An electronic tool for copying a plurality of settings from a first mechanical tool to a second mechanical tool comprises: a smart device having a processor, and having a non-transitory memory storing program instructions executable on the processor. The program instructions are configured, when executed on the processor, to: read the plurality of settings from the first mechanical tool; and write the plurality of settings to the second mechanical tool.

A surface marked threaded fastener comprising an elongated and threaded shaft and a head at one end of the elongated and threaded shaft; said head comprising on a surface contacting face a readable matrix comprising a dot pattern, said dot pattern defining a tightening specification.

A control device is provided with a communication unit and a processing unit. The communication unit makes communication with a tool that is used for the work of fastening a fastener (for example, a screw) and with an image pickup unit for capturing an image of the work site where the work is being performed. The processing unit executes a determination process of determining whether or not the work is being performed normally on the basis of the fastening torque applied to the fastener by the tool and the image captured by the image pickup unit.

The present invention relates to torque application tools, such as an electronic torque screwdriver, with a multiple axis gyroscope (such as a 3-axis gyroscope or other type of gyroscope) and torque sensor that allows for simultaneous or sequential measurement of torque and angle around the axis of the tool. Targets for torque and angle measurements may be used to create algorithms to detect breakaway torque, residual torque, or to perform error proofing to ensure unique fasteners are tightened.

The present invention relates to torque application tools, such as a torque screwdriver and ratchet tools, with one or more light indicators disposed in a ring shape around the tool. The light indicators are adapted to indicate amounts of torque values and/or angle values as the tool is used to tighten or install a work piece. For example, the light indicators may flash at a first flashing rate, when about 40% of a target torque or angle value is applied; flash at a second flashing rate (greater or faster than the first flashing rate) when about 60% of the target torque or angle value is applied; and illuminate at a solid state when about 80% of the target torque or angle value is applied.

A calibration system includes a housing, a drive shaft within the housing, a load application apparatus operatively connected to the drive shaft to apply a force to the drive shaft, and a plurality of housing transducers operatively connected to the drive shaft to measure at least one of an in-line torque or a prevailing torque of the drive shaft. A method for calibrating a tool includes generating at least one of a pass or fail output from a processing unit based on whether a variance between a prevailing torque from a tool transducer and a prevailing torque from an external tool is within a predetermined variance threshold. A method for measuring prevailing torque in a tool includes determining whether a prevailing torque value is within a predetermined prevailing torque range and adjusting a shut-off threshold torque based on the prevailing torque.

A method performed by a monitoring node associated with a tool communication network of monitoring energy flow in a tightening tool connected to the communication network includes receiving, from the tightening tool, parameter values relating to current fed (I) into the tightening tool, angle () of a rotor in the tightening tool and torque (T) applied to a joint by the tightening tool. The method also includes calculating energy input to the tightening tool based on the received parameter values, calculating energy transferred to the joint by the tightening tool based on the received parameter values relating to the torque applied to the joint by the tightening tool and the angle () of the rotor in the tightening tool. The method further includes detecting that the calculated energy input deviates from the calculated energy transferred to the joint by more than a predetermined value.

An electric pulse tool for performing tightening operations, where torque is delivered in pulses to tighten a screw joint, includes an output shaft, a sensor arranged to determine a parameter value associated with the tightening of the screw joint, a processor, and a memory containing instructions executable by the processor. The electrical pulse tool operates to provide torque pulses on the output shaft in a first direction until the determined parameter value associated with the tightening of the screw joint reaches within or above a predetermined first interval including a target parameter value. The electrical pulse tool also operates to provide at least one torque pulse on the output shaft in a second direction that is opposite to the first direction in case the determined parameter value exceeds the target parameter value within a predetermined second interval.

A torque wrench provided with illumination structure and indicated graduations includes a tubular body bored with an insert hole and an illumination hole. The tubular body is provided therein with a graduated ring having its outer circumferential wall provided with a graduation marked portion, with an interval kept between the graduation marked portion and the inner tube wall of the tubular body. A lens is disposed at a location corresponding to the insert hole, and a light-emitting element is installed at a location corresponding to the illumination hole. Thus, light emitted by the light-emitting element will first illuminate the graduation marked portion and thereafter the reflected light of the graduation marked portion will pass through the insert hole and pass out the lens, enabling a user to clearly read the graduation marked portion.

A torque wrench includes a body and a measuring device. The body includes a head portion and a rod portion. An end of the rod portion is connected with the head portion. The measuring device includes a strain gauge seat and a strain gauge. The strain gauge seat is arranged in the rod portion and is provided with a first recess and a deformation portion adjacent to the first recess. The strain gauge is connected to the deformation portion, thereby obtaining a precise torque value.