Blade holder device, blade holder assembly, ice skate blade and ice skate

Abstract

Blade holder device which extends along a longitudinal axis (L12) and which comprises a blade holder and a locking device which is mounted within said blade holder in a manner that the locking device is rotatable about a locking device axis (B), wherein the rotatable locking device is configured to mount a hook of an ice skate blade to the blade holder and comprises at least one radial irregularity with respect to the device axis (B) for interaction between the radial irregularity and a hook of an ice skate blade.

I claim: 
     
         1 . A blade holder device, comprising a blade holder body and a locking device, wherein the blade holder body comprises:
 a base portion comprising a blade receiving section and a pivot bearing device with a pivot bearing surface, wherein the blade receiving section comprises a bearing groove which extends in a longitudinal axis between a first end and a second end, in a width direction and in a height direction, wherein the bearing groove opens from a groove bottom surface to a lower side and is configured to accommodate a blade engaging portion of an ice skate blade for being mounted on the blade holder body in a mounting condition, wherein blade receiving section comprises edge portions forming an opening in the groove bottom surface between edge portions,   a fastening device which extends from the base portion in the height direction and which is configured to fasten the blade holder device to a sole of a boot on an upper side of the blade holder device, wherein the pivot bearing device is located in a bearing section recess of the blade holder body which extends from the opening in the groove bottom surface in the height direction to a through-hole in the fastening device, which extends transversely the longitudinal axis, wherein the bearing section recess is configured to receive an interacting hook device of an ice skate blade and to allow an end section of the interacting hook device to be moved into the engagement space until the end section rests against an edge portion of the base portion in a mounting condition,   wherein the blade holder device comprises a fixation device which, in the mounting condition, connects a first end section of the ice skate blade to a first end section of the base portion,   wherein the locking device comprises a locking device main body with an outer circumferential surface, which comprises a locking device bearing surface and at least one surface irregularity which radially extends from the outer circumferential surface, wherein the pivot bearing surface and the locking device bearing surface are configured to allow a rotational movement of the locking device around the central axis of the through-hole by providing an effective rotation surface,   wherein the locking device is configured such that, in the mounting condition, in a first rotational position, the at least one surface irregularity contacts the end section of the interacting hook device extending into the recess such that the end section is held in a locking state in which the same rests against an abutment portion of the blade holder body, and, in a second rotational position, the at least one surface irregularity is displaced from the end section of the interacting hook device and provides a release state of the end section of the ice skate blade, in which the interacting hook device has a freedom of movement between the edge portion and the at least one surface irregularity allowing the interacting hook device to be moved along the longitudinal axis and further out of the bearing section recess.   
     
     
         2 . The blade holder device according to  claim 1 , wherein the pivot bearing device comprises a guide device which partly surrounds the central axis in the circumferential direction and which comprises a guide slot which opens in the pivot bearing surface and which extends in the radial direction from the pivot bearing surface, wherein the at least one surface irregularity of the outer circumferential surface in a rotational area of the locking device protrudes in the radial direction from the effective rotation surface into the guide slot, thereby providing a guiding of the locking device against movements in the axial directions. 
     
     
         3 . The blade holder device according to  claim 1 ,
 wherein the pivot bearing device comprises a guide device which partly surrounds the central axis in the circumferential direction and which comprises a guide slot which opens in the pivot bearing surface and which extends in the radial direction from the pivot bearing surface, wherein the at least one surface irregularity of the outer circumferential surface in a rotational area of the locking device protrudes in the radial direction from the effective rotation surface into the guide slot, thereby providing a guiding of the locking device against movements in the axial directions,   wherein 50% to 100% of the circumferential extension of the guide device is located above the through-hole.   
     
     
         4 . The blade holder device according to  claim 1 , wherein the bearing section recess which extends from the bearing groove in the height direction to the through-hole, comprises a main recess portion with the opening and an engagement space, which extends from the main recess portion along the longitudinal axis which is partly delimited by the abutment portion of the blade holder body. 
     
