Speed-adjustable life-saving apparatus

Details Speed-adjustable life-saving apparatus Speed-adjustable life-saving apparatus

2007-10-09

2007-10-09

Mackey, Patrick (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With particular drive

C242S420500, C242S422300, C182S072000, C182S231000, C182S236000

Reexamination Certificate

active

10498678

ABSTRACT:
Provided is speed-adjustable life-saving apparatus which comprises a housing, a drum disposed in the housing, a life rope and a resistance wheel hub motor. One end of the life rope is fastened and wound on the drum. The resistance wheel hub motor disposed in the drum comprises a wheel hub, a speed-variable damper assembly, a shift and a rotor, and is supported in the housing by a main shaft. The wheel hub is fixedly connected to the drum and drives the rotor through the speed-variable damper assembly. A unilateral diode is connected to the circuit of the rotor through external leads. The speed-adjustable life-saving apparatus provided herein is safe, reliable and convenient to use.

REFERENCES:
patent: 3121833 (1964-02-01), Conomos et al.
patent: 3541414 (1970-11-01), Wilkerson
patent: 4448284 (1984-05-01), Ciabo
patent: 4463830 (1984-08-01), Geurtsen
patent: 4567963 (1986-02-01), Sugimoto
patent: 6386344 (2002-05-01), Hershtik
patent: 50-72495 (1973-09-01), None
patent: 49-120497 (1974-11-01), None
patent: 7-308394 (1995-11-01), None
patent: 53-8599 (1998-01-01), None
patent: 2000-134905 (2000-05-01), None

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