Abstract
A slide body (1) for ice sports equipment, in particular for skates, is proposed. The slide body (1) comprises two wall elements (14-1) which have a roller fastening portion (141), a mounting bar fastening portion (142),. and bearings (143) inserted in the roller fastening portion (141), as well as a multiplicity of rollers (15) arranged behind one another. The rollers (15) each comprise a shaft and are arranged between the first (14-1) and second wall element along the roller fastening portion (141), the shafts being inserted into the bearings (143) mounted in the wall elements (14-1). The rollers (15) further comprise a rolling face which has a ground surface.
Claims
1. A sliding body (1) for ice sports and ice skates, comprising: two wall elements (14-1, 14-2), wherein the wall elements (14-1, 14-2) comprise a roller attachment portion (141) and a support strip attachment portion (142), wherein the roller attachment portion (141) comprises a front portion (1411), a middle portion (1412), and a rear portion (1413), and wherein the wall elements (14-1, 14-2) comprise bearings (143) inserted in the roller attachment portion (141), a plurality of rollers (15) arranged one behind the other, wherein the rollers (15) each comprise an axle (151) and are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141), and wherein the axles (151) are inserted into the bearings (143) of the wall elements (14-1, 14-2), and wherein the rollers (15) comprise a rolling surface (152), wherein the rolling surfaces (152) comprise a grinding (1521).
2. The sliding body (1) according to claim 1, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that the contact points of the rolling surfaces (152) of three to seven rollers (15) in the middle portion (1412) lie on a straight line (G).
3. The sliding body (1) according to claim 1, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that the contact points of the rolling surfaces (152) in the front (1411) and/or rear (1413) portion lie on a front (VKL) and/or on a rear (HKL) line of curvature.
4. The sliding body (1) according to claim 1, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that the contact points of the rolling surfaces (152) of all the rollers (15) lie on a straight line (G).
5. The sliding body (1) according to claim 1, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that the rollers (15) have a roller protrusion (155) of between 20% to 40%, preferably between 25% and 35%.
6. The sliding body (1) according to claim 5, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that the individual rollers (15) have the same roller protrusion (155).
7. The sliding body (1) according to claim 5, wherein the rollers (15) are arranged between the first and second wall elements (14-1, 14-2) along the roller attachment portion (141) such that at least one roller (15) has a different roller protrusion (155) with respect to the other rollers (15).
8. The sliding body (1) according to claim 1, wherein the rollers (15) each have the same roller diameter (153).
9. The sliding body (1) according to claim 1, wherein the rollers (15) each have the same roller thickness (154).
10. The sliding body (1) according to claim 1, wherein the rollers (15) are each arranged with the same spacing one behind the other.
11. The sliding body (1) according to claim 1, wherein the number of rollers (15) is between 10 and 22.
12. The sliding body (1) according to claim 1, wherein the grinding (1521) of the rolling surfaces (152) comprises a hollow grinding with a hollow grinding radius between 9 mm to 26 mm or a surface grinding with an angle to the sliding surface between 5 to 40.
13. The sliding body (1) according to claim 1, wherein the rollers (15) are made of a metal alloy, of hard plastic or of ceramic.
14. The sliding body (1) according to claim 1, wherein the individual rollers (15) are exchangeable.
15. The sliding body (1) according to claim 1, wherein a support strip (16) is arranged between the first and second wall elements (14-1, 14-2) along the support strip attachment portion (142).
16. The sliding body (1) according to claim 1, wherein the wall elements (14-1, 14-2) are made of at least one metal alloy.
17. The sliding body (1) according to claim 16, wherein the wall elements (14-1, 14-2) have a sandwich construction through the metal alloys.
18. The sliding body according to claim 1, wherein the wall elements (14-1, 14-2) are made of carbon fiber reinforced plastic.
Description
BRIEF DESCRIPTION OF SEVERAL VIEWS OF THE DRAWINGS
[0048] Aspects of the invention are explained in more detail with reference to the embodiments shown in the following figures and the corresponding description.
[0049] FIG. 1 shows a schematic side view of a sliding body according to an embodiment of the invention;
[0050] FIG. 2 shows a schematic cross-section in the vertical direction along the A-A sectional plane of a sliding body according to the invention as shown in FIG. 1;
[0051] FIG. 3 shows a schematic section of a sliding body according to the invention in a side view as shown in FIG. 1;
[0052] FIG. 4a shows a schematic side view of a roller of a sliding body according to the invention as shown in FIG. 1;
[0053] FIG. 4b shows a schematic view of the rolling surface with hollow grinding of a sliding body according to the invention as shown in FIG. 1;
[0054] FIG. 4c shows a schematic view of the rolling surface with surface grinding of a sliding body according to the invention as shown in FIG. 1;
[0055] FIG. 4d shows a schematic view of the rolling surface with surface grinding of a sliding body according to the invention as shown in FIG. 1;
[0056] FIG. 5 shows a schematic side view of a wall element of a sliding body according to the invention as shown in FIG. 1; and
[0057] FIG. 6 shows a schematic side view of a mounting element of a sliding body according to the invention as shown in FIG. 1.
