Abstract: A motorized hand tool such as a cordless ratchet wrench is configured for reducing assembly and disassembly processes. The motorized hand tool includes a motor end plate that may be fastened to a drive member such as a ratchet head assembly without the use of fasteners or assembly tooling such as presses, fixtures or hammers. A flange on the motor end plate can pass through a keyway in a periphery of the ratchet head assembly and may be then be rotated out of the keyway and into a peripheral slot of the ratchet head assembly. A rib protruding inwardly from a clamshell housing portion of the tool closes the keyway to prevent the flange on the motor end plate from rotating back into the keyway.

Abstract: A motorized hand tool such as a cordless ratchet wrench is configured for reducing assembly and disassembly processes. The motorized hand tool includes a motor end plate that may be fastened to a drive member such as a ratchet head assembly without the use of fasteners or assembly tooling such as presses, fixtures or hammers. A flange on the motor end plate can pass through a keyway in a periphery of the ratchet head assembly and may be then be rotated out of the keyway and into a peripheral slot of the ratchet head assembly. A rib protruding inwardly from a clamshell housing portion of the tool closes the keyway to prevent the flange on the motor end plate from rotating back into the keyway.

Abstract: A pneumatic tool has a housing with an external surface and defining a plurality of cavities therein to hold components of the pneumatic tool. The housing defines a motor cavity wherein a pneumatic motor is disposed. Two spaced-apart vents extend from the motor cavity to the external surface of the housing, and a muffler is mounted adjacent to one vent. A tubular sleeve, which includes a radially extended discharge portion from which exhaust may escape, is mounted on the external surface of the housing and cooperates with it to define an annular exhaust passageway. The sleeve is rotatable between muffled and unmuffled positions wherein the discharge portion is respectively adjacent to the one vent or the other.

Abstract: A pneumatic tool has a housing with an external surface and defining a plurality of cavities therein to hold components of the pneumatic tool. The housing defines a motor cavity wherein a pneumatic motor is disposed. Two spaced-apart vents extend from the motor cavity to the external surface of the housing, and a muffler is mounted adjacent to one vent. A tubular sleeve, which includes a radially extended discharge portion from which exhaust may escape, is mounted on the external surface of the housing and cooperates with it to define an annular exhaust passageway. The sleeve is rotatable between muffled and unmuffled positions wherein the discharge portion is respectively adjacent to the one vent or the other.