EP0921902A1 - Device for post-machining a steel edge of a ski - Google Patents
Device for post-machining a steel edge of a skiInfo
- Publication number
- EP0921902A1 EP0921902A1 EP97930253A EP97930253A EP0921902A1 EP 0921902 A1 EP0921902 A1 EP 0921902A1 EP 97930253 A EP97930253 A EP 97930253A EP 97930253 A EP97930253 A EP 97930253A EP 0921902 A1 EP0921902 A1 EP 0921902A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding wheel
- axis
- steel edge
- rotation
- adjusting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C11/00—Accessories for skiing or snowboarding
- A63C11/04—Accessories for skiing or snowboarding for treating skis or snowboards
- A63C11/06—Edge-sharpeners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/006—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools for edges of skis, snowboards or the like
Definitions
- the invention relates to a device for reworking a steel edge of a ski, consisting of a cup-shaped grinding wheel driven by a motor with an axis of rotation extending transversely to the direction of advance.
- the invention is therefore based on the object of designing a device for reworking a steel edge of a ski of the type described at the outset in such a way that simple and precise grinding of the steel edge is possible in the region not only of the outer surface but also of the tread side of the machining surface.
- the invention solves this problem in that the grinding wheel with the motor in a frame of an adjusting device about a pendulum axis is freely rotatably mounted, which is transverse to the feed direction and runs perpendicular to the axis of rotation of the grinding wheel and that the adjusting means for positioning the grinding wheel against the steel edge in the direction of the axis of rotation of the grinding wheel about a pivot axis parallel to the feed direction between two working positions on the one hand for the tread side and on the other hand for the outside machining surface of the steel edge
- the grinding wheel Due to the free rotatability of the grinding wheel about a pendulum axis, which runs perpendicular to the axis of rotation of the grinding wheel and preferably also perpendicular to the feed direction, the grinding wheel can be positioned in a self-aligning manner on the steel edge by means of the adjusting device in such a way that it lies in two opposite one another with respect to a chord Circumferential areas are present, which allows an independent adjustment of the grinding wheel alignment in relation to the respective processing area of the steel edge also in the waisted area of the long side of the respective machining surface is aligned vertically.
- the grinding wheel can be adjusted after welding by appropriate actuation of the actuating device, for example by an actuating cylinder Adjustment must be made to the steel edge in order to then independently follow the longitudinal course of the steel edge during the machining feed, which requires a corresponding adjustment via the adjusting device, particularly in the area of the ski's tail
- the adjusting device can be designed differently, because it is only important to adjust the grinding wheel in the direction of its axis of rotation against the surface of the steel edge to be machined.
- the adjusting device can consist of a slide which can be moved on a sliding guide parallel to the axis of rotation of the grinding wheel.
- the sliding guide has the pivot axis for the two working positions so that the slide with its sliding guide is pivoted in order to be able to grind the other surface to be machined after machining one surface of the steel edge.
- Another possibility of designing the adjusting device is obtained if the adjusting device forms a support which can be pivoted about the pivot axis and on which the frame for the pendulum mounting of the grinding wheel is articulated via a joint parallelogram. This joint parallelogram can be used to position the grinding wheel against the surface of the steel edge to be machined in the direction of the grinding wheel axis.
- a holder mounted between the bearing tips as a pendulum axis in the frame of the slide can be provided for the grinding wheel with the motor
- the angles of inclination of these machining surfaces can also be specified via stops for these working positions.
- adjustable stops can be provided for the adjusting device.
- the stops for the adjusting device consist of adjustable stop cams. In this case, in order to determine the desired inclination of the machining surfaces, only the stop cams have to be rotated into the corresponding stop position, in order to be able to guarantee usually predetermined angles of inclination for the machining surfaces.
- FIG. 1 shows a device according to the invention for reworking a steel edge of a ski in a simplified plan view
- FIG. 2 shows this device in a side view in the direction II of FIG. 1
- FIG. 3 shows a view in the direction III of FIG. 1
- 4 shows a representation of the device corresponding to FIG. 3 in a working position pivoted with respect to FIGS. 1 to 3
- FIG. 5 shows a representation of a construction variant of the device according to the invention corresponding to FIG. 1
- the device shown has a cup-shaped grinding wheel 1, which is flanged to the drive shaft of a motor 2 and is provided with a protective cover 3.
- This assembly which is formed from the motor 2 and the grinding wheel 1, is fastened to an essentially U-shaped holder 4, the legs of which 5 between the bearing tips 6 of a frame 7 encompassing the holder 4 are freely rotatable.
