Stoves and furnaces – Stoves – Cooking
Reexamination Certificate
1999-11-01
2001-02-20
Lazarus, Ira S. (Department: 3743)
Stoves and furnaces
Stoves
Cooking
C126S026000, C126S910000
Reexamination Certificate
active
06189529
ABSTRACT:
BACKGROUND OF THE INVENTION
Currently there are several types of collapsible cooking apparatus, however there is no single cooking apparatus that allows food preparation for a group of people, such as a family, at one time and is portable for use in outdoor recreation. More and more state and federal laws and regulations are restricting or banning the use of bonfires and open-air barbecues. What is needed is a cooking apparatus that allows for barbecue style cooking but in a contained and clean-cook fashion for safety and anti-pollutant reasons. There exists a need for a cooking apparatus that not only has the capacity to cook for a large group of individuals, such as a family, at one time, but that has the means of moderating and adjusting the heat to cook different types of food.
In addition, most outdoor cooking apparatus take up a comparatively large volume of space and are too heavy for easy use in remote locations that are not readily accessible to a vehicle that can transport the cooking apparatus to its point of intended use. Ideally this apparatus needs to be easily portable, light in construction and able to collapse into a container that will fit in a standard backpack. Ideally this cooking apparatus should be easy to assemble, and tear down to return it to its original state for storage in its container ready for reuse and the cooking apparatus should be easy to dispose of any ash and food residue and easy to clean as well as be resistant to staining.
The requirements of the backpacker are very demanding since the backpacker needs a collapsible cooking apparatus that has the smallest possible volume as well. In addition, since a backpacker will have few if any tools the collapsible cooker must be easily assembled for use without any tools the backpacker will also, in many instances, be required to carry his or her fuel for the cooker and hence the collapsible cooker must be extremely efficient in its use of fuel since the fuel source may be fixed to a small amount without the ability for it to be replenished. Fire is also a possibility in many backpacking situations and hence it is important the a collapsible cooker for backpacking situations properly contact ignited fuel or fuel that could be ignited so that it does not pose a possible fuel hazard.
It is also important that a collapsible cooker be readily cleaned. This is particularly true in various outdoor situations where the access to cleaning facilities is limited such as in the case of backpacking or in remote camping situations.
Existing collapsible cookers are also difficult to readily assemble. This is particularly true when assembly is required under difficult conditions such as in low light conditions that are likely to be encountered when backpacking or camping.
The new collapsible cooking apparatus of this invention overcomes these problems and provide a collapsible cooking apparatus that is easy to use and safe to use to cook for varying numbers of people with different types of possible cooking techniques. The new collapsible cooking apparatus is light in weight, is very compact and yet it is easy to assemble without the need for any tools. The new collapsible cooking apparatus has portions that are used for more than one purpose.
SUMMARY OF THE INVENTION
This invention relates to cooking apparatus and more particularly to collapsible cooking apparatus.
Accordingly, it is an object of the invention to provide a collapsible cooking apparatus that is readily portable.
It is an object of the invention to provide a collapsible cooking apparatus that can be reduced to a small volume.
It is an object of the invention to provide a collapsible cooking apparatus that is light in weight.
It is an object of the invention to provide a collapsible cooking apparatus that is strong for its weight.
It is an object of the invention to provide a collapsible cooking apparatus that efficiently uses its structure.
It is an object of the invention to provide a collapsible cooking apparatus that has dual function structure.
It is an object of the invention to provide a collapsible cooking apparatus that has a wide range of cooking capacities.
It is an object of the invention to provide a collapsible cooking apparatus that can be used for cooking for a wide number of individuals.
It is an object of the invention to provide a collapsible cooking apparatus that can be used for various types of cooking.
It is an object of the invention to provide a collapsible cooking apparatus that can be configured for different types of cooking.
It is an object of the invention to provide a collapsible cooking apparatus that can be configured for cooking in an oven, grilling, simmering and warming.
It is an object of the invention to provide a collapsible cooking apparatus that can be configured for varying the cooking heat.
It is an object of the invention to provide a collapsible cooking apparatus that folds into a small package.
It is an object of the invention to provide a collapsible cooking apparatus that uses pivoting interconnected structures.
It is an object of the invention to provide a collapsible cooking apparatus that folds into a small package but deploys into a rigid structure for cooking.
It is an object of the invention to provide a collapsible cooking apparatus that safely handles the cooking fuel.
It is an object of the invention to provide a collapsible cooking apparatus that contains and controls the location of the fuel while it is burning, during its burning and in its partially burnt state.
It is an object of the invention to provide a collapsible cooking apparatus efficiently uses is fuel.
It is an object of the invention to provide a collapsible cooking apparatus that reduces fuel fire hazards.
It is an object of the invention to provide a collapsible cooking apparatus that contains fuel ashes and residue.
It is an object of the invention to provide a collapsible cooking apparatus that is easy to clean.
It is an object of the invention to provide a collapsible cooking apparatus that is maintenance free.
It is an object of the invention to provide a collapsible cooking apparatus that is rugged and reliable for its light weight.
It is an object of the invention to provide a collapsible cooking apparatus that is simple in its operation.
It is an object of the invention to provide a collapsible cooking apparatus that is easy to manufacture.
It is an object of the invention to provide a collapsible cooking apparatus that is inexpensive to manufacture.
These and other objects will be apparent from the collapsible cooking apparatus invention that includes a collapsible generally circular shaped hollow cooking enclosure that has triangular cross section hollow containers in its interior for holding fuel during the cooking process and a collapsible structure for suspending articles above or within the collapsible generally circular shaped hollow cooking enclosure for cooking or warming. The collapsible structure for suspending articles above the generally circular shaped hollow cooking enclosure has a plurality of collapsible legs whose lower end portions are adapted to rest upon the ground or the like around the collapsible generally circular shaped hollow cooking enclosure.
REFERENCES:
patent: 955140 (1910-04-01), Cronk
patent: 4726349 (1988-02-01), Gehrke
patent: 4829977 (1989-05-01), Valentine
patent: 5535733 (1996-07-01), Hait
Shabazian Michael R.
Tucker Deborah M.
Clarke Sara
Lazarus Ira S.
York Michael W.
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