ATE104887T1 - BLADES WITH DIFFERENT TEETH. - Google Patents

BLADES WITH DIFFERENT TEETH.

Info

Publication number
ATE104887T1
ATE104887T1 AT9191308590T AT91308590T ATE104887T1 AT E104887 T1 ATE104887 T1 AT E104887T1 AT 9191308590 T AT9191308590 T AT 9191308590T AT 91308590 T AT91308590 T AT 91308590T AT E104887 T1 ATE104887 T1 AT E104887T1
Authority
AT
Austria
Prior art keywords
blades
different teeth
teeth
blade
pitch
Prior art date
Application number
AT9191308590T
Other languages
German (de)
Inventor
Hiram Brocklehurst
Michael James Mulroy
Original Assignee
Black & Decker Inc
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 Black & Decker Inc filed Critical Black & Decker Inc
Application granted granted Critical
Publication of ATE104887T1 publication Critical patent/ATE104887T1/en

Links

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
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/02—Circular saw blades
    • B23D61/021—Types of set; Variable teeth, e.g. variable in height or gullet depth: Varying pitch; Details of gullet

Abstract

A variable-tooth circular saw blade (1) with cutting teeth (3) in a plurality of circumferential groups has the successive teeth (5-8) in each group first reducing and then increasing in pitch. This gives the blade an improved combination of cut, reduction of noise and vibration, together with higher speed. <IMAGE>
AT9191308590T 1990-09-28 1991-09-20 BLADES WITH DIFFERENT TEETH. ATE104887T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909021131A GB9021131D0 (en) 1990-09-28 1990-09-28 Variable-tooth saw blades
EP91308590A EP0478237B1 (en) 1990-09-28 1991-09-20 Variable tooth saw blades

Publications (1)

Publication Number Publication Date
ATE104887T1 true ATE104887T1 (en) 1994-05-15

Family

ID=10682902

Family Applications (1)

Application Number Title Priority Date Filing Date
AT9191308590T ATE104887T1 (en) 1990-09-28 1991-09-20 BLADES WITH DIFFERENT TEETH.

Country Status (6)

Country Link
EP (1) EP0478237B1 (en)
AT (1) ATE104887T1 (en)
CA (1) CA2052019C (en)
DE (1) DE69101820T2 (en)
GB (1) GB9021131D0 (en)
NZ (1) NZ239919A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7225715B2 (en) * 2002-03-19 2007-06-05 Black & Decker Inc. Variable tooth saw blade
EP1700661B1 (en) 2005-03-08 2007-05-16 Ledermann GmbH & Co. KG Circular sawblade
FR2886194B1 (en) * 2005-05-24 2014-02-21 Perigord Affutage SAW BLADE
FI123330B (en) * 2010-09-21 2013-02-28 Ttt Technology Oy Ab Circular saw blade, blade element and blade unit
DE102015004182B4 (en) * 2015-04-02 2016-12-08 Leitz Gmbh & Co. Kg Circular saw blade with group toothing
SE541977C2 (en) * 2018-01-29 2020-01-14 Husqvarna Ab Differential pitch clearing saw blade and clearing saw

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO45267A (en) *
US2568870A (en) * 1945-10-31 1951-09-25 Lerned F Ronan Saw
SE411722B (en) * 1978-01-12 1980-02-04 Sandvik Ab MADE TOOLS
US4179967A (en) * 1978-08-28 1979-12-25 Stanadyne, Inc. Variable tooth saw blade
US5038653A (en) * 1988-02-02 1991-08-13 The Disston Company Circular saw blade

Also Published As

Publication number Publication date
GB9021131D0 (en) 1990-11-14
EP0478237A1 (en) 1992-04-01
EP0478237B1 (en) 1994-04-27
CA2052019C (en) 2003-09-16
DE69101820T2 (en) 1994-08-11
DE69101820D1 (en) 1994-06-01
CA2052019A1 (en) 1992-03-29
NZ239919A (en) 1993-04-28

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Legal Events

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