EP1543928B1 - Vorrichtung und Verfahren zum Ausrichten und Schneiden von Baumstämmen - Google Patents

Vorrichtung und Verfahren zum Ausrichten und Schneiden von Baumstämmen Download PDF

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Publication number
EP1543928B1
EP1543928B1 EP04356198A EP04356198A EP1543928B1 EP 1543928 B1 EP1543928 B1 EP 1543928B1 EP 04356198 A EP04356198 A EP 04356198A EP 04356198 A EP04356198 A EP 04356198A EP 1543928 B1 EP1543928 B1 EP 1543928B1
Authority
EP
European Patent Office
Prior art keywords
cradle
trunks
logs
cutting
machine 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.)
Not-in-force
Application number
EP04356198A
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English (en)
French (fr)
Other versions
EP1543928A1 (de
Inventor
Christian Lucien Alphonse Levis
Stéphane Joseph René Levis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arci Rhone Alpes Ateliers de Reparations et de Constructions Industrielles
Original Assignee
Arci Rhone Alpes Ateliers de Reparations et de Constructions Industrielles
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arci Rhone Alpes Ateliers de Reparations et de Constructions Industrielles filed Critical Arci Rhone Alpes Ateliers de Reparations et de Constructions Industrielles
Publication of EP1543928A1 publication Critical patent/EP1543928A1/de
Application granted granted Critical
Publication of EP1543928B1 publication Critical patent/EP1543928B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/006—Accessories specially designed for sawing machines or sawing devices for removing or collecting chips
    • 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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0041—Saw benches or saw bucks
    • B27B17/0058—Saw benches or saw bucks with the saw being pivotally mounted
    • 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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0083—Attachments for guiding or supporting chain saws during operation
    • 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
    • B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
    • B27B27/02—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon arranged laterally and parallel with respect to the plane of the saw blade
    • 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
    • B27B29/00—Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
    • B27B29/02—Clamping angles; Gripping equipment thereon

