ATE74547T1 - RAIL FOR MOTOR CHAINSAWS. - Google Patents

RAIL FOR MOTOR CHAINSAWS.

Info

Publication number
ATE74547T1
ATE74547T1 AT89100431T AT89100431T ATE74547T1 AT E74547 T1 ATE74547 T1 AT E74547T1 AT 89100431 T AT89100431 T AT 89100431T AT 89100431 T AT89100431 T AT 89100431T AT E74547 T1 ATE74547 T1 AT E74547T1
Authority
AT
Austria
Prior art keywords
tip part
guiding rail
rail
axis
inlet portion
Prior art date
Application number
AT89100431T
Other languages
German (de)
Inventor
Heinrich Kesper
Original Assignee
Heinrich Kesper
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6822116&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE74547(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heinrich Kesper filed Critical Heinrich Kesper
Application granted granted Critical
Publication of ATE74547T1 publication Critical patent/ATE74547T1/en

Links

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Escalators And Moving Walkways (AREA)

Abstract

In order to create a guiding rail (2) for chain saws which eliminates the recoil problem owing to its special shape and geometry without thereby in any way limiting the useability of the guiding rail (2) or of the chain saw equipped therewith, it is proposed, in the case of a guiding rail (2) for chain saws, that the tip part (20), which is located on the same side of the axis (18) as the inlet portion (12), has a small radius of curvature which is less than or equal to a quarter of the width (R2 </= 0.25 B) and the inlet portion (12) merges into this tip part (20) via an inlet slope (22) which leads tangentially into this tip part (20) and forms an acute angle alpha with the axis. <IMAGE>
AT89100431T 1988-03-21 1989-01-11 RAIL FOR MOTOR CHAINSAWS. ATE74547T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8803810U DE8803810U1 (en) 1988-03-21 1988-03-21 Rail for chainsaws
EP89100431A EP0333974B1 (en) 1988-03-21 1989-01-11 Guiding rail for chain saws

Publications (1)

Publication Number Publication Date
ATE74547T1 true ATE74547T1 (en) 1992-04-15

Family

ID=6822116

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89100431T ATE74547T1 (en) 1988-03-21 1989-01-11 RAIL FOR MOTOR CHAINSAWS.

Country Status (3)

Country Link
EP (1) EP0333974B1 (en)
AT (1) ATE74547T1 (en)
DE (2) DE8803810U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907812A1 (en) * 1988-03-21 1989-10-05 Heinrich Kesper Chain blade for motor chainsaws
ES2038007T3 (en) * 1989-03-11 1993-07-01 Heinrich Kesper GUIDE BAR FOR MOTORIZED CHAIN SAWS.
WO2012105876A1 (en) 2011-02-03 2012-08-09 Husqvarna Ab Wall or floor saw
US20150047491A1 (en) * 2013-08-13 2015-02-19 Andreas Stihl Ag & Co. Kg Guide Bar for a Saw Chain of a Motor-Driven Chain Saw and Application of a Marking on a Guide Bar of a Motor-Driven Chain Saw
SE540002C2 (en) * 2016-06-21 2018-02-20 Husqvarna Ab Chain saw guide bar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE850803C (en) * 1951-02-17 1952-09-29 Stihl Andreas Saw or milling chain guide rail
US4060895A (en) * 1976-11-15 1977-12-06 Omark Industries, Inc. Non-symmetrical bar with reversible body portion

Also Published As

Publication number Publication date
EP0333974B1 (en) 1992-04-08
DE8803810U1 (en) 1988-05-05
DE58901107D1 (en) 1992-05-14
EP0333974A1 (en) 1989-09-27

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
RZN Patent revoked