP INC.
Filed by PROSHARP INC., Worcester, MA (US)
Filed on Apr. 21, 2020, as Appl. No. 16/854,433.
Claims priority of provisional application 62/898,989, filed on Sep. 11, 2019.
Prior Publication US 2021/0069850 A1, Mar. 11, 2021
Int. Cl. B24B 3/00 (2006.01); B24B 49/00 (2012.01); B24B 41/06 (2012.01)
CPC B24B 3/003 (2013.01) [B24B 41/06 (2013.01); B24B 49/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An ice skate blade sharpening apparatus, comprising:
a blade holder configured to grip a set of one or more ice skate blades placed therein;
an abrasive belt having a width, the abrasive belt providing a first grinding portion spanning a first portion of the width of the abrasive belt and a second grinding portion spanning a second portion of the width of the abrasive belt;
the blade holder being mounted with respect to the abrasive belt so as to be laterally shiftable in a direction of the width of the belt by aid of an actuator;
a processor configured for:
causing the first grinding portion of the abrasive belt to be applied against the set of one or more ice skate blades to sharpen the one or more ice skate blades; and
controlling the actuator so as to laterally shift the blade holder a distance of at least the first portion of the width of the abrasive belt, to prepare for sharpening of a second set of one or more ice skate blades with the second grinding portion of the abrasive belt.