Definitions

  • the invention relates to a machine according to the preamble of claim 1 and to a method according to the preamble of claim 10 for cutting wood logs using a cutting member such as a chainsaw.
  • a cutting member such as a chainsaw.
  • Such a device and such a method are known from US-A-3 688 818 which is considered to be the closest state of the art.
  • log cutting is usually done by a logger who wears a chainsaw, which is a painful and imprecise operation, since the length of the logs thus produced depends essentially on the appreciation of the woodcutter.
  • devices on wheels including a chainsaw whose blade pivots about a horizontal axis, which allows to cut the logs of a bundle at the same time.
  • the implementation of such a device is relatively long insofar as the mobile chainsaw can have a relatively low power.
  • the mobile device must be moved relative to the bales, which implies that the cuts are relatively inaccurate.
  • US-A-3,254,686 and US-A-3,623,519 also teach using moving plates in horizontal translation to align logs, with the same disadvantages as the known device of US-A-3,688,818.
  • the invention intends to remedy more particularly by proposing a new cutting machine that allows a rapid and precise processing of logs, gathered in bundles or not.
  • the invention relates to a wood log cutting machine according to claim 1
  • the cradle makes it possible to align the logs under the effect of their weight, which facilitates their setting to length or "franking".
  • a cradle also makes it possible to envisage using a cutting member such as a chainsaw having a greater power than that of the chainsaws known from the prior art, insofar as such a chainsaw must no longer be moved by a operator between each cut, the cradle itself can allow the relative positioning of logs relative to the blade of the chainsaw.
  • a log cutting machine may incorporate one or more of the features mentioned in claims 2 to 9, taken in any technically permissible combination.
  • the invention also relates to a method of cutting logs according to claim 10.
  • the machine 1 shown in the figures comprises a frame 2 made of metal beams welded together and having four legs, three of which are visible in the figures, with the references 21, 21 'and 22, and three horizontal crosspieces 23, 24 and 25.
  • a frame 4 mounted on the frame 2 is formed of four crosspieces 41, 42, 43 and 44 assembled together by welding.
  • the frame 4 is movable, relative to the frame 2, pivotally about an axis AA 'generally horizontal when the frame 2 is placed on a horizontal floor.
  • the double arrow F 1 represents, in FIGS. 1 and 4, this possibility of pivoting which is controlled by means of a hydraulic cylinder 45 whose body is attached to the crossmember 24 and whose rod is attached to the crossmember 42.
  • a Another cylinder may be mounted on the machine side 1 which is not visible in Figure 1.
  • a main carriage 5 formed of four metal crosspieces welded together 51, 52, 53 and 54.
  • the position of the carriage 5 in the direction XX' is controlled by a hydraulic cylinder 55 of stroke equal to about 495 mm.
  • a secondary carriage 6 formed of three crosspieces 61, 62 and 63.
  • the relative position of the carriages 5 and 6 is controlled by two hydraulic cylinders 65 a and 65 b mounted in opposition.
  • a cradle 7 comprising two beams 71 a and 72 b extending parallel to the direction XX 'in the configuration of Figure 1 and connected by three supports 72 a, 72 b and 72 c each of which are mounted two clamps 73 a and 73 b.
  • the 72a and 72c supports are secured relative to the beams 71 a and 71 b.
  • the support 72b is movable between the supports 72 a and 72 c.
  • each clamp 73 a and 73 b mounted on the support 72 is hinged about an axis X-X 'a or X b -X' b parallel to direction X -X ', which allows a pivoting movement shown by the arrows F 2a and F 2b to an opening more or less pronounced for the pair of pincers 73 a, 73 b.
  • the clamp 73 a is controlled in its pivoting about the axis X a -X 'has two hydraulic cylinders 75 a and 75' a which are mounted in opposition, the actuator 75 has having a relatively short stroke relative to the cylinder 75 a .
  • the clamp 73 b is controlled by two hydraulic cylinders 75 b and 75 'b, which are mounted in opposition and including the cylinder 75 ' b at a relatively low stroke compared to that of the cylinder 75' a .
  • the clamps 73 a and 73 b mounted on the other supports 72 b and 72 c are also controlled by hydraulic cylinders and are pivotable about the axes X-X 'a and X b -X' b.
  • Each clamp 73 a or 73 b is provided at its free end, several fingers 74 designed to interlock with the fingers of the proposed gripper, which ensures effective maintenance of G logs with a bundle or bundle F up on the cradle 7, including when the clamps 73 a and 73 b are not fully tightened, as shown in figures 3 and 3A.
  • a plate 8 is provided near the carrier 72c and extends perpendicularly to the main directions of the beams 71 a and 71 b.
  • the plate 8 is rigidly connected to the cradle 7 and forms therewith a subset hinged about an axis BB 'parallel to the axis AA' and perpendicular to the direction X-X '.
  • Hinges 81 and 82 allow a reversible pivoting movement of the subassembly formed by the elements 7 and 8 between the position shown in Figure 1, where the plate 8 extends in a plane P 8 perpendicular to the direction X-X ' , and that represented in FIG. 3. This movement is represented by the arrows F 3 in FIGS. 1 and 3.
  • a hydraulic jack 85 whose body is attached to the carriage 6 and whose rod attacks the plate 8, makes it possible to control the orientation of the aforementioned subset around the axis B-B '.
  • a chain saw 9 is mounted on the frame 2 by means of a support 91.
  • This chain saw comprises an actuator assembly 92 and a device 93 for controlling the pivoting of an arm 94 about an axis CC 'perpendicular to the axes AA' and BB 'and parallel to the direction X-X '.
  • On the arm 94 is mounted a blade 95 on which a cutting chain 96 runs.
  • a guide 10 is provided on the opposite side of the chain saw 9 with respect to the elements 4 to 8 and is provided with a slot 101 for receiving the end 95 of the blade 95, in order to avoid unwanted movements of this blade and chain 96 parallel to the direction X-X ', during the implementation of the chainsaw 9.
  • the guide 10 is pivotable about an axis D-D 'parallel to the axis C-C'.
  • a chute 110 for the recovery of sawdust and waste of relatively small dimensions. This chute empties into a recovery tank 112.
