Stone working – Sawing – Disk cutting
Reexamination Certificate
2000-03-21
2001-07-03
Rose, Robert A. (Department: 3723)
Stone working
Sawing
Disk cutting
C451S415000, C451S549000, C225S096500
Reexamination Certificate
active
06253756
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an accessory for a cutting device such as a cutting tool for cutting ceramic tiles, for instance, an accessory to drill holes in the ceramic tiles.
BACKGROUND OF THE INVENTION
Tile cutters or the like in general include a base fitted with a small workbench on which the user deposits a tile to be cut. These tile cutters also comprise two guide bars mounted parallel to the plane of the workbench. A carriage slides on the two guide bars. The carriage supports a cutting tool, generally a carbide tip, to score the tile to be cut and a break off foot to rupture the tile along the scored line previously incised by the carbide tip.
If more complex cutting is required, such a cutter may need an accessory to perform the more complex cutting. Illustratively, a ceramic tile may have to be drilled through to allow a plumbing pipe to pass there through.
Illustratively such an accessory is mounted on the guide bars and is fitted with a tool which may assume two positions: a rest position wherein the accessory is retracted and an operating position wherein the accessory rests against the tile to be drilled.
Such accessories may be sold separately from the tile cutters. Consequently, the accessory must be adaptable to different kinds of tile cutters or the like. The tile cutters often differ in their dimensions, in particular, the diameters and the distances between the guide bars. Such tile cutters also may differ by the height of the guide bars relative to the workbench.
SUMMARY OF THE INVENTION
The objective of the present invention is to provide an accessory which can be mounted on the guide bars of a tile cutter and which shall be adaptable to different tile cutters and the like even the tile cutters have differing inter-bar distances and different diameters.
These and other objects of the present invention are achieved by an accessory mounted on a cutting device including two mutually parallel guide bars. The accessory includes a first channel formed in the accessory for receiving one of the two mutually parallel guide bars. A second channel is formed to receive the other of the two mutually parallel guide bars in such manner that the second guide bar is freely translatable in the second channel. An affixation device is firmly affixes the accessory to one of two mutually parallel guide bars.
Still other objects and advantages of the present invention will become readily apparent to those skilled in the art from the following detailed description, wherein the preferred embodiments of the invention are shown and described, simply by way of illustration of the best mode contemplated of carrying out the invention. As will be realized, the invention is capable of other and different embodiments, and its several details are capable of modifications in various obvious respects, all without departing from the invention. Accordingly, the drawings and description thereof are to be regarded as illustrative in nature, and not as restrictive.
REFERENCES:
patent: 1511016 (1924-10-01), Barker
patent: 5040445 (1991-08-01), Liou
patent: 5626124 (1997-05-01), Chen
patent: 296 06 950 U (1996-07-01), None
patent: 2322485A (1997-10-01), None
Diamant Boart S.A.
Lowe Hauptman & Gilman & Berner LLP
Rose Robert A.
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