- Patent Title: Construction machine, particularly road milling machine, and method for controlling the stroke position of a piston-cylinder unit of a lifting column of a construction machine
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Application No.: US17309839Application Date: 2019-12-17
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Publication No.: US11772445B2Publication Date: 2023-10-03
- Inventor: Joachim Ponstein
- Applicant: BOMAG GMBH
- Applicant Address: DE Boppard
- Assignee: BOMAG GMBH
- Current Assignee: BOMAG GMBH
- Current Assignee Address: DE Boppard
- Agency: Grossman, Tucker, Perreault & Pfleger, PLLC
- Priority: DE 2018010153.4 2018.12.28
- International Application: PCT/EP2019/000342 2019.12.17
- International Announcement: WO2020/135921A 2020.07.02
- Date entered country: 2021-06-23
- Main IPC: B60G17/015
- IPC: B60G17/015 ; E01C23/088 ; E01C23/12

Abstract:
A construction machine, in particular a road milling machine, comprising a machine frame, a traveling mechanism with front and rear traveling devices with at least one pair of front traveling devices and/or one pair of rear traveling devices, at least one pair of the front or rear traveling devices being connected to the machine frame via lifting columns each having a hydraulically adjustable piston-cylinder unit, a drive device for driving the hydraulically adjustable piston-cylinder unit of the lifting columns separately from one another, and a control device configured to control the lifting adjustment of the lifting columns by means of the hydraulically adjustable piston-cylinder units, and to a method for controlling the lifting position of a piston-cylinder unit of a lifting column of a construction machine, in particular a construction machine according to the invention.
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