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Many discrete wiring applications throughout the electrical and electronics industry have the necessity for a fused circuit.
Motorola Inc. July 1991
English (United States)
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0 M MOmOLA
INC. Technical Developments Volume 13 July 1991
PRESS-ON FUSEHOLDER WITHOUT THE NEED FOR WIRE PREPARATION
by David M. Dickirson and Michael J. Kramer
Many discrete wiring applications throughout the
electrical and electronics industry have the necessity for a fused circuit.
This circuit is usually accomplished by the addi- tion of a fuseholder and fuse combination. Existing fuseholders are added after the wire is severed and the ends are stripped for crimping or soldering. Assembly time for the addition of the fuseholder is therefore lengthy because of the number of operations as well as the relatively high number of parts handled.
The fuseholder in this invention requires no wire preparation or tools to be utilized in its addition to a discrete wire.
This new solution to fusing a circuit consists of two molded plastic halves connected by a living hinge. One half will possess molded-in features to cradle the fuse along with contacts for either end of the fuse. The metal formed contacts will also displace the insu- lation of the wire and establish contact with the con- ductor when the two halves are closed. The other half of the holder will have a specially designed blade to sever the wire and therefore require the current to be routed through the fuse via the contacts mentioned above. Designs for both, axial/femde and AT0 fuses are considered and shown in the Figures below.
i ATC FUSE
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