Congruent suspension twist swing

Details Congruent suspension twist swing Congruent suspension twist swing

1974-09-24

1976-02-10

Pinkham, Richard C.

Undertaking

24129D, 248341, A63G 900

Patent

active

039374637

ABSTRACT:
A swing for both arcuate and rotational motion has a disc platform for passengers and multiple, congruently attached support strands adapted for securing to a horizontal support member. The bight of a strand passes around the support member such that two free ends of the strand may pass through the disc to locks to adjustably secure the ends to the disc. The strand pairs are fixed to the horizontal support member at spaced positions on the member congruent with the position of the strands on the disc. The disc is provided with a peripheral rim having top and bottom walls. Extending through the walls are a plurality of spaced apart vertical apertures. The lower wall is provided with a depression placed adjacent each aperture. Extending across the depression and spaced from the bottom of the depression is a rigidly attached lock bar. The disc platform is swingedly attached to the support by passing each end of each strand pair through a vertical aperture and each end is then passed between the bottom of the depression and the lock bar and anchored at that point.

REFERENCES:
patent: 2701604 (1955-02-01), St. Louis
patent: 3130969 (1964-04-01), Groth
patent: 3447802 (1969-06-01), Grudoski
patent: 3712614 (1973-01-01), Sherman
Popular Mechanics, pg. 78, 8/1972.

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