Cam crank mechanism and motor driven hydraulic tool
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United States of America Patent
Stats
-
Mar 23, 1993
Issued Date -
N/A
app pub date -
Mar 17, 1992
filing date -
Mar 31, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A motor driven hydraulic tool including a portable battery is preferably employable for a cable laying operation. To displace a movable die toward and away from a stationary die, a piston is driven by pressurized hydraulic oil fed from a hydraulic pump section. The hydraulic pump section is operatively connected to a driving mechanism including a motor via a cam link mechanism. A plunger of the cam link mechanism includes a ring-shaped fitting portion which has an eccentric shaft fitted therein to rotate freely. The eccentric shaft is made integral with the rotational shaft of a motor for the driving mechanism.
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