US 11,993,915 B2
Operator's cab and work vehicle
Hideaki Miyamoto, Tokyo (JP); Makoto Sasaki, Tokyo (JP); Hiroaki Tanaka, Tokyo (JP); and Norihiro Iwahashi, Tokyo (JP)
Assigned to KOMATSU LTD., Tokyo (JP)
Appl. No. 17/310,916
Filed by KOMATSU LTD., Tokyo (JP)
PCT Filed Feb. 26, 2020, PCT No. PCT/JP2020/007636
§ 371(c)(1), (2) Date Aug. 31, 2021,
PCT Pub. No. WO2020/179566, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 2019-037958 (JP), filed on Mar. 1, 2019.
Prior Publication US 2022/0136209 A1, May 5, 2022
Int. Cl. B60N 2/75 (2018.01); E02F 9/16 (2006.01); E02F 9/20 (2006.01)
CPC E02F 9/166 (2013.01) [B60N 2/75 (2018.02); E02F 9/2004 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An operator's cab comprising:
an operator's seat provided on a floor surface;
an operation portion provided laterally to the operator's seat, the operation portion being operated at least toward the operator's seat; and
an armrest including an upper surface, the armrest being provided laterally to the operator's seat in rear of the operation portion, wherein
a front portion of the upper surface is larger in width than a rear portion of the upper surface,
the front portion of the upper surface includes an inclined portion,
with the floor surface being defined as a reference, the inclined portion decreases in height toward the operator's seat,
the front portion of the upper surface further includes a horizontal portion provided opposite to the operator's seat with the inclined portion lying between the horizontal portion and the operator's seat in a lateral direction and connected to the inclined portion, and
in a cross-section of the armrest cut at a plane orthogonal to a fore/aft direction, the inclined portion forms an angle α (5°≤α≤30°) with respect to a horizontal which is extension of the horizontal portion.