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US 12,584,289 B2Granted
Construction machine
AssigneeYanmar Holdings Co., Ltd.
InventorsKiyoshi Yonekura, Kohei Okazaki
Life of this patent
Estimating the term…
Abstract
This construction machine includes a lower traveling body; an upper swiveling body; and a rotary coupling member that swivels, together with the upper swiveling body, with respect to the lower traveling body. The rotary coupling member has a swivel joint; a rotary joint that includes a slip ring; a cable; a coupling part; and a detent part that is fixed to the body of the swivel joint and that restricts the rotation of a terminal part of the slip ring.
Claims12
A construction machine comprising:
- a lower traveling body;
- an upper swiveling body;
- and
- a rotary coupling member configured to swivel together with the upper swiveling body with respect to the lower traveling body,
- wherein the rotary coupling member includes:
- a swivel joint having a body and a shaft, the body having a through hole, and the shaft being disposed at the through hole of the body, rotatable with respect to the body, and provided with a communication hole;
- a rotary joint including a rotor element, a stator element, and a terminal part disposed in the stator element, the rotor element being configured to rotate together with the shaft;
- a cable that extends through the communication hole of the shaft and is electrically connected to the terminal part;
- a coupling part coupled with at least one of the rotor element and the shaft;
- and
- a detent part that is fixed to the body and is configured to restrict rotation of the terminal part of the rotary joint.
8 more elements
Dependencies are inferred from the claim text.