Underwater viewing device

Details Underwater viewing device Underwater viewing device

1998-07-16

1999-09-21

Avila, Stephen

Buoys, rafts, and aquatic devices

Buoyancy underwater viewing device

114 66, B63C 1100

Patent

active

059545585

ABSTRACT:
An underwater viewing device for use during ice fishing for permitting a user to see underwater through a hole in the ice. The device includes a viewing tube having open top and bottom ends. An annular resting flange is disposed around the viewing tube. An elastomeric O-ring is disposed around the viewing tube. The O-ring has a diameter sized such that the O-ring is held in tension on the viewing tube. The O-ring is positioned on the viewing tube between the top end of the viewing tube and the resting flange with the O-ring resting on the viewing tube such that the viewing flange is held in a relative position with respect to the resting flange.

REFERENCES:
patent: 1258324 (1918-03-01), Egenes
patent: 4852508 (1989-08-01), Takada
patent: 5145431 (1992-09-01), Dowdeswell
patent: 5672082 (1997-09-01), Binder

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