Patent ID: 6510723
Filing Date: 2003-01-28
Classification: B25B

Abstract:
In a portable, hydraulically functioning pressing tool (0) for pressing coupling elements with a fork-like receiver (3) and with a clamping pincer (4) held in the receiver (3) and activated by a piston cylinder unit (20) with an integrated restoring spring (25), wherein a pressure bearing on the piston cylinder unit (20) is produced by a hydraulic pump (18) driven by an electric motor (10), and wherein the hydraulic pump (18) is arranged in a hydraulic block arranged between a drive-side gear (13) and the piston cylinder unit (20), the improvement comprising:the hydraulic pump (18) being a gear pump with rotor shafts (19) mounted on one side in a bearing housing (15) of a gear output shaft (16) and on an other side in a housing (21) of the piston cylinder unit (20), and a plurality of hydraulic pressure conduits formed as bores in a hydraulic block (17) in which the rotor shafts (19) of the gear pump (18) and a valve unit (31) are arranged.