US1005517A - Fuse. - Google Patents

Fuse. Download PDF

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Publication number
US1005517A
US1005517A US59383910A US1910593839A US1005517A US 1005517 A US1005517 A US 1005517A US 59383910 A US59383910 A US 59383910A US 1910593839 A US1910593839 A US 1910593839A US 1005517 A US1005517 A US 1005517A
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Prior art keywords
fuse
shell
partition
opening
bar
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Expired - Lifetime
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US59383910A
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Albert F Daum
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Individual
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/0411Miniature fuses
    • H01H85/0415Miniature fuses cartridge type
    • H01H85/0417Miniature fuses cartridge type with parallel side contacts

Definitions

  • VVAnotifierolojeet of the invention is to pro- ⁇ videe 'cartridge fuse in which the fuse'will' zoQbefnormslly retained .under tension, Wherefhyfeu ⁇ We@leaning"of:ythe fuse due to en eh-v norrnei voltage ivli immediately cause thel New eert.' i; I l* Affiurth'e'r4 .object 'of thefinvention is 'toi zsprovidehsiinple and edective Ineens "for reftnining the tu se of ai cart-ridge under tension and indicating when the fuse has beeny ⁇ burned out. t 4l; n
  • a still further object of the invention is tohprovide .e cartridge fuse with two eom vpertinents which will' ohvinte the necessity l "of .using e non-combustible and insulation materiel Within the" cartridge fuse.
  • FIG. 3 is e cross sectional view of the fuse teken on the line III-Hl.' of Fig. 2, Fig. 4 i'sa similar View taken on the line V-IV of Fig. 2, Fig. 5 is a side elevation of e resilient Washer adapted to forni part of the fuse, Fig. 6 is s front elevation of the seine, Fig. 7 is en end View of e detached cap, and Fig. 8 is :i plsu df a portion of the Juse3
  • a fuse in accordance With'this invention comprises s cylindrical shell or section of Appiicationieovemher 2 vil and l2 in thefsh'el lThe fuse extends-'ihr of the partition or iveh- 9. ⁇
  • oep 4- is providedivith ,shields 'wherehy the cartridge fuse een he ,used in connection with e knife' siiiteh orhlzideeonteet; Lozsted Within the shell l "is noncoinhustihle and insulation materiel" 7,", es soapstone, chalk, ⁇ asbestos; etegpnd extending through the Y materiel' 'Tere e? plurality of strands o'i' wire 8 Wound' together ⁇ to constitute e Jfuse.
  • the fuse extends through ev longitudinal opening G provided tl'eretor inveu partition or weh 9 arranged'intermediate the ends-of the shell l, seid 'pnrtitionfor Wehdividing the shell intoA tire "compartments l
  • One Well-ofthe opening' 13 is .norintilly held yin* engagement with the fuse/,Shy ewnt compression spring fend thereofbem'ing upon the i youter end ottheha'r ⁇ Mend the opposite end having' one' thereof secured, :is et ⁇ i6 to the'sh l. .
  • compression springl is provided with en opening i7, and extending throughssid opening is n screw 11Sl detaehehly mounted in the shell il, said-'screw having the outer end thereofy provided With-ashead'l) to engage the compression spring 15 and limit the outward movement 'otsziid spring. ⁇ I Arranged sgmnstfthe ends ofthe shell 1 within?
  • the resiliency of the washers 20 is adapted to hold the ends of the strands of Wire composing' the fuse, whereby the fuse will he retained in a taut position within the non-combustible and insulation materiel 7 l
  • the bnr 14 and the compression spring 15 constitute means whereby the burning out of the fuse een he readily detected Without removing the oeps thereof, and when seid fuse does burn out, the tension of the Het lSpeciestionof Letters Estant.
  • v l Pajggd ⁇ (Mgt- 1Q, 191i,
  • a partition ar' ranged intermediate the ends of said shell and dividing said shell into two compartments, saidpartition having a lateral opening alining with openings in said shell, said partition vhaving a longitudinal opening ⁇ termed therein, a bar movably mounted in the openings of said partition and said shell and projecting beyond the latter, said bar having an opening formed therein adapted to aline with the openings of said partition, a fuse extending through the openingsv of said partition and said bar, means for holding theends of said fuse, caps detaehaloly mounted upon the ends of said shell, and means carried by and exteriorly of said shell, and engaging the projecting portion of the bar for normally holding the latter in engagement with said fuse.
  • a cartridge fuse the combination with a shell of non-conductive material, of a partition arranged intermediate the ends ot said shell and having a lateral opening alining with the openings in said shell, said partition having a longitudinal opening formed therein, a flat liar movably mounted in the openings ot said partition and said shell and projefrting beyond the latter, said liar havingan opening formed therein adapted to aline with the longitudinal opening of said partition, a fuse extending through the openings of said partition and said bar, i'ueans tor holding the ends of said fuse, caps detaehably ends of said shell., means carried by and arranged exteriorly of said shell and engaging the projecting portion of the bar to normally h old said bar in engagement with said fuse, and means adjustable in said shell and adapted to regulate the last mentioned means.
  • a cartridge fuse including a shell of non-conductive material, a partition arranged intermediate the ends of said shell and infr,
  • said shell having its wall Yprovided with a pair of openings registerin with the ends of the opening in the partition, said partition 'further provided with a centrallydisposed longitudinally extending opening communicating with said lateral opening, a
  • said bar having an opening formedtherein adapted to aline witlf' the said longitudinal opening, a fuse extending through said longitudinal opening and the opening of the bar, and means carried by the exterior of the shell and engaging the project-ing portion of the bar for normally holding the latter in engagement with the fuse.
  • a cartridge fuse including a shell of non-conductive material, a partition arranged intermediate the ends of said 'shell and formed with a laterally-disposed opening, said shell having its wall provided with a pair of openings registering with the ends of the openingrin the partition, said partition further provided with a centrallydisposed longitudinally extending opening communicating #Vith said lateral opening, a bar movably-munted in the openings of said partition and shell and projecting from the latter, said bar having an opening formed thereinadapted to aline with the said longitudinal opening, a fuse exftending through said longitudinal opening and the opening of the bar, and resilient means earried by the shell exteriorly thereof and engaging the proj .cting portion of the bar for holding the latter in engagement with the fuse, and means for adjusting the tension of said resilient means.

