Drogue for sport bats and clubs

Details Drogue for sport bats and clubs Drogue for sport bats and clubs

1996-03-08

1998-09-08

Graham, Mark S.

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

473457, 473228, 244142, A63B 6900

Patent

active

058038388

ABSTRACT:
A drogue chute for increasing aerodynamic resistance against the movement of a swinging sport implement such as a bat, racket or club. The drogue includes a canopy that attaches to the sport implement by suspension lines. When the sport implement is swinging, the canopy inflates to create a relatively high aerodynamic drag. The drogue may also include a break-away fastener. When the fastener is connected, the canopy is reefed so that the drogue provides relative little aerodynamic drag to the sport implement. When the sport implement reaches a sufficient speed, the fastener disconnects allowing the canopy to inflate thereby providing a sudden increase in aerodynamic resistance.

REFERENCES:
patent: 3416803 (1968-12-01), Batista
patent: 4907800 (1990-03-01), Passamaneck et al.
patent: 5207625 (1993-05-01), White
Statement of Troy Loney, dated 4 Dec. 1996.

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