FI19991664A - Valve component for tensioning a saw chain - Google Patents

Valve component for tensioning a saw chain

Info

Publication number
FI19991664A
FI19991664A FI991664A FI19991664A FI19991664A FI 19991664 A FI19991664 A FI 19991664A FI 991664 A FI991664 A FI 991664A FI 19991664 A FI19991664 A FI 19991664A FI 19991664 A FI19991664 A FI 19991664A
Authority
FI
Finland
Prior art keywords
tensioning
valve component
saw chain
saw
chain
Prior art date
Application number
FI991664A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI122020B (en
Inventor
Tomas Lindehall
Original Assignee
Partek Forest Ab
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 Partek Forest Ab filed Critical Partek Forest Ab
Publication of FI19991664A publication Critical patent/FI19991664A/en
Application granted granted Critical
Publication of FI122020B publication Critical patent/FI122020B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • 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
    • B27B17/14—Arrangements for stretching the chain saw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/47—Flow control in one direction only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/72—Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/707—By endless band or chain knife
    • Y10T83/7226—With means to guard the tension
    • Y10T83/7239—With means to vary distance between pulley or sprocket axes
    • Y10T83/7251—Including means to yieldably bias pulley
    • Y10T83/7258—By fluid means
FI991664A 1997-02-06 1999-08-02 Valve component for tensioning a saw chain FI122020B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9700413 1997-02-06
SE9700413A SE512961C2 (en) 1997-02-06 1997-02-06 Valve means for tensioning the saw chain
SE9800195 1998-01-22
PCT/SE1998/000195 WO1998034768A1 (en) 1997-02-06 1998-02-03 Valve arrangement

Publications (2)

Publication Number Publication Date
FI19991664A true FI19991664A (en) 1999-08-02
FI122020B FI122020B (en) 2011-07-29

Family

ID=20405695

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991664A FI122020B (en) 1997-02-06 1999-08-02 Valve component for tensioning a saw chain

Country Status (8)

Country Link
US (1) US6311599B1 (en)
AU (1) AU730397B2 (en)
BR (1) BR9807664A (en)
CA (1) CA2278733A1 (en)
FI (1) FI122020B (en)
NO (1) NO311790B1 (en)
SE (1) SE512961C2 (en)
WO (1) WO1998034768A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512962C2 (en) * 1998-02-20 2000-06-12 Sisu Logging Ab Hydraulic saw chain covering means
US6405629B1 (en) * 1999-01-28 2002-06-18 Heckler & Koch Gmbh Ammunition magazine for beltless fed ammunition
FI115706B (en) 1999-05-27 2005-06-30 Ponsse Oyj Chain saw
US7185437B2 (en) * 2002-11-15 2007-03-06 Carlton Company Chainsaw bar tensioning apparatus
US7287330B1 (en) * 2004-09-29 2007-10-30 G&R Equipment, Llc Chain saw automatic tensioner
AT508397B1 (en) * 2009-06-25 2011-04-15 Prinz Gmbh & Co Kg CHAINSAW
CN101690985B (en) * 2009-09-27 2011-09-14 华中科技大学 Hydraulic chain saw
US9381666B1 (en) 2013-04-23 2016-07-05 Andrew M. Moody Automatic chainsaw tensioning device
NZ615444A (en) * 2013-09-12 2014-12-24 Waratah Nz Ltd Saw apparatus with chain stretch detection
FI129870B (en) * 2020-04-01 2022-10-14 Kesla Oyj Chain saw

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316997A (en) * 1940-08-29 1943-04-20 Reed Prentice Corp Tensioning means for chain saws
US3279508A (en) * 1965-11-26 1966-10-18 Mcculloch Corp Chain saw bar
US4382334A (en) * 1981-07-01 1983-05-10 Omark Industries, Inc. Chain saw device
US5395705A (en) 1990-08-31 1995-03-07 The Dow Chemical Company Electrochemical cell having an electrode containing a carbon fiber paper coated with catalytic metal particles
SE467488B (en) * 1990-12-10 1992-07-27 Sandvik Ab FACTS FOR CASE
SE502386C2 (en) * 1991-03-13 1995-10-09 Hultdin Invest Ab Device for saws
SE9102157L (en) 1991-07-10 1992-07-20 Sandvik Ab SAFETY PROTECTION DEVICE
US5174029A (en) * 1991-12-11 1992-12-29 Jt Investments Chain saw tensioning mechanism
US6032373A (en) * 1996-09-05 2000-03-07 Peterson; Robin A. Methods and apparatus for adjusting chain saw tension

Also Published As

Publication number Publication date
SE512961C2 (en) 2000-06-12
WO1998034768A8 (en) 1999-09-10
CA2278733A1 (en) 1998-08-13
SE9700413D0 (en) 1997-02-06
US6311599B1 (en) 2001-11-06
AU6010398A (en) 1998-08-26
FI122020B (en) 2011-07-29
NO993705D0 (en) 1999-07-29
NO993705L (en) 1999-07-29
AU730397B2 (en) 2001-03-08
WO1998034768A1 (en) 1998-08-13
NO311790B1 (en) 2002-01-28
SE9700413L (en) 1998-08-07
BR9807664A (en) 2000-02-15

Similar Documents

Publication Publication Date Title
DE69609303D1 (en) Chain tensioner
DE59902228D1 (en) TENSIONING DEVICE FOR A TENSIONER
DE59505835D1 (en) Chain tensioner / belt tensioner
GB2327734B (en) Chain tensioner lever
GB0025246D0 (en) A tensioner for a chain or belt
DE69921728D1 (en) Saw chain sword with saw chain tensioning device
DE69938022D1 (en) Chain compound for cover for inflatable safety belt
FI19991664A (en) Valve component for tensioning a saw chain
DE60038847D1 (en) Chainsaw with saw chain tensioning device
DE19880560D2 (en) Chain tensioner
NO993751D0 (en) Textural protection against chain saws
NO984238D0 (en) Requires a ladder line that follows a chain line
DE29803263U1 (en) Hydraulic tensioning device for belt conveyor
DE59701902D1 (en) Mechanical chain tensioner
DE59907640D1 (en) CHAIN SAW
AU121374S (en) Carrying case for a chain saw
DE9420206U1 (en) Chain tensioner
GB9828304D0 (en) A chain or belt tensioner
GB0030488D0 (en) A tensioner for a chain or belt
DE69702737T2 (en) Tensioning a drive belt
IT1290326B1 (en) CHAIN CONVEYOR
DE29623258U1 (en) Chain drive for bicycles
FR2750680B1 (en) PRINTED LINK CHAIN CONVEYOR
FR2818623B1 (en) IMPROVEMENTS ON CHAIN CONVEYORS
DE59301676D1 (en) Saw chain for chainsaws

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 122020

Country of ref document: FI

MA Patent expired