| 摘要 |
PURPOSE:To prevent parting of each part even if a coupling part is broken, by a method wherein coupling members, by means of which a motor is suspended from a ceiling, are intercoupled additionally through a wire to form a double coupling means. CONSTITUTION:Both ends of a wire 6 are secured to a fixed shaft 3 of a motor 1 and suspension pipe 4 by means of screws 7. The both ends of a wire 12 are also secured to the suspension pipe 4 and a support metal 10, attached to a ceiling surface 15, by means of screws 11. If coupling of the fixed shaft 3 with the suspension pipe 4 by means of the screws is released, coupling by means of the wire 6 is kept to prevent drop of the motor 1. Even if a coupling part between the suspension pipe 4 and a hook metal 8 by means of the screws is broken, coupling by means of the wire 12 can be kept to ensure safety.
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