Counter-rotating trolley and track suspension system

Details Counter-rotating trolley and track suspension system Counter-rotating trolley and track suspension system

1981-06-10

1983-08-30

Reeves, Robert B.

Railways

Suspended

Double inner rail

104111, 16 89, 16 95R, 16106, 49409, E05D 1302

Patent

active

044010338

ABSTRACT:
A self-plumbing, counter-rotating trolley and track suspension system for supporting an operable wall panel is disclosed. The suspension system comprises a trolley assembly, including a pendant bolt to provide a common axle on which a pair of counter-rotating discs are rotatably mounted in spaced apart alignment. The track-contacting surface of each disc is spherically formed, with each surface generated from a common centerpoint but having unequal radii so that the surfaces generated by the radii have curvatures which are similar but are not congruent. The suspension system also includes a track having a pair of vertically spaced and diametrically arranged rails, each rail defining a cylindrical surface which is generated from the same common centerpoint of that of the discs, the locus of which lies above the rail-contacting surface of the upper disc. When the trolley is mounted for movement along the track, the discs of the trolley will always maintain mating contact with their respective rails, even when the center line of the trolley and track are in misalignment.

REFERENCES:
patent: 3042960 (1962-07-01), Spork
patent: 3091189 (1963-05-01), Becker
patent: 3879799 (1975-04-01), Williams
patent: 3929078 (1975-12-01), Sears
patent: 4084289 (1978-04-01), Naimo
patent: 4141106 (1979-02-01), Dixon
patent: 4159556 (1979-07-01), Dickson

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