Patent ID: 9591828
Date: 2017-03-14
CPC Classifications: A01K,B29C,B29L,Y10T

Claim:
1. A livestock confinement pen system comprising: a first pen including a first rear panel formed from a first inner sheet and a first outer sheet, the first rear panel including a first vent opening through both the first inner sheet and the first outer sheet, and a first vent supported by the first rear panel and moveable to selectively cover the first vent opening; a second pen including a second rear panel spaced apart from the first rear panel and formed from a second inner sheet and a second outer sheet, the second rear panel including a second vent opening through both the second inner sheet and the second outer sheet, and a second vent supported by the second rear panel and moveable to selectively cover the second vent opening; a top attachment panel extending between and connecting an upper portion of the first rear panel and an upper portion of the second rear panel; a left side attachment panel extending between and connecting a left portion of the first rear panel and a right portion of the second rear panel; a right side attachment panel extending between and connecting a right portion of the first rear panel and a left portion of the second rear panel; an air plenum defined between the first rear panel, the second rear panel, the top attachment panel, the left side attachment panel, and the right side attachment panel; an opening in at least one of the top attachment panel, the left side attachment panel, and the right side attachment panel connected to a duct; wherein when the first vent opening is unobstructed by the first vent a first air can be drawn from a first confinement area of the first pen through the first vent opening, into the air plenum, and through the duct; and wherein when the second vent opening is unobstructed by the second vent a second air can be drawn from a second confinement area of the second pen through the second vent opening, into the air plenum, and through the duct.