A chainsaw including a body including a bar stud extending therefrom; a guide bar including a bar stud slot that receives the bar stud, wherein the bar stud slot has a length, and wherein the guide bar is configured to receive a chain; a yoke having a groove defining a length extending in a direction angularly offset from the length of the bar stud slot of the guide bar, wherein the yoke is coupled to the guide bar; a ratchet gear including a one-way motion feature and a post extending into the groove of the yoke, wherein rotating the ratchet gear in a first direction moves the guide bar to tighten the chain, and wherein rotating the ratchet gear in a second direction moves the guide bar to loosen the chain; and a pawl selectively engaged with the one-way motion feature of the ratchet gear.

An electric chainsaw comprises: a first handle having a forwardly and rearwardly extending grip portion provided on a rear or upper portion of a housing housing an electric motor and configured to be gripped by one hand of a worker, the grip portion being provided with a trigger switch for activating the electric motor; a second handle having a laterally extending grip portion provided forward of the grip portion of the first handle and configured to be gripped by the other hand of the worker; an indicator lamp for indicating a remaining charge amount of a battery pack; and a push-button type indicator switch for causing the indicator lamp to indicate the remaining charge amount, wherein the indicator switch is provided at a position where the worker can operate the indicator switch by a finger of the other hand being gripping the grip portion of the second handle.

An electric chainsaw comprises: a first handle having a forwardly and rearwardly extending grip portion provided on a rear or upper portion of a housing housing an electric motor and configured to be gripped by one hand of a worker, the grip portion being provided with a trigger switch for activating the electric motor; a second handle having a laterally extending grip portion provided forward of the grip portion of the first handle and configured to be gripped by the other hand of the worker; an indicator lamp for indicating a remaining charge amount of a battery pack; and a push-button type indicator switch for causing the indicator lamp to indicate the remaining charge amount, wherein the indicator switch is provided at a position where the worker can operate the indicator switch by a finger of the other hand being gripping the grip portion of the second handle.

A lubrication system for a chainsaw, the lubrication system including a reservoir housing a lubricant; a fluid conduit extending between the reservoir and a location adjacent to a chain of the chainsaw; a pump configured to move lubricant from the reservoir to the location adjacent to the chain; and a valve disposed along the fluid conduit, the valve having a lubricant inlet that receives lubricant from the reservoir, an air inlet, and an outlet that provides lubricant to the location adjacent to the chain, wherein the valve is movable between an open position whereby lubricant passes from the lubricant inlet to the outlet and a closed position whereby the outlet is in fluid communication with the air inlet, and wherein the valve moves between the open and closed positions in response to a user input.

A lubrication system for a chainsaw, the lubrication system including a reservoir housing a lubricant; a fluid conduit extending between the reservoir and a location adjacent to a chain of the chainsaw; a pump configured to move lubricant from the reservoir to the location adjacent to the chain; and a valve disposed along the fluid conduit, the valve having a lubricant inlet that receives lubricant from the reservoir, an air inlet, and an outlet that provides lubricant to the location adjacent to the chain, wherein the valve is movable between an open position whereby lubricant passes from the lubricant inlet to the outlet and a closed position whereby the outlet is in fluid communication with the air inlet, and wherein the valve moves between the open and closed positions in response to a user input.

A machine tool separating device, in particular a handheld machine separating device, includes at least one cutting strand and at least one guide unit. The cutting strand, viewed along a direction running at least substantially perpendicular to a cutting plane of the cutting strand, has a maximum dimension less than 4 mm.

A machine tool separating device, in particular a handheld machine separating device, includes at least one cutting strand and at least one guide unit. The cutting strand, viewed along a direction running at least substantially perpendicular to a cutting plane of the cutting strand, has a maximum dimension less than 4 mm.

A machine tool separating device, in particular a manual machine tool separating device, includes at least one cutting train that comprises at least one cutter-support element and at least one connecting element that is integrally formed with the cutter-support element. The cutter-support element has at least one transverse securing element that is configured to secure the cutter-support element against a transverse movement relative to another cutter-support element of the cutting train to the greatest extent possible in the assembled state.

A machine tool separating device, in particular a manual machine tool separating device, includes at least one cutting train that comprises at least one cutter-support element and at least one connecting element that is integrally formed with the cutter-support element. The cutter-support element has at least one transverse securing element that is configured to secure the cutter-support element against a transverse movement relative to another cutter-support element of the cutting train to the greatest extent possible in the assembled state.

A power cutting tool includes at least one cutting strand, and at least one guide unit that is configured to guide the cutting strand. The power cutting tool further includes at least one coding unit which has at least one coding element that is configured to encode at least one coupling interface of the guide unit.