EP0941819B1 - Leistenbesatz für Gattersägenblätter - Google Patents
Leistenbesatz für Gattersägenblätter Download PDFInfo
- Publication number
- EP0941819B1 EP0941819B1 EP99102985A EP99102985A EP0941819B1 EP 0941819 B1 EP0941819 B1 EP 0941819B1 EP 99102985 A EP99102985 A EP 99102985A EP 99102985 A EP99102985 A EP 99102985A EP 0941819 B1 EP0941819 B1 EP 0941819B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- saw blade
- fitment
- bar
- particular according
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
- B27B3/28—Components
- B27B3/30—Blade attachments, e.g. saw buckles; Stretching devices
Definitions
- the invention relates to a strip trim for frame saws, with a first bar, which protrudes laterally, Pins penetrating openings of the saw blade has at its free end obliquely inwards Form running tightening surfaces and thus each into a cylindrical opening in a second bar intervention.
- a trim for frame saws of the type mentioned is known from DE 37 18 042 C2, the tightening surfaces the journal of oblique cylindrical journal sections are formed, which at an angle of inclination directed obliquely in the direction of the fishing attack surfaces run.
- This course are cylindrical Adjusted openings of the second bar.
- the assembly or disassembly of the second bar must therefore in Direction of the oblique course. Besides, is working in the openings at this oblique angle to make what is not technically as proves favorable.
- the object of the invention is based on the object specify a fillet of the type in question, which in addition to a simplified production facilitates assembly and disassembly and which with loads occurring during sawing a system of the last trim on the saw blade guaranteed.
- the second bar is also not at an angle to thread the oblique course of the pin section as in the prior art.
- the pull-in area of is simple the outer surface of one with its base facing outwards facing truncated cone section.
- Such Shaping to create the tightening surface is easier producible as an oblique to the axial direction of the Spigot section.
- the Design according to the invention the advantage that Pressure point between the contact edge and the tightening surface with greater distance from the facing broad surface of the saw blade proceeds with the realization of favorable leverage ratios connected with that the second bar firmly against the broad surface of the saw blade facing her is pressed.
- the truncated cone section connects to a collar of the pin.
- This collar extends through the saw blade opening, which is chosen so large that the truncated cone section can enforce them. It is also provided that the base diameter is about the inside diameter of the Last opening corresponds. This allows after the Pushing the saw blade onto the peg the unobstructed Attach the second bar. hereafter are the two strips in a manner known per se using one or more screws, which reach through the saw blade.
- Another beneficial one Characteristic is that the axial length of the fret is slightly smaller than the thickness of the saw blade. This prevents the second bar in a support position can reach the federal government and thus the tension effect of the second bar on the saw blade impaired. The invention then provides that the length of the truncated cone section is somewhat larger is the material thickness of the second bar.
- the base edge can so do not dig into the opening. It is always ensured that the contact edge of the opening at the slant inward pulling surface becomes effective.
- a Tension reserve is realized according to the invention in that one on the outside, opening towards the saw blade Air gusset between contact point Provide opening wall and pin wall. there it proves advantageous that the pin is made of harder Material is made up as the second bar. this leads to to the fact that a deformation in the area under pressure the contact edge of the last opening is possible.
- the number 1 is suitable for frame saws Saw blade designated. This has on one Longitudinal edge saw teeth 2. At the narrow ends is 1 ', 1' ' the saw blade with a trimming 3 each Interaction with known, not illustrated Fishing, which in a saw frame of a frame saw are clamped, mostly several saw blades 1 are arranged side by side in parallel, for example. sawing boards from tree trunks.
- Each strip trim 3 has a first strip 4 which strikes a broad side surface of the saw blade 1 and a second strip 5 which is arranged at the same height and which abuts the other broad side surface of the saw blade.
- the first bar 4 is the carrier of a plurality of pins 6, which are arranged in a row parallel to the longitudinal edge of the bar 4. The distance between the pins 6 is the same.
- the pins 6 act together with a series of saw blade openings 7, the hole spacing of which corresponds to the spacing of the pins 6 from one another, so that the first strip 4 can be connected to the relevant narrow end 1 ', 1''of the saw blade 1.
- the second bar 5 is also in series with one another arranged openings 8 equipped, in which the pins 6 passing through the saw blade openings 7 intervention.
- the hole spacing between the openings 8 corresponds to the hole spacing of the saw blade openings.
- the second bar 5 is placed so that it in aligned opposite to the first bar 4 is.
- each pin 6 is riveted to the first bar 4.
- the pin 6 has a rivet attachment 10, which passes through a bore 11 of the first bar 4 and is fixed there by means of a rivet head.
- the rivet attachment 10 is included compared to the rivet attachment 10 larger diameter collar 12, the outer diameter u is slightly smaller than the diameter x of the saw blade opening 7.
- the one lying in the axial direction Length b of the collar 12 is also less than the thickness a of the saw blade 1.
- the Waistband 12 In contrast to the rivet attachment 10 follows the Waistband 12 with its base 13 facing outward Truncated cone section 14.
- the base diameter y corresponds approximately to the inner diameter z of the bar opening 8, so that the second ledge 5 on the truncated cone sections 14 of the saw blade openings 7 reaching through Pin 6 can be attached. That means, that the diameter x of the saw blade opening 7 is the base diameter y corresponds.