     
         5 . The blade holder device according to  claim 1 , wherein the abutment portion of the blade holder body is an edge portion of the base portion. 
     
     
         6 . The blade holder device according to  claim 1 , wherein the fixation device comprises first recess with an opening in the groove bottom surface of the bearing groove for receiving the first hook of the ice skate blade. 
     
     
         7 . The blade holder device according to  claim 1 , wherein the fastening device at least one fastening support comprises a first fastening support and a second fastening support, each of which extend from the base portion in the height direction. 
     
     
         8 . The blade holder device according to  claim 1 , wherein the fastening device comprises a first fastening support and a second fastening support, each of which extend from the base portion in the height direction. 
     
     
         9 . The blade holder device according to  claim 1 , wherein the locking device comprises a main body with the locking device bearing surface and a locking pin,
 wherein the main body comprises a through-hole having a middle axis which intersects the locking device axis,   wherein the locking pin comprises a first end section and a second end section lying opposed to the first end section and is arranged in the through-hole, wherein at least one of the end sections protrude from the through-hole forming a respective surface irregularity which radially extends from the outer circumferential surface.   
     
     
         10 . The blade holder device according to  claim 1 , wherein the at least one surface irregularity comprises an excentric surface irregularity of the locking device which is realized by an excentric portion which protrudes from the main body in the radial direction. 
     
     
         11 . The blade holder device according to  claim 1 , wherein the outer pivot bearing surface is formed at least partially as a cylindrical outer surface. 
     
     
         12 . The blade holder device according to  claim 1 , wherein the inner pivot bearing surface is formed at least partially as a cylindrical inner surface. 
     
     
         13 . The blade holder device according to  claim 1 , wherein the outer pivot bearing surface is formed at least partially as a cylindrical outer surface and wherein the inner pivot bearing surface is formed from a component the cross-section of which has at least partly the form of a polygon. 
     
     
         14 . The blade holder device according to  claim 1 , wherein the inner pivot bearing surface is formed at least partially as a cylindrical outer surface and wherein the outer pivot bearing surface is formed from a component the cross-section of which has at least partly a different form, particularly the form of a polygon. 
     
     
         15 . The blade holder device according to  claim 1 , wherein the first end section is a front end section of the blade holder device and the second end section is a rear end section of the blade holder device. 
     
     
         16 . The blade holder device according to  claim 1 , wherein the first end section is a rear end section of the blade holder device and the second end section is a front end section of the blade holder device. 
     
     
         17 . A blade holder assembly comprising a blade holder device and an ice skate blade mounted on the blade holder device in the mounting condition, the blade holder device comprising a blade holder body and a locking device, wherein the blade holder body comprises:
 a base portion comprising a blade receiving section and a pivot bearing device with a pivot bearing surface, wherein the blade receiving section comprises a bearing groove which extends in a longitudinal axis between a first end and a second end, in a width direction and in a height direction, wherein the bearing groove opens from a groove bottom surface to a lower side and is configured to accommodate a blade engaging portion of an ice skate blade for being mounted on the blade holder body in a mounting condition, wherein blade receiving section comprises edge portions forming an opening in the groove bottom surface between edge portions,   a fastening device which extends from the base portion in the height direction and which is configured to fasten the blade holder device to a sole of a boot on an upper side of the blade holder device, wherein the pivot bearing device is located in a bearing section recess of the blade holder body which extends from the opening in the groove bottom surface in the height direction to a through-hole in the fastening device, which extends transversely the longitudinal axis, wherein the bearing section recess is configured to receive an interacting hook device of an ice skate blade and to allow an end section of the interacting hook device to be moved into the engagement space until the end section rests against an edge portion of the base portion in a mounting condition,   wherein the blade holder device comprises a fixation device which, in the mounting condition, connects a first end section of the ice skate blade to a first end section of the base portion,   wherein the locking device comprises a locking device main body with an outer circumferential surface, which comprises a locking device bearing surface and at least one surface irregularity which radially extends from the outer circumferential surface, wherein the pivot bearing surface and the locking device bearing surface are configured to allow a rotational movement of the locking device around the central axis of the through-hole by providing an effective rotation surface,   wherein the locking device is configured such that, in the mounting condition, in a first rotational position, the at least one surface irregularity contacts the end section of the interacting hook device extending into the recess such that the end section is held in a locking state in which the same rests against an abutment portion of the blade holder body, and, in a second rotational position, the at least one surface irregularity is displaced from the end section of the interacting hook device and provides a release state of the end section of the ice skate blade, in which the interacting hook device has a freedom of movement between the edge portion and the at least one surface irregularity allowing the interacting hook device to be moved along the longitudinal axis and further out of the bearing section recess.   
     
