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1. WO1990013385 - AXIALLY MOVABLE TOOL AND GUIDE

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[ EN ]

Cl ims
1. A tool for use with a guide comprising:
a holder for a cutting means having an axis along which said cutting means advances;
a gripping means on said tool for manual advancement of said tool;
an elongated internal through opening forming a guideway adjacent said gripping means adapted to receive said guide, said guideway being parallel to said axis along which said cutting means advances and extending between said gripping means and said axis along which said cutting means advances .
2. A tool as defined in claim 1, wherein said guideway has a non-circular cross-section.
3. A tool as defined in claim 2, wherein said guideway has a rectangular cross-section.
4. A hand-held guide means for use with a hand-held tool comprising:
a base having elongated spaced supports joined together with a cross member, the underside of said spaced supports having exposed coplanar surfaces for supporting said guide means on material to be cut, the area between said spaced supports defining a footprint and an extensive open area for viewing said material and passage of said tool;
a post attached to and projecting from said base between said spaced supports and extending above and over said footprint between said spaced supports, at least the central and upper extent of said post being of uniform cross-section and free from obstructions so that said hand tool may be placed over and slidably moved along said post for guided controlled cutting of said material under said base and slidably removed from said post for independent use without modification;
a handle attached to said base between said spaced supports and extending over said footprint between said spaced supports;
said handle and said post being positioned above and within the area defined by said footprint so that the line of force applied to said handle is parallel to said post and directed toward said base means, and the line of force applied to any tool supported on said post is parallel to said post and directed toward said base means, so that both lines of force will pass within the area defined by said footprint .
5. The tool guide as defined in claim 4, wherein said post has a non-circular cross-section.
6. The tool guide as defined in claim 4, wherein said post is offset to one side of said base and said handle is attached to the lower end of said post.
7. The tool guide as defined in claim 4, wherein said post is attached to said cross member and is provided withgraduations for determining the amount of movement of any tool used therewith.
8. The tool guide as defined in claim 4, wherein said post is provided with adjustable stop means for controlling the depth of penetration of any tool used therewith.

9. The tool guide as defined in claim 4, wherein said supports of said base have apertures to accommodate means for assisting in maintaining the position of said base on the work.
10. The tool guide as defined in Claim 9, wherein said base is provided with securing means consisting of screws, pins or friction feet as said means for assisting in maintaining the position of said base on the work.
11. The tool guide as defined in claim 4, wherein said base is provided with means for elevating one end to adjust the angle between said base and surface supporting said base.
12. The tool guide as defined in claim 11, wherein said supports of said base are provided with grooves and a slide means adjustably movable along said grooves as said means for elevating one end of said base.
13. The tool guide as defined in claim 11, wherein said supports of said base are provided with slotted adjusting bars movably attached to said supports as said means for elevating one end of said base.
14. A hand-held tool and guide combination comprising: said tool having a holder for a cutting means and having an axis along which said cutting means advances;
a gripping means on said tool for manually advancing said tool;
an elongated internal through opening forming a guideway adapted to receive said guide, said guideway being located adjacent said gripping means and in a plane between said gripping means and said axis along which said cutting means advances and being parallel to said axis along which said tool advances;
said guide having a base including spaced supports, the area between said supports defining a footprint;
a post attached to and projecting from said base;
a handle attached to said base, said handle and said post being above and substantially within the area defined by said footprint;
said post passing through said internal guideway of said tool, said post positioned with respect to said base and internal guideway of said tool such that said tool gripping means is above said base so that the line of force applied to said handle is parallel to and in the direction of tool advance, and so that the line of force applied to said tool gripping means is parallel to and in the direction of tool advance, such that both said lines of force pass within the area defined by said footprint.
15. A tool and guide combination as defined in claim 14, wherein said post and guideway are of non-circular cross-section and wherein each is of essentially the same cross-sectional size and shape such that the post fits within said guideway.
16. A tool and guide combination as defined in claim 15, wherein said cross-sectional shape is rectangular and said handle is attached to the lower end of said post.

17. A tool and guide combination as defined in claim 16, wherein said guideway is located between said gripping means and axis along which the cutting means advances .
18. A tool and guide combination as defined in claim 14, wherein said base is provided with means for adjusting the angle between said base and support for said base.
19. A tool and guide combination as defined in claim 14, wherein said post central and upper extent are of uniform cross-section and free from obstructions, so that said hand held tool may be placed over and slidably moved along said post for cutting and removal from said post for independent use without modification, and is provided with graduations and stop means for accurate control of the tool and cut depth.
20. A tool and guide combination as defined in claim 18, wherein said spaced supports of said base are provided with grooves and slotted adjusting bars such that said bars are movable along said grooves as said means for adjusting the angle between said base and support for said base.