Abrading – Rigid tool – Having actuating handle
Reexamination Certificate
1999-05-13
2001-10-02
Hail, III, Joseph J. (Department: 3723)
Abrading
Rigid tool
Having actuating handle
C451S515000, C451S525000
Reexamination Certificate
active
06296558
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to sanding devices.
More particularly, the present invention relates to devices for retaining sandpaper during sanding procedures.
BACKGROUND OF THE INVENTION
Sandpaper is used in a wide variety of activities and on many materials. Woodworkers, auto body workers, painters etc. are among those who use sandpaper on wood, metal, wallboard and filler compounds to list a few. Small, curved or irregular shaped surfaces are typically sanded by holding the sandpaper in the hand. A human hand is capable of forming itself to the desired shape, or forcing the sandpaper into small areas. The problem is that the human hand does not provide a uniform and unvarying force because of a tendency to change shape due to its highly articulate nature. Also, it is often very difficult to adequately maintain a secure hold on a piece of sandpaper.
To overcome these problems, sanding blocks are commonly used. A sanding block generally has a planar surface over which the sandpaper is placed. An individual gripping the block also grips the edges of the sandpaper thereby holding the sandpaper in place. While generally effective for sanding planar surfaces, irregular, contoured or curved surfaces are still commonly sanded by hand, as a sanding block is ineffectual. Thus, the problem of applying a uniform and consistent force is still a problem.
It would be highly advantageous, therefore, to remedy the foregoing and other deficiencies inherent in the prior art.
Accordingly, it is an object of the present invention to provide a sanding device for securely holding sandpaper while sanding.
Another object of the present invention to provide a sanding device which is capable of uniformly and consistently sanding surfaces.
And another object of the present invention to provide a sanding device which can be employed to sand planar surfaces, curved surfaces, contoured surfaces, corners, etc.
Still another object of the present invention to provide a sanding device in which sandpaper is easily installed.
SUMMARY OF THE INVENTION
Briefly, to achieve the desired objects of the present invention in accordance with a preferred embodiment thereof, provided is a sanding device for retaining a piece of sand paper including a first section having the general shape of a channel including spaced apart sidewalls in a generally outwardly divergent and outwardly biased relationship. The sidewalls each terminate in an end and are movable between an inwardly compressed position and an outwardly biased position. A second section includes a base having a first surface, an opposing second surface, and spaced apart engagement members extending upwardly and inwardly convergent from the first surface for receiving the ends of the first section therebetween with the sidewalls in the inwardly compressed position and retaining the ends with the sidewalls in the outwardly biased position. Ends of the piece of sandpaper are receivable between respective ends of the first section and the engagement members and retained thereby with the sidewalls in the outwardly biased position.
In accordance with another embodiment, the ends of the sidewalls of the first section each include a sandpaper engagement element for receiving the ends of a piece of sandpaper in the inwardly compressed position and tautly retaining the sandpaper therebetween in the outwardly biased position in the absence of the second section. The sandpaper engagement elements are generally hook shaped to form an upwardly directed slot for receiving the end of the piece of sandpaper.
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patent: 2482344 (1949-09-01), Kent
patent: 2493505 (1950-01-01), Schueller
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patent: 3073084 (1963-01-01), Howard
patent: 5168672 (1992-12-01), Gregoire, Sr.
Poole Daniel L.
Poole Robert N.
Goltry Michael W.
Hail III Joseph J.
Nguyen George
Parsons Robert A.
Parsons & Goltry
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