EP1815929A2 - Gehrungssäge - Google Patents

Gehrungssäge Download PDF

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Publication number
EP1815929A2
EP1815929A2 EP07108525A EP07108525A EP1815929A2 EP 1815929 A2 EP1815929 A2 EP 1815929A2 EP 07108525 A EP07108525 A EP 07108525A EP 07108525 A EP07108525 A EP 07108525A EP 1815929 A2 EP1815929 A2 EP 1815929A2
Authority
EP
European Patent Office
Prior art keywords
blade guard
base assembly
saw
screw
plate
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.)
Granted
Application number
EP07108525A
Other languages
English (en)
French (fr)
Other versions
EP1815929A3 (de
EP1815929B1 (de
Inventor
Frederick R. Bean
Robert P Welsh
Peter Chaikowsky
Craig A Oktavec
Mark E Brunson
James R Parks
Adan Ayala
Gregg L. Sheddy
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.)
Black and Decker Inc
Original Assignee
Black and 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
Priority claimed from US10/054,257 external-priority patent/US7617755B2/en
Application filed by Black and Decker Inc filed Critical Black and Decker Inc
Publication of EP1815929A2 publication Critical patent/EP1815929A2/de
Publication of EP1815929A3 publication Critical patent/EP1815929A3/de
Application granted granted Critical
Publication of EP1815929B1 publication Critical patent/EP1815929B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
    • B27B27/04—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon arranged perpendicularly 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
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G5/00—Machines or devices for working mitre joints with even abutting ends
    • B27G5/02—Machines or devices for working mitre joints with even abutting ends for sawing mitre joints; Mitre boxes

Definitions

  • Miter saws are power tools typically comprising a base assembly, a table rotatably attached to the base assembly (for allowing the user to change the miter angle) and a saw assembly pivotably attached to the table so that the saw assembly can move downwardly for cutting.
  • the saw assembly typically includes a blade and a motor driving the blade.
  • the miter saw 10 may be provided with means for mounting fixtures thereon.
  • Fixture F may be attached on the miter saw 10 for supporting a workpiece W disposed on table 12 and/or base assembly 11.
  • Fence assembly 20 may be provided with a hole FFH.
  • Hole FFH may be either round or a slot, and should be of such size to allow the user to put a screw FFB therethrough.
  • the hole size will allow a number 8 screw therethrough.
  • the hole FFH may have a diameter of about 3/16 of an inch.
  • fixture mounting holes FH, FFH and/or FS can be cast or machined into the different pieces.
  • FIGS. 9A and 9B A second adjustable pointer 65 is shown in FIGS. 9A and 9B.
  • pointer 65 is again attached to cylinder 13 via a screw 66 which preferably extends through pointer 65 and protrusion 13P of cylinder 13. Screw 66 may be threadedly engaged to a nut 68 behind the protrusion 13P.
  • the pointer 65 may be adjusted relative to the scale 62 by inserting washers 67 between pointer 65 and protrusion 13P. It may be preferable to provide a fixed number of washers so that the user may put some between screw 66 and pointer 65 and the remainder between pointer 65 and protrusion 13P.
  • upper blade guard 31 may have a pivot plate 70 pivotally attached to upper blade guard 31 via bolt 71 for rotatably supporting lower blade guard 32.
  • Pivot plate 70 may be locked in a fixed position relative to upper blade guard 31 via bolt 73.
  • Pivot plate 70 may also cover arbor A and must be pivoted in order to provide access to arbor A. To do so, the user needs to unscrew screw 73 so that it bypasses tab 71A. Once the screw 73 can bypass tab 71A, screw 73 will slide along slot 72.
  • slot 72 may be closed slot as shown in FIG. 10 or an open slot so that the user can completely separate the pivot plate 70 and screw 73.
  • screw 73 is preferably threadedly engaged to upper blade guard 31.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
EP07108525A 2001-02-01 2002-01-30 Gehrungssäge Expired - Lifetime EP1815929B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US26556701P 2001-02-01 2001-02-01
US10/054,257 US7617755B2 (en) 2001-02-01 2002-01-22 Miter saw
EP20020250630 EP1231006B1 (de) 2001-02-01 2002-01-30 Gehrungssäge
EP20050010595 EP1568432B1 (de) 2001-02-01 2002-01-30 Gehrungssäge

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP02250630.7 Division 2002-01-30
EP20050010595 Division EP1568432B1 (de) 2001-02-01 2002-01-30 Gehrungssäge
EP05010595.6 Division 2005-05-17

Publications (3)

Publication Number Publication Date
EP1815929A2 true EP1815929A2 (de) 2007-08-08
EP1815929A3 EP1815929A3 (de) 2010-12-22
EP1815929B1 EP1815929B1 (de) 2012-04-11

Family

ID=38226869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07108525A Expired - Lifetime EP1815929B1 (de) 2001-02-01 2002-01-30 Gehrungssäge

Country Status (1)

Country Link
EP (1) EP1815929B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805504A (en) * 1986-12-29 1989-02-21 Makita Electric Works, Ltd. Safety cover for miter saw
US5203245A (en) * 1991-12-20 1993-04-20 Emerson Electric Co. Swinging blade guard assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805504A (en) * 1986-12-29 1989-02-21 Makita Electric Works, Ltd. Safety cover for miter saw
US5203245A (en) * 1991-12-20 1993-04-20 Emerson Electric Co. Swinging blade guard assembly

Also Published As

Publication number Publication date
EP1815929A3 (de) 2010-12-22
EP1815929B1 (de) 2012-04-11

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