Patent ID: 8935948
Filing Date: 2015-01-20
Classification: B21J

Abstract:
1. An electrically and hydraulically powered rivet setting and crimping hand power tool comprising, a hydraulic piston body having front and rear ends, the front end being a hydraulic piston, the rear end being a reciprocating piston pump housing, a work engaging cylinder surrounding and slidably engaging the hydraulic piston of the hydraulic piston body, a reciprocating piston pump being concentrically and longitudinally disposed within the rear end housing of the hydraulic piston body and having a pump small piston, having a front portion and having a cam follower flange disposed at the rear of the hydraulic piston body, a drive cam being perpendicularly positioned adjacent to the rear of the hydraulic piston body and having an offset cam lobe disposed to engage the cam follower flange of the pump small piston with the offset cam lobe arranged to reciprocate the pump small piston longitudinally respectively and responsively to the rotation of the drive cam, and an electric motor in mechanical communication with the drive cam wherein the drive cam rotates responsively to the activation of the electric motor.