Static free magnetic holding and release means

Details Static free magnetic holding and release means Static free magnetic holding and release means

1976-10-12

1977-10-11

Ruehl, Charles A.

Measuring and testing

Testing by impact or shock

Specimen impactor detail

G01N 330

Patent

active

040528839

ABSTRACT:
A static free permanent magnet holding and release means for use in various machines, such as a seat belt testing machine. The permanent magnet means is operable between an energized condition and a deenergized condition. A preloaded holding means is movable to a first position in engagement with said permanent magnet means for a holding engagement with the permanent magnet means when it is in an energized condition, and movable to a second position by the preload thereon when the permanent magnet means is in a de-energized position for releasing the holding means.

REFERENCES:
patent: 2243616 (1941-05-01), Bing et al.
patent: 2662392 (1953-12-01), Sullivan
patent: 2740286 (1956-04-01), DeVost et al.
patent: 2953030 (1960-09-01), Replogle et al.
patent: 3452310 (1969-06-01), Israelson
R. W. Armstrong - "NBS Dynamic Seat Belt Tester" -Proc. 10th Stapp Car Crash Conf., 6571st, Aeromedical Research Lab., Alamogordo, N. Mex., Nov. 8-9, 1966, pp. 38-45.

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