EP0922546A2 - Scie à chaíne à barre de guidage montable du côté droit ou gauche du boítier - Google Patents

Scie à chaíne à barre de guidage montable du côté droit ou gauche du boítier Download PDF

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Publication number
EP0922546A2
EP0922546A2 EP98121693A EP98121693A EP0922546A2 EP 0922546 A2 EP0922546 A2 EP 0922546A2 EP 98121693 A EP98121693 A EP 98121693A EP 98121693 A EP98121693 A EP 98121693A EP 0922546 A2 EP0922546 A2 EP 0922546A2
Authority
EP
European Patent Office
Prior art keywords
chain
housing
chainsaw according
sawing
handle
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.)
Withdrawn
Application number
EP98121693A
Other languages
German (de)
English (en)
Other versions
EP0922546A3 (fr
Inventor
Peter Maier
Otakar Dedek
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.)
Narex Ceska Lipa AS
Original Assignee
Narex Ceska Lipa AS
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 Narex Ceska Lipa AS filed Critical Narex Ceska Lipa AS
Publication of EP0922546A2 publication Critical patent/EP0922546A2/fr
Publication of EP0922546A3 publication Critical patent/EP0922546A3/fr
Withdrawn legal-status Critical Current

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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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/02—Chain saws equipped with guide bar

