Abrading – Machine – Endless band tool
Reexamination Certificate
2000-03-28
2001-12-04
Morgan, Eileen P. (Department: 3723)
Abrading
Machine
Endless band tool
C451S299000, C451S411000, C451S414000
Reexamination Certificate
active
06325707
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to plastics and woodworking machinery and, more particularly, to a machine for shaping a material by means of cutting or grinding.
2. The Prior Art
In accordance with the prior art, several types of machines are used consecutively to shape a material such as wood or plastic. Various cutting tools such as table saws, routers, miter saws, mortise machines, belt sanders, disk sanders, barrel sanders, chain saws, planers, jointers, drills and mills are used to form a material into a desired form. Acquiring and installing all these machines necessary for performing the required steps in the shaping process is expensive and space consuming. The machine disclosed in the present invention is designed to solve this problem. Patents illustrative of some of these prior art machines include U.S. Pat. Nos. 5,121,554; 4,787,127; 4,445,811; D325,862; 4,456,042; 4,939,870; 5,890,521 and 4,964,241.
SUMMARY OF INVENTION
It is a primary objective of the invention to provide a machine operable for removing material from an object to provide a desired shape. The present invention provides a multi-purpose, belt-driven machine that can, in conjunction with accessories, perform the functions of a table saw, router, planer, jointer, belt sander, disk sander, mortise, grinder and a borer. The outer surface of the drive belt includes an abrasive material adhered thereto. In addition to transferring mechanical energy from a motor to the work surface, the abrasive surface of the drive belt is operable for cutting a material to be shaped.
It is a further object of the invention to provide a drive belt having an abrasive outer surface and an inner opposing surface adapted to transfer rotational energy from a motor shaft to a rotatable member adapted to receive and support a cutting tool.
It is yet a further object of the invention to provide a machine having a working surface adapted to support a material object to be shaped and means for positioning and repositioning the object in cutting relationship with a cutting tool.
The machine may be used with both regular and modified belted sandpaper, disked sandpaper, router bits, circular saw blades, grinding wheels and chain saw bar and chains to remove material to shape an object. The features of the invention believed to be novel are set forth with particularity in the appended claims. However the invention itself, both as to organization and method of operation, together with further objects and advantages thereof may be best be understood by reference to the following description taken in conjunction with the accompanying drawings in which:
REFERENCES:
patent: D. 262541 (1982-01-01), Fontaine
patent: 2660205 (1953-11-01), Yetter
patent: 3968728 (1976-07-01), Goldfarb et al.
patent: 4114665 (1978-09-01), Decker
patent: 4926602 (1990-05-01), Crouch
patent: 4939870 (1990-07-01), Wang
patent: 11088 (1900-02-01), None
Morgan Eileen P.
Petit Michael G.
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