Anti-crushing bar assembly for pig farrowing crates

Details Anti-crushing bar assembly for pig farrowing crates Anti-crushing bar assembly for pig farrowing crates

1981-03-16

1982-09-28

Chamblee, Hugh R.

Animal husbandry

Bed or rest

A01K 102

Patent

active

043512720

ABSTRACT:
When a sow lies down in a conventional pig farrowing crate, piglets are often crushed as they are unable to move out of the way fast enough. This invention consists of an inwardly curved bar pivoted by the outer ends thereof between a pair of supports extending between the comfort bar and the bar immediately thereabove same. It normally is retained in a horizontal position by means of stops and these bars prevent the sow from lying down quickly as they interfere. With the bars in place, the sow has to maneuver as she lies down in order to get her back under one bar and the other underneath the other bar. This slows down the movement of the sow considerably thus enabling the piglets time to get out of the way. When the sow stands up, the bars pivot upwardly giving her sufficient room to stand whereupon they return by gravity to the original horizontal position.

REFERENCES:
patent: 1307862 (1919-06-01), James
patent: 4177762 (1979-12-01), Borcherding

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