US936584A - Electric-circuit controller and interrupter. - Google Patents

Description

. .c. A. TUCKER. ELECTR IG CIRCUIT GQNTROLLBR AND INTBRBUPTEE:

APPLICATION FILED JAILS. 1906. 1 S

Patented Oct. 12, 1909.

INVENTOR WITNESSES:

ww BY 2/1/ I I I ATTORNEY I G.'A. TUCKER. ELECTRIC CIRCUIT GONTROLLEB AND INTERRUP'IER.-

APPLICATION FILED Jun, 1906. 936 ,584, Patented Oct. 12, 1909. I a slung-sump: 2.

WITNESSES: I INVENTOR O. A. TUCKER..- ELECTRIG CIRCUIT CONTROLLER AND INTER RUPTER.

APPLIOATION FILED JANJ. 1906.

Patented Oct. 12, 1909.

- 3 SHEETS-SHEET INVENTOR board otrm'xs PA. TUCKEE oi 'zioeiweon PARK,

m s iims FAlEl lilf o i bii;

PENNSYIiVANIA, ASSIGNQR T WESTINGJ HOUSE {ELECTRIC & Memmscwvmim COMPANY, 1i: CORPQRATION o3 PENNsYL-j- $3fii i3 k i i =1 Application i Tddllwhohzifmay c0iwem.

--Be it known that I, CURTIS A. United Skates, and

TUCKER, a v clt zen of the of Edgewood-Pgrk, 1'11 "the c'ountyw f Allel I l lvania, have-i1? "improvement in aFncl "Interi'up is a specificacontrolling and i'ic circuiis and Wide :1 double dffof high VO-l- Electrio-Circuit Uontrollei s .tersyof which the following 7 *t lOI LU I 1' 1 My ixwention relates inieri'uptging means for elee iii has 'j'foi' its" object to thl oii switch that is ado 16 cii cuit control;- that. may be manually operated aiid'fha't aiitbmiifiically opens the ,ci iui t a ndre'iiders the' co; oller handle ini perative when excess'lye eleetric currents t 1 -;i 'i ei=se the circuits iiiiwhich' it is located, th isf'makingji't impossibl to holdthe switch closedfundg abnormalconditions. I l 'l nechaiiical an yanmg'e for frefi paiits j fi'om ii circuit posi- Isak in the cir- .y inconsider level to" close e eral, T

iembe'i's which f stationary 'ier which jche El to the exdogs which en- 'i ih'g lever and aiiclle levef' is eiating lever fr om i i cler' f i iti i of epg of sl i in ga'ge projections on' -the op'er J 1 og ithe stationary frame. I A not ir ajlly connected i'olhe 404ml; my bedijsengagedfc 1 ov load conditio is.

Fi e wi l-3 t drawings are, respectively; a f pgrfially'in cross section, a 1 a plsihbie'ufof acoi troll iinfiicbrdzincewith ime illustrated, is mounted upon a it chboarcl 3;- of ted lto such ccbii pa nyi ig ontelevatioii de elevation lHJ f. toihe difa iiii igs the circuit in t llfilptel J-,,C0inp1lst a ham 2 wh subsia it ally n ho 'ontal position when i ihe movable contact members lQjzincl ll '06- unte d upo'iifari{insiilting panel 3 and siippoits stationary contact members 559, movable contact membersvl hand 11. an

1 operating lei-er and l. a resident. l

ally mounted I is pivoted to lei-ml with which the y a, position iihlii iiy H tionar terminals land 5',"end8 and fciggi i -i iio Ewe dcmcvifi' NTRGLLER AND INTERRUETER.

Serial No. assess.-

inagiiei; 13. The stationery Contact 111cm hers l, 5, ,8 and 9 are sulaiing plate 1 and lIaliC--1i'le1!1b(51-- end current-marrying switch iiiembei's 1 which and connectors ill-that are plate. The arcing contact men'ibers coinprise pin terminals i8 which are iiiovably fitted into holes 19in the plate 14k and lire yam Emmet. 12, 19m}.

