US Patent 7788962 Hydraulic tool

A hand-held hydraulic tool including a hydraulic drive system comprising a pump; and a user control system for at least partially controlling operation of the hydraulic tool. The user control system includes a first user control at a first location having a first pump activation control switch and a first hydraulic drive system drain control switch, and a second user control at a second location having a second pump activation control switch and a second hydraulic drive system drain control switch. The hydraulic tool is adapted to be controlled by a user at either of the first or the second locations.