- the length d of the truncated cone section 14, as can be clearly seen in FIG. 2 is slightly larger than the material thickness c of the second Bar 5. Accordingly, the base surface of the truncated cone section is 14 something about the broadside surface in question the second bar 5 in front.
- Attaching the saw blade 1 and the second Bar 5 takes place in the direction of the surface normal, because not only the saw blade openings 7 in the surface normal lie, but also the cylindrical openings 8th the second bar 5. This ensures that the screw openings 17 for the passage of the two Last 5, 6 connecting screw 9 always in optimal escape position and still a tightening torque is generated towards the saw blade 1.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
- Insertion Pins And Rivets (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
- Fig. 1
- eine mit dem erfindungsgemäßen Leistenbesatz ausgestattete Säge in Ansicht und
- Fig. 2
- in stark vergrößerter Darstellung den Schnitt nach der Linie II-II in Fig. 1.
Der Abstand zwischen den Zapfen 6 ist dabei gleich. Die Zapfen 6 wirken zusammen mit einer Reihe von Sägeblatt-Öffnungen 7, deren Lochabstand dem Abstand der Zapfen 6 untereinander entspricht, so daß die erste Leiste 4 in Steckverbindung zum betreffenden Schmalende 1', 1'' des Sägeblattes 1 bringbar ist.
Claims (8)
- Leistenbesatz für Gattersägen, mit einer ersten Leiste (4), welche seitlich abragende, Öffnungen (7) des Sägeblattes (1) durchdringende Zapfen (6) aufweist, die an ihrem freien Ende schräg einwärts verlaufende Anzugsflächen (15) ausbilden und damit jeweils in eine zylinderförmige Öffnung (8) einer zweiten Leiste (5) eingreifen, gekennzeichnet durch jeweils eine jeder Anzugsfläche (15) in Druckrichtung gegenüberliegende Anlagekante (16) der zugehörigen Öffnungen (8), deren Achsen in der Flächennormalen liegen.
- Leistenbesatz nach Anspruch 1 oder insbesondere danach, dadurch gekennzeichnet, daß die Anzugsfläche (15) von der Mantelfläche eines mit seiner Basis (13) nach außen weisenden Kegelstumpfabschnittes (14) gebildet ist.
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, daß der Kegelstumpfabschnitt (14) sich an einen Bund (12) des Zapfens (6) anschließt.
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, daß der Basisdurchmesser (y) etwa dem Innendurchmesser (z) der Leisten-Öffnung (8) entspricht.
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, daß die axiale Länge (b) des Bundes (12) etwas kleiner ist als die Dicke (a) des Sägeblattes (1).
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, daß die Länge (d) des Kegelstumpfabschnittes (14) etwas größer ist als die Materialstärke (c) der zweiten Leiste (5).
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, gekennzeichnet durch einen sich zum Sägeblatt (1) hin öffnenden, am außenliegenden Anlagepunkt (P) beginnenden Luftzwikkel (L) zwischen Öffnungswandung und Zapfenwandung.
- Leistenbesatz nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, daß der Zapfen (6) aus härterem Material besteht als die zweite Leiste (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19810401 | 1998-03-11 | ||
DE19810401A DE19810401A1 (de) | 1998-03-11 | 1998-03-11 | Leistenbesatz für Gattersägen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0941819A2 EP0941819A2 (de) | 1999-09-15 |
EP0941819A3 EP0941819A3 (de) | 2002-01-16 |
EP0941819B1 true EP0941819B1 (de) | 2003-11-12 |
Family
ID=7860435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99102985A Expired - Lifetime EP0941819B1 (de) | 1998-03-11 | 1999-02-15 | Leistenbesatz für Gattersägenblätter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0941819B1 (de) |
AT (1) | ATE254015T1 (de) |
DE (2) | DE19810401A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0300610D0 (sv) * | 2003-03-06 | 2003-03-06 | Electrolux Ab | Arrangement for a motordriven hand tool such as a chain saw |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE378830C (de) * | 1923-08-03 | Eugen Altena | Beleistung fuer Gattersaegen | |
DE482976C (de) * | 1929-09-23 | Erik Meyer | Saegeangel fuer paarweise an einer Wippe aufgehaengte Saegen | |
AT279138B (de) * | 1968-01-12 | 1970-02-25 | Miller Gmbh Martin | Sägeblatt für Gattersägen |
DE3718042C2 (de) * | 1987-05-28 | 1996-10-31 | Jansen Herfeld Roettger Fa | Gattersägeblatt mit versetzbaren Leisten |
-
1998
- 1998-03-11 DE DE19810401A patent/DE19810401A1/de not_active Withdrawn
-
1999
- 1999-02-15 AT AT99102985T patent/ATE254015T1/de not_active IP Right Cessation
- 1999-02-15 EP EP99102985A patent/EP0941819B1/de not_active Expired - Lifetime
- 1999-02-15 DE DE59907672T patent/DE59907672D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59907672D1 (de) | 2003-12-18 |
ATE254015T1 (de) | 2003-11-15 |
EP0941819A3 (de) | 2002-01-16 |
DE19810401A1 (de) | 1999-09-16 |
EP0941819A2 (de) | 1999-09-15 |
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