Handling: hand and hoist-line implements – Magnet
Patent
1984-12-17
1986-11-04
Cherry, Johnny D.
Handling: hand and hoist-line implements
Magnet
273148R, A63F 900, B66C 104
Patent
active
046207392
ABSTRACT:
A bingo chip retrieving device including a molded cylindrical casing having a bottom wall and an open top, a cover closing the open top of the casing and having a cylindrical guide tube, a plunger mounted for reciprocal motion in the guide tube, a magnet mounted on the end of the plunger in the casing for attracting magnetically attractable chips against the bottom wall, and a spring connecting the guide tube to the plunger for biasing the magnet away from the bottom wall to release the chips from the magnetic force of the magnet.
REFERENCES:
patent: 2417762 (1947-03-01), Koller
patent: 2733948 (1956-02-01), Russell
patent: 2733949 (1956-02-01), Russell
patent: 2947563 (1960-08-01), Stitt
patent: 2970002 (1961-01-01), Liviano
patent: 2970003 (1961-01-01), Heath et al.
patent: 2976075 (1961-03-01), Budreck
patent: 3771084 (1973-11-01), Thon
Barry Ronald E.
Cherry Johnny D.
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