IP Library Granted Patent US 12,459,104
Granted Patent B2
US 12,459,104 · App. 17/869,625 · Granted Nov 4, 2025

Tool cart with backpack straps and dolly

Inventor: Richard A. Hamon (Benbrook, TX)
Assignee: MulePro Industries, LLC
B25H3/022B62B5/0023B62B5/067
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Quick Facts
Patent No.
US 12,459,104
App. No.
17/869,625
Granted
Nov 4, 2025
Kind
B2
Abstract

A tool cart has a compartment in the middle to store tool kits or other equipment. The tool cart contains a retractable dolly and a pair of straps to allow a user to carry it on their back. The side surfaces of the tool cart also contain compartments to store more tools or other equipment. The tool cart also has an extra carry-on tray to store more tools.

Claims (64)

1 . A tool cart comprising:

a tool compartment defined by a pair of opposing end walls, a back wall, a handle portion, and a base;

a retractable hoist ring positioned within the handle portion;

a pair of stoppers secured to a pair of ends of the hoist ring, the pair of stoppers being configured to prevent the hoist ring from being pulled out of the handle portion;

at least one wheel attached to the base of the tool compartment; and

at least one support strap attached to a back of the back wall;

wherein the hoist ring is U-shaped with the arched portion extending above the handle portion.

2 . The tool cart of claim 1 , wherein the tool compartment is formed from a lightweight material.

3 . The tool cart of claim 1 , wherein the base of the tool compartment is grooved to securely receive at least one tool kit.

4 . The tool cart of claim 1 , further comprising:

at least one crossbar handle extending outwardly from a side of the tool compartment.

5 . The tool cart of claim 1 , further comprising:

a cushion attached to the back of the back wall;

at least one additional support strap attached to the back of the back wall;

a strap buckle housing on the at least one support strap;

a strap buckle insert on the at least one additional support strap, such that the tool cart can be secured to an individual by inserting the buckle insert into the buckle housing; and

at least one tightening grip for adjusting the length of the at least one support strap.

6 . The tool cart of claim 1 , wherein the at least one support strap is replaceable.

7 . The tool cart of claim 1 , further comprising:

at least one tool carrier connected on at least one end wall of the pair of opposing end walls.

8 . The tool cart of claim 7 , wherein the at least one tool carrier comprises:

at least one tool pouch, the at least one tool pouch being configured to receive at least one tool; and

a support strap extending along a bottom of the at least one tool pouch, the support strap being configured to support the weight of at least one tool pouch.

9 . The tool cart of claim 1 , further comprising:

a retractable dolly connected to a front of the tool compartment.

10 . The tool cart of claim 9 , the retractable dolly comprising:

a base;

a segmented front wall extending up from the base;

a pair of opposing end walls extending up from the base, the pair of opposing end walls further being configured to connect to the segmented front wall to enclose the base;

at least one pair of hinges connecting the pair of end walls to the tool compartment, the at least one pair of hinges being configured to rotate the retractable dolly between an upright and lowered position; and

at least one dolly tab extending outwardly from at least one of the pair of end walls, the at least one dolly tab being configured to receive a fastener tab on the tool compartment to secure the retractable dolly in the upright position.

11 . The tool cart of claim 1 , further comprising:

a slide out dolly, comprising:

a base;

a segmented front wall extending up from the base; and

a pair of opposing end walls extending up from the base, the pair of opposing end walls further connecting to the segmented front wall to enclose the base; and

a slide out storage compartment disposed within the tool compartment, the slide out storage compartment being configured to receive the slide out dolly.

12 . The tool cart of claim 1 , further comprising:

a retractable tow handle positioned behind the handle portion, the retractable tow handle comprising:

a tow handle;

at least one telescopic tow bar extending down from the tow handle, the at least one telescopic tow bar being configured to extend up from the back wall;

at least one bar storage connected to the back wall, the at least one bar storage being configured to store the at least one telescopic tow bar; and

a handle release disposed on the tow handle, the handle release being configured to release and extend the at least one telescopic tow bar from the at least one bar storage.

13 . The tool cart of claim 1 , further comprising:

a carry-on tray storage tray.

14 . The tool cart of claim 13 , the carry-on storage tray comprising:

a base;

a front wall extending up from a front of the base;

a pair of side walls extending up from opposing sides of the base, the pair of side walls being configured to connect to the front wall; and

at least one protrusion extending outwardly from the front wall or the pair of side walls, the at least one protrusion increasing the surface area of the base.

15 . The tool cart of claim 1 , further comprising:

a carry-on storage drawer.

16 . The tool cart of claim 15 , the carry-on storage drawer comprising:

a base;

a compartment formed by a pair of end walls, a front wall, a segmented back wall, and a top portion;

a hinge connecting the compartment to the base, the hinge being configured to allow compartment to rotate relative to the base; and

a handle extending up from the top portion.

17 . The tool cart of claim 1 , further comprising:

at least one retractable ladder hook connected to the back wall, the at least one retractable ladder hook being configured to rotate up for attachment onto a ladder rung.

18 . The tool cart of claim 1 , further comprising:

at least one security strap fastened to a front of the back wall;

at least one additional security strap fastened to the front of the back wall;

a strap buckle housing on the at least one security strap; and

a strap buckle insert on the at least one additional security strap, such that a tool kit can be secured within the tool compartment by inserting the buckle insert into the buckle housing.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 29, 2022
From: HAMON, RICHARD A.
To: MULEPRO INDUSTRIES, LLC
Reel/Frame 060928/0698 →
Continuity (1)
Related Publication 20240025028A1 · Jan 25, 2024
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