Description

A. F. DAUM.
FUSE.
APPLICATION FILED Nov. za, 1910.
.Un'rrnn eterne y infinit,
Pnrnrii? 'ofFICE; f
, FUSE Loodsen 3.0.;- l i v No; "9615716," 'rgrsnted June lli? i Be des having the szineohjeets in view as y recited ininyprir patent, the present fin- 'Ventin has tonite object to provide e fusethat is more durable, "sensitivej and more readily adjusted for'dierent voltage.'
VVAnotifierolojeet of the invention is to pro-` videe 'cartridge fuse in which the fuse'will' zoQbefnormslly retained .under tension, Wherefhyfeu `We@leaning"of:ythe fuse due to en eh-v norrnei voltage ivli immediately cause thel New eert.' i; I l* Affiurth'e'r4 .object 'of thefinvention is 'toi zsprovidehsiinple and edective Ineens "for reftnining the tu se of ai cart-ridge under tension and indicating when the fuse has beeny` burned out. t 4l; n
` l A still further object of the invention is tohprovide .e cartridge fuse with two eom vpertinents which will' ohvinte the necessity l "of .using e non-combustible and insulation materiel Within the" cartridge fuse. v` "I attain 'the shove objects hy ameehs-n'icel construction thntnill be he'reinzitter specifi- "callydescribed `n1id"thenclaimed, and retf ereneeivill now be hed to the'dreiving forining s 'part of this spe'cieetiom wherein there trated -i r i invention'fg" the stigueti hl'e tol' such 'chain of the appended el 'in H In the drawing' t-igl e' l4 1 tion of the fuse, Fign 2 is n ongitudinal seeH tional View of the saine, Fig. 3 is e cross sectional view of the fuse teken on the line III-Hl.' of Fig. 2, Fig. 4 i'sa similar View taken on the line V-IV of Fig. 2, Fig. 5 is a side elevation of e resilient Washer adapted to forni part of the fuse, Fig. 6 is s front elevation of the seine, Fig. 7 is en end View of e detached cap, and Fig. 8 is :i plsu df a portion of the Juse3 A fuse in accordance With'this invention comprises s cylindrical shell or section of Appiicationieovemher 2 vil and l2 in thefsh'el lThe fuse extends-'ihr of the partition or iveh- 9.`
-posnL u y bent 'eut-weidly` and reiclmllyv disposed; es hest'slrmv'n 'in ,FigiI-i toengnge: the 'outer tubing `l runde of 'a suitable non-conductive material, and having the ends thereof screw threaded, 'afs et A2 Lto" receive caps 3 'and 4f, seid caps having the'wells thereof threaded to seres;7 upon the'ends of the shell i. ,ihe
oep 4- is providedivith ,shields 'wherehy the cartridge fuse een he ,used in connection with e knife' siiiteh orhlzideeonteet; Lozsted Within the shell l "is noncoinhustihle and insulation materiel" 7,", es soapstone, chalk,`asbestos; etegpnd extending through the Y materiel' 'Tere e? plurality of strands o'i' wire 8 Wound' together` to constitute e Jfuse. The fuse extends through ev longitudinal opening G provided tl'eretor inveu partition or weh 9 arranged'intermediate the ends-of the shell l, seid 'pnrtitionfor Wehdividing the shell intoA tire "compartments l The peu slining With diaine elly `opposed openings ough en opening 13 provided therefor in e :fiat bnr lierrenged inthe openings lO-end ll,.the `open.ing 13 registering with ft elon'gitudingil opening@ One Well-ofthe opening' 13 is .norintilly held yin* engagement with the fuse/,Shy ewnt compression spring fend thereofbem'ing upon the i youter end ottheha'r` Mend the opposite end having' one' thereof secured, :is et` i6 to the'sh l. .The
compression springl isprovided with en opening i7, and extending throughssid opening is n screw 11Sl detaehehly mounted in the shell il, said-'screw having the outer end thereofy provided With-ashead'l) to engage the compression spring 15 and limit the outward movement 'otsziid spring.` I Arranged sgmnstfthe ends ofthe shell 1 within? tjhe `r`rcups-*3' 'ind .t t ere (lished slit-ted washers QOheVing/centrul openings 21 to' reieiVeT efends of the fuse 8,: theivire coin- 4snidffi'use having the-ends `thereof sides of the washers 20. The resiliency of the washers 20 is adapted to hold the ends of the strands of Wire composing' the fuse, whereby the fuse will he retained in a taut position within the non-combustible and insulation materiel 7 l The bnr 14 and the compression spring 15 constitute means whereby the burning out of the fuse een he readily detected Without removing the oeps thereof, and when seid fuse does burn out, the tension of the Het lSpeciestionof Letters Estant. v l Pajggd `(Mgt- 1Q, 191i,
ei 1910.2 serial-Nc. seems.
compression sprin '15 forces bar 14 inwardly, thereby indicating that the fuse has been severed.
