US1129445A - Contact maker and interrupter for ignition systems. - Google Patents

Description

W. C. BRINTON, Jn. CONTACT MAKER AND INTEBBUPTEB. FORv IGNITION SYSTEMS. APPLIOLEIOH FILED JUNE [1914: 1,129,445. atented Feb.23,1915.

2 SKEBTS-SHBET 1.

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W. G. BRINTON, JE- CONTACT MAKER AND INTERRUPTBR FOR ummou SYSTEMS! APPLICATION rum) mm: 4, 1914. 1,129,445. Patented Feb. 23, 1915.

2 SHEETS-"SHEET 2 improved contact maker is agplied. Fig. is vertical section thro bo y the UNITED STATES P TENT OFFICE,

win-1AM: 0.

common: mums arm summon, Jlc, MBA; PENNSYLVANIA, ASSIG-NOB IO- EDWIN S; PHILIPS, 0]! mm SQUARE} PENNSYLVANIA.

WUPTEBFOB IGNITION BYSTEIIB.

wm m Patented Feb. 23,19i5.

Applicatlcnflled June 4, 1814. Serial No. 848,850.

7 located above and in line-with .the

To all whom it may condemn Be it known that I W'IIJJAM O. Bimf'ron, Jr., a citizen of the 'b'nited States,'res1 dm at Manoa, county of Delaware, and State 0 Pennsylvania, have invented a new and useful Improvement in Contact Makers and Interrupters' for Ignition Systems, of which the followin' is a; full, clear, and exact descriptiomme erence being had to the accompanyifig drawings, which form a part of. this specification.

The object of my invention is to prov de an rovedmeans fori opening and clos ng ry, circuit in a single spark ignition system for automobiles.

A .The nature of the invention will be understood by reference to the accompanying drawings, which show several preferred .em-- bodiments of m invention and in,\vhich-- Figure 1 is a 'egram of the electrical conneotions of an ign tionsystem to which m "h t c axis of the shaft which 'actuates t e contact maker. Figs. 3,4 and 5 are detail views, inside elevation, of three difierent contact makers y invention; 6 is a plan view of the contact maker of 1g. 5. D

I will firstvreferfto the diagram, Fig. 1, m which a represents the battery or other source of energy. 6 is the primarycircuit including the coil '0 for the coil e of the secondary circuit d The secondary circuit at is connected at one; ndjQihe frame f of the en ine for a ground end and extends throng the coil c to.the common terminal post g; which, through the rotating distributer conductor h; is successively wnn .of rotation as the cam shaft. Collars 11, 12

with the binding posts 1, 3, 4 and 2, which are r ectively-connccted with the spark ,plugs o the several cylinders 1', 3,.4=' and 2 land the engine.

1' 1s the usual condenser across the primary circuit. The contact maker embodying my inventionis inter-- posed in the primary circuit 6 and is designated by the numerals 14 22, 26, 35. s 'The contact maker is shown as connected shaft or a drive shafthaving the same rate are fixed uqon' the shaft to prevent relative longitudinu.

movement between the shaft 1 and the bottom-of the casing 13v This one-- in may 'be held from rotation by any suit able means. The contact-maker shaft 14 is revolves.

shaft 10. It is preferre to connect shafts.

and 14 through a governor 18.. known type of and as the governor forms no part of vans m maybe p yj l .vention it is unnecessary to set it in detail. T

Within and secured in the casing is'a f floor or frame 15 the center of which is shaped to form a bearin for the shaft 10. The up r end of the sh 14 carries ahead. of men tin materiallfi towhiohissecured the distribu r conductor plate It; and

ofthe casing is closed by a capof insulating" material 17, which carries the commenter- :mnial st 9 and the bindin and .4, erelijnbefoiie mgntionefi 'ary circuit 0 use successive] throu h the several y g posts asthe shaft 141 j posts 1, 2,8 the second' The arts hereinbefore describedformnc art 0 the present invention and are. set orth in order that the relation of the inven- 1 tion to the ignition'systen'i as a wholemay' be understoo To the shaft 14 is I so secured a collar 21 car ing radially extending] trip pins Fig. 3. On a bracket 23 secured to the frame e several embodiments of my invention I will first refer to that shown n detail in, 85

15 is a bell-crank lever 24.' Secured along one face oi one arm of the lever 24: is a flat :Ering 25 which extends beyond the end of a lever and carries in head 26 which is virtually a continuation otthe lever. The end of the head is beveled to form a cam face in line of travel of the pins 22. v

A. step 27 prevents the lever 14' frommoving ina direction o'p' osite to the normal direction of travel of e pins 22, but in the event'ofthe reverse movement ofthefl ins, the'head 26 will move independently o the lever, due to its spring connection therewith, until the actunting'pin overridesthe mo to normal posiion. 7 The lever 14 is normally held againstthe- StO FhQT by means of a ring 28 end of'thc lever. A sprin 30",connectsthe lever and its extension. an

in one directiom v permitsthe ex 7 tension'to moveirelatively thelever only. i

' of the primary circuit spcctively ,to a. contact- 36 on the.