, an 0 ve floail 4 i'elcase l supported by an in- COlllPl'lSQ arcing 0on1 'extend below' ihe plate 1$ I surrounded by l isul-(iiimg buslmigs l?- and extend above the members by angle plates orstrips 20.: -Move-i innit of the pin terminals 18 is limited and controlled by the collars 21 and spri 1gs122 ihe latter of which SUTX OIiIKl the pin tei' ni-.

nals and are interposed betii'een the plate 14 i and th'ezcolla rs 2]. 5 i The "stationary cuii eni marrying switch iiieii'ibeishave coytiici' t-ei'iiiinals formed of flexible strips QSlhe lower ends of which are bent inwardly and upwardly to forn siibsunially V-sh2iperl recesses. The stationai'y Contact members 6 and "Z are simi hilly prov-iiled *ii'ithconnectors and bushings aboye the plate ll. but belowthe plate they Serve 'assiippoi'is for the II I-O VitblB'COHfHCt are pivota-lly meii'ibe'rs 10 and 11 which mounted thereon. The iovzible contact members are similar to each other and (1011 sistof flat V-shaped plates wliicliai'e pivot hear their veit-ices "iipon the stationary contact i'nci'nheis tzii e i i pu-iiil-lel planes. jmiiial blocks 24: ai'c'so attached to the arm's of the lilishapeel plates that they myefn ige lib?) st alioiiaiy contact terminals 235 i'llld contact strips 25] extend outwzutll Y from the Wedge blocks to engage the arcing terminal pins 18, the :i'ii'migeiiient of pails being s lih always broken {it the expins.

that the circuit. is tremities of these I action of the noiabl accoi iplishei'lby av link 26 one a bloek 27 of insulating lim- H Vshaped plates are p'rovidocl' aildihe oi'hei' cndoffwhich pivoted to the operatinglevel 12 having iiful cru'n slia ft '28. flheeonnectingli ilr 26 is of such lengtlijiha t' the opei'etii gleyer is sequent-1y, as the; lever is moved throughg p and 7 aiidio- Hollow edge t ne 'i' neinl'iei'slQ and 1 1 is end of which operatin are so in that .the operating will return to the mid centuated b from the ot e either directio the springs un be released from notches 33 and 35 only the oper and returned action of the release prises a statio able core m which may the switch occupies e closed positions, and The movable core the lower es. which extends tl ary core the lnov member 0 the handle lever may als the three posit which are acz'en 34 and 35, 'th

in a concave cy and are engaged by 37 is attached to a ro a tubular. ho is provided projects from latch is held in engagem the notches by a-spri tween the push button in the handle bor therefrom by suflicient p push button.

- The oper projection with a corr'espo are engaged by dogs 45 and 46, b0 mounted upon the g lever. T

terconnected by s a vertical bers will staone direction in ontact mem with one set of ls and, as it is moved posite dithe movte pair 0 the movable c to engagement 'lar angle in the op the central positio ngage the opposi be manually means hich is pivotally tremity by means nement with the ers being so constructed s formed when a l is forced through a bushty of the opbored handle ating lever 12 may der normal conditions, dle lever 29 w its inner ex that is in ali t one extremi to a hollow" it the otherlever.

o occupy any einbefore d tuated by thre located at eq lindrically curve with a push the end of the hen ating lever 1 43 and the frame nding projec two similar spring he spring act the handle lever rupter close osition, which is ac cessive currents traverse the circuit in which 34:, when released it is located since the automatic release mechr positions. since a motion in, anism effects the return of the movable conn from the mid der tension. The lever ositions corresponding to It will be observed that no current-ca button 40, or in arts are located on the face of -t e by the push Q be released switc board and the switch parts and the ating lever may to the mid ember 50, a I

in the circuit when struction may, of course, be made within the ither or both of .its scope of my invention.

djusting lever 52. I I claim as my invention: i ber 50 is attached to 1. The combination with a double-throw ty of a he d 53' switch, and an o erating handle therefor, of iro'ugh a holein member 49 and serves as a able member. member 50 is limited The motion 0 by a not 54 which is mined conditions.

the hammer rod 53 after the rod has been thrust through the hole in the stationary member. 1