Since the fuse will be held under tension Aby the spring pressed bar 14, a weakening same can be fixed therein by bending the.
ends ot the Wires into'engagement with the Washers and replacing the'caps 3 and 4.
lVhat I rilairn is f 1. In av cartridge fuse, the combination with a shell of non-'conductive material, and
insulation/filling the shell, a partition ar' ranged intermediate the ends of said shell and dividing said shell into two compartments, saidpartition having a lateral opening alining with openings in said shell, said partition vhaving a longitudinal opening `termed therein, a bar movably mounted in the openings of said partition and said shell and projecting beyond the latter, said bar having an opening formed therein adapted to aline with the openings of said partition, a fuse extending through the openingsv of said partition and said bar, means for holding theends of said fuse, caps detaehaloly mounted upon the ends of said shell, and means carried by and exteriorly of said shell, and engaging the projecting portion of the bar for normally holding the latter in engagement with said fuse.
2. ln a cartridge fuse, the combination with a shell of non-conductive material, of a partition arranged intermediate the ends ot said shell and having a lateral opening alining with the openings in said shell, said partition having a longitudinal opening formed therein, a flat liar movably mounted in the openings ot said partition and said shell and projefrting beyond the latter, said liar havingan opening formed therein adapted to aline with the longitudinal opening of said partition, a fuse extending through the openings of said partition and said bar, i'ueans tor holding the ends of said fuse, caps detaehably ends of said shell., means carried by and arranged exteriorly of said shell and engaging the projecting portion of the bar to normally h old said bar in engagement with said fuse, and means adjustable in said shell and adapted to regulate the last mentioned means.
8. A cartridge fuse including a shell of non-conductive material, a partition arranged intermediate the ends of said shell and infr,
said shell having its wall Yprovided with a pair of openings registerin with the ends of the opening in the partition, said partition 'further provided with a centrallydisposed longitudinally extending opening communicating with said lateral opening, a
rhar movahly-mounted in the openingsof said partition and shell and projecting from the latter, said bar having an opening formedtherein adapted to aline witlf' the said longitudinal opening, a fuse extending through said longitudinal opening and the opening of the bar, and means carried by the exterior of the shell and engaging the project-ing portion of the bar for normally holding the latter in engagement with the fuse.
4. .A cartridge fuse including a shell of non-conductive material, a partition arranged intermediate the ends of said 'shell and formed with a laterally-disposed opening, said shell having its wall provided with a pair of openings registering with the ends of the openingrin the partition, said partition further provided with a centrallydisposed longitudinally extending opening communicating #Vith said lateral opening, a bar movably-munted in the openings of said partition and shell and projecting from the latter, said bar having an opening formed thereinadapted to aline with the said longitudinal opening, a fuse exftending through said longitudinal opening and the opening of the bar, and resilient means earried by the shell exteriorly thereof and engaging the proj .cting portion of the bar for holding the latter in engagement with the fuse, and means for adjusting the tension of said resilient means. t
ln testimony whereof lvailix my signature in the presence of two witnesses.
ALBERT F. DAUM.
lVitnesses: i
MAX l-l. SRoLovirz, E. A, Starten.
formed with a laterally-disposed open-- mounted upon the i
US59383910A 1910-11-23 1910-11-23 Fuse. Expired - Lifetime US1005517A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481239A (en) * 1994-08-05 1996-01-02 Burndy Corporation Limiter indicator
US20050122203A1 (en) * 2003-12-09 2005-06-09 Jur Arthur J. Fuse barrier and power circuit employing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481239A (en) * 1994-08-05 1996-01-02 Burndy Corporation Limiter indicator
US20050122203A1 (en) * 2003-12-09 2005-06-09 Jur Arthur J. Fuse barrier and power circuit employing the same
US6995648B2 (en) * 2003-12-09 2006-02-07 Eaton Corporation Fuse barrier and power circuit employing the same

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