Driver configuration for a power tool

• US 7,789,169 B2
• Filed: 03/31/2005
• Issued: 09/07/2010
• Est. Priority Date: 04/02/2004
• Status: Active Grant

• Current Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Original Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Inventors: Schell, Craig A., Gross, Paul, Berry, Alan, Bradenbaugh, Charles L. IV, Kenney, James J.
• Primary Examiner(s): Rada; Rinaldi I.
• Assistant Examiner(s): Weeks; Gloria R.
• Application Number:
  US11/095,725
• Publication Number:
  US 20050218183A1
• Time in Patent Office: 1,986 Days
• Field of Search: 173/213, 173/217
• US Class Current: 173/217
• CPC Class Codes: B25C 1/06 operated by electric power

Abstract

A tool with a driver and a motor assembly for selectively translating the driver along an axis. The driver has a driver blade and a driver body that is coupled the driver blade. The driver body can be formed of titanium and can include an engagement surface with a plurality of teeth that matingly engage respective teeth that are formed on the edge of a flywheel that is associated with the motor assembly.

Claims

1. A tool comprising:

a driver having a driver blade and an upper driver member that is coupled to the driver blade, the upper driver member having a driver body that is formed of titanium; and

a motor having an output member, the output member contacting a surface of the upper driver member to transmit energy from the output member to the upper driver member to translate the driver along an axis.

2. The tool of claim 1, wherein the upper driver member includes a wear-resistant coating that is coupled to the driver body.

3. The tool of claim 2, wherein the wear-resistant coating is at least partially formed of at least one of a tungsten carbide, tantalum tungsten carbide, nickel and chrome.

4. The tool of claim 1, wherein the driver body defines a cavity with a plurality of locking elements and the driver blade includes a plurality of mating locking elements that engage the locking elements.

5. The tool of claim 4, wherein the locking elements are teeth.

6. The tool of claim 4, wherein the driver further includes a gap filling material that is disposed between the locking elements and the mating locking elements.

7. The tool of claim 6, wherein the gap filling material is selected from at least one material from a group of materials consisting of plastic, epoxy, brass and zinc.

8. The tool of claim 1, wherein the output member provides a rotary output.

9. The tool of claim 1, wherein the motor includes an electric motor.

10. The tool of claim 9, wherein the output member is a flywheel.