US301030A - Bdwaed weston - Google Patents
Bdwaed weston Download PDFInfo
- Publication number
- US301030A US301030A US301030DA US301030A US 301030 A US301030 A US 301030A US 301030D A US301030D A US 301030DA US 301030 A US301030 A US 301030A
- Authority
- US
- United States
- Prior art keywords
- strip
- safety
- bdwaed
- weston
- slots
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 6
- 230000001066 destructive Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
Definitions
- the number of slots for a safety-strip of composed of an alloy that fuses at a comparagiven size may be arbitrary, though I prefer tively low temperature. It has been my practo divide, by the slots, a strip into a certain 15 tice to make these strips of different sizes, number of sections, each capable of carrying each size conforming to a given standard and a given current, so that a person can tell at a designed for insertion in a circuit or branch glance in' what circuit or branch a strip with IllSVlllOh a certain number or kind of devices a given number of slots or sections belongs. is included. For circuits through which very The slots or insulating divisions may, as
- Fig. 2 a Vertical section on line a a, '2.
- the safety strip or plate A composed of Fig. 1.
- Fig. 3 is a plan View of the safetya fusible metal or alloy, and containing the strip detached. parallel slots E, as herein set forth.
Description
(No Model.)
1?..W-EST0'1I. SAFETY STRIP FOR ELECTRIC CIRCUITS.
No. 301,030. Patented'Juhe 2 4, 1884.
frwerztof;
* .UNITED STATES PATENT OFFICE.
EDI/VARD W'ESTON, OF NEWVARK, NEW JERSEY, ASSIGNOR TO THE UNITED STATES ELECTRIC LIGHTING COMPANY, OF NEIV YORK, N. Y.
SAFETY-STRIP FOR ELECTRIC CIRCUITS.
SPECIFICATION forming part of Letters Patent No. 301,030, dated June 24, 1884.
Application filed February 1, 1884. (N model.)
To all whom, it may concern: inserted in the circuit by placing its edges un- Be it known thatI, EDWARD WVEsToN, asubder metal clamping-plates B 13, forming the j ect of the Queen of Great Britain, and a resiterminals of a severed circuit, the conductors dent of Newark, in the county of Essex and C C of which are here shown for illustration,
State of New Jersey, have invented certain contained in the grooves of a board, slat, or new and useful Improvements in Safety-Strips holder D. for Electric Circuits, of which the following is In the strip are formed, at any stage in a specification, reference being had to the their manufacture, and in any way preferred, drawings accompanying and forming a part insulating divisions E E, which, by prefer- [0 of the same. ence, are parallel slots extending nearly across In a former patent granted to me, I have the strip.
described safety-strips for electric circuits The number of slots for a safety-strip of composed of an alloy that fuses at a comparagiven size may be arbitrary, though I prefer tively low temperature. It has been my practo divide, by the slots, a strip into a certain 15 tice to make these strips of different sizes, number of sections, each capable of carrying each size conforming to a given standard and a given current, so that a person can tell at a designed for insertion in a circuit or branch glance in' what circuit or branch a strip with IllSVlllOh a certain number or kind of devices a given number of slots or sections belongs. is included. For circuits through which very The slots or insulating divisions may, as
2o strong currents are passed, the size of the abovestated, be made or formed in any way safety-strip is necessarily large, and should desired. they be fused by an excess in the flow of cur- I have shown herein a device for holding rent a sudden rupture of the circuit is prothe conductors, and means for connecting the duced that is preceded by a flash or discharge conductors with the safety-strips. These de- 2 5 often destructive in its effects. My object is vices are not claimed herein, as they form the mainly to avoid this, and for this purpose I subject of other applications for Letters Patmake safety strips or plates with slots or dicut. 7 visions across them, by which means the strips I am aware that a number of independent are divided into a number of sections, so that safety-strips have been connected in multiple 0 on fusing, the whole'strip will not melt at are with one of the conductors of an electric once, but will go gradually, one section fusing circuit, and this I do not claim, broadly. after another. What I claim is In the drawings hereto annexed Figure 1 is 1. A safety strip or plate of fusible metal,
a plan View of a safety strip made in accordcontaining slots or insulating divisions, as
5 ance with my invention, and a holder for the herein set forth. same; Fig. 2, a Vertical section on line a a, '2. The safety strip or plate A, composed of Fig. 1. Fig. 3 is a plan View of the safetya fusible metal or alloy, and containing the strip detached. parallel slots E, as herein set forth.
A designates the safety-strip. It is to be In testimony whereof I have hereunto set 0 made of any metal readily fused, but prefermy hand this 19th day of January, 1884.
ably of the composition or alloy described by me in Patent No. 259,614. The size or cross- EDVARD section of the strip will vary according to the Witnesses: purpose to which it is to be applied, or the W. FRISBY,
5 current which it is designed to carry. It is H. D. HARTLEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US301030A true US301030A (en) | 1884-06-24 |
Family
ID=2370205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US301030D Expired - Lifetime US301030A (en) | Bdwaed weston |
Country Status (1)
Country | Link |
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US (1) | US301030A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734112A (en) * | 1956-02-07 | kozacka | ||
US3256412A (en) * | 1961-03-15 | 1966-06-14 | B J Man Corp | Rapid acting fuse |
-
0
- US US301030D patent/US301030A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734112A (en) * | 1956-02-07 | kozacka | ||
US3256412A (en) * | 1961-03-15 | 1966-06-14 | B J Man Corp | Rapid acting fuse |
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