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US 4,503,563 AGranted
Electrical device in a buoyant, watertight housing
AssigneeJandy Industries
InventorBruce R. Johnson
Life of this patent
Estimating the term…
Abstract
An electrical device in a buoyant, watertight housing, with electrical circuitry, including a battery, to illuminate an incandescent lamp to project either dispersed light or a beam through the translucent bottom of the housing, and to power a radio, as well as a water temperature thermometer. A handle is provided so that the device may be used as a portable lantern and/or radio.
Claims7
A buoyant, watertight, housed, electrical device comprising:
- a housing shell;
- electrically energized means in said housing shell;
- at least one battery in said housing shell electrically connected to said electrically energized means;
- a closure member;
- interengagable, outer and inner nesting extensions on said shell and closure member, respectively;
- a resilient seal ring interposed and sealing between said extensions;
- interlocking means on said extensions engaged to prevent separation thereof;
- the outer one of said nesting extensions being movable outward to enable said interlocking means to disengage;
- and
- restraining means around said extensions operative in a first position to enable said outward movement and in a second position to prevent said outward movement.
7 more elements
Dependencies are inferred from the claim text.