Importance

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Abstract

A combustion-type power tool includes a housing, a cylinder head, a cylinder, a push lever, a piston, a combustion-chamber frame, and an urging member. The cylinder head is disposed at a first end of the housing. The cylinder is disposed in and fixed to the housing. The cylinder has an inner space. The push lever is disposed at a second end of the housing. The piston is slidably disposed in the cylinder and is reciprocally movable in an axial direction. The combustion-chamber frame is disposed in the housing and provides a combustion chamber in cooperation with the cylinder head and the piston. The urging member has one end attached to the piston and another end attached to an axial end of the cylinder, thereby urging the piston in a direction from the second end toward the first end.

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First Claim