Planing/chamfering attachment for a rotary hand tool

Details Planing/chamfering attachment for a rotary hand tool Planing/chamfering attachment for a rotary hand tool

B - Operations, Transporting

27

C

B27C 1/10 (2006.01) B23B 45/02 (2006.01) B25F 3/00 (2006.01)

Patent

CA 2562302

A planing attachment (10) for a rotary hand tool (12) of the type having a generally cylindrical body (14) with an output shaft at a nose end (16) thereof to which a cutting bit (18) 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 (20) having an attaching end portion and a planing tool end portion (24), 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 (26) disposed between the leading plane and the trailing plane and is configured to receive the cutting bit therein, a cutting bit support (32) disposed at the planing tool end portion of the attachment.

Cet accessoire de dégauchissage est destiné à un outil à main rotatif, à corps généralement cylindrique, à l'extrémité de l'arbre de sortie duquel on peut monter un outil coupant. L'accessoire est configuré de façon à s'adapter par emboîtement à la tête de l'outil. L'accessoire comprend un carter définissant d'un bout une monture et de l'autre un outil à dégauchir. La monture est configurée pour s'emboîter exactement sur la tête de l'outil à main rotatif. L'accessoire comprend un plan d'attaque et un plan de fuite. L'un des deux plans est disposés sur les côtés opposés de l'outil de coupe. Le plan d'attaque est en relèvement par rapport au plan de fuite d'une élévation proportionnelle à la profondeur de la coupe faite par l'outil de coupe. Une cavité longitudinale entre le plan d'attaque et le plan de fuite permet d'accueillir l'outil de coupe, un support d'outil de coupe étant disposé à l'extrémité outil de dégauchissage de l'accessoire.

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