Selector fuse

Details Selector fuse Selector fuse

1980-02-15

1982-02-16

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337259, H01H 8522

Patent

active

043161707

ABSTRACT:
A selector fuse to be used in an ordinary fuse socket, having a cup-shape body with an exterior screw threaded sheath thereon. A plurality of (3) contact fuse members in the interior are connected with the sheath. A rotatable shaft has a contact finger engaging the fuse members successively upon rotation of the shaft. The fuse members are spring biased radially inwardly, and yieldingly maintain engagement with the finger, and have detent formations yieldingly holding the shaft in set position. Additionally, the fuse members are so shaped as to block reverse rotation of the shaft. The fuse members may be of different, or the same, fusing values, as desired.

REFERENCES:
patent: 1505464 (1924-08-01), Horner
patent: 1994895 (1935-03-01), Moss
patent: 2284600 (1942-05-01), Altschule
patent: 2650968 (1953-09-01), Wilson

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