Portable circular power saw with optical alignment

Details Portable circular power saw with optical alignment Portable circular power saw with optical alignment

2006-08-29

2006-08-29

Peterson, Kenneth E. (Department: 3724)

Cutlery

Cutting tools

Saw

C083S520000

Reexamination Certificate

active

07096587

ABSTRACT:
A laser emitter projects a planer light beam to form an optical guideline on a work piece extending in a cutting direction of saw blade. The laser emitter is arranged behind, in the cutting direction, a tangential line of the circumference of the saw blade at an intersection of a bottom surface of the base and the circumference at a front side of the base in the cutting direction. The laser emitter forms the optical guideline behind the intersection in the cutting direction. The laser emitter is supported in respect of the saw blade slidingly in a direction defined by a rotation axis of the saw blade. The saw cover may have a window to transmit the laser beam toward the cutting point. A shutter selectively shutting the window may be provided.

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