Portable finishing apparatus for hard material

Details Portable finishing apparatus for hard material Portable finishing apparatus for hard material

2008-05-20

2008-05-20

Nguyen, Dung Van (Department: 3723)

Stone working

Tools

Surface traversing

C451S011000

Reexamination Certificate

active

07373936

ABSTRACT:
The instant invention relates to power tools. More specifically, the instant invention is a portable device for shaping, contouring and polishing the edge of a workpiece consisting of a hard material. The device includes a guide-way constructed and arranged to attach directly to the upper surface of the workpiece. A carriage is slidably supported on the guide-way for movement along the length thereof. Secured to the carriage is a motor for rotation of a rotary tool. A pneumatic cylinder is provided to force the rotary tool into the workpiece with a predetermined pressure along a predetermined axis of approach. The carriage is constructed and arranged for vertical positioning and angular rotation of the rotary tool.

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