IP Library Granted Patent US 7,959,191
Granted Patent B2
US 7,959,191 · App. 12/099,645 · Granted Jun 14, 2011

Water flow through pole with locking mechanism

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Quick Facts
Patent No.
US 7,959,191
App. No.
12/099,645
Granted
Jun 14, 2011
Kind
B2
Abstract

An extension pole including an outer tube connected to a water source and an inner tube positioned in a telescoping relationship to the outer tube. The inner tube includes a series of spaced apart openings that are engaged by a biased locking member positioned on the end of the outer tube. The locking member may be manually released by activation of a release button connected to locking member, thereby allowing inner and outer tubes to be moved with respect to each other. The extension pole also includes a locking nut assembly positioned on the free end of the inner tube for attaching the tube to cleaning tool and preventing rotation of the cleaning tool during use.

Claims (20)

1. An extension pole, comprising:

a first tube comprising an inner surface defining an interior space;

a second tube positioned at least partially said the interior space of the first tube, with the second tube comprising an outer surface in a telescoping relationship with the inner surface of the first tube; and

a locking assembly interconnected to one end of said first tube;

wherein:

the second tube further comprises at least one recess formed in its outer surface;

the locking assembly includes a locking member that is moveable between at least a locked position and an unlocked position;

the locking member and the second tube are sized, shaped and located so that the locking member protrudes into the recess when the locking member is in the locked position; and

the locking member and the second tube are further sized, shaped and located so that the locking member is spaced away from the recess when the locking member is in the unlocked position;

wherein:

said second tube further comprises a first interior space, a second interior space and dividing hardware, with both the first interior space being enclosed in a fluid tight manner, the second interior space being at substantially enclosed, and with the at least one recess being formed as a hole extending from the outer surface of the second tube to the second interior space;

the first interior space of the first tube is located to be in fluid communication with the first interior space of the second tube;

the dividing hardware is sized, shaped and located to prevent the second interior space of the second tube from being in fluid communication with either of the first interior space of the first tube and the second interior space of the second tube; and

the locking member and the second tube are sized, shaped and located so that the locking member protrudes into the second interior space when the locking member is in the locked position.

2. The pole of claim 1 , wherein the shape of the recess is selected from the group consisting of an opening, a slot, a groove, a detent, and a hole.

3. The pole of claim 2 , wherein said locking assembly further includes means for biasing said locking member away from the unlocked position and toward the locked position.

4. The pole of claim 3 , wherein said locking assembly further includes means for manually moving said locking member from the locked position to the unlocked position.

5. The pole of claim 4 , wherein said means for manually moving said locking member comprises a lever pivotally mounted to said locking assembly.

6. The pole of claim 3 , wherein said means for biasing comprises a spring.

7. The pole of claim 1 further comprising a cleaning implement mechanically connected to said second tube, with the cleaning implement being structured to clean using flowing water that flows through the first and second tubes to the cleaning implement.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Nov 2, 2017
From: PENFUND CAPITAL III LIMITED PARTNERSHIP
To: CARRAND COMPANIES, INC.
Reel/Frame 044021/0466 →
PATENT COLLATERAL AGREEMENT Recorded May 9, 2017
From: CARRAND COMPANIES, INC.
To: THE BANK OF NOVA SCOTIA
Reel/Frame 042430/0253 →
PATENT COLLATERAL AGREEMENT Recorded Jun 8, 2011
From: CARRAND COMPANIES, INC.
To: PENFUND CAPITAL FUND III LIMITED PARTNERSHIP
Reel/Frame 026410/0318 →
SECURITY AGREEMENT Recorded Jun 3, 2011
From: CARRAND COMPANIES, INC.
To: THE BANK OF NOVA SCOTIA
Reel/Frame 026390/0635 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 1, 2008
From: SCHOUTEN, PIETER
To: CARRAND COMPANIES, INC.
Reel/Frame 021176/0266 →