Title:
ELECTRIC CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/183959
Kind Code:
A1
Abstract:
Provided is an electric hydraulic excavator (1) comprising: a lower travelling body (2) capable of self-propelling; and an upper turning body (3) turnably mounted on the lower travelling body (2). The upper turning body (3) is constituted by including: a turning frame (5) constituting a base; a counter weight (13) provided on a rear side of the turning frame (5); and a power source (9) positioned on a front side of the counter weight (13), mounted on the turning frame (5), and receives electricity supply from an outside electric power source. The counter weight (13) is provided with a cable insertion hole (16), and an electricity supply cable (12) connecting between the outside electric power source and the power source (9) is inserted into the cable insertion hole (16).
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Inventors:
KIHARA SEIICHI (JP)
TAKAHASHI KIWAMU (JP)
ISHII TAKESHI (JP)
TAKAHASHI KIWAMU (JP)
ISHII TAKESHI (JP)
Application Number:
PCT/JP2020/003164
Publication Date:
September 17, 2020
Filing Date:
January 29, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD (JP)
International Classes:
E02F9/00
Foreign References:
| JP2008184789A | 2008-08-14 | |||
| JP2006161306A | 2006-06-22 | |||
| JP2014181513A | 2014-09-29 | |||
| JPS6175794A | 1986-04-18 | |||
| US6315500B1 | 2001-11-13 | |||
| JP2010065445A | 2010-03-25 |
Other References:
See also references of EP 3940149A4
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
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