DETAILED DESCRIPTION OF THE INVENTION
[0058] The schematic side view shown in FIG. 1 shows an embodiment of a sliding body 1 for an ice skate or ice hockey boot. The sliding body 1 is shown in a side view and has a sliding body length 11 of 272 mm and a sliding body height 12 of 47 mm. The wall elements 14-1 shown in this embodiment are formed in one piece and each comprise thirteen arranged bearings 143 with an outer diameter of 9 mm and a bearing bore of 5 mm in the roller attachment portion 141, whereby the bearings are closed on the outside of the wall element in this embodiment. Furthermore, the sliding body 1 shown in FIG. 1 has thirteen rollers 15 arranged in series between the two wall elements 14-1 in the roller attachment portion 141, wherein three rollers 15 are arranged in the front portion 1411, seven rollers 15 are arranged in the middle portion 1412 and three rollers 15 are arranged in the rear portion 1413. In this embodiment, the rollers 15 all have the same roller diameter of 23 mm as well as a uniform roller protrusion 155, wherein the roller protrusion 155 is 30% of the proportion of the roller diameter for all rollers. Furthermore, the wall elements 14-1 have twelve recesses 147 between the inserted bearings 143 in the roller attachment portion 141, wherein the recesses 147 in this embodiment all have a concave contour. The sliding body 1 shown in this embodiment further comprises a support strip 16 between the two wall elements 14-1 in the support strip attachment portion 142, wherein the support strip 16 comprises three support strip mounting elements 161. The attachment means 17 used in this embodiment for attachment of the two wall elements 14-1 and the support strip 16 are countersunk screws.
[0059] FIG. 2 shows a schematic cross-section in the vertical direction along the A-A sectional plane shown in FIG. 1 of an embodiment of a sliding body 1 with a sliding body thickness 13 of 10 mm. The two opposing wall elements 14-1, 14-2 extend parallel in the vertical direction and have an intermediate space of constant size. Furthermore, the wall elements 14-1, 14-2 shown in this embodiment have a wall element thickness 146 of 2 mm and the rollers 15 mounted between the two wall elements 14-1, 14-2 have a rolling surface 152 of 3 mm. The rollers 15 shown in this embodiment and the corresponding axles 151 are each formed in one piece and inserted into the bearings 143 located in the two wall elements 14-1, 14-2. In this embodiment, the support strip 16 arranged between the two wall elements 14-1, 14-2 with the corresponding support strip mounting elements 161 is connected to the two wall elements 14-1, 14-2 by means of countersunk screws 17.
[0060] FIG. 3 shows a schematic side view of a front 1411, middle 1412 and rear 1413 portion of a sliding body 1. The thirteen rollers 15 arranged one behind the other in this embodiment example all have a roller diameter of 23 mm and a roller protrusion 155 of 30%. The three rollers 15 in the front portion 1411 and the three rollers 15 in the rear portion are arranged such that the contact points of the rolling surfaces in the front portion are on a front line of curvature VKL with a radius of curvature of 630 mm, and the contact points of the rolling surfaces in the rear portion are on a rear line of curvature HKL with a radius of curvature of 700 mm. Furthermore, the seven rollers 15 in this embodiment example are arranged in the middle portion 1412 in such a way that their contact points of the rolling surfaces lie on a straight line G.
[0061] The embodiment shown in FIGS. 4a, 4b, 4c and 4d shows a roller 15 of a sliding body according to the invention with a roller diameter 153 of 23 mm and a rolling surface 152 and roller thickness 154 of 3 mm. The roller 15 shown in FIG. 4b is arranged centrally on an axle 151, wherein the axle 151 has an axle diameter of 5 mm and a length of 9 mm. Furthermore, in this embodiment, spacer discs 1511 with an outer diameter of 7 mm and a thickness of 0.4 mm are arranged on the axle 151 on both sides of the roller 15 for better stability. Furthermore, the rolling surface 152 shown in FIG. 4b has a grinding 1521 in the form of a hollow grinding with a hollow grinding radius of 12.7 mm. In this embodiment, the two ground edges of the hollow grinding are aligned with the side surfaces of the roller. The embodiment of the sliding body according to the invention shown in FIG. 4c has a rolling surface 152 with an attached grinding 1521 in the form of a surface grinding with an angle to the sliding plane of 0, wherein the grinding edges of the surface grinding are aligned with the side surfaces of the roller. The embodiment of the sliding body shown in FIG. 4d has a rolling surface 152 with an attached grinding 1521 in the form of a surface grinding with an angle to the sliding plane of 20, wherein in this embodiment a grinding edge is in alignment with a side surface of the rollers.
[0062] The schematic side view shown in FIG. 5 shows an embodiment of a wall element 14-1 for a sliding body according to the invention. The wall element 14-1 shown in this embodiment has a wall element length 144 of 272 mm and a wall element height 145 of 24 mm. The wall element 14-1 shown has fourteen drill holes 148 with conical recesses in the support strip attachment portion 142 for attachment of the wall elements to the support strip by means of a countersunk screw, and thirteen breakthroughs 149 in the roller attachment portion 141 for receiving the bearings. Furthermore, the wall element 14-1 shown in this embodiment has twelve recesses 147 in the roller attachment portion 141 for weight reduction, wherein the recesses 147 have a concave contour in this embodiment.
[0063] The schematic side view shown in FIG. 6 shows an embodiment of a support strip 16 for a sliding body according to the invention. In this embodiment, the support strip 16 has three support strip mounting elements 161, thirteen support strip recesses 162 in the form of a circular arc and 14 support strip drill holes 163 for connection to the wall elements.
