Single powered dual movement motion device

Details Single powered dual movement motion device Single powered dual movement motion device

1993-04-23

1995-03-14

Underwood, Donald W.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74103, 414917, F16H 3100

Patent

active

053968166

ABSTRACT:
A single powered dual movement motion device preferably mounted on the distal end of a boom and connected to a platform adapted to carry a wheel chair of a handicapped person. The motion device has a base frame that mounts it on the boom. A first extension frame is pivotally connected to the base frame and a second extension frame is hingedly connected to the first extension frame. A reversible rotatable drive assembly is fixed to the base frame and is driven by a reversible power source. The reversible rotatable drive assembly includes a release and lock means whereby an arcuate path will be given to an extremity of the second extension frame in the release mode and a straight forward path in the locked mode. A reversal of the power source will reverse the sequence of events.

REFERENCES:
patent: 2972467 (1961-02-01), Gilman
patent: 3124009 (1964-03-01), Grover
patent: 3312980 (1967-04-01), Erbach

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