Tool for surface burring

Details Tool for surface burring Tool for surface burring

2007-04-10

2007-04-10

Eley, Timothy V. (Department: 3724)

Cutlery

Cutting tools

Plural blade

C030S502000, C030S503500, C083S875000, C083S883000

Reexamination Certificate

active

10916090

ABSTRACT:
A tool for burring the surface of a material. The tool has two sets of oppositely facing toothed blades which are made to move towards each other when the tool is pressed against a surface. Each tooth planes a shallow groove into the surface which results in hook-like burrs or planings rising from each groove. Limiters on the blade stroke ensure that the raised burr is not severed. A spring returns the blades to their start position. The resulting surface therefore has a plurality of shallow, non-piercing stopped grooves with a like plurality of hook-like burrs. Such a modified surface provides increased surface area for electrochemical activity, and a mechanical grip to materials bonded thereto. The tool uses replaceable blade packs which snap into a permanent tool housing. The tool may be operated with a simple hammer blow or it may be rapidly driven into large or small areas of a surface by a manual and/or computer directed punch press.

REFERENCES:
patent: 5376410 (1994-12-01), MacKelvie
patent: 6431331 (2002-08-01), Arbesman
patent: 6553869 (2003-04-01), MacKelvie
patent: 1337622 (1995-11-01), None

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