Patent ID: 6042339
Filing Date: 2000-03-28
Classification: F04D

Abstract:
The fan assembly comprising:a rotor end casing having a slot;a blade having an opening;an arm comprising:a body member,a flange formed on the body member and extending in the slot of the casing to mount the arm to the casing, andan externally threaded post extending from the body member and through the opening of the blade;an internally threaded cap threadedly engaging the post to secure the blade to the arm;at least one additional blade having an opening;at least one additional arm comprising:a body member,a flange formed on the latter body member and extending in the slot of the casing to mount the additional arm to the casing, andan externally threaded post extending from the latter body member and through the opening of the additional blade; andan internally threaded cap threadedly engaging the latter post to secure the additional blade to the additional arm.