- These bearing tips 6 thus form a pendulum axis a for the grinding wheel 1 which runs perpendicular to the axis of rotation of the grinding wheel 1 and to the feed direction 8, as can be seen in particular from FIGS. 1 and 2
- the frame 7 is part of an adjusting device which, according to FIGS.
- the sliding guide 10 has two parallel guide rods 11 on which the carriage 9 with the help of sliding blocks 12 ve
- the slide for the slide consists of an actuating cylinder 13 which can be pressurized with compressed air, for example. With the aid of this actuating cylinder 13, the grinding wheel 1 can accordingly be placed against the steel edge 14 of a ski 15 which is supported on support rollers 16 in the feed direction 8 on the grinding wheel 1
- the protective cover 3 has a recess 17 in the machining area, as can be seen in particular in FIG. 1.
- the grinding wheel 1 Due to the pendulum bearing around the pendulum axis a formed by the bearing tips 6, the grinding wheel 1 is independently directed towards the one when axially loaded Machining steel edge 14, so that despite the waist of the ski 15 an exact machining of the long side of the steel edge 14 is achieved.
- the pressure force applied to the grinding wheel 1 via the actuating cylinder 13 also provides a tracking of the carriage 9 in accordance with the width changes of the ski 1 5 sure
- the sliding guide 10 is arranged on a shaft 18 running parallel to the feed direction 8, the bearing of which is designated by 19.
- FIGS. 1 to 3 show the working position for grinding the long side of the steel edge 14. In this working position, the counter-stop 23 interacts with the stop 21.
- the sliding guide 10 is pivoted about the shaft 20 about the shaft 18 into the working position according to FIG. 4, in which the stop 22 comes into play. Accordingly, the grinding wheel 1 is adjusted between its two working orientations about a pivot axis b formed by the shaft 18 and parallel to the feed direction 8. By acting on the actuating cylinder 13, the grinding wheel 1 is set independently of the respective working position. However, in comparison to machining the longitudinal side of the steel edge, the grinding wheel 1 bears against the steel edge 14 in an opposite circumferential region, which requires the protective cover 3 to be formed with two mutually opposite recesses 17.
- the steel edge 14 forms a chord with respect to the annular end face of the cup-shaped grinding wheel 1, so that by the abutment of the grinding wheel 1 on two circumferential regions lying opposite one another with respect to this chord, a precise grinding wheel guide with respect to the steel edge 14 is ensured by the pendulum mounting, which is a represents an essential prerequisite for exact reworking of the steel edge 14.
- stops 25 can be provided, which according to the exemplary embodiment are designed as angled lugs on one of the legs 5 of the holder 4 and interact with the frame 7 Stops are particularly important when the grinding wheel 1 is in contact with the steel edge 14 only in one of the two circumferential areas at the beginning or at the end of the grinding process because the rear circumferential area in the feed direction has not yet reached the machining area or the front circumferential area has already reached the machining area has left
- the device according to FIG. 5 shows an adjusting device for the grinding wheel which is modified compared to the embodiment according to FIGS. 1 to 4. 5 namely consists of a support 26 mounted on the shaft 18. It is connected to the frame 7 via guide cheeks 27 articulated on both the support 26 and the frame 7. These guide cheeks 27 form an articulated parallelogram 28 for positioning the grinding wheel 1 in the direction of its axis of rotation. The positioning movement takes place by means of an actuating cylinder 29 which, for. B. is pressurized with compressed air.
