IP Library Granted Patent US 10,661,606
Granted Patent B2
US 10,661,606 · App. 15/727,381 · Granted May 26, 2020

Vehicle recovery ladder

Inventors: Bradley John McCarthy (Brisbane, AU); Neil Davidson (Brisbane, AU)
Assignee: MAXTRAX AUSTRALIA PTY LTD
B60B39/12B60B2900/721
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Quick Facts
Patent No.
US 10,661,606
App. No.
15/727,381
Granted
May 26, 2020
Kind
B2
Abstract

A vehicle recovery ladder includes a body and traction members fastened to the body. Advantageously, in one embodiment any damaged traction members may be readily released and replaced to maintain the performance of the ladder. The traction members may be fastened to the body during forming of the body, Advantageously, the traction members are releaseably fastened to the body.

Claims (27)

1. A vehicle recovery ladder, comprising:

a substantially rigid body defining a recovery ladder top side and a recovery ladder bottom side; and

a plurality of tire traction members configured for engaging with a vehicle tire and fastened to the body during forming of the body so as to be accessible from both the top side of the recovery ladder and the bottom side of the recovery ladder, wherein each of the plurality of tire traction members includes a rotational release configured for rotationally releasing the tire traction member from the body.

2. The vehicle recovery ladder of claim 1 , wherein the tire traction members include metal material.

3. The vehicle recovery ladder of claim 1 , wherein the rotational release includes a thread configured for engaging within the body.

4. The vehicle recovery ladder of claim 1 , wherein the rotational release includes a tool recess configured for receiving a release tool.

5. The vehicle recovery ladder of claim 1 , wherein each of the plurality of tire traction members includes an inhibiter configured for inhibiting unintentional release of the tire traction member from the body.

6. The vehicle recovery ladder of claim 5 , wherein the inhibitor includes one or more formations selected from the group consisting of a tongue, a groove, and a blip.

7. The vehicle recovery ladder of claim 1 , wherein each of the plurality of tire traction members includes a skirt from which a tooth extends.

8. The vehicle recovery ladder of claim 1 , wherein each of the plurality of tire traction members is over-molded.

9. The vehicle recovery ladder of claim 1 , wherein each of the plurality of tire traction members forms a direct bond with the body.

10. The vehicle recovery ladder of claim 9 , wherein the direct bond is a chemical bond formed by crosslinking of body material and tire traction member material.

11. The vehicle recovery ladder of claim 10 , wherein the chemical bond is breakable to release the tire traction members from the body.

12. The vehicle recovery ladder of claim 9 , wherein the direct bond is a mechanical bond including engaged threads on each of the plurality of tire traction members and the body.

13. A vehicle recovery ladder including:

a substantially rigid body defining a recovery ladder top side and a recovery ladder bottom side; and

a plurality of tire traction members, configured for engaging with a vehicle tire, each of the tire traction members releasably fastened to the body by a rotational release including threads engaging within the body, wherein the plurality of tire traction members are releasably fastened to the body during forming the body so as to be accessible from the top side of the recovery ladder and the bottom side of the recovery ladder.

14. The vehicle recovery ladder of claim 13 , wherein the threads become engaged within the body when injection molding the body in a mold containing the tire traction members.

15. The vehicle recovery ladder of claim 13 , wherein the tire traction members include metal material.

16. The vehicle recovery ladder of claim 13 , wherein each of the plurality of tire traction members includes an inhibiter configured for inhibiting unintentional release of the tire traction member from the body.

17. A method of forming a vehicle recovery ladder, the method including the steps of:

locating a plurality of tire traction members in a mold, wherein the tire traction members are configured for engagement with a vehicle tire; and

molding a body in the mold to form a bond with the tire traction members;

wherein the molded body with the tire traction members bonded therein forms a substantially rigid vehicle recovery ladder having a top side and a bottom side; wherein each of the plurality of tire traction members includes a rotational release configured for rotationally releasing the tire traction member from the body; and wherein the plurality of traction members can be accessed from the topside of the vehicle recovery ladder and the bottom side of the vehicle recovery ladder.

18. A vehicle recovery ladder, comprising:

a substantially rigid body defining a recovery ladder top side and a recovery ladder bottom side; and

a plurality of tire traction members configured for engaging with a vehicle tire and fastened to the body during forming of the body so as to be accessible from both the top side of the recovery ladder and the bottom side of the recovery ladder, wherein each of the plurality of tire traction members includes an inhibiter configured for inhibiting unintentional release of the tire traction member from the body, wherein the inhibitor includes one or more formations selected from the group consisting of a tongue, a groove, and a blip.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Feb 29, 2024
From: JPMORGAN CHASE BANK, N.A.
To: MAXTRAX AUSTRALIA PTY LTD
Reel/Frame 066604/0528 →
SECURITY INTEREST Recorded Feb 1, 2022
From: MAXTRAX AUSTRALIA PTY LTD
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 058850/0036 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 6, 2017
From: MCCARTHY, BRADLEY JOHN; DAVIDSON, NEIL
To: MAXTRAX AUSTRALIA PTY LTD
Reel/Frame 043808/0529 →
Priority Claims (2)
AU 2015904551 · Nov 6, 2015 · national
AU 2017901686 · May 8, 2017 · national
Continuity (2)
Continuation In Part PCTAU2016051051 · Nov 4, 2016
Related Publication 20180029416A1 · Feb 1, 2018
Cited By (4)
US 1,056,822 US 1,073,581 US 12,697,945 US 12,722,569