Supports – Suspended supports – Adjustable
Patent
1986-06-02
1988-04-12
Foss, J. Franklin
Supports
Suspended supports
Adjustable
2482801, 248648, 248662, A47H 110
Patent
active
047369221
ABSTRACT:
Apparatus for suspending an article for movement in a gravitational field incorporates a fixed hanger with one or more axle members stacked below the hanger and connected thereto. For each axle there is a rotor mounted on the axle, with a housing connected to the rotor and defining a horizontal passageway offset with respect to the rotational axis of the rotor. In each passageway there is a slide arm, and a guiding mechanism for guiding the slide arm. In a preferred form, the slide arm defines a horizontal axis about which a swing arm is pivoted, the swing arm supporting an article at the other end. A constant force is generated within the apparatus, and the force is applied to the swing arm in such a way as to consistently counterbalance the weight of the article.
REFERENCES:
patent: 1758469 (1930-05-01), Sansburn
patent: 2837307 (1958-06-01), Schwager et al.
patent: 3065332 (1962-11-01), Lauterbach
patent: 3615067 (1971-10-01), Goudreau
patent: 3751654 (1973-08-01), Grebinar
patent: 4032775 (1977-06-01), Bobrick
patent: 4408740 (1983-10-01), Kleber
patent: 4421450 (1983-12-01), Kouno
patent: 4591122 (1986-05-01), Kreuzer
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