  • the S arrows represent the path of the sawdust.
  • a tray 120 for log recovery once they are cut is installed in front of and below the chute 110, this tray being shown only in Figure 2.
  • the position of the support 72 b between the support 72 a and 72 c can be adjusted by a hydraulic cylinder 76, which allows the support 72b to be passed from the configuration of FIG. 5 to that of FIG. 7, for example.
  • the support 72b is pushed by the jack 76 against the support 72 a .
  • the support 72 b is arranged thanks to the jack 76, in an intermediate position between the supports 72 a and 72 c .
  • the movements of the support 72 has are done before the cradle 7 is loaded with logs.
  • the straight line ⁇ in broken lines represents the trace of the cut made by the chain saw 9 when the arm 94 is lowered towards the frame 4, pivoting about the axis C-C '.
  • the line ⁇ is perpendicular to the direction X-X 'and the axes C-C' and D-D '.
  • the distance X 0 between the face 83 of the plate 8 facing towards the clamps 73 a and 73 b and ⁇ is equal to 990 mm.
  • the cylinder 65 a is activated from the configuration of Figure 5, which achieves the configuration Figure 7 where the distance X 0 is then equal to 660 mm, which allows to cut a first set of logs. Then the other cylinder 65 b is activated, which allows to reach the configuration of Figure 8 where the distance X 0 is increased to 330 mm, which allows to cut another series of logs.
  • a bundle F is loaded on the cradle 7 by any appropriate means, including a crane not shown.
  • the arrow F 6 represents this loading operation of the cradle 7 with a bundle F.
  • the links L 1 and L 2 which hold the logs G together are sectioned then the jacks 75 a , 75 'a, 75 b and 75' b of different clip pairs 73 a and 73 b are actuated to close the pliers.
  • the fingers 74 of the clamps are then strongly nested within each other.
  • the cylinder 85 is then activated to switch the assembly formed by the elements 7 and 8 and reach the configuration of Figure 3 where the jacks 75 'a and 75' b are retracted, so that the clamps 73 a and 73 b are slightly reopened, which allows the logs G to slide relative to each other to come to bear on the surface 83 of the plate 8 under the effect of their own weight.
  • the assembly 7-8 can be vibrated or driven back and forth over small strokes by any appropriate means.
  • the actuators 75 'a and 75' b are reactivated to tighten G logs together, then the cylinder 85 is again activated to bring the cradle 7 in a substantially horizontal configuration. It is then in the configuration of Figure 5 where the arm 94 is lowered and where the chain saw 9 is actuated, the guide 10 is already folded towards the blade 95, which allows for a "postage” or a lengthening of the logs G, the sawdust and small pieces resulting from this franking operation fall into the chute 110 and the tank 112 by gravity.
  • the arm 94 and the guide 10 are raised, which makes it possible to pass the carriage 6 of the configuration of FIG. 5 to that of FIGS. 4 and 6, when it is desired to make logs of length at about 50 cm, then the arm 94 is lowered again and the chainsaw 9 is again activated to cut the logs in the plane of the line ⁇ in FIG. 6.
  • the clamps 73 a and 73 b are then reopened and the entire frame 4 and the elements which it supports is pivoted about the axis A-A ', thereby breaking down logs into the tray 120.
  • pads of synthetic material are interposed between these parts.
  • these pads may be made of PE-HMW (for example CESTILENE HD 500 from Bay Plastics)
  • the cylinders of the machine 1 are all hydraulic and are advantageously supplied with a biodegradable oil, for example oil marketed under the reference BIOHYDRAN VDMA 24568 TYP HEES grade 46 by the company TOTAL, which avoids any risk of lasting pollution in case leakage, it being understood that the machine 1 can be installed in nature.
  • a non-biodegradable oil may be used.
  • each of the jacks of the machine 1 can be controlled in all or nothing, so that the different strokes can be obtained without sophisticated control device.
  • the different cylinders operate in open loop, which greatly facilitates the construction of the machine and keeps a cost price quite attractive.
  • the various cylinders can be controlled by solenoid valves and / or radio systems, which provides a secure operation.
  • the machine 1 has been shown with a static chassis 2. However, it can be mounted on the bed of a truck or other transport device. Alternatively, the feet 21, 22 and equivalent of the frame 2 may be equipped with wheels, which allows the machine 1 to move around a pile of wood to be treated. These wheels can be motorized and directional, the machine 1 is then self-driving.
  • the machine 1 can be associated with a generator set or a heat engine for the supply different cylinders, or even the driving of the chainsaw.
  • the control of the tilting of the arm 94 around the axis C-C ' can be done manually by the operator. Alternatively, it can be achieved by a hydraulic or electrical device, in which case it is advantageously automated.
  • the chain saw 9 is movable parallel to the axis A-A ', which facilitates its release in view, on the one hand, of the placement of the logs and, on the other hand, on the other hand, of their dumping in the tank 120.
  • the pairs of cylinders 75 a and 75 has, firstly, 75b and 75 'b, on the other hand, may each be replaced by a cylinder equipped with a valve depression rod side permits to slightly re-open the clamps 73 a and 73 b with a progressive movement upon reaching the configuration of Figure 3.
  • the invention has been represented with logs previously grouped into bales. It also applies in case the logs are arranged individually on the cradle.
  • the values mentioned in the description for the strokes of cylinders and moving parts are indicative and can be adjusted by the specialist, in particular according to the lengths of the logs to be cut.
  • the length of the logs accepted by the cradle 7 can vary from about 1 meter to several meters, for example 6 meters.
  • some or all of the cross members constituting the elements 4 to 6 may have their largest transverse dimensions arranged vertically in order to best withstand the weight of the logs and the efforts of sawing.
  • the sections of the crosspieces visible in Figure 2 may have their largest vertical axis.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Catching Or Destruction (AREA)
  • Harvester Elements (AREA)

