Air circulating system for poultry housing

Details Air circulating system for poultry housing Air circulating system for poultry housing

1990-03-15

1991-04-16

Hirsch, Paul J.

Animal husbandry

Milkers

With signals, indicators, registers, and timers

119 15, A01K 3100

Patent

active

050073796

ABSTRACT:
A drive mechanism for an air circulating system for a battery of poultry cages for housing poultry, with the air circulating system including air ventilator flaps pivotally suspended in chambers. The drive mechanism includes traction members driven in a reciprocating fashion, with the traction members including compression springs surrounding the respective traction members.

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patent: 4299191 (1981-11-01), White et al.
patent: 4343261 (1982-08-01), Thomas

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