IP Library Granted Patent US 7,661,171
Granted Patent B2
US 7,661,171 · App. 12/014,620 · Granted Feb 16, 2010

Ramp with vehicle attachment

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Quick Facts
Patent No.
US 7,661,171
App. No.
12/014,620
Granted
Feb 16, 2010
Kind
B2
Abstract

The present invention relates to a ramp. The ramp includes at least two stiles. Each stile has a top, a bottom and four sides. A plurality of shoulders are equally spaced apart and mounted on one side of each stile. A plurality of rungs are aligned with the shoulders. Each rung has a right end, a left end and four sides. A plurality of notches are located on the right end and left end of each rung. The number of shoulders equals the number of the notches and the shoulders and notches are tightly fitted together to form the ramp.

Claims (16)

1. A ramp comprising:

at least two end stiles, each end stile having a top, a bottom and four sides;

at least one middle stile, each middle stile having a top, a bottom and four sides;

a plurality of shoulders, the shoulders being equally spaced apart and integrally formed on one side of each end stile and two sides of the middle stiles, the plurality of shoulders each having a solid body;

a plurality of solid rungs, each rung having a right end, a left end and four sides; and

a plurality of notches, the notches being located on the right end and left end of each rung, the number of shoulders equaling the number of the notches,

whereby the notches have an opposite design to that of the shoulders and, due to the opposite design, the shoulders and notches are tightly fitted together to form the ramp.

2. The ramp as claimed in claim 1 further comprising:

a ramp extension connecting to the top of each stile.

3. The ramp as claimed in claim 1 whereby the shoulders are four-sided having a flat top.

4. The ramp as claimed in claim 1 whereby the shoulders are four-sided shoulder having tapered top.

5. The ramp as claimed in claim 3 whereby the shoulders include a nib.

6. The ramp as claimed in claim 1 further comprising:

at least two retention chains for removably attaching the ramp to a vehicle.

7. The ramp as claimed in claim 1 further comprising:

support fasteners for fixedly holding the rungs and the stiles together.

Assignments (9)
NOTICE OF SUCCESSOR COLLATERAL AGENT Recorded Jul 8, 2024
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 068146/0438 →
SECURITY AGREEMENT Recorded May 23, 2012
From: HARBOR FREIGHT TOOLS USA, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 028253/0865 →
SECURITY AGREEMENT Recorded May 15, 2012
From: HARBOR FREIGHT TOOLS USA, INC.; HFT HOLDINGS, INC.; CENTRAL PURCHASING, LLC; CENTRAL PURCHASING INTERNATIONAL INC.; HARBOR FREIGHT TOOLS TEXAS, L.P.; HARBOR FREIGHT TOOLS INCENTIVES, LLC; TEXAS MANAGEMENT SERVICES, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 028214/0252 →
RELEASE OF SECURITY INTEREST Recorded May 15, 2012
From: HARBOR FREIGHT TOOLS USA, INC.; HFT HOLDINGS, INC.; CENTRAL PURCHASING, LLC; CENTRAL PURCHASING INTERNATIONAL INC.; HARBOR FREIGHT TOOLS TEXAS, L.P.; HARBOR FREIGHT TOOLS INCENTIVES, LLC; TEXAS MANAGEMENT SERVICES, LLC
To: BARCLAYS BANK PLC
Reel/Frame 028210/0667 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 24, 2011
From: CENTRAL PURCHASING, LLC
To: HARBOR FREIGHT TOOLS USA, INC.
Reel/Frame 025686/0409 →
SECURITY AGREEMENT Recorded Dec 28, 2010
From: CENTRAL PURCHASING, LLC
To: BARCLAYS BANK PLC
Reel/Frame 025569/0620 →
RELEASE OF SECURITY INTEREST AT 023985/0669 Recorded Dec 23, 2010
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH,
To: CENTRAL PURCHASING, LLC
Reel/Frame 025561/0975 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Feb 25, 2010
From: CENTRAL PURCHASING, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 023985/0669 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 17, 2008
From: GANG, WANG
To: CENTRAL PURCHASING, LLC
Reel/Frame 020406/0744 →