A reaction arm mounting assembly comprises a first part and a second part, the first part being configured for attachment to a power tool and the second part is mounted on the first part. The mounting of the second part on the first part: permits sliding motion between the first and second part along an axis common to the first and second parts in a first sliding region and prevents rotation between the first and second member in the first sliding region; and permits rotation between the first and second members in a second sliding region.

An armorer's wrench can include an elongate wrench body having an implement end structured and configured to define a plurality of wrench interfaces, and a handle end opposite the implement end being structured and configured to define a handle shape with a molded grip. The plurality of wrench interfaces can include at least one of a barrel nut wrench and a castle nut wrench, and the handle end can be devoid of wrench interfaces. The armorer's wrench can further include a plurality of hammer heads, hammer head storage, and a hammer head receiver. The handle end may be structured and configured to provide the hammer head storage, and the implement end may be structured and configured to provide the hammer head receiver. Each of the plurality of hammer heads may be structured and configured to securely and releasably attach to the hammer head receiver and to the handle end.

An armorer's wrench can include an elongate wrench body having an implement end structured and configured to define a plurality of wrench interfaces, and a handle end opposite the implement end being structured and configured to define a handle shape with a molded grip. The plurality of wrench interfaces can include at least one of a barrel nut wrench and a castle nut wrench, and the handle end can be devoid of wrench interfaces. The armorer's wrench can further include a plurality of hammer heads, hammer head storage, and a hammer head receiver. The handle end may be structured and configured to provide the hammer head storage, and the implement end may be structured and configured to provide the hammer head receiver. Each of the plurality of hammer heads may be structured and configured to securely and releasably attach to the hammer head receiver and to the handle end.

An oil drain combination for a brake contains: a wrench and a draining assembly. The wrench is a ratchet wrench. The draining assembly is connected in the wrench and includes a coupling shaft, a fitting member, a first joining tube, and a fixing member. The fitting member is rotatably accommodated in a drive head of the wrench. An axial line of the fixing member extends from the first segment of the fixing member to a second segment of the fixing member and insects with a central line of the coupling shaft perpendicularly. The first joining tube has an accommodation orifice and an axial orifice. The coupling shaft has a blind orifice and multiple radial orifices. The fixing member has a first connection hole communicating with a second connection hole.

An oil drain combination for a brake contains: a wrench and a draining assembly. The wrench is a ratchet wrench. The draining assembly is connected in the wrench and includes a coupling shaft, a fitting member, a first joining tube, and a fixing member. The fitting member is rotatably accommodated in a drive head of the wrench. An axial line of the fixing member extends from the first segment of the fixing member to a second segment of the fixing member and insects with a central line of the coupling shaft perpendicularly. The first joining tube has an accommodation orifice and an axial orifice. The coupling shaft has a blind orifice and multiple radial orifices. The fixing member has a first connection hole communicating with a second connection hole.

A first base station receives from a second base station, a handover request message comprising traffic pattern parameters of a wireless device. The traffic pattern parameters comprise a first traffic periodicity, a first timing offset, and a first message size. A handover request acknowledge message indicating at least one periodic resource configuration parameter determined based on the first traffic periodicity is sent to the second base station. A random access preamble associated with a handover of the wireless device is received from the wireless device. The first base station determines a resource block assignment based on the first message size. A control command is transmitted to the wireless device. The control command indicates: activation of radio resources associated with the at least one periodic resource configuration parameter; and the resource block assignment.

A fastening tool includes a gear train and a socket. The gear train rotates as the fastening tool moves between a non-operated position and an operated position. The socket receives a fastener at a first end of the fastener. The socket is rotatably supported to the gear assembly so that the socket rotates as the gear assembly rotates.

The invention aims to provide a rotation tool enabling work without obstructing a view of an operator and facilitating fine-adjustment for the tool. A rotation tool includes a flexible shaft including a tool portion at one end and a grip portion at the other end; and a cylindrical exterior body including curved portion on at least a part thereof, wherein a spiral protrusion is formed on at least a part of the shaft and a spiral groove is formed on at least a part of the curved portion, and the shaft is configured to be movable inside the exterior body by screwing the spiral protrusion and the spiral groove to each other.

A driving shank assembly includes a tube, a drive head, a connector, and two quick release nuts. The tube has two enlarged portions each having a mounting recess and an external thread. Each of the enlarged portions has a plurality of slits and a plurality of elastic clamping pieces between the slits. The drive head has a driving recess and a mounting shaft. The mounting shaft of the drive head is inserted into the mounting recess of the tube. The connector has a mounting shaft and a connecting shank. The mounting shaft of the connector is inserted into the mounting recess of the tube. The connecting shank of the connector has a retaining groove for mounting an actuating tool. Each of the quick release nuts has an internal thread screwed onto the external thread of the tube.

Disclosed is a disassembling tool for a secondary battery. The disassembling tool includes a first rotation member configured to be rotatable and to allow a nut to be coupled thereto; a connection shaft coupled to the first rotation member; a second rotation member coupled to the connection shaft to transmit a rotational force to the connection shaft; and a housing, in which the connection shaft is disposed. The housing is inclined with respect to a virtual horizontal line parallel to a ground surface.