Abstract: Crimping pliers are configured to crimp cable lugs onto electrical conductors. The crimping pliers includes first and second crimping jaws pivotally connected together, a first crimping matrix mounted for rotation on the first crimping jaw, a second crimping matrix mounted for rotation on the second crimping jaw, each crimping jaw having a plurality of different first crimping dies formed therein, and interlocks provided on the crimping jaws. The interlocks are configured to lock one of the crimping dies on each crimping jaw into a working position.

Abstract: A handheld hydraulically actuatable crimping device includes a hydraulic piston that can be displaced in a cylinder against the force of a spring. The piston is connected to a crimping part by a piston rod in order to carry out a crimping operation. The piston includes first and second partial pistons with first and second partial application faces which can be acted upon with hydraulic medium that has the same hydraulic pressure. Both partial pistons are respectively connected to a first and a second crimping part. The second crimping part can at a greater traveling distance only be acted upon with the second partial piston. The second crimping part can be acted upon with both partial pistons over a first partial traveling distance that is defined by the displacement of the first partial piston from its initial position up to the point, at which it reaches a stop. The first crimping part is axially covered in its entirety by the second crimping part.

Abstract: The disclosure relates to crimping pliers configured to crimp cable lugs onto electrical conductors. The crimping pliers includes two crimping jaws which can be swiveled towards one another. In each crimping jaw, a crimping matrix configured with a plurality of different crimping dies over a circumference is rotatably mounted with respect to an axis of rotation. The crimping matrices are permanently coupled to each other via the gearing independently of a swivel position of the crimping jaws.

Abstract: A portable tool having a working head that is actuated by an electric motor and/or a hydraulic medium and has a working part. The working part is displaceable in a displacement direction and the working head is rotatable together with the working part in the circumferential direction with respect to the displacement direction. The working head is rotatable together with the working part hydraulically and by the motor. The working head has a segment mounted therein, the segment having a largest extension in the circumferential direction by a first angular amount, and that the rotation of the working head and the working part takes place in the circumferential direction by a second angular amount, wherein values of the first and the second angular amounts are different. Moreover, a method for operating a portable tool is provided using first and second hydraulic pistons.

Abstract: A working tool has a working head and a body device. In an embodiment, an electric motor having a drive shaft with a longitudinal axis, and a transmission are connected to each other and are in the body device. In an embodiment, the working head is a hydraulic cylinder with a hydraulic piston that can be moved between extended and retracted positions in a direction of travel. A hydraulic medium pump and a drive for the hydraulic medium are provided in the body device. In an embodiment, the transmission is connected to the electric motor so as to be movable in the direction of the longitudinal axis in such a way that it is limited by a limit stop. In an embodiment, the hydraulic cylinder is attached to the body device so as to be movable in the direction of travel that it is limited by a limit stop.

Abstract: A motorized manually operated pressing tool, in particular a crimping tool, with a fixed holding part, in which at least one pressing jaw is pivotably mounted about a pivot axis. The pressing jaw forms a working area and an impingement region extending in the longitudinal direction of the pressing jaw. In order to carry out a pressing operation the impingement region can be acted upon with an impinging part that is movable relative to the impingement region. The impinging part is movable in the longitudinal direction of the impingement region by exertion of manual force and by a motor.

Abstract: A cutting device includes a mounting head, cutting tools and a bracing element. Each tool has a cutting edge having a recess with a substantially semi-circular contour for accommodating a portion of a workpiece. An engaging protrusion extends into each recess and has a foot circumferential angular range from 20 to 90 degrees. The engaging protrusions project into the recess by ? to 9/10 of its radius. The bracing element extends from one tool and has a surface for supporting the workpiece.

Abstract: An assembly includes a first punching jaw, a second punching jaw pivotally connected to the first punching jaw, a punching stamp provided on one of the punching jaws and a punching opening provided on the other of the punching jaws, and a handheld apparatus connected to the jaws. When said handheld apparatus is actuated, the first ends of the jaws move toward each other to effect a punching process.

Abstract: A device and method for operating a motor-actuated working device is provided. A certain working operation requires a rise in an applied force to a certain working force. The device enables a rise in the force to a general working force that exceeds the certain working force and an apparatus is provided for monitoring the device value. For the certain working operation, an evaluation is performed to detect the characteristic change and that the attainment of the characteristic change is used as a signal for ending the certain working operation after the certain working force has been attained but before the general working force has been attained.

Abstract: A combination of a portable, manually operable motor-driven hand-held tool, such as in particular a cutting or pressing device, and a glove is provided. The hand-held tool has an actuation element, and a user can use the hand-held tool by the glove, wherein the hand-held tool has a sensor configured detect the glove, that the hand-held tool is configured in such a way that a user can only actuate the hand-held tool if the detection of the glove guided to the actuation element has led to a predetermined result, that the sensor is assigned to a handle area of the hand-held tool, and that the distance, at which the glove has to be in order to be detected as being present, is set in such a way that it can be ruled out that the device can be operated with a glove located next to it.

