Pole sander

Patent metadata

Field	Value
Publication number	US-12005547-B2
Application number	US-202017075788-A
Country	US
Kind code	B2
Filing date	Oct 21, 2020
Priority date	Oct 23, 2019
Publication date	Jun 11, 2024
Grant date	Jun 11, 2024

Abstract

A handheld pole sander is provided including an elongate body having two ends, the elongate body including a first pole and a second pole made partially of electrically conductive material and capable of sliding in and out of each other in a telescopic manner the first pole and second pole are made from electrically conductive material. An electric motor electrically controlled by control electronics is provided, and a sanding head is attached via a pivot mechanism to a first end of the elongate body. At least one seal is located between overlapping parts of the first pole and second pole. The seal includes an electrically conductive material and provides an electrical connection between the first pole and second pole. Alternatively, at least one electrical contact is provided between the first pole and second pole to provide an electrical connection between the first pole and second pole.

First claim

The invention claimed is:

1. A handheld pole sander comprising:
an elongate body having a first end and a second end, the elongate body comprising a first pole and a second pole capable of sliding in and out of each other in a telescopic manner, wherein the first pole comprises a single tube and an internal wall located within the tube to form two passageways within the single tube;
an electric motor electrically controlled by control electronics;
a sanding head attached via a pivot mechanism to the first end of the elongate body, wherein the sanding head comprises a hood and an output spindle projecting from the hood and rotatably driven by the electric motor; and
at least one seal located between overlapping parts of the first pole and the second pole, wherein the at least one seal comprises a first seal mounted on an end of the first pole, the first seal comprising a tubular outer portion mounted on the single tube and an interior wall mounted on the internal wall of the first pole.

2. The handheld pole sander of claim 1 , wherein the first pole and the second pole are made from electrically conductive material.

3. The handheld pole sander of claim 2 , wherein at least a part of the at least one seal comprises an electrically conductive material and provides an electrical connection between the first pole and the second pole.

4. The handheld pole sander of claim 3 , wherein the first pole and the second pole are electrically connected to the control electronics in order for the first pole and the second pole to be connected to a neutral node of the control electronics.

5. The handheld pole sander of claim 1 , wherein at least one of the first pole or the second pole is manufactured from metal tubing.

6. The handheld pole sander of claim 1 , wherein the single tube and the internal wall of the first pole are made of aluminium, and wherein the two passageways of the single tube includes a first passageway for passage of air and a second passageway through which an electric cable extends.

7. The handheld pole sander of claim 6 , wherein the second pole comprises a first tube through which the single tube of the first pole is slidingly receivable and a second tube located within the first tube that is slidingly receivable through one of the passageway of the single tube of the first pole, and wherein the at least one seal further comprises a second seal mounted on an end of the second pole and overlapping the first pole, and a third seal mounted on an end of the third pole and located within one of the two passageways of the single tube.

8. The handheld pole sander of claim 7 , wherein the third seal is located within the second passageway.

9. The handheld pole sander of claim 7 , wherein air travels through a length of the elongate body through the first passageway of the single tube of the first pole and the first tube of the second pole.

10. The handheld pole sander of claim 9 , wherein the second passageway of the single tube of the first pole cooperates with the second tube of the second pole to form a conduit through which an electric cable extends from the electric motor to the control electronics.

11. The handheld pole sander of claim 10 , further comprising a rear housing mounted on the second end of the elongate body remote from the sanding head, wherein the control electronics are mounted in a control module inside the rear housing adjacent the second end, the electric motor is mounted on the hood.

Assignees

• Black & Decker Inc

Inventors

• Miebach Robert
• Turisin Marek
• Roth Joerg
• Heilig Thomas
• Heimrich Tim

Classifications

• B24B55/102

  with rotating tools · CPC title

• B24B47/12

  by mechanical gearing or electric power (B24B47/16 takes precedence) · CPC title

• H01R4/00

  Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation · CPC title

• B25F5/02

  Construction of casings, bodies or handles {(B25F5/006, B25F5/008 take precedence)} · CPC title

• B25F5/008

  Cooling means · CPC title