Automatic locks or bolts for the door of an animal-raising cage,

Details Automatic locks or bolts for the door of an animal-raising cage, Automatic locks or bolts for the door of an animal-raising cage,

1978-04-18

1980-04-22

Chamblee, Hugh R.

Animal husbandry

Bed or rest

A01K 102, A01K 2900

Patent

active

041989279

ABSTRACT:
In individual animal-raising cages, which serve as refectory and as dormitory, a door system is individually provided, which allows the entry of an animal into the cage, but which must forbid the entry of a second animal. The lock or bolt takes its locking position as soon as the door is lowered behind the first animal which has entered, and it prevents another animal from raising the door from the outside. On the contrary, when the first animal wishes to get out, it automatically unlocks the bolt or lock before lifting the door. Several embodiments are described.

REFERENCES:
patent: 579484 (1897-03-01), Jarrett
patent: 3543723 (1970-12-01), Van Gilst
patent: 3785346 (1974-01-01), Dower

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