Balancing apparatus

Details Balancing apparatus Balancing apparatus

1978-01-16

1980-03-04

Apley, Richard J.

Undertaking

272146, A63B 2304

Patent

active

041913710

ABSTRACT:
A balancing apparatus of the platform and spherical fulcrum type in which the spherical fulcrum is rotatable about its orthogonal axes to enable the fulcrum to move freely over a horizontal surface. A platform support on the spherical fulcrum has a first surface and oppositely facing second surface engaging the spherical fulcrum. A foot support is centrally located on the first surface. A stop means, for defining the extent of movement of the platform relative to the spherical fulcrum, is positioned on the second surface at a location outside the projection of the foot support from the first surface on the second surface.

REFERENCES:
patent: 3306626 (1967-02-01), Kawada
patent: 3488049 (1970-01-01), Sasser
patent: 3604726 (1971-09-01), Tracy
patent: 3612520 (1971-10-01), Chang
patent: 3862768 (1975-01-01), England
patent: 3984100 (1976-10-01), Firster
patent: 3995852 (1976-12-01), Mendelson

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