ELECTRIC CONSTRUCTION MACHINE
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United States of America Patent
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N/A
Issued Date -
Mar 28, 2013
app pub date -
Jun 6, 2011
filing date -
Jun 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electric construction machine that enables quick and easy replacement of the battery device with different types of battery devices is provided. An upper swing structure has a vehicle main body and a vehicle rear part. The battery device is mounted on the vehicle rear part and the vehicle rear part is attachable and detachable to/from a vehicle body frame of the vehicle main body using a bolt. A main frame overhangs and extends in a longitudinal direction to reach the underside of the vehicle rear part. The vehicle rear part also includes a rear frame to be mounted on the main frame and is fixed with the bolt and a rear cover covering the rear frame forming a battery compartment, and having a shape imitating a counter weight.
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