Patent ID: 9492912
Filing Date: 2016-11-15
CPC Classification: B25B

Claim Text:
1. A hydraulic wrench power head comprising a longitudinal axis extending along the center line of the power head, a cylinder, a port stem component located completely on top of the cylinder, said port stem component having a port stem base section located cylinder, a port stem section extending up from the port stem base section, and a port block connected to hydraulic hose couplers, said power head having a forward connecting component and a rear connecting receptacle, the forward connecting component and the rear connecting receptacle being located said longitudinal axis of the power head; and an interchangeable link cartridge drives drive, separate and independent from the power head for insertion into the power head and separable for removal from the power head, said cartridge drive having a longitudinal axis, a forward latch, a rear reaction pin, and an internal channel bounded by sidewalls sized to receive said power head, whereby upon insertion of the cartridge drive into the power head, the reaction pin of the cartridge drive engages the connecting receptacle of the power head and the forward connecting component of the power head attaches to the forward latch of the cartridge drive within internal channel, thereby forming a single, integral hydraulic torque wrench unit with the longitudinal axis of the power head being parallel to and aligned with the longitudinal axis of the cartridge drive and the torque line of the unit extending through the center line of the power head and rear reaction pin of the cartridge drive.