Closure fasteners – Magnetic
Patent
1979-05-30
1981-02-10
Moore, Richard E.
Closure fasteners
Magnetic
292332, 292DIG4, E05C 1756
Patent
active
042497612
ABSTRACT:
A locking assembly for doors and the like having a ring in a predetermined position in a cylindrical body so as to be rotatable in the circumferential direction. Projections are provided on the inner peripheral face of the ring. A sliding rod is fitted into the body so as to be slidable in the axial direction and has a concave groove on the peripheral face thereof. Serriform guides are provided on the opposite walls of the groove, the positions of the apexes of the guides being off set from each other. Axial slide grooves on the surface of the rod communicate with the trough of one of the guides at one end and are closed at the other end. The projections on the ring are fitted into the grooves and a magnet is mounted on the opposite end of the sliding rod from the slide grooves. A spring urges the sliding rod toward the magnet.
REFERENCES:
patent: 2497425 (1950-02-01), Terry
patent: 3862773 (1975-01-01), Bishing
patent: 3934909 (1976-01-01), VanNatter
Futaba Kinzoku Kogyo Kabushiki Kaisha
Moore Richard E.
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