Credo Technology Corporation

Roto Zip Tool Corporation

Jason R Kopras

Scott Peter Adler

Robert K Kopras

Douglas E Seals

Ryan W Rindy

Daniel Bullis

Larry Gunseor

Cory R Boudreau

Rick W Walker

Vincent Haley

James Stanley

Jeffrey R Walker

A hand-held power tool includes a housing having a motor provided therein, a cutting accessory coupled to the motor and means for selectively directing a flow of air toward a point of cut of the cutting accessory. The flow of air acts to remove debris at the point of cut to improve visibility of the workpiece.

Power tool

A circle forming apparatus () for a power tool and a method for using the apparatus provides for the formation of circles or circular apertures in a workpiece. A first arm () and second arm () are rotatably coupled, and a fastener allows a user to secure the first arm relative to the second arm. The second arm includes a pivot point (), and the first arm includes means () for coupling the first arm to a power tool.

Circle forming attachment for hand held power tool

A rotary cutting tool includes a housing and a motor provided within the housing for rotating a cutting accessory coupled to the rotary cutting tool. The rotary cutting tool also includes a plurality of light emitting diodes for illuminating a point of cut of the rotary cutting tool. Each of the plurality of light emitting diodes have a central longitudinal axis, and at least one of the light emitting diodes is couple to the housing such that the central longitudinal axis of the light emitting diode is not parallel to a rotation axis of the cutting accessory.

Power tool with light emitting diode

A guide () for setting the depth of cut of a rotary cutting tool, or other hand-held power tool, which automatically locks into a desired position to set the depth of a cut without requiring manual operation of a locking knob or similar structure. The depth guide is released from the locked position by actuation of a release switch (). The depth guide includes a depth guide base (), a depth guide shaft () attached to the depth guide base, and an automatic locking and release mechanism () coupled to the depth guide shaft. The automatic locking and release mechanism and depth guide shaft may be mounted in a handle () of the hand-held power tool, such as a detachable handle, for mounting the depth guide to the tool.

Automatic locking depth guide for cutting tools and the like

Flexible shaft cutting tool

A hand-held power tool, such as a spiral cutting tool, with improved operator control and visibility. The power tool includes a motor contained in a motor housing. The motor may be a variable speed motor controlled by a speed control user interface mounted on the housing. Each time a speed control button is actuated, the motor speed is changed. A display provides the operator of the tool with an indication of the motor speed selected. A detachable handle is provided with a moveable mechanism for easily, quickly, and securely attaching the handle to the housing and removing the handle therefrom with one hand. The detachable handle may include one or more storage compartments formed therein. The detachable handle includes a trigger switch mounted therein for operating the cutting tool motor. The trigger switch is mounted in the detachable handle in a position such that the switch is operated by the little finger and ring finger of an operator's hand. The trigger switch is coupled to a motor controller within the motor housing without use of a direct mechanical connection, so as not to interfere with the easy and quick attachment and detachment of the handle to and from the housing. Operation of the trigger switch is enabled by a multiple-position power switch mounted on the housing. High-output LEDs are mounted in the housing to direct beams of light toward a workpiece at the point of a cut, to improve workpiece visibility. Air vents are provided for directing a flow of air onto a workpiece being cut to remove cutting debris therefrom to further improve operator visibility.

Hand-held power tool

Growing community of inventors

Blue Mounds, WI, United States of America

Jason R Kopras