A tool is provided that includes unitary plate that includes a blade portion and a tang portion. The blade portion can include an edge. The tang portion can include a positioning hole, a first hole, a slot, a second hole, a rivet hole, and one or more teeth (also referred to as one or more barbs) on a side of the tang portion. The tool can further include a hilt member which includes a through passage, a tab, and a notch. The tool includes an overlay on a body to create a handle for gripping the tool. The tool further includes a hammerhead cap on an end of the body, the hammerhead cap is coupled to the handle with a rivet through the rivet hole.

A toothbrush with a front-push replaceable brush head includes a handle portion, a handle front section connected to the handle portion and having a supporting platform, a front-push mechanism including a pulling arm pivotally attached to the handle portion and push and locking plates stacked together penetrating the handle front section, the pulling arm driving the push and locking plates to move; a brush head replaceably installed on the supporting platform, the locking plate locked onto the brush head and handle front section; the pulling arm is pulled and rotated to move the locking and push plates toward the brush head and to release the locking plate, handle front section and brush head from locking while the push plate pushing the brush head away from the supporting platform. Therefore, the release of locking and disengagement of the brush head are achieved simultaneously to facilitate operations of the toothbrush.

A toothbrush with a front-push replaceable brush head includes a handle portion, a handle front section connected to the handle portion and having a supporting platform, a front-push mechanism including a pulling arm pivotally attached to the handle portion and push and locking plates stacked together penetrating the handle front section, the pulling arm driving the push and locking plates to move; a brush head replaceably installed on the supporting platform, the locking plate locked onto the brush head and handle front section; the pulling arm is pulled and rotated to move the locking and push plates toward the brush head and to release the locking plate, handle front section and brush head from locking while the push plate pushing the brush head away from the supporting platform. Therefore, the release of locking and disengagement of the brush head are achieved simultaneously to facilitate operations of the toothbrush.

Provided is a tool that includes a handle assembly including a top portion and a bottom portion. The tool also includes a lock plate disposed between the top and bottom portions and having a deflectable arm having a free end biased towards the top portion, a fixed end opposite the free end, an inner edge, an outer edge, and a detent near the free end and the inner edge. The tool additionally includes a blade having first and second ends, an indent in a bottom surface of the blade near the first end for engaging the detent in a closed position, and a ramp on the bottom surface near the indent defining a reduced thickness portion of the blade that reduces in thickness from the indent towards an edge of the blade to reduce contact between the detent and the blade during rotation of the blade.

Provided is a tool that includes a handle assembly including a top portion and a bottom portion. The tool also includes a lock plate disposed between the top and bottom portions and having a deflectable arm having a free end biased towards the top portion, a fixed end opposite the free end, an inner edge, an outer edge, and a detent near the free end and the inner edge. The tool additionally includes a blade having first and second ends, an indent in a bottom surface of the blade near the first end for engaging the detent in a closed position, and a ramp on the bottom surface near the indent defining a reduced thickness portion of the blade that reduces in thickness from the indent towards an edge of the blade to reduce contact between the detent and the blade during rotation of the blade.

A hand tool with an interchangeable tool head comprising a lever and one or more tool heads that are removably engageable with the lever. The lever includes a slot that is configured to receive the insertion end of a tool head. The tool heads comprise hook arms that are elastically deformable. The tool heads are equipped with flanges that abut circumferential edges of the slot. The lever and tool heads are further equipped with support rods that fit into a support slot.

A hand tool with an interchangeable tool head comprising a lever and one or more tool heads that are removably engageable with the lever. The lever includes a slot that is configured to receive the insertion end of a tool head. The tool heads comprise hook arms that are elastically deformable. The tool heads are equipped with flanges that abut circumferential edges of the slot. The lever and tool heads are further equipped with support rods that fit into a support slot.

A striking tool has a vibration damper in the form of a vibration damping core located between a top end of the hand and a head thereof, and an overstrike assembly in the form of an overstrike sleeve located over the core below the head.

A striking tool has a vibration damper in the form of a vibration damping core located between a top end of the hand and a head thereof, and an overstrike assembly in the form of an overstrike sleeve located over the core below the head.

A portable tool having an elongate frame with a front-to-rear lengthwise axis. The portable tool is configured to be held in a starting orientation, wherein the lengthwise axis of the frame extends substantially horizontally, with a user's hands separately engaging the portable tool at a first region and a second region forwardly of the first region. The portable tool has: a) a gripping assembly at the second region; and b) an engaging structure at the first region and including a handle with a gripping length that extends along a gripping line. The handle is connected to the frame and configured so that with the portable tool in the starting orientation and the handle in a first position: i) the handle gripping line makes an angle of no more than 15 with a horizontal reference plane containing the lengthwise axis of the elongate frame; and ii) a space is formed between the gripping length and the elongate frame to accommodate fingers on the user's one hand with the user's one hand grasping the gripping length.