A cutting head for a power tool. The cutting head includes a first jaw having a first blade mounting surface and a second jaw having a second blade mounting surface. The second jaw is rotatably coupled to the first jaw. The cutting head also includes a first blade removably coupled to the first blade mounting surface of the first jaw and a second blade removably coupled to the second blade mounting surface of the second jaw. A first cutting edge of the first blade is substantially co-planar with a second cutting edge of the second blade. During a cutting action, the first jaw and the second jaw rotate with respect to one another to bring the first cutting edge closer to the second cutting edge.

A cutting apparatus for trimming an article, the apparatus has a manually grasped power element with a reciprocating arm having a removably engagable rotatable couple including a selectable rotational index position lock. Also included is a cutting head assembly that is removable and rotationally indexable relative to the power element, the cutting head having a pair of reciprocating cutting blades for trimming the article. Wherein operationally, the reciprocating arm drives the cutting blades that have reciprocating movement with the cutting head selectably rotatable to the power element, user wrist fatigue is reduced, also with the cutting head being removable from the power element, the cutting head assembly is easier to clean.

A cutting apparatus for trimming an article, the apparatus has a manually grasped power element with a reciprocating arm having a removably engagable rotatable couple including a selectable rotational index position lock. Also included is a cutting head assembly that is removable and rotationally indexable relative to the power element, the cutting head having a pair of reciprocating cutting blades for trimming the article. Wherein operationally, the reciprocating arm drives the cutting blades that have reciprocating movement with the cutting head selectably rotatable to the power element, user wrist fatigue is reduced, also with the cutting head being removable from the power element, the cutting head assembly is easier to clean.

A power tool includes a housing including a support portion, a cutting unit, and a driving device configured to drive the cutting unit, where the cutting unit moves between a first position and a second position relative to the support portion under the action of the driving device. The cutting unit implements a blade lifting motion under the action of the driving device: the cutting unit moves from the first position to the second position. The blade lifting motion includes a first mode and a second mode; in the first mode, a time for the cutting unit to implement the blade lifting motion is a first blade lifting time; and in the second mode, a time for the cutting unit to implement the blade lifting motion is a second blade lifting time; where the first blade lifting time is less than the second blade lifting time.

A power tool includes a housing including a support portion, a cutting unit, and a driving device configured to drive the cutting unit, where the cutting unit moves between a first position and a second position relative to the support portion under the action of the driving device. The cutting unit implements a blade lifting motion under the action of the driving device: the cutting unit moves from the first position to the second position. The blade lifting motion includes a first mode and a second mode; in the first mode, a time for the cutting unit to implement the blade lifting motion is a first blade lifting time; and in the second mode, a time for the cutting unit to implement the blade lifting motion is a second blade lifting time; where the first blade lifting time is less than the second blade lifting time.

A tool is provided, the tool including a handle, a tool head, a first gear, a compound gear, a shaft, and an actuating member coupled to the shaft. The handle extends along a longitudinal direction. The tool head is configured to receive a motive force to selectively engage or disengage the tool head. The first gear is operably coupled to the tool head. The compound gear is selectively coupled to the first gear. The shaft extends through the compound gear and is affixed to the shaft. The actuating member is coupled to the handle. Movement of the actuating member along the longitudinal direction selectively engages or disengages the compound gear and the first gear.

A tool is provided, the tool including a handle, a tool head, a first gear, a compound gear, a shaft, and an actuating member coupled to the shaft. The handle extends along a longitudinal direction. The tool head is configured to receive a motive force to selectively engage or disengage the tool head. The first gear is operably coupled to the tool head. The compound gear is selectively coupled to the first gear. The shaft extends through the compound gear and is affixed to the shaft. The actuating member is coupled to the handle. Movement of the actuating member along the longitudinal direction selectively engages or disengages the compound gear and the first gear.

Shear tools are described. In one version, the shear tools include a pair of pivotally movable jaws positioned between sideplates. Various shearing dies are also described. Also described are systems and related methods utilizing the shear tools and dies which enable convenient shearing or severing of workpieces such as threaded rods.

Shear tools are described. In one version, the shear tools include a pair of pivotally movable jaws positioned between sideplates. Various shearing dies are also described. Also described are systems and related methods utilizing the shear tools and dies which enable convenient shearing or severing of workpieces such as threaded rods.

A garden shears has an anvil portion, a driving arm, a blade portion and a plurality of pivot shafts. The anvil portion sandwiched an anvil, and the anvil portion and the driving arm are pivoted together by a pivot shaft. A gear and the blade portion are disposed between the driving arm. The blade portion has a straight groove and a rack portion. A pivot shaft is used to pivot the gear and the driving together is engaged and another pivot shaft passes through the straight groove and the driving arm with the pivot shaft capable of sliding in the straight groove and the gear being engaged with the rack portion to achieve the effect of a stable speed.