WO1997045229A2 - A tool support - Google Patents
A tool support Download PDFInfo
- Publication number
- WO1997045229A2 WO1997045229A2 PCT/NZ1997/000070 NZ9700070W WO9745229A2 WO 1997045229 A2 WO1997045229 A2 WO 1997045229A2 NZ 9700070 W NZ9700070 W NZ 9700070W WO 9745229 A2 WO9745229 A2 WO 9745229A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- gate
- blade
- limb
- support
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C7/00—Wood-turning machines; Equipment therefor
- B27C7/06—Arrangements for guiding or supporting the tool, e.g. tool rests
Definitions
- This invention relates to supports for cutting tools.
- the tools can be used for shaping the outer surfaces of a work piece spun in a lathe, for cutting the work piece, and for boring out or hollowing out the centre or inside of a work piece to form circular cavities.
- a tool support comprising a support body having a first limb and a second limb the first limb having mounting means by which the body can be secured to a tool rest and for mounting a tool gate, the second limb extending from the first limb and providing a crossbar the arrangement and construction being such that the blade of a wood turner's tool can be secured by the gate and cross bar providing restraint against movement in opposite vertical planes whilst allowing swivelling movement on a substantially horizontal plane.
- Portions of the mounting means can be cylindrical and extend from either side of the first limb, one of said portions being engageable with a complementary tool rest and another mounting to tool gate in such a manner that the tool support is free to rotate relative to the rest, and likewise the gate is free to rotate relative to the mounting means.
- the gate and tool support may be integral and swivel together.
- the support body can be substantially L-shaped and the cross bar of the second limb can be provided with one or more downwardly depending stops which can be used to limit arcuate movement of the blade of a cutting tool relative to the tool gate.
- a tool support as aforesaid in combination with a tool gate which can provide a tool blade rest surface and lateral restraint for a tool blade.
- the tool blade rest surface can be of variable height.
- the tool gate can have a substantially cylindrical body and the tool blade rest surface mounts a plurality of spaced and upright tool blade restraints.
- the tool blade rest surface can mount two or more spaced restraints.
- the tool blade rest surface of the tool gate can be stepped.
- the tool blade rest surface can be provided with one or more blade- accommodating channels.
- the channels can be in a cross formation when viewed from above.
- Figure 1 is a perspective view of a tool support in accordance with one possible embodiment of the present invention.
- Figure 2-5 are perspective views of a tool support in accordance with Figure 1 in combination with tool gates during a wood turning operation.
- Figure 6 is a diagrammatic plan view of a work piece, support and T/NZ97/00070
- the present invention provides a tool support generally indicated by arrow 1 having first and second limbs 2, 3 respectively and mounting means generally indicated by arrow 4 by which the body can be supported with respect to a tool rest and for mounting a so called tool gate generally indicated by arrow 5.
- the second limb 3 which extends from the first limb 2 is provided by a cross bar 6 the arrangement and construction being such that the blade 7 of a wood turning tool generally indicated by arrow 8 (see Figure 6) can be restrained by a gate 5 and the cross bar 6 against movement in opposite vertical planes.
- the mounting means 4 may be a two part or single cylindrical member which extends to either side of the first limb 2 and is engageable with complementary tool rest aperture 9 and a gate 5 in such a manner that the tool support is free to rotate relative to the rest, likewise the gate is free to rotate relative to the mounting means.
- the tool support body can be a substantially L-shaped member and the cross bar 6 of the second limb is provided with one or more downwardly depending stops which limit arcuate movement of the blade 7 of a cutting tool relative to a tool gate 5 mounted on the mounting means 4.
- This arrangement provides two inverted U-shaped arches within which a tool blade can be manoeuvred. Clearly such arches could be provided by equivalent structures other than that illustrated.
- the tool support can be used in combination with a number of different kinds of tool gates 5 such as is illustrated by Figures 2 through to 5 of the drawings.
- Each tool gate 5 provides a tool blade rest surface or surfaces 11 and lateral restraint for a tool blade.
- the tool blade rest surface 11 can be of a variable height.
- the tool blade rest surface can mount a plurality of spaced upright tool blade restraints.
- tool blade restraint is provided by the rest surface 11 and two opposed uprights 12 which have curved inner faces 13.
- FIG 3 four upright restraints are provided.
- a pair of intersecting channels 15 each with curved inner surfaces provide alternative slots for the tool blade with one of the channels being deeper than the other. This configuration provides for the use of blades of different depth and height.
- the tool gate 5 comprises a cylindrical body 16 and from the rest surface 11 extends to pins 17. It is noted that the two pins 17 are spaced wider than the channels of the embodiments illustrated in Figures 2 and 3 and this arrangement provides for the restraint of a wider bodied tool blade although with the pins closer together narrower tools can be used.
- the tool gate 5 has a cylindrical body 18 and the rest surface 11 is stepped and provides a higher level 19 and a lower level 20.
- Three upright cylindrical pins 21 extend from the rest surface 11 and two of the pins are positioned in the step between the lower and higher levels of the rest surface. Again this provides a variation in height for the tool blade. Pins 21 can be fixed or attached to the rest surface 11 in a manner which enables them to freely rotate.
- the present invention and the embodiments disclosed provide means for restraint against the tilting of the cutting tool during wood turning and also provide restraint against forced swivelling movements as a result of moving the tool in a longitudinal direction with respect to the work piece and other forces which are generated.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Shearing Machines (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU29826/97A AU2982697A (en) | 1996-05-31 | 1997-06-03 | A tool support |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ286719A NZ286719A (en) | 1996-05-31 | 1996-05-31 | Tool support for wood lathe mounted to rest and having mounting for gate so that a tool can be swivelled horizontally but restrained vertically |
NZ286719 | 1996-05-31 | ||
NZ286841 | 1996-06-18 | ||
NZ28684196 | 1996-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997045229A2 true WO1997045229A2 (en) | 1997-12-04 |
WO1997045229A3 WO1997045229A3 (en) | 1998-02-26 |
Family
ID=26651621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NZ1997/000070 WO1997045229A2 (en) | 1996-05-31 | 1997-06-03 | A tool support |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2982697A (en) |
WO (1) | WO1997045229A2 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4502517A (en) * | 1983-04-15 | 1985-03-05 | Larson Robert W | Safety tool rest |
GB2154491A (en) * | 1984-02-24 | 1985-09-11 | Bengt Olof Lennart Ulander | Wood turning tool rest |
WO1989012529A1 (en) * | 1988-06-20 | 1989-12-28 | Peter Charles Mclean | Blade sharpener |
WO1992019417A1 (en) * | 1991-04-29 | 1992-11-12 | Jim Lazarou | A guiding assembly for guiding a manually controlled cutting tool |
-
1997
- 1997-06-03 AU AU29826/97A patent/AU2982697A/en not_active Abandoned
- 1997-06-03 WO PCT/NZ1997/000070 patent/WO1997045229A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4502517A (en) * | 1983-04-15 | 1985-03-05 | Larson Robert W | Safety tool rest |
GB2154491A (en) * | 1984-02-24 | 1985-09-11 | Bengt Olof Lennart Ulander | Wood turning tool rest |
WO1989012529A1 (en) * | 1988-06-20 | 1989-12-28 | Peter Charles Mclean | Blade sharpener |
WO1992019417A1 (en) * | 1991-04-29 | 1992-11-12 | Jim Lazarou | A guiding assembly for guiding a manually controlled cutting tool |
Also Published As
Publication number | Publication date |
---|---|
AU2982697A (en) | 1998-01-05 |
WO1997045229A3 (en) | 1998-02-26 |
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