公开(公告)号：US12098060B1

公开(公告)日：2024-09-24

申请号：US18614420

申请日：2024-03-22

申请人： Roadtek Enterprises Inc.

发明人： Dustin Nielson ,  Maggie Hu

IPC分类号： B66F3/42 ,  F15B13/02

CPC分类号： B66F3/42 ,  F15B13/024 ,  F15B2211/30505 ,  F15B2211/50518 ,  F15B2211/55 ,  Y10T137/87185

摘要： Hydraulic jack assemblies are disclosed herein. The hydraulic jack assemblies may include a hydraulic unit base that includes a plurality of pump pistons to output hydraulic fluids with different characteristics that can be selectively used based on load conditions. The hydraulic jack assemblies may additionally or alternatively include a hydraulic fluid release valve that may be opened by an electrically powered driver.