Reciprocating radiant electric heater
Patent 6215956 Issued on April 10, 2001. Estimated Expiration Date: 
May 3, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 3, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1440171 3228260 3377465 3482077 Swiveling electric fan Patent #: 5411371 InventorAssigneeApplicationNo. 564139 filed on 05/03/2000US Classes:392/440, Multi-direction radiant heat output74/25, Rotary to or from reciprocating or oscillating392/373, Portable392/376, With reflector392/426Bowl-shaped reflectorExaminersPrimary: Jeffery, John A.Attorney, Agent or FirmForeign Patent References
International ClassH05B 003/00Foreign Application Priority Data1999-06-15 KRAbstractAn electric heater with a post and a heating member; which comprises an orientation device comprising a pole or spindle fixed on the post; a movable plate formed with front and rear holes and rotatably mounted on the pole or spindle through its front hole, carrying the heating member; a geared motor with a shaft extending downwardly through the rear hole of the movable plate; a transmission plate formed with mating teeth on the upper surface and rotatably fixed to the lower end of the motor shaft; a driving plate carrying a guide pin on or near its lower edge and formed with mating teeth on its bottom surface to be engaged with the counter part of the transmission plate; a spring mounted around the motor shaft under the movable plate for elastically pressing the driving plate downwardly; and an elongate guide path formed on the post for receiving the guide pin and allowing it to reciprocate straightly therein, for automatically and easily converting the direction of heat reflection of the reflector is disclosed.Field of SearchPortableWith baffle Combined with radiation With reflector With fan position adjusting means With reflector Bowl-shaped reflector Annular heating element concentric with reflector axis Linear heating element aligned with reflector axis Coiled on core Multi-direction radiant heat output Continuous rotation about plural axes PROTECTIVE SCREEN OR GUARD Reciprocating sleeve or collar on or rod in impeller shaft Continuous rotor oscillation INCLUDING CASING PART SELECTIVELY MOVABLE RELATIVE TO FIXED SUPPORT Rotary to or from reciprocating or oscillating Cranks, slidable connections | |