- an actuating cylinder 29 which, for. B. is pressurized with compressed air.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Coating With Molten Metal (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT133996 | 1996-07-25 | ||
AT0133996A AT409090B (en) | 1996-07-25 | 1996-07-25 | DEVICE FOR FINISHING A STEEL EDGE OF A SKIS |
PCT/AT1997/000170 WO1998004384A1 (en) | 1996-07-25 | 1997-07-22 | Device for post-machining a steel edge of a ski |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0921902A1 true EP0921902A1 (en) | 1999-06-16 |
EP0921902B1 EP0921902B1 (en) | 2001-12-12 |
Family
ID=3511763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97930253A Expired - Lifetime EP0921902B1 (en) | 1996-07-25 | 1997-07-22 | Device for post-machining a steel edge of a ski |
Country Status (5)
Country | Link |
---|---|
US (1) | US6086465A (en) |
EP (1) | EP0921902B1 (en) |
AT (2) | AT409090B (en) |
DE (1) | DE59705790D1 (en) |
WO (1) | WO1998004384A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20010156U1 (en) * | 2000-06-07 | 2001-10-18 | Thielen Feinmechanik Gmbh & Co | Device for grinding the edges of winter sports equipment |
AT410525B (en) * | 2001-02-02 | 2003-05-26 | Wintersteiger Gmbh & Co | DEVICE FOR MACHINING THE SIDE EDGES OF SKIS |
US6805622B1 (en) * | 2003-03-11 | 2004-10-19 | Wolfgang C. Dorner | Ski sharpening arrangement |
AT413802B (en) * | 2004-01-30 | 2006-06-15 | Wintersteiger Gmbh & Co | DEVICE FOR REPRODUCING A STEEL EDGE OF A SKIS |
DE602004016452D1 (en) * | 2004-01-30 | 2008-10-23 | Mantec Engineering S R L | Device for grinding the edges of skis or snowboards |
CA2536818A1 (en) * | 2005-02-16 | 2006-08-16 | Guspro Inc. | Portable skate sharpener |
ITTO20101025A1 (en) * | 2010-12-20 | 2012-06-21 | Espaplast S R L | DEVICE FOR THE PREPARATION OF SKI LAMINS |
US9878415B1 (en) * | 2014-07-22 | 2018-01-30 | Durell Laboratories, Inc. | Portable ski and snowboard edge sharpener |
US10905938B2 (en) * | 2014-07-22 | 2021-02-02 | Durell Laboratories, Inc. | Portable ski and snowboard edge sharpener and method of using the same |
FR3033255A1 (en) * | 2015-03-04 | 2016-09-09 | Jean Pierre Bocquet | SIMULTANEOUS SHARPENING DEVICE FOR LOWER AND LATERAL SKI RODS BY ABRASIVE DISC |
FR3071416B1 (en) * | 2017-09-28 | 2020-05-29 | Snowglide Tools Sarl | ABRASIVE MACHINE WITH DEFORMABLE PARALLELOGRAM |
AT523052B1 (en) * | 2019-11-22 | 2021-05-15 | Wintersteiger Ag | Method for controlling a device for regrinding a steel edge of a ski |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1050275A (en) * | 1976-04-01 | 1979-03-13 | Bertrand Robinson | Ice-skate sharpener |
SU623716A1 (en) * | 1976-12-06 | 1978-09-15 | Волжский Ордена Трудового Красного Знамени Завод Цементного Машиностроения "Волгоцеммаш" | Device for cleaning chamfers for welding |
AT348390B (en) * | 1977-03-17 | 1979-02-12 | Knieschek Siegbert | DEVICE FOR SIMULTANEOUSLY SHARPENING BOTH STEEL EDGES OF A SKI |
DE3107080A1 (en) * | 1981-02-25 | 1982-09-09 | Finsterwald, Martin, 8025 Unterhaching | DEVICE FOR SHARPENING SKI EDGES |
CH661876A5 (en) * | 1984-03-29 | 1987-08-31 | Hans Roelli | Grinding device for the manual profiling or refinishing of edges, especially for the sharpening of steel edge surfaces of a ski |
US4818839A (en) * | 1985-06-12 | 1989-04-04 | K-2 Corporaton | Process for treating the metal edge of a ski |
US4679356A (en) * | 1986-05-09 | 1987-07-14 | Thomas Jacques B | Automatic ski tuning device |
GB8811370D0 (en) * | 1988-05-13 | 1988-06-15 | Beckingham W J | Ski sharpener |
DE3827977C1 (en) * | 1988-08-18 | 1989-04-27 | Reichmann + Sohn Gmbh, 7912 Weissenhorn, De | Machine for grinding the surfaces, running parallel to the running surfaces, of the steel edges of a ski |
DE3914977A1 (en) * | 1989-05-06 | 1990-11-08 | Matthias Heinhaus | GRINDING DEVICE FOR REFINING SKI EDGES |
FR2717092B1 (en) * | 1994-03-11 | 1996-04-19 | Skid Sa | Machine for treating ski soles, in particular by sanding. |
-
1996
- 1996-07-25 AT AT0133996A patent/AT409090B/en not_active IP Right Cessation
-
1997
- 1997-07-22 AT AT97930253T patent/ATE210535T1/en not_active IP Right Cessation
- 1997-07-22 EP EP97930253A patent/EP0921902B1/en not_active Expired - Lifetime
- 1997-07-22 US US09/230,307 patent/US6086465A/en not_active Expired - Lifetime
- 1997-07-22 DE DE59705790T patent/DE59705790D1/en not_active Expired - Lifetime
- 1997-07-22 WO PCT/AT1997/000170 patent/WO1998004384A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9804384A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998004384A1 (en) | 1998-02-05 |
DE59705790D1 (en) | 2002-01-24 |
AT409090B (en) | 2002-05-27 |
US6086465A (en) | 2000-07-11 |
ATE210535T1 (en) | 2001-12-15 |
ATA133996A (en) | 2001-10-15 |
EP0921902B1 (en) | 2001-12-12 |
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