Thermal fuse for fixing on a circuit board

Details Thermal fuse for fixing on a circuit board Thermal fuse for fixing on a circuit board

1998-04-10

1999-04-20

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337401, 337405, H01H 3776, H01H 8536

Patent

active

058960805

ABSTRACT:
A thermal fuse includes a resilient coil portion with a turn of at least 360.degree.. Two spring arms have two upper portions connected to and integrally formed with two ends of the coil portion, and two lower portions extending from the upper portions and formed with two contact locations for connection to two circuit contacts of the circuit board. At least one of the contact locations is to be soldered on the circuit board. During the connection of the contact locations to the circuit contacts, the lower portions are kept in a tensed state by moving the contact locations toward each other so as to generate a biasing force to bias the lower portions away from each other.

REFERENCES:
patent: 645599 (1900-03-01), Law
patent: 4433231 (1984-02-01), Balchunas
patent: 5280262 (1994-01-01), Fischer
patent: 5358798 (1994-10-01), Kleinert, III et al.
patent: 5612662 (1997-03-01), Dremeier et al.

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