Adjusting lever 52 is pivotally mounted upon a stationary shaft 55 and is forked at angle it is possible to determine the limit ,to which the core member 50 may be moved. The outer extremity of the'lever 52 extends through the switchboard 3 and a slotted dial 56 and is provided with a thumb screw 57 and an indicating finger by means of which the lever may be fixed at any desirable point along the slotted dial 56.'-The outer surface of the dial is cylin drically curved'concen- .41. interposed belever being so connected with the pin 31 by v 40 and a shoulder 42 a link 62 that the motion of the crank transbe withdrawn mitted by the hammer rod pulls the pin 31 ressure against the outofthehandle lever bore and releases the operating lever 12, which is 1 mediately re- 2 is provided with a turned to the mid osition. In order to 2 is provided again close the switc the latch BI-must ,be tion 4A, which released from its notch and thefindle lever actuated ret ur'ned to its mid position when the pm 31 th of which are rotatably reengages the hub 32 by reason of aspring fulcrum shaft 28 of the 63 which tends-to hold the bell crank lever le lever.

the sta-tiona pair of pivote spring-connected dogs for guide for automatically returning the movable contact f the member to its mid position under predeterone end to so engage thenut 54 on the rod. that by rotatin the lever through a small screw threaded on to the upper extremity of I trically with the sh'ait 55 and may be call- It. follows that brated in ainperes to indicate the position to one of which the lever should be set in order that ascribed the circuitmay be automatically interrupted e notches 33, by the action of the tripping mechanism; ual intervals When the interrupter is closed and the d surface 36 current flowing through the coil 51 reaches This latch a value such that the movable core member d 38 which is located in is moved into engagementwith the stathe handle lever and tionary member 49, the upper end of the button 40 which hammer'rod 53 strikes one arm of a bell dle. The crank lever 60 which is rotatably mounted ent with any one of on a shaft 61,'the other arm of the bell crank uated dogs in its normal' position. This arrangement 7 47 and 48 removes the (possibihty'of holding-the interby the handle lever when ex-.

tion' by the trippingcoil may be immersed in oil for 13 which comwhich purpose a detachable tank 59 is pro jl e member 49, a mov vided. W

nagnetizing coil 51, Variations in size, form and details of con cease Y switch, an operatinglever therefor, and a handle interlockedwith saidflever, of means for returning the switch to itsopen-circuitposition after it has been closed,said means con'lprising a pair of rotatablymounted dogs connected together by springs-and adapted to' engage a projection on the operating lever and a corresponding stationary projection.- 4. The combination with a double-throw switch, an operating lever therefor, a handle interlocked with said lever and adapted to occupy a plurality of accentuated positions, of means for disengaging the. operating le-' ver from the handle lever and returning the switch to its open-circuit position after it has beenclosed, said-,meansjcomprising a pair of rotatably-mounted dogs. connected together by springs and adapted to engage a pro ection onthe operating lever and-a corresponding stationary projectiom 5. The combination'with a double-throw switch, a m0vable contact member therefor, an-operating lever connected to said movable member, a handle interlocked with said operating lever and'rotatably mounted ,on a shaft which is in 'alinement with the operating lever shaft, and a latch mechanism for said handle lever adapted to engage a pluralityof notches which correspond, re- 1 spectively, to. the open and closedvcircuit positions, of means for disengaging the o )erat-' ing lever from the-handlelever and 01' re turning the switch to its open-circuit -pos ii tlon after it has been closed, said means com- 1 prising a pair of rotatably-mounted dogs connected together by springs and adapted to engage a projection on the operating lever and a corresponding stationary. ro'ection. 5

6. The combination with a' on leethrow switch, a movable contact member therefor, an operating lever connectedto said movable member, a handle lever interlocked with said operating lever and rotatably mountedon a shaft which is in alinement with the oper ating levershaft, and? a latch mechanism-for said handle lever comprising a rod located in a tubular opening in the handle lever, and a pawl attached thereto and adapted to engage a plurality of notches that correspond,

respectively,'to the open andvclosed c rcuit positions, of means for disengaging the operating lever from the handle lever and for so returning the switch to its open-circuit pos1- tion after it has been closed, said means comprising a-pair of rotatably mounted dogs connected together-by springs and adapted to engage a projection ontheoperating lever and a corresponding stationary pro ect on;

- 7. The combination with a double-throw switch an operating lever therefor and "a handle lever interlocked with said lever, of a pair ofspring-connected dogs for returning the switch to its open-circuit positron after'it has been closed, Without changing the position ofthe handle lever.

In testimony whereof, I have hereunto subscribed my name this 30th day of December, 1905; v l CURTIS A. TUCKER.

\Vitnesses: i I

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