Claims (10)

  1. Vorrichtung zum Schneiden von Baumstämmen, enthaltend ein Schneidorgan, einen Wagen (7) zur Aufnahme von Rundhölzern (G), wobei der Wagen beweglich ist zwischen einer Schnittposition, die kompatibel zu der Verwendung des Organs (9) für das Schneiden der Stämme ist, und einer Position der Ausrichtung in Längsrichtung der Rundhölzer, dadurch gekennzeichnet, dass der Wagen (7) zwischen den zwei Positionen beweglich ist durch Schwenken (F3) um eine Achse (B-B'), die im Wesentlichen horizontal ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass eine Stützplatte (8) an dem Wagen (7) liegt und das Rundholz (G) stützt, wenn der Wagen in der Ausrichteposition ist (Fig. 3).
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wagen (7) mit zumindest einem Satz Klammern (73a, 73b) zum Spannen der Rundhölzer (G) versehen ist, wobei zumindest einer (72b) der Sätze der Klammern (73a, 73b) translatorisch entlang einer Richtung (X-X') im Wesentlichen senkrecht zur Schnittrichtung (Δ) beweglich ist.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der oder jeder Satz Klammern (73a, 73b) zwischen drei Konfigurationen einstellbar ist, insbesondere einer ersten Konfiguration, die offen ist, bei der die Rundhölzer (G) in dem Wagen (7) platziert werden können, einer zweiten Konfiguration, die geschlossen ist, in der die Rundhölzer in dem Wagen für einen Schnittbetrieb blockiert sind, und einer dritten Konfiguration, die dazwischen liegt, in der die Klammern angepasst sind, die Rundhölzer in dem Wagen zurückzuhalten, wobei sie Bewegungen der Rundhölzer gegeneinander parallel zu ihren größten jeweiligen Dimensionen erlauben.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wagen (7) auf einem mobilen Schlitten (6) translatorisch entlang einer Richtung (X-X') im Wesentlichen Senkrecht zur Schnittrichtung (Δ) montiert ist.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Schlitten (6) zwischen vier Positionen beweglich ist, die jeweils der Länge der Rundhölzer (G) liegen, bei einem ersten Schnitt der Stämme mit einer Länge etwa entsprechend 330 mm, einem Schnitt der Stämme auf eine Länge entsprechend etwa 500 mm und einem zweiten Schnitt der Stämme auf eine Länge entsprechend etwa 330 mm.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Schlitten (6) auf einen Hauptschlitten (5) montiert ist mit der Möglichkeit des Verschiebens in translatorischer Richtung entlang einer Richtung (X-X') senkrecht zu der Schnittrichtung (Δ), wobei der Hauptschlitten an sich entlang der Richtung senkrecht zu der Schnittrichtung bewegbar ist, wobei die Positionen durch das Verschieben des Hauptschlittens in Bezug auf eine Basis (4) und die jeweiligen Relativverschiebungen der Schlitten (5, 6) erzielt werden.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wagen (7) auf eine kippbare (F1) Struktur (4) montiert ist, welche das Ausschütten der geschnittenen Stämme erlaubt.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Führung (10) enthält, die im Hinblick auf das Schnittorgan (9) montiert ist, auf der gegenüberliegenden Seite zu dem Organ bezüglich des Wagens (7), wobei die Führung geeignet ist, zwischen einer entriegelten Position (Fig. 1), in der sie das Platzieren (F6) der Rundhölzer (G) in den Wagen nicht behindert, und einer aktiven Position (Fig. 4), in der sie das Schnittorgan anlässlich eines Schnitts führen kann, kippen kann.
  10. Verfahren zum Schneiden von Baumstämmen mit einem Schnittorgan ausgehend von Rundhölzern, enthaltend die folgenden Schritte:
    - Legen der Rundhölzer (G) auf einen Aufnahmewagen (7);
    - Führen (F3) des Wagens in eine Ausrichtungsposition der Rundhölzer;
    - Führen des Wagens nachfolgend in eine Position des Freimachens, d.h. des Legens der Rundhölzer in Längsrichtung, und in zumindest eine Schnittposition der Stämme, und
    - Betätigen des Schneidorgans (9) zum Schneiden der Rundhölzer in jeder der freigelegten Positionen oder der Schnittposition;
    dadurch gekennzeichnet, dass der Wagen in eine Ausrichteposition der Rundhölzer durch Schwenken (F3) um eine im Wesentlichen horizontale Achse (B-B') gebracht wird.
EP04356198A 2003-12-18 2004-12-17 Vorrichtung und Verfahren zum Ausrichten und Schneiden von Baumstämmen Not-in-force EP1543928B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314890A FR2863926B1 (fr) 2003-12-18 2003-12-18 Machine et procede de coupe de buches de bois
FR0314890 2003-12-18

