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US3906968A Expired / Lapsed US ⏱️ 0.0 years remaining

Tent with arched bows

Assignee: Individual
•
Filing: 1974-09-23
•
Granted: 1975-09-23
•
Expires: 1994-09-23
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Abstract

Abstract A tent is formed of a plurality of like bows struck on an arc of predetermined radius which may be eight feet more or less in radius. The ends of the bows have a pivot means thereon by which the bows are pivoted to opposite plates so that the bottom bows can swing upwardly against the central vertical bow or a pair of central vertical bows may swing from vertical to horizontal positions. Oval sections of fabric are joined together to fill the areas between the bows, stitched or otherwise secured together and to a listing strip at each edge through each of which a bow is threaded. When a pair of vertical bows are used, the fabric terminates around each bow so they can move away from each other. A cord or line can be pulled to raise one or the other of the horizontal bows or gear means, manually or motor driven to operate the vertical bows or the vertical or horizontal bows selectively. The cord or gears can be used on the inside or outside of the tent to raise or lower the bows.

Inventors

  • 👤 John O Black

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:51
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/34; E04H15/36; E04H15/38; Y; Y10; Y10S; Y10S135/00; Y10S135/906

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 110 words
In a tent, oppositely disposed ground engaging side plates, arcuate bows having their ends pivoted to the side plates to be arched therebetween, fabric means spanning the area between the bows when the bows are extended to form the tent, two central bows movable to adjacent vertical positions, gears mounted on an end of said central bows by which they are moved to raised adjacent position, the movement of one or both of the central bows to raised position causes the bows outwardly thereof to pivot upwardly therewith due to the cloth connection between the bows to cover the area within the two outermost bows which rest upon the ground.
Claim 2
Dependent Claim 110 words
In a tent, oppositely disposed ground engaging side plates, arcuate bows having their ends pivoted to the side plates to be arched therebetween, fabric means spanning the area between the bows when the bows are extended to form the tent, two central bows movable to adjacent vertical positions, gears mounted on an end of said central bows by which they are moved to raised adjacent position, the movement of one or both of the central bows to raised position causes the bows outwardly thereof to pivot upwardly therewith due to the cloth connection between the bows to cover the area within the two outermost bows which rest upon the ground.
Claim 3
Dependent Claim 56 words
In a tent as recited in claim 1, wherein a gear is provided on the same end of the two horizontal bows as the gears are provided on the two central vertical bows, a planet gear movable selectively into engagement with any one of the gears on the bows, and means for rotating said planet gear.
Claim 4
Dependent Claim 28 words
In a tent as recited in claim 2, wherein means are provided for securing the planet gear against advancement when in driving relation with one of said gears.
Claim 5
Dependent Claim 31 words
In a tent as recited in claim 3, wherein motor means are provided for driving the planet gear to raise or lower the bow secured to a gear in mesh therewith.
Claim 6
Dependent Claim 21 words
In a tent as recited in claim 4, wherein means are provided for retaining the two centraL bows in raised position.
Claim 7
Dependent Claim 28 words
In a tent as recited in claim 5, wherein said central bows are disposed at an angle to the ends in overcenter relation to the attached gear centers.

References Cited (Backward Citations)

US1907799A Cited
US2683507A Cited
US2960993A Cited
US3190300A Cited
US3802450A Cited
US3726294A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-22 1979-03-24 1979-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-22 1983-03-24 1983-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-22 1987-03-24 1987-09-23 $7700.00 Window Closed / Lapsed

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