B25D2222/57

STRIKING IMPLEMENT CAP
20220143799 · 2022-05-12 ·

A striking cap that may include a distal end configured to strike a foreign object. The striking cap may also include a proximal end opposite the distal end. The proximal end may include a protruding ring, where the protruding ring forms a cavity. The cavity may be configured to enable the striking cap to be attached to a striking implement. The proximal medial edge of the protruding ring may include a beveled surface.

Impact damping device for a rechargeable battery

A power tool, in particular a chipping hammer, having a housing and a battery interface device for releasably connecting at least one rechargeable battery to the power tool. An impact damping device is contained between the housing and the battery interface device, wherein the impact damping device contains at least one damping element which is arranged in a longitudinal extent perpendicularly to a working axis of the power tool.

Multi-Stroke Powered Safety Hammer System

A multi-stroke powered safety hammer including a cylinder having an end, the cylinder mounted to and extending outwardly from a body to the end, and an impact piston disposed within the cylinder for axial reciprocating movement, the impact piston having a striking surface at a front end thereof. The hammer further includes a mount connected releasably over the end of the cylinder and is configured to receive and releasably secure a base of a tool for reciprocating movement, the base including an end having an impact surface. The end of the cylinder is configured to receive the end of the base for reciprocating movement in confronting relation of the impact surface to the striking surface when the base is received and releasably secured by the mount for reciprocating movement.

HYDRAULIC PERCUSSION APPARATUS EQUIPPED WITH A SEALING DEVICE
20210339371 · 2021-11-04 ·

This hydraulic percussion apparatus, includes a guide body; a striking piston which is slidably mounted inside the guide body; a sealing device which is mounted in an annular retaining groove provided on the guide body so as to produce a sealing between a first fluid passage and a second fluid passage. The sealing device comprises includes an inner sealing ring including an inner sealing portion provided with a sealing lip sealingly cooperating with the striking piston, an annular protection portion which is internally delimited by a converging protection surface converging towards the sealing lip, an annular groove which is disposed between the sealing lip and the converging protection surface, and a balancing channel comprising first and second ends opening respectively into the annular groove and into an outer surface of the annular protection portion.

Cushion device of pneumatic tool
11813727 · 2023-11-14 · ·

A cushion device of a pneumatic tool has a body, a cushion, and a piston assembly. The body includes a containing portion which has a bottom surface. The cushion is mounted in the containing portion of the body, is formed cylindrical, and has an axial direction, two end surfaces, an interior, an exterior, and at least one passage. The two end surfaces are separately located along the axial direction, and one of the two end surfaces abuts against the bottom surface of the containing portion. The at least one passage is disposed on the cushion, and communicates with the interior and the exterior. The piston assembly is movably mounted to the containing portion of the body and has a base and a cylinder. The base has an abutting portion abutting against the other one of the two end surfaces of the cushion. The cylinder is connected with the base.

POWER TOOL HAVING HAMMER MECHANISM
20220266434 · 2022-08-25 · ·

A power tool having a hammer mechanism comprises a tool body, a motor, a handle, at least one biasing member, and at least one elastic member. The handle is connected to the tool body to be movable in at least a front-rear direction. The handle includes a cover part covering a portion of the tool body, and a grip part connected to the cover part. The at least one biasing member is disposed between the tool body and the handle and biases the tool body and the handle away from each other in the front-rear direction. The at least one elastic member is disposed between the tool body and the cover part of the handle such that the at least one elastic member is movable relative to the tool body and the handle and is shear-deformable in response to a relative movement of the tool body and the handle.

POWER TOOL HAVING HAMMER MECHANISM
20220241950 · 2022-08-04 · ·

A power tool having a hammer mechanism includes a tool body defining the driving axis, a motor housed in the tool body, an elongate handle connected to the tool body in a cantilever manner and extending in a direction intersecting the driving axis, and at least one biasing member disposed between the tool body and the handle. The motor has a motor shaft that is rotatable around an axis parallel to the driving axis. The handle includes a first end portion connected to the tool body to be pivotable around a pivot axis relative to the tool body, a free end, and a grip part disposed between the first end portion and a free end of the handle. The at least one biasing member is configured to pivotally bias the tool body and the handle such that the grip part and the tool body move away from each other.

Striking implement cap
11370097 · 2022-06-28 · ·

A striking cap that may include a distal end configured to strike a foreign object. The striking cap may also include a proximal end opposite the distal end. The proximal end may include a protruding ring, where the protruding ring forms a cavity. The cavity may be configured to enable the striking cap to be attached to a striking implement. The proximal medial edge of the protruding ring may include a beveled surface.

SIDE HANDLE ASSEMBLY FOR POWER TOOL
20220281091 · 2022-09-08 ·

The present disclosure provides a side handle assembly for a power tool. The side handle assembly includes a clamp configured to secure the side handle assembly to the power tool, the clamp coaxially aligned with a working axis of the power tool, and a handle coupled to the clamp. The handle includes a base coupled to the clamp, a first grip portion coupled to the base, a second grip portion coupled to the base and movable relative to the first grip portion in a direction parallel to the working axis, and a damping element located between the first grip portion and the second grip portion to attenuate vibration from the power tool along the working axis.

STRIKING TOOL
20220250225 · 2022-08-11 · ·

An objective is to provide a technique to securely protect the striking tool even when the striking tool inadvertently falls down. A striking tool including a rotating shaft relatively rotatably connect a main body with a handle, a first elastic member reducing transmitting of vibration from the main body to the handle in a case that the handle relatively rotates to the main body, wherein the handle includes a battery mounting portion to which battery to drive the motor is attachable and the handle is arranged to relatively move to the main body across the rotating shaft, and an adjuster such that the relative movement amount of the handle to the main body in a predetermined direction is adjusted to be larger than the relative movement amount in a direction other than the predetermined direction.