CEILING FAN

• Main Authors: ITOU, SHIGEO, YAMAMOTO, KIMINOBU, KAWAZU, TETSUJI
• Format: Patent
• Language: English
• Published: 29.01.2015
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

A CEILING FAN COMPRISING A DISC-LIKE STATOR (2) PROVIDED WITH A FIXED SHAFT (1) AT THE CENTER, AN ANNULAR ROTOR (3) DISPOSED IN PROXIMITY TO THE PERIPHERY OF THE STATOR (2), A SUPPORTING FRAME (4) FIXED TO THE ROTOR (3) AND ROTATABLY SUPPORTED BY THE FIXED SHAFT (1); A FAN BLADE (5) FIXED TO THE SUPPORTING FRAME (4); AND A RETAINING MEMBER (9, 9A, 9B) HAVING ONE END FIXED TO THE SUPPORTING FRAME (4) TOGETHER WITH THE FAN BLADE (5) AND THE OTHER END COUPLED TO THE FAN BLADE (5), WHEREIN THE FAN BLADE (5) COMPRISES A ROOT PORTION (6A, 7A) FIXED TO THE SUPPORTING FRAME (4), A BLADE PORTION (6B) COUPLED WITH THE RETAINING MEMBER (9, 9A, 9B), AND AN OFFSET PORTION (6C, 7B) FORMED BY BENDING BETWEEN THE ROOT PORTION (6A, 7A) AND THE BLADE PORTION (6B), THEREBY PREVENTING THE FAN BLADE (5) FROM BEING DAMAGED EASILY EVEN WHEN IT IS IMPRESSED WITH A LOAD AND ENSURING THE SAFETY EVEN IF THE FAN BLADE (5) IS BROKEN SINCE THE BLADE PORTION (6B) IS HELD COUPLED TO THE ROTOR SIDE.