# US 8,540,253 B2 · Industrial truck comprising a pair of wheel arms > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,540,253 B2 - Document ID: US8540253B2 - Status: Granted - Kind: B2 - Application number: 13/367,974 - Filed: 2012-02-07 - Published: 2013-02-14 - Granted: 2013-09-24 - Earliest claimed: 2011-02-08 - Assignees: Jungheinrich Aktiengesellschaft - Applicants: Olaf Rath; Oliver Göpner; Matthias Röder - Inventors: Olaf Rath; Oliver Göpner; Matthias Röder - Web page: https://patentgrep.com/patent/US8540253B2 ## CPC - B66F 9/07586: {Suspension or mounting of wheels on chassis} - 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 industrial truck comprising a pair of wheel arms, which at their free end in each case comprise a wheel arm end, each of which comprising a bearing body and a pair of load wheels, the load wheels in each case being rotatably mounted on a rocker, and the rocker being pivotably mounted on the bearing body in a region located between the load wheels, the bearing body comprising a bearing projection on which the rocker is mounted such that the rocker laterally defines the wheel arm end. ## Claims ### Claim 1 An industrial truck comprising a pair of wheel arms (30), which at a free end in each case comprise a wheel arm end (10), each of which comprising a bearing body (11) and a pair of load wheels (36, 38), the load wheels (36, 38) in each case being rotatably mounted on a rocker (34), and the rocker (34) being pivotably mounted on the bearing body (11) in a region located between the load wheels (36, 38), characterised in that the bearing body (11) comprises a bearing projection (24) on which the rocker (34) is mounted such that the rocker laterally defines the wheel arm end (10). ### Claim 2 (depends on 1) The industrial truck according to claim 1, characterised in that the bearing body (11) comprises two opposing side walls (14), transversely to a longitudinal direction of the wheel arm (30), the bearing projection (24) being arranged such that the side walls (14) are arranged in each case above the rocker (34). ### Claim 3 (depends on 2) The industrial truck according to claim 2, characterised in that the outer face of the side walls (14) is substantially aligned with the outer face of the rocker (34). ### Claim 4 (depends on 2) The industrial truck according to claim 2, characterised in that the side walls (14) form a stop (A) for the rocker (34). ### Claim 5 (depends on 2) The industrial truck according to claim 2, characterised in that the side walls (14) partially cover the load wheels (36, 38) to the side. ### Claim 6 (depends on 1) The industrial truck according to claim 1, characterised in that the bearing body (11) has a substantially rectangular shape, the bearing body (11) comprising a base plate (12) with a connecting wall (18) facing towards the wheel arm (30) and two lateral side walls (14), between which the bearing projection (24) is arranged on the base plate (12). ### Claim 7 (depends on 6) The industrial truck according to claim 6, characterised in that the bearing projection (24) protrudes beyond the side walls (14). ### Claim 8 (depends on 6) The industrial truck according to claim 6, characterised in that the side walls (14) have in each case a curved contour (22). ### Claim 9 (depends on 1) The industrial truck according to claim 1, characterised in that the rocker (34) comprises two arms (35), between which the load wheels (36, 38) are arranged. ### Claim 10 (depends on 9) The industrial truck according to claim 9, characterised in that the bearing projection (24) is arranged between the arms (35) of the rocker. ### Claim 11 (depends on 1) The industrial truck according to claim 1, characterised in that the bearing body (11) at an end facing away from the wheel arm has a front wall (16) and in the longitudinal direction a curved contour (46), such that the transition from the base plate (12) to the front wall (16) on a side facing away from the load wheels (36, 38) has an arcuate path. ### Claim 12 (depends on 11) The industrial truck according to claim 11, characterized in that the front wall (16) has a smaller wall thickness than the base plate (12). ### Claim 13 (depends on 11) The industrial truck according to claim 11, characterized in that the front wall (16) tapers to the side relative to the longitudinal direction of the wheel arms (30) towards a free end (50) of the front wall. ### Claim 14 An industrial truck comprising: a pair of wheel arms, each of which at a free ends comprise a wheel arm end, each wheel arm end comprising a bearing body and a pair of load wheels, the load wheels each being rotatably mounted on a rocker, and the rocker being pivotably mounted on the bearing body, in a region located between the load wheels, wherein the bearing body comprises a bearing projection on which the rocker is mounted such that the rocker laterally defines the wheel arm end.