IP Library › Granted Patent US 7,824,137
Granted Patent B2
US 7,824,137 · App. 11/435,133 · Granted Nov 2, 2010

Universal quick connect system for a hole saw

Assignee: Maxtech Consumer Products Limited
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Quick Facts
Patent No.
US 7,824,137
App. No.
11/435,133
Granted
Nov 2, 2010
Kind
B2
Abstract

The invention is directed at a quick connect mechanism for mounting a hole saw to a tool comprising a hole saw; a mandrel having a first end for mounting to the hole saw and a second end for mounting to the tool; and a drill bit, assembled within the mandrel such that when the mandrel is connected to the hole saw, the drill bit being concentrically centered within the hole saw; a holder, mounted to the tool, for receiving the second end of the mandrel; wherein the second end of the mandrel includes quick connect means for easily mounting the mandrel to and releasing the mandrel from the holder.

Claims (30)

1. A mechanism for mounting a hole saw to a tool comprising:

a hole saw;

a mandrel having a first end for mounting to said hole saw-and a second end;

a drill bit, assembled within said mandrel such that when said mandrel is connected to said hole saw, said drill bit being concentrically centered within said hole saw; and

a holder, mounted to said tool, for receiving said second end of said mandrel;

a quick connect apparatus for quick release of the mandrel from the holder;

wherein the quick connect apparatus allows for easy mounting of said mandrel to and releasing of said mandrel from said holder; and

wherein said mandrel further includes a circumferential locator, located within the mandrel, for locating said mandrel within said holder when connected and securing means for securing said drill bit in place.

2. The mechanism of claim 1 wherein said drill bit is assembled to said mandrel via a set screw.

3. The mechanism of claim 1 further comprising a plate between said mandrel and a bottom surface of the hole saw.

4. The mechanism of claim 3 wherein said plate being slightly larger in diameter than said hole saw.

5. The mechanism of claim 3 wherein said plate is a saw plate.

6. The mechanism of claim 5 wherein said saw plate includes tangs for mating with corresponding notches in said hole saw.

7. A quick connect system comprising:

a quick connect holder having one end for mounting to the tool;

a storage case including a plurality of docking stations for housing multiple hole saw and mandrel combinations; said hole saw and mandrel combinations including at least two of the following:

a hole saw;

a mandrel having a first end for mounting to said hole saw and a second end for mounting to said quick connect holder; and

a drill bit, assembled within said mandrel such that when said mandrel is connected to said hole saw, said drill bit being concentrically centered within said hole saw; and

each of said docking stations including a post for receiving said drill bit to allow for convection cooling for said hole saw and mandrel combination.

8. The mechanism of claim 1 wherein said drill bit is concentrically spaced within said mandrel.

9. The mechanism of claim 1 wherein said securing means is a ball which mates with a groove in said drill bit.

10. The mechanism of claim 1 wherein drill bit is assembled at said first end of said mandrel.

11. The mechanism of claim 1 wherein said holder includes a tool end for mounting to said tool.

12. The mechanism of claim 11 wherein said tool end comprises a hex shaped bit representing an end of a drill bit.

13. The mechanism of claim 1 wherein said tool is a drill.

14. The quick connect system of claim 7 wherein contact between said post and said drill bit occurs at a cooler portion of said drill bit.

15. The quick connect system of claim 7 wherein said docking stations are manufactured from a material which is capable of conducting heat.

16. The quick connect system of claim 7 wherein said docking stations houses said hole saw and mandrel combination permitting easy access of the mandrel when approached by the holder.

17. The mechanism of claim 1 wherein the locator is circular.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 17, 2006
From: VASUDEVA, KAILASH C.; SINGH, SATNAM
To: MAXTECH CONSUMER PRODUCTS LIMITED
Reel/Frame 017894/0226 →
Continuity (1)
Related Publication 20070269280A1 · Nov 22, 2007