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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 membe

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.

대표청구항 ▼

Drive mechanism for an air circulating system of a battery of poultry cages having a poultry dropping receptacle extending beneath the battery of cages, the air circulating system drying collected poultry droppings by air currents sweeping over the poultry dropping receptacle, and with the air circu

Drive mechanism for an air circulating system of a battery of poultry cages having a poultry dropping receptacle extending beneath the battery of cages, the air circulating system drying collected poultry droppings by air currents sweeping over the poultry dropping receptacle, and with the air circulating system including a plurality of air ventilator flaps longitudinally spaced from each other and supported on transverse axle means, the drive mechanism includes means for pivotably displacing the respective air ventilator flaps including traction means extending in a longitudinal direction of the battery of poultry cages and engaging the respective air ventilator flaps at a small distance from the transverse axle means, means for driving said traction means in a reciprocating fashion, and at least one spring means arranged at each of said traction means for normally biasing the respective traction means in a direction opposite to a driving direction provided by the means for driving.