Definitions

  • the invention relates to a handheld device Chainsaw with a handle assembly Device housing, one arranged in the device housing, one Drive device containing drive motor and one sawing device arranged in the area of a device side, the one attached to the device housing, at the Front of this protruding, sword-like saw chain guide element and one on the periphery of the guide member stored, in one to the device side essentially parallel chain level endlessly around the guide element Includes circular saw chain on a side Output point of the drive device driven becomes.
  • the present invention has set itself the goal here To remedy the situation.
  • the sawing device can So implemented from one side to the other be, so that an adaptation to the respective needs can be done. For example, a right-handed person the chainsaw rather in the area of Operation seen from the right side of the device Use a sawing device while left-handed prefers the left side of the device. This adjustment can when buying the chainsaw from the dealer or if the user is adept at it become.
  • the chain saw 1 shown in the drawing is as Handheld device and has a in the embodiment elongated device housing 2, which is a handle assembly bears by a rear, in the rear Area of the device housing 2 arranged on the top thereof Handle 3 and a front handle 4 formed which is further up above the top of the device 5 is so that the chainsaw 1 with both hands can be held.
  • the chainsaw 1 also contains one in the device housing 2 arranged drive device with a drive motor 6, in the embodiment, an electric motor, and a actual sawing saw 7, the a sword-like saw chain guide element 8 and one Saw chain 9, which is only schematic in Fig. 1 is indicated.
  • the saw chain guide element 8 protrudes from the front of the device 10 to the front and ends freely.
  • the saw chain 9 is on the circumference of the sword-like guide element 8 mounted and running this along in a through the sword-like guide element 8 given chain level.
  • the sawing device 7 can optionally be in the area of one or the opposite other side 11 of the device become.
  • the sawing device 7 is therefore located in Position of use seen from the user either in the area the right side of the housing 11 or in the area the left side of the housing 12, this Housing sides arranged essentially parallel to the chain level are. It is understood that the two sides of the device 11, 12 also a rounded or protruding May have parts, etc.
  • the sawing device 7 can therefore, depending on the requirements attached to one or the other side of the device 11, 12 be, the implementation either at the factory or at Dealer is carried out or carried out by the user can.
  • each of the two output points 13, 14 there is an output shaft end region 15 and 16 respectively. It can are separate, but from the same drive motor act from driven output shafts, the two output shaft end areas are expedient 15, 16 but from one in transverse to the chain plane directional transverse direction through output shaft 17th educated.
  • the arrangement in the practical embodiment is taken so that the motor shaft 18 of the drive motor 6 in the device longitudinal direction L parallel to the chain plane runs and the reversing gear is a bevel gear, that of a bevel gear 19 seated on the motor shaft 18 and a bevel gear arranged on the output shaft 17 20 is formed, the directions of the motor shaft 18th and the output shaft 17 at right angles to each other stand and comb together.
  • the two output shaft end regions 15, 16 is one Output gear 23 assigned between the two Output shaft end areas can be implemented.
  • the output gear 23 is thus on the output shaft end area attached, in which the sawing device 7 is located. 1 to 5 of the end region 15 and in the 6 and 7 the end region 16. Relocates the sawing device 7 to the other side, also the output gear 23 implemented and on the other output shaft end area non-rotatably attached.
  • a longitudinal slot 25 on the two Device sides 11, 12 each have a guide element bearing member is assigned to which the saw chain guide element 8 is plugged with its longitudinal slot 25. Because of the Longitudinal slot 25 can be the longitudinal position of the guide element 8 vary.
  • the attachment on the relevant device side can be done in the usual way with the help of fastening screws respectively.
  • a modification of the illustrated embodiment would be it is also possible to use only one such guide element bearing member to provide and this when changing sides To implement sawing device 7 together with this.
  • a chain tensioning device 28 available which is accessible from the outside Actuator 29 has. Because such chain tensioners 28 are well known, is unnecessary a more detailed explanation of their structure and their Mode of action.
  • the chain tensioning device 28 is located in the area of the sawing device 7 and can also be put together with this from one side of the device to the other Device side.
  • Chainsaws When sawing with a chainsaw, you can get significant knocks occur. To avoid this, that is, those that occur Chainsaws usually have to absorb impacts a bumper device on by two on both sides the chain level arranged bumpers 30, 31 are formed that protrude in front of the device front 10 and on have teeth 32 or the like in their protruding region, which are facing forward. In operation, the chainsaw attached to the workpiece so that the teeth 32 press into the workpiece so that the chainsaw better stays in place.
  • the two bumpers 30, 31 have an elongated shape and extend in Direction from the bottom of the device to the top of the device, so that they below and above on the saw device 7, the means over the saw chain 9, survive.
  • This "bit-like" bumper device 30, 31 could in principle be present in the area of both sides of the device, expediently, however, it is also provided here that the Bumper device 30, 31 together with the saw device 7 implemented from one side to the other side can be.
  • the chain catcher could in principle also be different look like and from one not on the attachment of the bumper 31 participating bolts formed become.
  • the saw device when changing sides 7 also implemented the chain catcher 36.
  • the saw device when changing sides 7 also implemented the chain catcher 36.
  • the two output shaft end regions 15, 16 are each guided through a lateral housing wall 37 and 38 and stand in front of this, so that the driven wheel 23 is attached can be.
  • On the housing walls 37, 38 can also Additional devices such as the guide element bearing member 26 or 27, the inner bumper 31 and the chain catcher 36 are attached. It is in the In the case of an implementable additional device by a detachable one Attachment. Otherwise, if the additional device in question is present on both sides of the device as it is in the embodiment in the guide element bearing member 26, 27 is the case, it can also be an unsolvable one Act attachment.
  • the two output points 13, 14 and thus also the Housing walls 37, 38 with the devices attached to them are each attached by a detachable device housing 2 Cover element 39 or 40 covered to the outside.
  • the Cover element arranged on the side of the sawing device 7 39 also covers the rear end area of the Sawing device 7.
  • the two cover elements 39, 40 have in the embodiment a lid-like or hood-like shape on and are in the embodiment by means of a threaded bolt 41 or 42 and externally screwed on threaded nut 43 or 44 releasably attached to the device housing.
  • the two cover elements 39, 40 are interchangeable on Device housing 2 are arranged and together with the sawing device 7 are implemented so that on the side of Saw device 7 always the cover 39 and on the opposite side, the cover member 40 is arranged is.
  • One reason why the cover 39 is always at Saw device 7 is attached is that this Cover element 39, as already indicated, the outer Bumper 30 of the bumper device carries. While So the inner bumper 31 is implemented for itself the outer bumper 30 is arranged on the cover element 39 and thus changes the device side together with this.
  • This cover element 39 can be on the front 10th a slot-like area through which the sword-like Saw chain guide element 8 and the saw chain 9 in the space between the relevant housing wall 37 or 38 and the cover 39 can occur.
  • the Chainsaw 1 also contains a chain lubrication device.
  • only the lubricant opening 45 or 46 actively needed which is arranged on the device side, where the sawing device 7 is located. The on the on the other side of the device sealed against it.
  • the saw device 7 opposite and each unused Output point 13 or 14 assigned cover element 40 a facing the lubricant opening 45 and 46 sealing Sealing element 47.
  • the sealing element 47 lies against the facing lubricant opening so that it is tightly closed becomes.
  • a lubricant container in the device housing 48 which contains the liquid lubricant which via corresponding lines, which are not shown, is led to the two lubricant openings 45, 46.
  • a lubricant pump is used to advance the lubricant 49 available.
  • the lubricant container 48 forms one from the outside visible and in height direction H (this is that of the bottom of the device to the top of the device) extending viewing strip 50 made of transparent Material in the embodiment on the front of the device 10 is arranged.
  • This viewing strip 50 forms a level indicator so that seen at any time can be checked whether there is still enough lubricant.
  • the device housing points at the location of the viewing strip 50 a corresponding longitudinal slot.
  • an externally operable lubricant regulating device can be used to regulate the lubricant supply for the saw chain.
  • the associated actuator 52 is also on the outside of the housing and there in the exemplary embodiment also like the lubricant cover 51 on the top of the device. With the actuator 52 can be a regulating screw act.
  • the device housing 2 consists of two in the longitudinal direction L. successive batches together, being that of the sawing device 7 opposite rear device 53 den Drive motor 6 and the saw device 7 facing Front device section 54 the deflection gear with the output shaft 17 and contains the lubricant supply.
  • the handle arrangement is either symmetrical to that for Chain level parallel device center plane 55 is formed or, if it is asymmetrical, a change of sides the sawing device 7 can be implemented accordingly.
  • In the embodiment extends that of the sawing device 7 opposite rear handle 3 in the device center plane 55, so that when changing sides of the sawing device 7 can remain unchanged.
  • Below the back Handle 3 is a gripping recess 56 for Grip through the hand holding the rear handle 3.
  • This gripping recess 56 is located between the rear handle 3 and one facing the bottom of the device Hand protection housing section 57, the symmetrical with Is formed with respect to the device center plane 55 and in Top view from above (Fig. 2) on both sides the rear handle 3 protrudes. That way the respective hand is protected downwards, independently whether the rear handle 3 with the left or is held with the right hand.
  • the front handle 4 however, has a bow-like Form and forms one above the top of the device 5 transverse section 58 and one at a distance from the relevant device side Height direction H extending side portion 59, so that one the front handle not only on the cross section 58, but can also take on the side part 59.
  • the front handle 4 is thus asymmetrical with respect to the device center plane 55 is formed. He is therefore in two positions rotated by 180 ° can be attached to the device housing 2, so that when changing the sawing device 7 can be implemented so that the handle side section 59 each on the opposite of the sawing device 7 Device side is arranged.
  • the front one Handle 4 is screwed to the device housing, whereby the associated mounting screws or mounting holes can be seen from the drawing.
  • the front one Handle 4 forms an upper leg 60 and one lower leg 61, which on the top or on the Bottom of the device housing to the system and with screwed to the housing.
  • a hand guard 62 known per se, which is transverse to the Device center plane 55 is formed and symmetrical to this and is arranged.
  • the front handle 4 holding hand against external influences protected from the front.
  • the hand protection wall 62 performs another function, which is also already known. It is one in Transverse pivot axis pivotable on Device housing stored and switches when raised the chainsaw automatically away from the workpiece as it pivots when you flip it up and carries out a corresponding switch operation.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
EP98121693A 1997-12-11 1998-11-13 Scie à chaíne à barre de guidage montable du côté droit ou gauche du boítier Withdrawn EP0922546A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19755006 1997-12-11
DE19755006A DE19755006C1 (de) 1997-12-11 1997-12-11 Kettensäge

