US1092333A - Refillable fuse. - Google Patents

Description

F. D. BRYAN.

REFILLABLE FUSE.

APPLIGATION FILED AUG. 27. 191s.

Patented Apr. 7, 1914 FRANK D. BRYAN, 0F MIDDLE'TOWN, PENNSYLVANIA.

A REFILLABLE FUSE.

Specification of .Letters Patent.

y ,Application filed August 27;, 19.13. Serial No. '786,99

To all fio/mm it may concern Be it known that I, F RANK D. BRYAN, a citizen of the United States, residing at Middletown, in the county of Dauphin, State of Pennsylvania, have invent-ed certain new and useful Improvements in of' the invention, such as will enable others skilled ln the art to which it appertains to make and use the same.

This-'invention relates to improvements in electrical fuses;

The'principalobject of the invent-ion is to provide a simple device of this character "wherein the fuse strips can be replaced.

Otherl objects reside in the peculiar construction and f arrangement. of the various parts of the `iuse holden In t-he'drawings: Figure 1 is an elevation of my fuse holder. F ig. 2 is an end view. Fig. 3 is `a vertical longitudinal sectional view on the line 3-3 of Fig. A1. Fig. l1 is a transverse sectional view on 'the line 4-4 of Fig.- 1, looking in the direction of the arrows. Fig. 5 is an'end view of the device with the end can removed. Fig. 6 is a perspective viewo one of the end sleeves.

" Referring particularly to the accompany- .ing drawings, 10 represents a hollow open endedtube of insulated material at each end of'which are`formed diametrically opposite threaded holes 1l. Embracing each end of `the tubeV is a sleeve 12, this sleeve carrying a pair of screws 134-for engagement in the openings 11 to hold the sleeve to the tube. The sleeve is bent on itself atA the outer end as indicated at 14. At two diametrically opposite points, the doubled end is extended inwardly as indicated at 15 to form ears. Each of these ears is formed with a thrcaded opening 16. A disk 17 is disposed within the doubled end of the sleeve and has at two diametrically opposite points the lugs 18 which fit within the spaces of the doubled portion. The fuses 19 have their opposite ends bent at right angles and'bifurcated as indicated at 20, these ends being engaged on the ears 15 and straddling the screws 21 carried by the disk 1'7. These screws are en- ,K Refillable. Fui-ies; and I- .do hereby declare the follow- .ing to be avfull, clear, and exact description gaged through the before mentioned yopenings 16 and tightly clamp the bifurcated ends of the fuses between the ears 15 and the disk 17. In the central portion ofeach or" the disks 17 is formed a slot 22 within which is soldered or otherwise secured van attaching ear 23. One of theseea-rs 23 has a slot opening through the end thereof, while the other one has a slot opening through the side. These ears 23 are for engagement with thel usual binding screws, as will be readily understood. In the central portion of each of the fuses 19 is formed a transverse opening 24 Whichlinsnres the separation ,of the fuse at the center when `the same burns out. Y

The description of one end of `the `fuse holder will serve for the other end,jas the parts at the .other end are identical yin construction with the end described'fwith the exception of the ears 23, which have aiready been distinguished. 3

It will of course be understoodthat the interior of the tube is lled with some fire-` proof material as asbestosor the like as isd the custom with devices of this class'.

Frein the foregoing, it will readily be seen Athat I have provided a simple and chea `de-v the J vice of this character and one in whic fuse may be quickly and easily replaced when burnt out. It will be understoodthat by4 loosening the screws 21 and removing the disks 17, that the fuse strips 19 may be quickly withdrawn, as there will be no ob'- struction or lateral projection'on the inner broken ends of the'strips to prevent easy withdrawal thereof.

What is claimed is In a fuse holder, an insulated tube, a sleeve detachably secured .on each end of the tube and embracing said tube, thefouter end portion of each of the sleeves projecting beyond the end of the tube and having portions arranged at diametrically opposite points bent. inwardly and transversely to form ears which engage the ends of the tube, said bent portions leaving diametricallyopposite openings in the projecting port-ions of the sleeves, fuse strips having-openings formed centrally therethrough approxilatented Apr. 7, 1914.,

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:ingubfm'caed ands @if the fusv wups und through 10 the ears Qi the sleevfs.

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