Abstract: The invention relates to a hydraulically actuated piston (9) guided in a cylinder (8), and to a hydraulic working tool (1) having a working head (2), wherein the piston (9) has an impact surface (15) which borders an impact space (16) on the piston side provided between the piston (9) and the cylinder (8), and wherein hydraulic fluid (17) can act on the impact surface (15) by increasing the impact space (16) in order to move the piston (9) in an impact direction (r), and the piston (9) forms a limiting device (25) for a through-flow of the hydraulic fluid (17).

Abstract: A motorized manually operated pressing tool, in particular a crimping tool, with a fixed holding part, in which at least one pressing jaw is pivotably mounted about a pivot axis. The pressing jaw forms a working area and an impingement region extending in the longitudinal direction of the pressing jaw. In order to carry out a pressing operation the impingement region can be acted upon with an impinging part that is movable relative to the impingement region. The impinging part is movable in the longitudinal direction of the impingement region by exertion of manual force and by a motor.

Abstract: A method of operating a hydraulically or electric motor operated tool includes providing a device shaft having electrical contacts; providing an accumulator having an adapter comprising a wall thereon; latching the adapter to the device shaft by a latching part; and engaging a tool with the latching part thereby detaching the adapter from the device shaft, whereupon during engagement of the tool with the latching part, the wall of the adapter is destroyed. When the device shaft and adapter are engaged, walls of the device shaft and adapter form an internal cavity and the latching part is positioned entirely therewithin such that the latching part is completely hidden from view. A hydraulically or electric motor operated tool is also disclosed.

Abstract: A method for operating a hydraulically operated hand-held device is provided. The hand-held device includes a hydraulic pump, a moving part, a fixed part and a return valve with an associated valve seat. The moving part can be displaced into a working position by a build-up of hydraulic pressure produced by filling a hydraulic chamber with hydraulic medium from a storage chamber using the hydraulic pump. The moving part can be automatically moved back from the working position into an end position by opening the return valve, if a predetermined working pressure is reached. The hydraulic pressure acting upon the return valve for triggering a movement of the moving part into the end position is increased independently of reaching the predefined working pressure.

Abstract: The invention relates first to a device for applying a pressing force, comprising two pressing jaws (25, 26) which can be moved linearly relative to each other via a hydraulic piston-cylinder assembly (8). Additionally, an actuation cone (13) is provided for an expanding device (36), said cone carrying out a forward and rearward movement depending on an actuation of the hydraulic piston-cylinder assembly (8). In order to advantageously develop the device, the actuation cone (13) is connected to the hydraulic piston (9) of the hydraulic piston-cylinder assembly (8) for the forward and rearward movement. The invention further relates to a device for applying a pressing force, comprising two pressing jaws which can be moved linearly relative to each other and which can be held in receiving areas and to a pair of pressing jaws.

Abstract: Punch jaws are provided and are configured to punch holes and/or recesses in parts made of sheet metal. The punch jaws include first and second jaws pivotally connected to each other around a pivoting axis to pivot in a pivoting plane. A work region is formed by a punch ram on the first pivoting jaw and a punch opening on the second pivoting jaw. The punch ram carries a punch sleeve having a punch edge on its circumference. The punch sleeve moves in a side view, in which the pivoting axis is punctiform, along a circular line, a center point of which is formed by the pivoting axis, during its pivoting motion. The punch sleeve is introduced into the punch opening in a side view initially penetrates the punch opening with a front region the punch edge referred to the pivoting direction. The front region is in this side view formed on the side of the pivoting axis of the circular line with respect to a pivoting circle, along which the punch sleeve moves.

Abstract: A motorized manually operated pressing tool, in particular a crimping tool, with a fixed holding part, in which at least one pressing jaw is pivotably mounted about a pivot axis. The pressing jaw forms a working area and an impingement region extending in the longitudinal direction of the pressing jaw. In order to carry out a pressing operation the impingement region can be acted upon with an impinging part that is movable relative to the impingement region. The impinging part is movable in the longitudinal direction of the impingement region by exertion of manual force and by a motor.

Abstract: The disclosure relates to crimping pliers configured to crimp cable lugs onto electrical conductors. The crimping pliers includes two crimping jaws which can be swivelled towards one another. In each crimping jaw, a crimping matrix configured with a plurality of different crimping dies over a circumference is rotatably mounted with respect to an axis of rotation. The crimping matrices are permanently coupled to each other via the gearing independently of a swivel position of the crimping jaws.

Abstract: A hand expansion device is capable of expanding pipe ends. The device includes an expanding head, which can be actuated by an electric motor and/or by a hydraulic medium and which has a plurality of segments. The segments can be actuated by an expanding mandrel that can be moved in the direction of a longitudinal axis of the expanding head. The segments are expanded in a direction which is transverse to the movement direction of the expanding mandrel as the result of a first triggering of an expansion process. A second activation of the hand expansion device is only allowed if it is determined that the hand expansion device was rotated around the longitudinal axis a predetermined angle.