Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Reexamination Certificate
2007-01-30
2007-01-30
Howell, Daniel W. (Department: 3722)
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
C409S181000, C409S138000, C144S154500, C144S117100
Reexamination Certificate
active
10818915
ABSTRACT:
A planing attachment for a rotary hand tool of the type having a generally cylindrical body with an output shaft at a nose end thereof to which a cutting bit can be attached, the attachment being configured at an attaching end to matingly engage the nose end of the hand tool. The attachment includes a housing having an attaching end portion and a planing tool end portion, wherein the attaching end portion is configured to matingly engage the nose end of the rotary hand tool, and a leading plane and a trailing plane are configured wherein one of the planes is disposed on opposite sides of the cutting bit, and wherein the leading plane is elevated relative to the trailing plane by a distance proportional to the depth of cut made by the cutting bit. The attachment further includes a longitudinal cavity disposed between the leading plane and the trailing plane and is configured to receive the cutting bit therein, a cutting bit support disposed at the planing tool end portion of the attachment.
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Greer Burns & Crain Ltd.
Howell Daniel W.
Robert & Bosch GmbH
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