Adjustable hydraulic jack with a slider locking structure
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United States of America Patent
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Nov 22, 2016
Grant Date -
Jun 25, 2015
app pub date -
Jul 14, 2014
filing date -
Dec 23, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An adjustable hydraulic jack with a slider locking structure that includes a chassis, hydraulic assembly, boom assembly, and handle lever. The boom assembly includes a bracket, a fore arm, and a rear arm. The bracket includes a pull handle, left and right bracket side-plates, and a bracket-fixing pin. The bracket is connected to one end of the fore arm, the other end of the fore arm is connected to one end of the rear arm, and the other end of the rear arm is connected to the chassis. The left and right bracket side-plates have left and right side-plate sockets on their respective bottoms; the fore arm has left and right sliding chutes and a spring-loaded fixing pin fixed on its upper end. A slider locking device is arranged between the bracket and the fore arm, and includes left and right sliders, a spring and at least one pin shaft.
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