Motor housing and assembly process for impact wrench

• US 20050257945A1
• Filed: 05/20/2004
• Published: 11/24/2005
• Est. Priority Date: 05/20/2004
• Status: Active Grant

• Current Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Original Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Inventors: Kuehne, Brent A., Bodine, Thomas J., Plato, Barry E., Justis, Michael S.
• Granted Patent: US 7,077,218 B2
• Time in Patent Office: Days
• US Class Current: 173/217
• CPC Class Codes: B25D 2250/121 Housing details
• CPC Class Codes: B25F 5/02 Construction of casings, bodies or handles B25F5/006, B25F5/008 take precedence
• CPC Class Codes: Y10T 29/49799 Providing transitory integral holding or handling portion

Abstract

A handle for a power tool is provided including a field case and front handle portion formed as a single piece. The front handle portion has an opening in a rear side thereof for receiving the wiring for the power tool. The wiring is connected to a motor that is mounted in the field case. A rear handle portion is attached to the front handle portion for covering the opening in the rear of the front handle portion. An end cap is connected to a rear of the field case for covering the remaining exposed wires connected to the motor. With the front handle design, the wire-up of the power tool can be completed from one side of the tool without having to turn the tool over during the wire-up process.

Claims

1. A handle for a power tool comprising:

a field case and first handle portion formed as a single piece, said first handle portion having an opening in one side thereof;

a second handle portion attached to said first handle portion for covering said opening; and

an end cap connected to a first end of said field case.

2. The handle according to claim 1, wherein said field case defines a generally cylindrical motor chamber.

3. The handle according to claim 2, wherein said field case includes a plurality of screw bosses at a second end for mounting a gear case to said field case.

4. The handle according to claim 1, wherein said field case includes a first slide rail for engaging a corresponding second slide rail on said second handle portion.

5. The handle according to claim 4, wherein said end cap is disposed against said second handle portion for maintaining said second slide rail of said second handle portion in engagement with said first slide rail of said field case.

6. The handle according to claim 5, wherein an end portion of said first handle portion includes at least one screw boss for receiving a screw for securing said second handle portion to said first handle portion.

7. The handle according to claim 1, further comprising a trigger switch supported by said first handle portion.

8. The handle according to claim 1, wherein said field case includes a plurality of screw bosses at said first end for mounting said end cap to said field case.

9. The handle according to claim 1, wherein said opening in said first handle portion defines a first recess for receiving electrical wires therein and said field case includes a first slide rail including a pair of spaced parallel rails defining a second recess therebetween for receiving the electrical wires, said second handle portion covering said first and second recesses.

18. The handle according to claim 1, wherein said first handle portion does not have an opening to said field case.

10-17. -17. (canceled)