Supports – Suspended supports – Adjustable
Patent
1985-01-04
1985-10-01
Foss, J. Franklin
Supports
Suspended supports
Adjustable
248542, 192129R, F16M 1300
Patent
active
045441219
ABSTRACT:
A support apparatus for a medical appliance includes a support, a lifter for mounting the medical appliance, a counterweight, a wire with one end connected to the lifter and the other end connected to the counterweight, the wire being passed over a first pulley mounted rotatably on the support, whereby the medical appliance can be moved vertically with weights of the lifter and the counterweight being substantially balanced with each other.
The lifter includes a braking device mounted thereon through parallel link arms extending obliquely downward, a stopper device adapted for engagement with the braking device, a rotatable second pulley, and a spring with one end connected to one end of the braking, the one end of the wire is passed over the second pulley and then connected to the other end of the braking device whereby the braking device is normally held away from a side surface of the support and made to abut against the stopper under the weight of the counterweight acting against influence of the spring, but the braking device is brought into contact with the side surface of the support under the tensile force of the spring when tension of the wire decreases.
REFERENCES:
patent: 602517 (1898-04-01), McFadden
patent: 1023711 (1912-04-01), Balazs
patent: 1066399 (1913-07-01), Garrecht
patent: 2974920 (1961-03-01), Spaulding
patent: 4360180 (1982-11-01), Bruneau
Foss J. Franklin
Olson Robert A.
Tokyo Kogaku Kikai Kabushiki Kaisha
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