Working machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12123166
SERIAL NO

17487742

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A working machine includes a rear machine body on which an operator's seat is mounted, a front machine body to which a working tool is attached, a center shaft having a first axis extending in a fore-and-aft direction, a first supporting part supporting the center shaft rotatably relative to the rear machine body around the first axis, a coupling shaft having a second axis extending in a vertical direction and connected to the front machine body, and a second supporting part supporting the center shaft rotatably relative to the coupling shaft relative to the second axis. The first supporting part includes a first spherical plain bearing, and the first spherical plain bearing includes a first inner wheel including a convex curved sliding surface and provided on an outer circumferential surface of the center shaft, and a first outer wheel including a concave curved sliding surface and provided on the rear machine body.

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Patent Owner(s)

Patent OwnerAddress
KUBOTA CORPORATIONOSAKA-SHI OSAKA 556-8601

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiba, Yukiya Sakai, JP 1 1
Iwamoto, Teruhiko Sakai, JP 10 138
Matsushita, Tetsuji Sakai, JP 4 5
Ono, Hitoshi Sakai, JP 77 1187
Suzuki, Kunihiro Sakai, JP 39 625

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