Buoys – rafts – and aquatic devices – Buoy – Marker buoy
Patent
1991-06-18
1993-01-05
Sotelo, Jesus D.
Buoys, rafts, and aquatic devices
Buoy
Marker buoy
290 42, B63B 2200
Patent
active
051765527
ABSTRACT:
A luminous float includes a float body, a resistance plate and a light-emitting device, and causes the light-emitting device to emit light by electricity generated by a dynamo through the relative motions of the float body and the resistance plate, which are caused by waves and tidal currents. In a preferred embodiment, a contractible and extensible bellows provided at the bottom of the float body is connected with the resistance plate through a connecting element. Furthermore, one end of a spring is coupled to an inner member of the float body, and the other end of the spring is coupled to the bottom of the bellows through a coupling means.
REFERENCES:
patent: 3898471 (1975-08-01), Schera, Jr.
Kuboyama Takeo
Noda Hideki
Osaka Yasu
Osaka Yuji
Shigetomi Kenichi
Iron Works Co., Ltd.
Ohumi Tsusho Kabushiki Kaisha
Sotelo Jesus D.
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