Apparatus and method to prevent campfires from spreading
First Claim
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1. A device for preventing the unintentional spread of a campfire comprising:
- a. at least five triangularly shaped self-supporting members wherein said self-supporting members are configured when surrounding said campfire to substantially point to a vertex at an upper end of said self-supporting members and further comprising an overlapping vertex ember restrictor overlapping said self-supporting members at said upper end when surrounding said campfire and wherein said overlapping vertex ember restrictor is generally diametrically hingeably attached to generally diametrically opposed self-supporting members at said upper end of said self-supporting members;
b. a spark-impregnable, fire-passable material located on said self-supporting members;
c. a plurality of hinge elements joining said self-supporting members to allow repeated folding and unfolding of said members;
d. a base support on each self-supporting member; and
f. at least two side edges on each self-supporting memberwherein said base supports of said self-supporting members have a cumulative base length sufficient so as to substantially surround said campfire and wherein said device has a weight so as to allow manual transportation of said device.
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Abstract
The devices and methods described relate to the prevention of the spreading of campfires which might create forest fires through the unintentional emission of embers and sparks. The invention encloses the campfire in a three dimensional space. It is self-supporting, is easily portable and transportable by selection of an appropriate shape and weight, and is compactable through folding or rolling by the use of rings or hinges. The principal geometric shape is pyramidal with the use of multiple panels. Further, these panels have two end panels which can be folded out to allow temporary access to the campfire.
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Citations
28 Claims
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1. A device for preventing the unintentional spread of a campfire comprising:
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a. at least five triangularly shaped self-supporting members wherein said self-supporting members are configured when surrounding said campfire to substantially point to a vertex at an upper end of said self-supporting members and further comprising an overlapping vertex ember restrictor overlapping said self-supporting members at said upper end when surrounding said campfire and wherein said overlapping vertex ember restrictor is generally diametrically hingeably attached to generally diametrically opposed self-supporting members at said upper end of said self-supporting members; b. a spark-impregnable, fire-passable material located on said self-supporting members; c. a plurality of hinge elements joining said self-supporting members to allow repeated folding and unfolding of said members; d. a base support on each self-supporting member; and f. at least two side edges on each self-supporting member wherein said base supports of said self-supporting members have a cumulative base length sufficient so as to substantially surround said campfire and wherein said device has a weight so as to allow manual transportation of said device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A device for preventing the unintentional spread of a campfire comprising:
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a. at least three triangularly shaped self-supporting members wherein said self-supporting members are configured when surrounding said campfire to substantially point to a vertex at an upper end of said self-supporting members; b. a spark-impregnable, fire-passable material located on said self-supporting members; c. a plurality of hinge elements joining said self-supporting members to allow repeated folding and unfolding of said members; d. a base support on each self-supporting member wherein said base supports of said self-supporting members have a cumulative base length sufficient so as to substantially surround said campfire; f. at least two side edges on each self-supporting member; and g. an overlapping vertex ember restrictor overlapping said self-supporting members at said upper end when surrounding said campfire and wherein said overlapping vertex ember restrictor is generally diametrically hingeably attached to generally diametrically opposed self-supporting members at said upper end of said self-supporting members; and wherein said device has a weight so as to allow manual transportation of said device.
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22. A method to keep a campfire from spreading comprising the steps of:
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a. obtaining a spark-impregnable, fire-passable material; b. cutting said material into triangularly shaped members having a base support and at least two side edges and an upper end; c. folding said material at least once over at said base support and side edges; d. hingeably attaching said triangularly shaped members in a configuration to surround said campfire so that said members substantially point to a vertex at said upper end; e. hingeably attaching an overlapping vertex ember restrictor at substantially diametrical points across said upper end of self-supporting members; f. folding into an assembly said self-supporting members; g. locating a suitable place for said campfire; h. removing undesirable combustible debris; i. establishing said campfire; j. unfolding said triangularly shaped members; and k. positioning said campfire spreading prevention device around the campfire so that it substantially completely surrounds said campfire. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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Specification