Baths – closets – sinks – and spittoons – Shower – With self-contained water supply
Reexamination Certificate
1998-06-30
2001-10-02
Clarke, Sara (Department: 3743)
Baths, closets, sinks, and spittoons
Shower
With self-contained water supply
C126S626000
Reexamination Certificate
active
06295663
ABSTRACT:
This invention pertains generally to equipment for camping and other outdoor use and, more particularly, to a pressurized solar heated shower.
Solar heated showers have heretofore been provided for use by campers, backpackers, boaters and the like. One example of such a shower is found in U.S. Pat. No. 4,520,793. That shower comprises a flexible plastic bag with a spray hose for spraying water onto a bather. The bag holds approximately two gallons of water and is intended to be hung from a tree or other suitable support so the water flows from the bag and through the hose by gravity.
There have also been some attempts to provide pressurized outdoor showers in which water is delivered from a reservoir at ground level to an elevated shower head or nozzle. U.S. Pat. No. 2,033,023, for example, shows a system in which a foot operated pump is placed in a tub of water in which the bather stands, with a rubber spray ring around the bather's neck.
U.S. Pat. No. 3,484,571 shows a camper's shower in which water is heated over a campfire in a rigid metal tank which is then pressurized by a source such as a tire pump to discharge the water from the through a flexible hose and shower head.
U.S. Pat. No. 3,760,431 discloses a kit for converting a standard container into a portable shower. The kit includes a connector which replaces the filler cap of the container for connecting a foot pump and an upright conduit with a shower head to the container.
U.S. Pat. No. 4,539,720 shows a portable personal stall shower in which the bather stands on a rigid footpad atop a flexible water storage bag to pressurize the water and force it through a standpipe and shower head.
It is in general an object of the invention to provide a new and improved pressurized solar heated shower.
Another object of the invention is to provide a pressurized solar heated shower of the above character which is readily portable and particularly suitable for use by campers, backpackers, boaters and the like.
These and other objects are achieved in accordance with the invention by providing a flexible shower bag having first and second closed chambers on opposite sides of a flexible membrane, means for introducing water into the first chamber, an elongated flexible hose communicating with the first chamber and having a shower head at a distal end thereof, and a foot operated pump for introducing air under pressure into the second chamber to pressurize water in the first chamber and expel the water from the first chamber through the hose and the shower head.
REFERENCES:
patent: 204879 (1878-06-01), Bozeriah
patent: 2033023 (1936-03-01), Brown
patent: 3483571 (1969-12-01), Cox, Jr.
patent: 3513828 (1970-05-01), Masters
patent: 3760431 (1973-09-01), Schwibner
patent: 4036209 (1977-07-01), Press
patent: 4064570 (1977-12-01), Kim
patent: 4520793 (1985-06-01), Hall
patent: 4539720 (1985-09-01), Westerweller
patent: 5774908 (1998-07-01), Hall
patent: 2035542 (1980-06-01), None
Hall Charles Prior
Haller Clayton Forbes
Clarke Sara
Flehr Hohbach Test Albritton & Herbert LLP
Stearns Inc.
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