Educational device for teaching the severely mentally retarded

Details Educational device for teaching the severely mentally retarded Educational device for teaching the severely mentally retarded

1995-12-01

1998-08-04

Hafer, R. A.

Amusement devices: toys

Construction toy

446103, 446118, 446122, 446126, 434256, A63H 3304, A63H 3312

Patent

active

057885524

ABSTRACT:
This educational device has been specifically developed so that a severely mentally disabled person can build simple and compound machines that are used in the teaching of basic mechanics.
The four elements-building units, linkages, connector-strips and a special supporting base called a linkage-box, are capable of being united even though the disabled person may also have severe physical disabilties in hand and arm movements.
As the machines are built, the disabled person is also having a three dimensional real life experience with concepts such as, "force", "weight", "mechanical advantage", pulley, wheel, axle, velocity, rotation, directionality and cause and effect relationships.
The knowledge and skills developed can also find practical application in the vocational, residential and recreational settings.

REFERENCES:
patent: 228052 (1880-05-01), Frost
patent: 1198263 (1916-09-01), Pajeau
patent: 1863320 (1932-06-01), Ankeltell
patent: 2014464 (1935-09-01), Bierbach
patent: 2088128 (1937-07-01), Benjamin
patent: 2313357 (1943-03-01), Pajeau
patent: 2568557 (1951-09-01), Newberry
patent: 2674827 (1954-04-01), Schaper
patent: 2709318 (1955-05-01), Benjamin
patent: 4458441 (1984-07-01), Bril
Gilbert Industries, Inc., Young Erector, New York Times Magazine, p. 114, Nov. 1973.

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