Patent ID: 6230723
Filing Date: 2001-05-15
Classification: A45B

Abstract:
An umbrella with fan assembly comprising:an umbrella assembly; anda fan assembly located beneath a fabric canopy of said umbrella assembly;said umbrella assembly including a tubular vertical support tube having battery compartment, a fan motor activation switch, connecting wires running along the length thereof into connection with a fan motor of said fan assembly, and a collapsible rain canopy assembly including said fabric canopy attached to a collapsible canopy support frame in connection with an end of said tubular vertical support tube;said fan assembly including a fan motor in controlled electrical connection with said motor activation switch through said connecting wires, a drive gear attached to an end of a motor shaft of said fan motor, a ring shaped fan blade assembly including a ring shaped fan gear rotatably mounted on a section of said tubular vertical support tube that is integrally formed with a fan blade attachment section having a number of pivot mounts each having a pivoting fan blade attached thereto such that, when said ring shaped fan gear is not rotating, said pivoting fan blades pivot down, rotation of said ring shaped fan gear about said tubular vertical support tube causing said pivoting fan blades to extend out radially from said fan blade attachment section, and a fan gear thrust bearing rigidly mounted to said tubular vertical support tube beneath said ring shaped fan gear and limiting movement of said ring shaped fan gear along said tubular vertical support tube;said fan motor being rigidly attached to said tubular vertical support tube such that said drive gear attached to said motor shaft engages said ring shaped fan gear in a manner to cause rotation of said ring shaped fan gear about said section of said tubular vertical support tube by rotation of said drive gear and to prevent said ring shaped fan dear from sliding upward alone said tubular vertical support toward said fan motor an amount sufficient to remove said ring shaped fan gear from meshed engagement with said drive gear.