A tool for use with a hammer driver having a pin-accepting socket for driving a ground rod into the ground includes a body having two opposite side faces and at least one ground rod-accepting passageway extending between the two side faces. The tool also includes a guide pin which is joined to so as to extend from one of the side faces of the body and an elongated socket portion having first and second opposite ends and having a hollow interior which opens out of a first end of the socket portion. In addition, the socket portion is secured to the other side face of the body by way of the second end so that the first end extends away from the other side face of the body, and the guide pin and the elongated socket portion are axially-aligned with one another.

An example hammer disclosed herein includes a handle. The hammer also includes a head comprising a neck. The neck has a tapered receiving surface and an end face. The hammer further includes a cap comprising a tapered mounting surface. The mounting surface is surrounding and engaging the receiving surface to permanently affix the cap to the neck. A first circumference of engagement at a first end of a length of engagement between the mounting surface and the receiving surface is greater than a second circumference of engagement at a second end of the length of engagement. The first end is farther from the end face of the neck than the second end.

[Object]

The object of the disclosure is to provide a structuring technique which contributes to the rationalization of dispositioning parts and operability with respect to a striking tool in which usual operation is defined as a striking operation to the downward in a state that the striking tool is downwardly dropped by the own weight of the striking tool.

[Embodiment to Achieve the Object]

A striking tool 100 in which striking operation is done in a state that the striking tool 100 is downwardly dropped by the own weight, having a motor 210 with an output shaft to drive the drive mechanism, a controller 260 to control the motor 210, a functional member 280 to assist the striking operation and a controller case 270 to hold the controller 260, wherein the controller case 270 further holds the functional member 280.

A structuring technique contributes to the rationalization of dispositioning parts and operability with respect to a striking tool wherein usual operation is defined as a striking operation to the downward in a state that the striking tool is downwardly dropped by the own weight of the striking tool. A striking tool is held by a pair of handles by both hands while striking operation takes place when the striking tool drops downwardly by the own weight, a drive mechanism drives an end tool in a first direction and motor, wherein the output shaft of the motor extends in a third direction defined as a thickness direction to cross the first direction and the second direction, and a battery mounting portion is disposed at the side region of the main housing in the second direction, wherein a battery to supply electricity to the motor is mounted to the battery mounting portion.

A body of an impact unit, an impact unit and a method of forming a body of an impact unit is disclosed. The body can be an elongated hollow piece including at least two body parts. The body parts are arranged successively in an axial direction of the body and are connected to each other by axial connecting joints. The connecting joints include several slanted fastening screws for connecting the body parts together.

A blade mounting device allows a blade of a pushing cut tool that cuts a workpiece by pushing a cutting edge forward to be mounted on an impact tool. This blade mounting device has a blade mounting portion for mounting the blade on the blade mounting device and a tool mounting portion secured to the blade mounting portion in order to mount the blade mounting device on the impact tool. The blade mounting portion has a front end portion where an inverted tapered hole complementary to an inclined shape surface formed on a tang of the blade is formed. The tool mounting portion is provided with a through hole perpendicular to the center axis and a center hole that reaches a through hole from a front side end surface of the tool mounting portion along the center axis.

A hammer tool includes a head and a handle tightly coupled to the head. The head defines a through hole and a hole connected to the through hole. The hole extends transversely to the through hole. The through hole is of a first width and the hole is of a width greater than the first width. The handle includes a connecting end inserted through the through hole. The connecting end is extruded after inserting through the through hole to include at least one positioning protrusion protruding into the hole. The connecting end is of a second width at where the at least one positioning protrusion is disposed. The second width is greater than the first width.

Striking tools are disclosed that include a handle and a head. Striking surfaces may be securely attached to the head. In this way, lighter weight striking tools may be made with greater durability.

A hydraulic hammer assembly is provided. The hydraulic hammer assembly includes a housing and a piston is arranged for reciprocating movement along a longitudinal axis within the housing. A head disposed along the longitudinal axis on an end of the housing and defines a chamber for holding a pressurized gas. The hydraulic hammer assembly further includes a locking mechanism to lock the head on the housing. The locking mechanism includes at least one first flange extending radially from the end of the housing and at least one second flange extending radially from the head, wherein the head is retained on the housing by blocking axial movement of the second flange against the first flange when in a locked position.

An impact tool comprises: a casing; a rotating hammer arranged in the casing and rotatable by a motor; a rotating interface element arranged in the casing and rotatable by the hammer by a series of impacts; an output shaft rotating around a rotation axis, the output shaft having a proximal end fixed to the interface element and a distal end protruding from the casing, the distal end ending with a connecting element for removable connection to an outer mechanical adaptor; a unit of measurement arranged for obtaining torque of the output shaft by a torque sensor mounted to the output shaft, the unit of measurement comprising a fixed measuring assembly mounted integrally to the casing and a rotating measuring assembly mounted so as to rotate integrally with the rotating output shaft; the fixed measuring assembly being configured to generate a supply signal and transmit the supply signal to the rotating measuring assembly to supply electrically the rotating measuring assembly; the rotating measuring assembly being configured to detect a measuring signal indicating the torque and condition the measuring signal in order to be able to send the measuring signal to the fixed measuring assembly; in which the fixed measuring assembly and the rotating measuring assembly comprise electronic devices that execute a two-directional communication in contactless mode by magnetic coupling between the fixed measuring assembly and the rotating measuring assembly, the communication being configured to supply magnetically the torque sensor and permit transmission of the measuring signal conditioned by the rotating measuring assembly to the fixed measuring assembly.