US 12,305,509 B2
Work machine with leader
Michael Sonderegger, Tschagguns (AT)
Assigned to LIEBHERR-WERK NENZING GMBH, Nenzing (AT)
Filed by Liebherr-Werk Nenzing GmbH, Nenzing (AT)
Filed on Jul. 28, 2023, as Appl. No. 18/361,623.
Claims priority of application No. 20 2022 104 322.1 (DE), filed on Jul. 29, 2022.
Prior Publication US 2024/0035340 A1, Feb. 1, 2024
Int. Cl. E21B 7/02 (2006.01); E02F 5/20 (2006.01); E21B 7/20 (2006.01)
CPC E21B 7/023 (2013.01) [E02F 5/20 (2013.01); E21B 7/20 (2013.01)] 11 Claims
OG exemplary drawing
 
1. Work machine, comprising a mobile undercarriage, an upper carriage, a leader mounted on the upper carriage, and a removable attachment, wherein the leader is pivotably mounted on the upper carriage by means of a leader kinematic system and wherein the removable attachment can be mounted in an operating position on a front side of the leader facing away from the upper carriage,
wherein
the removable attachment is detachable from the front side of the leader and the leader comprises receiving means by which the removable attachment can be mounted for transport on a rear side of the leader facing the upper carriage or laterally on the leader in a transport position; and
the removable attachment is arranged in the transport position at the rear of the leader between the leader and the ground and in front of the upper carriage in a direction of travel.