Shock absorbing mounting arrangement for gymnastic rings

Details Shock absorbing mounting arrangement for gymnastic rings Shock absorbing mounting arrangement for gymnastic rings

1986-03-17

1988-04-19

Apley, Richard J.

Undertaking

272141, A63B 702

Patent

active

047384441

ABSTRACT:
Compression-type springs (36) are interposed between the upper attachment means (16) of a gymnastic ring set (10,12,14,16) and the suspension means (18,20) therefor. The lower ends of the springs (18,20) are attached to the suspension means (18) and the upper ends of the springs (36) are attached to the attachment means (16) so that downward forces on the ring set (10,12,14,16) causes the springs (36) to compress.
The springs (36) are precompressed so that they only displace for downward forces in excess of a threshold, such as thrice the gymnast's body weight. The spring precompression also limits the available spring displacement in a desirable manner.

REFERENCES:
patent: 481384 (1892-08-01), Barber
patent: 965838 (1910-07-01), Sanborn
patent: 1425433 (1922-08-01), Zook
patent: 2488534 (1949-11-01), Hagerman
patent: 2620188 (1952-12-01), Malagio
patent: 3058744 (1962-10-01), McGuire
patent: 3521848 (1970-07-01), Aase
patent: 3552695 (1971-01-01), Liesegang
patent: 3972238 (1976-08-01), Thatcher
patent: 4480832 (1984-11-01), Bulmash et al.

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