Patent ID: 6979254

Claim:
An orbital sander comprising a housing, a compressed air motor in said housing, a pad support secured to said motor, first and second elongated rows of spaced plastic columns located on opposite sides of said motor and located between said housing and said pad support, a shaft in said motor, a rotor mounted on said shaft, a compressed air duct in said motor for conducting compressed air to said rotor, an eccentric housing mounted on said shaft, a chamber in said eccentric housing, at least one bearing in said chamber, said pad support being secured to said eccentric housing, said first and second rows of spaced plastic columns having lower ends proximate said pad support and have higher ends proximate said housing, first bar members located at said lower ends of each of said first and second rows of plastic columns, second bar members located at said upper ends of each of said first and second rows of plastic columns, and means in said motor for conducting compressed air to said chamber.