Quick coupler
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United States of America Patent
Stats
-
Feb 27, 2018
Grant Date -
Mar 9, 2017
app pub date -
Jun 23, 2015
filing date -
Jun 26, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A quick coupler includes a coupler body having a first hook, a lock member, a slidable second hook, a hydraulic cylinder, and a connecting pin connecting the cylinder and coupler body. The lock member is movable between locking and unlocking positions in which the lock member protrudes into and retracts from an opening of the first hook. The cylinder includes first and second end portions connected to the coupler body and the second hook, respectively. The cylinder extends and contracts to cause the second hook to slide away from and towards the first hook, respectively. The coupler body includes a support hole moveably supporting the connecting pin in an extension and contraction direction of the cylinder. The first end portion of the cylinder moves away from the second end portion within a movability range of the connecting pin to move the lock member from the unlocking to locking position.
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