Title:
可変速救命装置
Document Type and Number:
Japanese Patent JP4138660
Kind Code:
B2
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.
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Inventors:
Bai, Shourin
Application Number:
JP2003550855A
Publication Date:
August 27, 2008
Filing Date:
December 11, 2002
Export Citation:
Assignee:
Bai, Shourin
International Classes:
A62B1/08; A62B1/10; H02K11/00
Domestic Patent References:
| JP7308394A | ||||
| JP53085998A | ||||
| JP2000134905A | ||||
| JP50072495A | ||||
| JP49120497A | ||||
| JP3020716U |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda