Title:
SWIVELING WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/100663
Kind Code:
A1
Abstract:
The present invention achieves compatibility between ensuring a placement position for a battery unit (90) and the balance of the center of gravity of equipment provided on a swivel base (2). A swiveling work machine (1) comprises: a swivel base (2); a work device (20) provided on the front side of the swivel base (2); a battery unit (90); an electric motor (91) driven by electric power output from the battery unit (90); and a hydraulic pump (P) for discharging hydraulic oil by the driving of the electric motor (91). The battery unit (90) is disposed in the rear of the swivel base (2). The electric motor (91) and the hydraulic pump (P) are disposed side by side in the longitudinal direction laterally of the battery unit (90).
Inventors:
KUNIZAWA TERUO (JP)
ITO JUNKI (JP)
ARAKI YOSHIAKI (JP)
TAKAKI TAKAHIRO (JP)
TAKAKI GO (JP)
KISHIMOTO AKIHIRO (JP)
ITO JUNKI (JP)
ARAKI YOSHIAKI (JP)
TAKAKI TAKAHIRO (JP)
TAKAKI GO (JP)
KISHIMOTO AKIHIRO (JP)
Application Number:
PCT/JP2020/042647
Publication Date:
May 27, 2021
Filing Date:
November 16, 2020
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
E02F9/00; B60K1/04; E02F9/08; E02F9/16; E02F9/20; E02F9/26; F01P3/22; F01P5/02; F01P7/04; F01P11/10; H02J7/00
Foreign References:
| JP2019127751A | 2019-08-01 | |||
| JP2018193670A | 2018-12-06 | |||
| JP2009220811A | 2009-10-01 | |||
| JP2000130161A | 2000-05-09 | |||
| JP2014237943A | 2014-12-18 | |||
| JP2019070311A | 2019-05-09 | |||
| JP5778752B2 | 2015-09-16 | |||
| JP2007321463A | 2007-12-13 | |||
| JP2011089369A | 2011-05-06 |
Other References:
See also references of EP 4063570A4
Attorney, Agent or Firm:
YASUDA & OKAMOTO PATENT ATTORNEYS (JP)
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