IP Library › Granted Patent US 11,342,101
Granted Patent B2
US 11,342,101 · App. 16/515,803 · Granted May 24, 2022

Magnetism booster assembly

Inventors: Michael J. Zimmermann (New Berlin, WI); Marcus Wechselberger (Powell, OH)
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
H01F7/02H01F13/00H05K5/0217
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Quick Facts
Patent No.
US 11,342,101
App. No.
16/515,803
Granted
May 24, 2022
Kind
B2
Abstract

A magnetism booster assembly including a sleeve having a first face, a second face, and an outer periphery surface extending between the first face and the second face. The sleeve defines a central bore extending from the first face to the second face. The sleeve also defines a pocket spaced apart from the central bore and having an opening in the first face. The magnetism booster assembly also includes a magnet positioned within the pocket.

Claims (29)

1. A magnetism booster assembly comprising:

a sleeve having a first face, a second face, and an outer periphery surface extending between the first face and the second face, the sleeve defines a central bore extending from the first face to the second face, the sleeve also defines a pocket spaced apart from the central bore and having an opening in the first face; and

a magnet positioned within the pocket;

wherein the pocket is partially defined by a back surface of the sleeve that acts as a stop for the magnet, and wherein the sleeve further defines an aperture in communication with the pocket and adjacent the back surface.

2. The magnetism booster assembly of claim 1 , wherein the sleeve is made of a flexible silicone material.

3. The magnetism booster assembly of claim 1 , wherein the sleeve includes a rib extending into the central bore, and wherein the rib is configured to engage a shaft of a tool.

4. The magnetism booster assembly of claim 1 , wherein the pocket is a first pocket and the magnet is a first magnet, wherein the sleeve further defines a second pocket spaced apart from the central bore and the first pocket, wherein the second pocket has an opening in the first face, and further comprising a second magnet positioned within the second pocket.

5. The magnetism booster assembly of claim 4 , wherein the first pocket and the second pocket are positioned on diametrically opposite sides of the central bore.

6. The magnetism booster assembly of claim 1 , wherein the sleeve has a length defined between the first and second faces between 16 mm and 28 mm.

7. The magnetism booster assembly of claim 1 , wherein the sleeve is generally circular.

8. The magnetism booster assembly of claim 1 , wherein the pocket has a generally rectangular cross-section.

9. The magnetism booster assembly of claim 1 , wherein the opening defines a lip that helps retain the magnet within the pocket.

10. The magnetism booster assembly of claim 1 , wherein the central bore defines a center axis, and wherein the magnet is inserted into the pocket of the sleeve in a direction parallel to the center axis.

11. The magnetism booster assembly of claim 1 , wherein the aperture extends through the second face into the pocket.

12. A magnetism booster assembly comprising:

a sleeve including a first face, a second face, and an outer periphery surface extending between the first and second faces, the sleeve defines a central bore extending from the first face to the second face, the central bore defines a center axis and includes an inside surface, the sleeve further includes a rib extending from the inside surface towards the center axis, the rib is configured to engage a shaft of a tool; and

a magnet supported by the sleeve;

wherein the rib extends circumferentially around the inside surface of the central bore.

13. The magnetism booster assembly of claim 12 , wherein the rib is a first rib positioned adjacent the first face of the sleeve, and wherein the sleeve further includes a second rib extending from the inside surface towards the center axis, the second rib is positioned adjacent the second face of the sleeve.

14. The magnetism booster assembly of claim 12 , wherein the rib extends from the inside surface towards the center axis within a range between approximately 1 mm and 3 mm.

15. The magnetism booster assembly of claim 14 , wherein the rib has a width that is approximately 1 mm.

16. The magnetism booster assembly of claim 12 , wherein the rib is flexible to accommodate a variety of tool shaft sizes and shapes.

17. A magnetism booster assembly comprising:

a flexible sleeve including a first face, a second face, and an outer periphery surface extending between the first face and the second face, the flexible sleeve defines a central bore extending between the first face and the second face;

a first magnet supported by the flexible sleeve and spaced apart from the central bore; and

a second magnet supported by the flexible sleeve and spaced apart from the central bore, the second magnet is positioned on a diametrically opposite side of the central bore as the first magnet;

wherein each magnet is received in a corresponding pocket of the flexible sleeve, wherein each pocket has an opening through which the corresponding magnet is received and allowing access to an interior of the pocket, and wherein each opening has a width that is less than a width of the interior of the corresponding pocket.

18. The magnetism booster assembly of claim 17 , wherein the flexible sleeve is made of a silicone material.

19. The magnetism booster assembly of claim 18 , wherein the silicone material has a hardness on the Shore A scale between durometer 50 and 60.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 18, 2020
From: ZIMMERMANN, MICHAEL J.; WECHSELBERGER, MARCUS
To: MILWAUKEE ELECTRIC TOOL CORPORATION
Reel/Frame 051847/0339 →
Continuity (2)
Provisional Application 62701204 · Jul 20, 2018
Related Publication 20200027635A1 · Jan 23, 2020
Cited By (1)
US 1,138,631