     
         18 . An ice skate comprising:
 a blade holder assembly which comprises a blade holder device and an ice skate blade mounted on the blade holder device in the mounting condition and   a skate boot which is fastened to a boot connecting section of a fastening device at the upper side thereof,   wherein the blade holder device comprising a blade holder body and a locking device, wherein the blade holder body comprises:
 a base portion comprising a blade receiving section and a pivot bearing device with a pivot bearing surface, wherein the blade receiving section comprises a bearing groove which extends in a longitudinal axis between a first end and a second end, in a width direction and in a height direction, wherein the bearing groove opens from a groove bottom surface to a lower side and is configured to accommodate a blade engaging portion of an ice skate blade for being mounted on the blade holder body in a mounting condition, wherein blade receiving section comprises edge portions forming an opening in the groove bottom surface between edge portions, 
 a fastening device which extends from the base portion in the height direction and which is configured to fasten the blade holder device to a sole of a boot on an upper side of the blade holder device, wherein the pivot bearing device is located in a bearing section recess of the blade holder body which extends from the opening in the groove bottom surface in the height direction to a through-hole in the fastening device, which extends transversely the longitudinal axis, wherein the bearing section recess is configured to receive an interacting hook device of an ice skate blade and to allow an end section of the interacting hook device to be moved into the engagement space until the end section rests against an edge portion of the base portion in a mounting condition, 
 wherein the blade holder device comprises a fixation device which, in the mounting condition, connects a first end section of the ice skate blade to a first end section of the base portion, 
 wherein the locking device comprises a locking device main body with an outer circumferential surface, which comprises a locking device bearing surface and at least one surface irregularity which radially extends from the outer circumferential surface, wherein the pivot bearing surface and the locking device bearing surface are configured to allow a rotational movement of the locking device around the central axis of the through-hole by providing an effective rotation surface, 
 wherein the locking device is configured such that, in the mounting condition, in a first rotational position, the at least one surface irregularity contacts the end section of the interacting hook device extending into the recess such that the end section is held in a locking state in which the same rests against an abutment portion of the blade holder body, and, in a second rotational position, the at least one surface irregularity is displaced from the end section of the interacting hook device and provides a release state of the end section of the ice skate blade, in which the interacting hook device has a freedom of movement between the edge portion and the at least one surface irregularity allowing the interacting hook device to be moved along the longitudinal axis and further out of the bearing section recess. 
   
     
     
         19 . An ice skate blade for mounting on a blade holder device in a mounting condition, the ice skate blade extending in a blade longitudinal axis between a first end and a second end and comprising a main skate body and an interacting hook device which extends from the main skate body transversely to the blade longitudinal axis for providing the mounting condition,
 wherein the interacting hook device comprises at least one extension for locking the ice skate blade to the blade holder device which comprises an undercut surface, which faces the second end and is configured to receive an edge portion of the blade holder device, the edge portion delimiting a recess for receiving the interacting hook device and which comprises a surface which faces the first end, and an entrainment extension which lies between the first end and the at least one extension for locking the ice skate blade to the blade holder device,   wherein the shortest distance in the blade longitudinal axis between a point on at least a portion of a surface which faces the first end and a point on at least a portion of the back surface which faces the second end amounts between 5 mm and 50 mm.