Bat swing practice means

Details Bat swing practice means Bat swing practice means

1985-08-08

1987-01-06

Pinkham, Richard C.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

272124, 273186A, 273194B, A63B 6936

Patent

active

046341218

ABSTRACT:
A bat swing practice device comprising a shaft body having a predetermined length to be swung, a weight axially slidably put on the shaft body, and structure for engaging and disengaging the weight with and from the shaft body, the structure including a plurality of engagement holes formed in the shaft body at intervals and an engagement projection on the weight, the projection adapted to be resiliently engaged with and disengaged from any one of the engagement holes in the shaft body.

REFERENCES:
patent: 1418401 (1922-06-01), Schmidt
patent: 3136546 (1964-06-01), Connolly
patent: 3342489 (1967-09-01), Waldo
patent: 3502329 (1970-03-01), Brazier
patent: 4027886 (1977-06-01), Katsube
patent: 4029312 (1977-06-01), Wright
patent: 4377125 (1983-03-01), Westfall

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