Title:
クレーン
Document Type and Number:
Japanese Patent JP7447939
Kind Code:
B2
Abstract:
This crane comprises: a travel body that has a travel motor; a turning body that is provided above the travel body and has an upper device; a transmission member that is provided between the travel body and the turning body; and a power source that is provided to the travel body and that supplies electric power to both the travel motor and the upper device. The transmission member includes: a swivel joint unit that constitutes a flow path for a fluid to be supplied from the travel body to the turning body; a weak-electric-system slip ring unit that constitutes a transmission path for a signal to be transmitted from the travel body to the turning body; and a strong-electric-system slip ring unit that constitutes a cable way for electric power to be supplied from the power source to the upper device.
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Inventors:
Takashi Kawano
Akihiko Terada
Shota Nakamatsu
Naoki Ishihara
Akihiko Terada
Shota Nakamatsu
Naoki Ishihara
Application Number:
JP2022102117A
Publication Date:
March 12, 2024
Filing Date:
June 24, 2022
Export Citation:
Assignee:
Tadano Co., Ltd.
International Classes:
B66C13/22; B66C13/12; B66C23/36
Domestic Patent References:
| JP2014046997A | ||||
| JP6063660U | ||||
| JP2022039774A | ||||
| JP2010065423A |
Foreign References:
| CN209024088U |
Attorney, Agent or Firm:
Patent Attorney Corporation Washida International Patent Office
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