Patent ID: 6923272
Filing Date: 2005-08-02
Classification: B25F,Y10S

Abstract:
1. A pneumatic power tool, comprising: a housing, a motor, a pressure air inlet passage and an exhaust air outlet passage both located in the housing and communicating with the motor, and an outlet deflector movably mounted on the housing for directing the exhaust air flow leaving said outlet passage in any desired direction, wherein said deflector comprises a shell body with an inlet opening located in a substantially co-axial relationship with said outlet passage, an outlet opening facing a direction substantially perpendicular to said inlet opening, and a concave guide surface arranged to divert the exhaust air flow from said inlet opening to said outlet opening, and wherein at least two parallel flow dividing vanes extend in parallel with and without affecting the flow direction through said shell body, and said flow dividing vanes form a main flow passage and at least two auxiliary flow passages which are parallel to but narrower than said main flow passage.