US 12,460,372 B2
Working machine
Yuki Takano, Sakai (JP); Tsutomu Aizawa, Sakai (JP); and Tetsuji Matsushita, Sakai (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Sep. 28, 2021, as Appl. No. 17/487,768.
Application 17/487,768 is a continuation of application No. PCT/JP2019/050913, filed on Dec. 25, 2019.
Claims priority of application No. 2019-066394 (JP), filed on Mar. 29, 2019; application No. 2019-066396 (JP), filed on Mar. 29, 2019; and application No. 2019-066399 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0018089 A1, Jan. 20, 2022
Int. Cl. E02F 3/36 (2006.01); E02F 3/38 (2006.01); E02F 3/43 (2006.01)
CPC E02F 3/3663 (2013.01) [E02F 3/384 (2013.01); E02F 3/431 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A working machine comprising:
a machine body;
a traveling device travelably supporting the machine body;
a hydraulic driving device to hydraulically drive the traveling device;
a floor frame supported on the machine body via a mounting member;
an operator's seat on which an operator sits,
a pedal operable to brake the traveling device,
an inching valve to change a flow rate of hydraulic fluid supplied to the hydraulic driving device according to operation of the pedal; and
a cable operably connecting the pedal to the inching valve, wherein
the floor frame:
includes a bottom wall having attached thereto a seat base to which the operator's seat is attached, and a floor part provided forward of the bottom wall and the operator's seat; and
is configured such that the bottom wall is located downward of the floor part;
the floor part includes an inspection opening in a portion of the floor part that is located forward of the seat base, and an openable cover to close the inspection opening;
the working machine further comprises:
an attachment bracket fixed directly to an upper surface of a front portion of the bottom wall at a position below the inspection opening and a rear portion of the openable cover; and
a valve bracket attached to the attachment bracket:
the valve bracket includes:
a valve attachment portion to which the inching valve is attached and which is located below the front portion of the bottom wall; and
a bracket attachment portion which extends upward from the valve attachment portion and which includes an upper portion extending through an area forward of the bottom wall to reach an area higher than the bottom wall and being attached to the attachment bracket by one or more bolts;
the inching valve is attached to the valve attachment portion to be attached to the bottom wall such that the inching valve is disposed below the front portion of the bottom wall; and
the pedal is attached to the floor frame.