公开(公告)号：US11879230B2

公开(公告)日：2024-01-23

申请号：US17613145

申请日：2020-06-18

Applicant: KOMATSU LTD.

Inventor： Masayoshi Nomoto ,  Makoto Sasaki ,  Hiroaki Tanaka ,  Takeshi Ikeda

IPC: B62D33/06 ,  B62D25/04 ,  B62D27/02 ,  E02F9/16 ,  B62D25/06

CPC classification number: E02F9/163 ,  B62D25/04 ,  B62D25/06 ,  B62D27/023

Abstract: A cab includes: a pillar member; a beam member; and a rib member. The pillar member extends in an up-down direction. The beam member extends in a left-right direction. The beam member is connected to an upper end of the pillar member. The rib member is provided at a corner portion where the pillar member and the beam member intersect with each other. The rib member is connected to the pillar member and the beam member. The rib member is embedded in at least one of the pillar member and the beam member.

公开(公告)号：US12037768B2

公开(公告)日：2024-07-16

申请号：US17613153

申请日：2020-06-18

Applicant: KOMATSU LTD.

Inventor： Masayoshi Nomoto ,  Makoto Sasaki ,  Hiroaki Tanaka ,  Takeshi Ikeda

IPC: E02F9/16 ,  E02F9/12

CPC classification number: E02F9/163 ,  E02F9/121

Abstract: A hydraulic excavator as a work vehicle includes: a revolving frame; and a cab. The cab includes: a floor member that faces the revolving frame, with a gap therebetween; a support base provided on the floor member and supporting an operator's seat; a pillar member connected to a left end of the floor member; and a reinforcing member connected to the pillar member and the support base. The hydraulic excavator further includes a restriction member provided in the gap and protruding from the floor member toward the revolving frame. The restriction member has a protrusion length shorter than a length of the gap in an up-down direction, and is provided below the support base.

公开(公告)号：US11692330B2

公开(公告)日：2023-07-04

申请号：US17260327

申请日：2019-05-10

Applicant: KOMATSU LTD.

Inventor： Makoto Sasaki ,  Hiroaki Tanaka ,  Masayoshi Nomoto

IPC: E02F9/16 ,  B62D33/06 ,  E02F3/36 ,  E02F3/32

CPC classification number: E02F9/163 ,  B62D33/0617 ,  E02F3/3695 ,  E02F3/32

Abstract: The front pillar disposed on the second side face of the cab is located behind the front pillar disposed on the first side face of the cab. The boom mounting bracket and the front pillar overlap each other in a side view.