Publications (2)

Publication Number Publication Date
EP0922546A2 true EP0922546A2 (fr) 1999-06-16
EP0922546A3 EP0922546A3 (fr) 2002-03-20

Family

ID=7851521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121693A Withdrawn EP0922546A3 (fr) 1997-12-11 1998-11-13 Scie à chaíne à barre de guidage montable du côté droit ou gauche du boítier

Country Status (2)

Country Link
EP (1) EP0922546A3 (fr)
DE (1) DE19755006C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110058A1 (it) * 2011-02-28 2012-08-29 Zanon S R L Motosega a catena
US20210339420A1 (en) * 2016-02-23 2021-11-04 Milwaukee Electric Tool Corporation Chainsaw

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1531930A (en) * 1923-05-29 1925-03-31 Charles M Harrison Portable electric handsaw
GB827698A (en) * 1958-03-28 1960-02-10 Charles James Vagim A manually operable portable circular saw and a chain saw attachment therefor
DE3114906A1 (de) * 1981-04-13 1982-10-28 MSR Gesellschaft für Meß-, Steuerungs- und Regeltechnik mbH, 3302 Cremlingen Hand-motorkettensaege
US4535910A (en) * 1983-08-30 1985-08-20 Kioritz Corporation Tank cap for powered machine
US4802555A (en) * 1981-02-13 1989-02-07 Komatsu Zenoah Co. Oil supply system
DE3825477A1 (de) * 1988-07-27 1990-02-01 Festo Kg Insbesondere als handkreissaege ausgebildetes transportables trenngeraet
DE4205986A1 (de) * 1992-02-27 1993-09-02 Stihl Maschf Andreas Motorkettensaege mit einem griffbuegel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1531930A (en) * 1923-05-29 1925-03-31 Charles M Harrison Portable electric handsaw
GB827698A (en) * 1958-03-28 1960-02-10 Charles James Vagim A manually operable portable circular saw and a chain saw attachment therefor
US4802555A (en) * 1981-02-13 1989-02-07 Komatsu Zenoah Co. Oil supply system
DE3114906A1 (de) * 1981-04-13 1982-10-28 MSR Gesellschaft für Meß-, Steuerungs- und Regeltechnik mbH, 3302 Cremlingen Hand-motorkettensaege
US4535910A (en) * 1983-08-30 1985-08-20 Kioritz Corporation Tank cap for powered machine
DE3825477A1 (de) * 1988-07-27 1990-02-01 Festo Kg Insbesondere als handkreissaege ausgebildetes transportables trenngeraet
DE4205986A1 (de) * 1992-02-27 1993-09-02 Stihl Maschf Andreas Motorkettensaege mit einem griffbuegel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110058A1 (it) * 2011-02-28 2012-08-29 Zanon S R L Motosega a catena
US20210339420A1 (en) * 2016-02-23 2021-11-04 Milwaukee Electric Tool Corporation Chainsaw

Also Published As

Publication number Publication date
DE19755006C1 (de) 1999-06-24
EP0922546A3 (fr) 2002-03-20

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