Primate amusement and environmental enrichment device

Details Primate amusement and environmental enrichment device Primate amusement and environmental enrichment device

1993-05-07

1994-09-06

Hirsch, Paul J.

Animal husbandry

Feeding device

Solid or lick feeder

119709, 434259, A01K 500, A01K 1500

Patent

active

053438280

ABSTRACT:
A simple puzzle toy designed for the amusement of primates and enrichment of their environment. The device of the preferred embodiment is a sphere having a plurality of holes. Pellets of food or other substances attractive to the primate are placed inside the device. The dimensions the holes are such that the pellets will pass through the holes in certain orientations and will not pass through the holes in other orientations, or such that it will have corners or edges of food and treats too large to be retrieved whole to be chewed until the food is small enough to be aligned with the opening and be removed in its entirety. Arrangement of the pellets, or reduction in size of the pellets by chewing, provides the device's amusement and environmental enrichment value.

REFERENCES:
patent: D214928 (1969-08-01), Swett et al.
patent: 1534964 (1925-04-01), Kahnweiler
patent: 3948220 (1976-04-01), Fiedler
patent: 3999519 (1976-12-01), Rodemeyer
patent: 4008526 (1977-02-01), Swett et al.
patent: 4451038 (1984-05-01), Nagy
patent: 4727825 (1988-03-01), Houghton
patent: 4840374 (1989-06-01), Skinner
patent: 4841911 (1989-06-01), Houghton
patent: 5139453 (1991-08-01), Aiken et al.
"Alphabet Box Set", Parade Magazine, Nov. 1972, p. G6.
"Form Fitter", Cleo Learning Aids, Cleveland Ohio, Feb. 1976, p. 175.

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