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US 8,763,325 B2Granted
Adjustable roof jack
AssigneeDot Metal Products
InventorVentura S. Rodriguez, Jr.
Life of this patent
Estimating the term…
Abstract
An adjustable roof jack, having: a flange; a first tapered cylinder fixedly connected to the flange; a second tapered cylinder rotationally connected to the first tapered cylinder; a vent cap tapered cylinder rotationally connected to the second tapered cylinder; and a vent cap assembly fixedly attached to the vent cap tapered cylinder.
Claims20
An adjustable roof jack, said adjustable roof jack comprising:
- a flange;
- a first tapered cylinder having a first cylinder top portion and a first cylinder bottom portion, the first cylinder bottom portion fixedly connected to the flange and the first cylinder top portion having at least one first cylinder fold having a first cylinder fold raised portion;
- a second tapered cylinder having a second cylinder top portion and a second cylinder bottom portion, the second cylinder bottom portion having at least one second cylinder bottom fold having a second cylinder bottom fold raised portion and the second cylinder top portion having at least one second cylinder top fold having a second cylinder top fold raised portion, wherein the second cylinder bottom fold is folded over the first cylinder fold raised portion to fixedly and rotationally connect the second tapered cylinder to the first tapered cylinder;
- a vent cap tapered cylinder having a vent cap cylinder top portion and a vent cap cylinder bottom portion, the vent cap cylinder bottom portion having at least one vent cap cylinder fold having a vent cap cylinder fold raised portion, wherein the vent cap cylinder fold is folded over the second cylinder top fold raised portion to rotationally connect the vent cap tapered cylinder to the second tapered cylinder;
- and
- a vent cap assembly fixedly attached to the vent cap tapered cylinder top portion.
3 more elements
An adjustable roof jack, said adjustable roof jack comprising:
- an octagonal shaped flange;
- a first tapered cylinder having a first cylinder top portion and a first cylinder bottom portion, the first cylinder bottom portion fixedly connected to the octagonal shaped flange at a substantially zero degree angle and the first cylinder top portion having two first cylinder folds, one first cylinder fold being a v shaped fold having a first cylinder fold raised portion and a second first cylinder fold being an end slanted l shape and continuous with the one first cylinder fold being a v shaped fold;
- a second tapered cylinder having a second cylinder top portion and a second cylinder bottom portion, the second cylinder bottom portion having one second cylinder bottom v shaped fold having a second cylinder bottom fold raised portion and the second cylinder top portion having at least one second cylinder top fold having a second cylinder top fold raised portion, wherein the second cylinder bottom fold is folded over the second first cylinder fold being an end slanted l shape to fixedly and rotationally connect the second tapered cylinder to the first tapered cylinder;
- a vent cap tapered cylinder having a vent cap cylinder top portion and a vent cap cylinder bottom portion, the vent cap cylinder bottom portion having at least one vent cap cylinder fold having a vent cap cylinder fold raised portion, wherein the vent cap cylinder fold is folded over the second cylinder top fold raised portion to rotationally connect the vent cap tapered cylinder to the second tapered cylinder;
- and
- a vent cap assembly fixedly attached to the vent cap tapered cylinder top portion.
3 more elements
Dependencies are inferred from the claim text.