Animal cage assembly with reusable filter cap

Details Animal cage assembly with reusable filter cap Animal cage assembly with reusable filter cap

1984-09-24

1987-02-03

Swiatek, Robert P.

Animal husbandry

Milkers

With signals, indicators, registers, and timers

119 17, A01K 103

Patent

active

046402284

ABSTRACT:
A cage assembly for small laboratory animals includes a cage having an open-top transparent body and optionally a containment member within the cage body to confine the animals. A filter cap for biologically isolating the encaged animals from the surrounding environment is disposed on the cage. The filter cap has a rigid transparent housing which rests upon and encompasses the cage. The marginal portion of the filter cap overhangs the marginal portion of the cage to prevent the filter cap from being dislodged from the cage. The filter cap has a perforated top wall against the under surface of which an air filter is detachably secured by retainer member which snaps into mounted position in which the filter is sandwiched between the perforated top wall and the retainer member, with the top wall protecting the filter against damage during handling of the filter cap.

REFERENCES:
patent: 3304913 (1967-02-01), Nesher
patent: 3343520 (1967-09-01), Schwarz, Jr.
patent: 3537428 (1970-11-01), Montgomery
patent: 3580219 (1971-05-01), Stebbins
patent: 3791346 (1974-02-01), Willinger et al.
patent: 4112984 (1978-09-01), Guglia et al.

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