Publications (2)

Publication Number Publication Date
EP1543928A1 EP1543928A1 (de) 2005-06-22
EP1543928B1 true EP1543928B1 (de) 2006-11-29

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Application Number Title Priority Date Filing Date
EP04356198A Not-in-force EP1543928B1 (de) 2003-12-18 2004-12-17 Vorrichtung und Verfahren zum Ausrichten und Schneiden von Baumstämmen

Country Status (4)

Country Link
EP (1) EP1543928B1 (de)
AT (1) ATE346729T1 (de)
DE (1) DE602004003458D1 (de)
FR (1) FR2863926B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003058A1 (de) * 2007-01-20 2008-07-24 Klaus Haf Stationäre oder mobile Holzbündelspann- und Auskippvorrichtung mit geführter Kettensäge zur Scheitholzherstellung und Holzbündelherstellung
CN104552476A (zh) * 2014-12-14 2015-04-29 安徽爱乐门窗***工程有限公司 一种制作地球仪用修边装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1916077A1 (de) 2006-10-24 2008-04-30 Landrock GmbH Vorrichtungen und Verfahren zum Ablängen eines Bündels von Holzstücken zu Stückholz
DE102009002195A1 (de) * 2009-04-03 2010-10-07 Christof Beil Verfahren und Vorrichtung zur Holzhandhabung, insbesondere -ablängung
FR3055826A1 (fr) * 2016-09-09 2018-03-16 Amr Machine a decouper des buches de bois en fagot et procede de coupe des buches avec cette machine
CN106493793B (zh) * 2016-10-17 2019-01-11 合力叉车有限公司 可翻转式木材夹紧机构
CN106695011B (zh) * 2017-01-13 2018-09-25 北新集团建材股份有限公司 一种板材的切割方法
CN108858465A (zh) * 2018-06-29 2018-11-23 广东知识城运营服务有限公司 一种树木快速切割装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254686A (en) * 1963-01-17 1966-06-07 Timberland Ellicott Ltd Methods and apparatus for harvesting timber
US3623519A (en) * 1969-10-29 1971-11-30 Elmer Mrozek Pulpwood slasher
US3688818A (en) * 1970-04-14 1972-09-05 Franklin W Domres Pulp cutting and loading machine
FR2271008A1 (en) * 1974-01-04 1975-12-12 Armef Timber handling and cutting appts - has saw between two forks with arms to receive logs and release cut pieces
AU2001275099A1 (en) * 2000-06-01 2001-12-11 Mains Saw Co. Circular saw for cross-cutting a plurality of logs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003058A1 (de) * 2007-01-20 2008-07-24 Klaus Haf Stationäre oder mobile Holzbündelspann- und Auskippvorrichtung mit geführter Kettensäge zur Scheitholzherstellung und Holzbündelherstellung
CN104552476A (zh) * 2014-12-14 2015-04-29 安徽爱乐门窗***工程有限公司 一种制作地球仪用修边装置
CN104552476B (zh) * 2014-12-14 2017-02-22 安徽爱乐门窗***工程有限公司 一种制作地球仪用修边装置

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Publication number Publication date
DE602004003458D1 (de) 2007-01-11
EP1543928A1 (de) 2005-06-22
FR2863926B1 (fr) 2006-09-22
ATE346729T1 (de) 2006-12-15
FR2863926A1 (fr) 2005-06-24

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