Cartesian toy submarine

Details Cartesian toy submarine Cartesian toy submarine

1977-06-02

1978-01-03

Pinkham, Richard C.

Undertaking

46 95, 272 8N, A63H 2306

Patent

active

040658740

ABSTRACT:
An essentially non-compressible cartesian toy submarine is provided which, when submersed in a liquid confined within a pressurized vessel, has the ability to ascend, descend and travel in a lateral plane in response to minor variations in pressure imposed within the vessel. The toy is comprised of a hull having a streamlined bow and a vertically tapered stern. An air-holding chamber, centrally positioned on the upper portion of the hull, has an aperture in its lowermost portion located within the hull. A channel extends through the rear portion of the hull, communicating with said air-holding chamber and the exterior of said hull. The channel is preferably straight and angled downwardly and sidewardly with respect to the longitudinal axis of the hull.

REFERENCES:
patent: 670727 (1901-03-01), Poli
patent: 1257151 (1918-02-01), Tierney
patent: 1662998 (1928-03-01), Brown
patent: 2509112 (1950-05-01), Seaman
patent: 2525232 (1950-10-01), McGaughy
patent: 3364617 (1968-01-01), Grafe
patent: 3695607 (1972-10-01), Stouffer

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