Back to results
US 4,722,701 AGranted
Fuse block for miniature plug-in blade-type fuse
AssigneeTodd Engineering Sales, Inc.
InventorDouglas H. Bradt
Life of this patent
Estimating the term…
Abstract
A fuse block for miniature plug-in blade-type fuses comprising a multi-position bussed fuse holder and a plurality of single-connect fuse holders held within a block comprising a floor and a cage. The fuse block features individual terminal boxes for connecting wires to the single-connect fuse holders. The fuse block is expandable by adding one or more floor extensions, additional single-connect fuse holders, a longer bussed fuse holder, and one or more additional cages.
Claims11
A fuse block comprising
- a floor comprising
- a floor base,
- a first floor side attached to a first side of said floor base,
- a second floor side attached to a second side of said floor base, and
- a plurality of fuse holder positioning members attached to said floor base;
- a multi-position bussed fuse holder, inserted between a pair of said fuse holder positioning members of said floor, comprising
- a bus bar, and
- a plurality of fuse holders, each comprising
- a first and second fuse holder arm, attached to said bus bar, having an exterior side indentation and an interior side indentation,
- a contact point attached near the end on the interior of said first fuse holder arm, and
- a contact point attached near the end on the interior of said second fuse holder arm;
- a plurality of single-connect fuse holders, insulated from each other, held in proximity to a fuse holder positioning member of said floor, comprising
- a fuse holder base,
- means of attaching a wire to said fuse holder base,
- a first torsion arm attached to said fuse holder base near a first corner of a first edge of said fuse holder base,
- a second torsion arm attached to said fuse holder base near a second corner of said first edge of said fuse holder base in an approximately parallel configuration to said first torsion arm,
- a first fuse holder arm attached to said first torsion arm,
- a second fuse holder arm attached to said second torsion arm,
- a contact point attached near the end on the interior of said first fuse holder arm, and
- a contact point attached near the end on the interior of said second fuse holder arm;
- and
- a cage, attached to said floor, comprising
- a cage top having a plurality of openings,
- a plurality of fuse holder positioning members attached to the bottom surface of said cage top in pairs in proximity to said openings in said cage top,
- a first and second cage end attached to said cage top,
- a first and second upper cage side attached to said cage top and said cage ends,
- a first and second lower cage side attached to said cage ends, and
- a terminal box partition attached to said upper cage side and said lower cage side.
25 more elements
A fuse block comprising
- a floor comprising
- a floor base having a mounting hole,
- a first and second floor side attached to a first side of said floor base,
- a third and fourth floor side attached to a second side of said floor base,
- a first, second, third and fourth tab attached respectively to the exterior of said first, second, third and fourth floor sides,
- a first main terminal platform attached to said floor base between said first and second sides,
- a second main terminal platform attached to said floor base between said third and said fourth floor sides, and
- a plurality of wall-like fuse holder positioning members attached to said floor base in sets of pairs of members aligned approximately parallel to a floor side;
- a multi-position bussed fuse holder, inserted between a pair of said fuse holder positioning members of said floor, comprising
- a bus bar,
- a plurality of fuse holders, each comprising
- a first and second fuse holder arm, attached to said bus bar, having an exterior side indentation and an interior side indentation,
- a contact point attached near the end on the interior of said first fuse holder arm, and
- a contact point attached near the end on the interior of said second fuse holder arm, and
- a bus connect member attached to the bus bar in a configuration approximately perpendicular to said fuse holders;
- a main terminal lug attached to said bus connect member and held in proximity to a main terminal platform of said floor;
- a plurality of single-connect fuse holders, held in proximity to a fuse holder positioning member of said floor, comprising
- a fuse holder base,
- a captive screw attached to said fuse holder base,
- a floating captive washer attached to said captive screw,
- a first torsion arm attached to said fuse holder base near a first corner of a first edge of said fuse holder base,
- a second torsion arm attached to said fuse holder base near a second corner of said first edge of said fuse holder base in an approximately parallel configuration to said first torsion arm,
- a first fuse holder arm attached to said first torsion arm,
- a second fuse holder arm attached to said second torsion arm,
- a contact point attached near the end on the interior of said first fuse holder arm, and
- a contact point attached near the end on the interior of said second fuse holder arm;
- and
- a cage, attached to said floor, comprising
- a cage top having a plurality of beveled, rectangular, openings of approximately equal size arranged in pairs with the short sides of the rectangular openings adjacent,
- a plurality of U-shaped fuse holder positioning members attached to the bottom surface of said cage top in pairs in proximity to said openings in said cage top,
- a first and second cage end attached to said cage top,
- a first and second upper cage side attached to said cage top and said cage ends,
- a first and second lower cage side attached to said cage ends,
- a terminal box partition attached to said upper cage side and said lower cage side, and
- a first and second tab attached respectively to said first and second lower cage side and engaging said corresponding tab of said floor side.
32 more elements
Dependencies are inferred from the claim text.