# US 11,307,001 B2 · Aerial devices having ballistic protection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,001 B2 - Document ID: US11307001B2 - Status: Granted - Kind: B2 - Application number: 16/539,789 - Filed: 2019-08-13 - Published: 2021-02-18 - Granted: 2022-04-19 - Earliest claimed: 2019-08-13 - Assignees: Ameren Corporation - Applicants: Ameren Corporation - Inventors: Benjamin N. Lynch; Steve Schmitz; Steve Hampton - Web page: https://patentgrep.com/patent/US11307001B2 ## CPC - F41H 5/013: Mounting or securing armour plates - B66F 17/006: {for working platforms} - F41H 5/0485: {all the layers being only fibre- or fabric-reinforced layers} - F41H 5/06: Shields (in ships B63G9/00; in aircraft B64D7/00 {; blasting mats F42D5/05}) - F41H: ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL - B66F: HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD ({invalid lifting devices A61G7/10; } mounting artificial islands on piles or like supports E02B17/00; scaffolding combined with lifting devices E04G1/22; lifting devices for sliding forms E04G11/24; lifting of buildings E04G23/06; shores or struts E04G25/00; lifts or other hoisting devices on ladders E06C7/12; props for mining E21D15/00) ## Abstract An aerial lift system is provided for ballistic protection. The system includes an aerial lift device comprising a floor and a sidewall, the floor and the sidewall defining an interior cavity adapted for supporting one or more persons therein; and a liner comprising a floor and a sidewall and being adapted to be positioned within the interior cavity of the aerial lift device, and defining an opening between the aerial lift device and the liner. Additionally, the system includes at least one of the following: the system further includes a ballistic material adapted to be positioned between the liner and the aerial lift device; or the aerial lift device is comprised of a ballistic material; or the liner is comprised of a ballistic material. ## Claims ### Claim 1 An aerial lift system providing ballistic protection comprising: an aerial lift device comprising a floor and a sidewall, the floor and the sidewall defining an interior cavity adapted for supporting one or more persons therein; and a liner comprising a floor and a sidewall and being adapted to be positioned within the interior cavity of the aerial lift device, and defining an opening between the aerial lift device and the liner; and a ballistic material adapted to be positioned in the opening between aerial lift device and the liner, the ballistic material providing at least an NIJ Type IIA level of protection. ### Claim 2 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material provides at least an NIJ Type II level of protection. ### Claim 3 (depends on 1) The aerial lift system of claim 1, wherein the liner comprises a rim along the top of the sidewall of the liner, the rim being adapted to extend toward the aerial lift device to cover the opening between the aerial lift device and the liner. ### Claim 4 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material is adapted to retrofit the aerial lift device and the liner. ### Claim 5 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material is not visible from the exterior of the aerial lift device. ### Claim 6 (depends on 1) The aerial lift system of claim 1, wherein the aerial lift device is comprised of a ballistic material. ### Claim 7 (depends on 1) The aerial lift system of claim 1, wherein the liner is comprised of a ballistic material. ### Claim 8 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material has a thickness of from about 4 to about 40 mm, a tensile strength to weight ratio of at least 2000 kN·m/kg, and a weight of less than 20 kg/m2. ### Claim 9 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material has a thickness of from about 5 to about 25 mm, a tensile strength to weight ratio of at least 2000 kN·m/kg, and a weight of less than 10 kg/m2. ### Claim 10 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material providing at least an NIJ Type IIIA level of protection. ### Claim 11 (depends on 10) The aerial lift system of claim 10, wherein the ballistic material has a thickness of about 5 to about 10 mm, a tensile strength to weight ratio of at least 2000 kN·m/kg, and a weight of about 5 to about 10 kg/m2. ### Claim 12 (depends on 11) The aerial lift system of claim 11, wherein the ballistic material comprises a composite made from unidirectional fibers positioned between layers of resin; a woven fabric; ultra-high molecular weight polyethylene, fiberglass, an aromatic polyamide, an aromatic polyester, a thermoset liquid-crystalline polyoxazole, high modulus polypropylene, or nylon. ### Claim 13 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material comprises a composite made from unidirectional fibers positioned between layers of resin. ### Claim 14 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material comprises a woven fabric. ### Claim 15 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material comprises ultra-high molecular weight polyethylene, fiberglass, an aromatic polyamide, an aromatic polyester, a thermoset liquid-crystalline polyoxazole, high modulus polypropylene, or nylon. ### Claim 16 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material comprises ultra-high molecular weight polyethylene. ### Claim 17 (depends on 1) The aerial lift system of claim 1, wherein the ballistic material comprises a water-resistant gel coating on its exterior surface. ### Claim 18 (depends on 1) The aerial lift system of claim 1, wherein the aerial lift device comprises a work platform selected from the group consisting of a bucket, or a basket. ### Claim 19 (depends on 1) The aerial lift system of claim 1, wherein the work platform is adapted for being secured to an electric or hydraulic lift system of a lift vehicle. ### Claim 20 (depends on 1) The aerial lift system of claim 1, wherein the aerial lift device, the liner and the ballistic material are comprised of an electrical insulator.