Anotherbell crank lever, 31 is pii'oted on a bracket 32 secured to the frame 15 and is held, by meansof'c spring 33, .egcinstn The end of the lower urm of this lever is close to the outer end of the exten stop 34.

sion' 29 of the lever 24 and both ends present opposing beveled e Theterminals and to a contact 35-supported on the spring 37 (see Fig.- 6).

In the rotetionof the cam shaft, the pins 22 strike the head 26 thereby tilting the lever 24 and causing-the beveled end of-its extens'i0n29 to contact with and slide upon Y and beyond the beveled end of lever 31; This operation causes the up er end of lever. 31 to dip toward and cgcmst contact- 35"- and momentarily closethe primary circuit d.- At this time the shaft l-i'hes turned 'into such position that. the outer end bf the distributer conductor" g is in pro er relation to i one of the binding posts 1,- ,3 and 4, '50

.to the spark plugs of the cylinders 1',

that immediately upon theTbreeking of the primary circuit between contuctstfi and and the consequent energizing of the secondary circuit, current is permitted to pas s 2 Assoon as the lever closed the primary "circuit, the extension 29 moves beyond lever 31, which is at once.

returned by the spring 33. V

On the return movement of thelever- 24 under the impulseofspring 28, the extensicn 29 again engages 'lever- 31 and-tends. to more it in the direetionopposite to that in which it'was moved in the forward more-1 tension 40, which, while su'ppo'rted tension-w en e spring -lsettu'red to the lever 24,-.is-spaced from,

ting against, the end of lever 2d. --Fu1-tl1er,

uncut thereto.

In the 1-noditlcutionfshown in I Fig 4, the

corresponding parts are similarly desig noted; except .in the following particulars.

For the extension instead of abutthe contacting cncls of'seid extension and lever 31 are not prov ded \vith'oppos tcbevcled faces.- lliirt 1 s,'-tl1e. contacting ends are r beveled, but they are beveled on the nonadjneeIJt-I'accs'of the me1nbers -10 and 31. In the operation of this embodiment of my invention, -the;"lovcr 31- doos; not begin to tilt, :is in the construction of Fig. 3, us, soon as the extended end of lever 24 contacts with lever 31, but the first operation v is-to arrest the downward movement of the extension 40. Th lai-tmis held Stutinhary b are connected. relever- 31' i 31 has so 34; prevents] body ofthe lever'24 has,-

29 is-substituted uh ex:-

; like ex-t the advanced by the first amnion when of spring 41 (xvliich. of.

courseincreeses as its. supporting arm moves down) overcomes the tension 0 spring 33 whereupon the extensioh'AO-snapsl beyond the lever 31 and in such movement tilts the turn movement" of the lcver Q, the operation sthe same as th atrof the construction of Fig. 3;. that is, extension A0, :moves vagainst, -a,n' d then'snap's over, the lei-c1531 without impartmg to it any movement. I

lever-3} nndceuses itsqcontact 36 to me- ,mentar11y.-engage contact 35. .In the re- In the construction shown in Figs.v 5 and I 6, the contact-making lever-31 an'djthe me as m Fig. 4:, but for .lever 2; a somewhet, different construction is adopt d, f v v 50 is a bar slidable vertically in .a tiv6 for inun'ediatcly actuating it urethe same armed bracket 51. The bzirBQhas :an inde-' Kendently movable cam-head 52 (similiri' to (5:1(1'26) supported on the-spring 53, the upper arm of the brncket 51 beingslottedcasejit should be carried by one of the pins 22;

'to' allow the head to move backwsirdly in in that direction. One fzice oi the 50 is cut away and recessed to receige the. spring 53. '--A coil spring 5t surroun s',the A bar ;50 and is confined between. the lower arm of the bracket '51 and 1!. pin 55' secured" to tire bar. This spring normally holds the emii head 52 in lineof" travel of the pins 22. "To the lower end of the bar 50 is s e. L cured-"nit arm 56 carrying a spring filandc head or extension-58.

ation; the only pivotally' llaving now what I cluimand tore Pntcnt is: l

1, Inn contact device; n iiiqvnble member" normally held in inoperativeposition, n. com

The pm. ts:56, 57 11 ml 58 correspond to the parts 2- ti and 40 of-Figul in structure and mode of opc'r difference being that the 7 arm 56 moves vcrtically,-or at right singles to the direction of'it's extension, instead of fully described niy invention,

desire to protect by Letcarried thereby through \thieh'it. is-tnctrt partlthcroof in line of movement ofthe-first member sit one point inthelattcr-s :rdsto'nce moremont', whereby the second member will member to close the circuit, 21: tension device ma return the second member when the first member has :ul\nnccrl be' \fond it, and means to render the first mcuiber inoperative. in its return movement, to actuate the movable member ha'vingaa.

adapted to immedi second member to close the circuit;

9. In n cont-let device. a movable niernher, acum curried thereby through which it IS actuated. a second movable member hm"- mg in part thereof In line of'm'ovemcnt of mlvunce movement whereby thc;;" scc ond member will he ndranced bv the mmmtoclosc the circuittension means-adopt the first member at one point in th'e'hittets ed to return both members when the first member has passed beyond the second memher, a stop limiting the movement of the second member, a stop limiting the movement at the first member, and means to render the first member inoperative, in its return movement, to actuate the second member to close the circuit.

3. In a contact device, two movable members, tension means and stops therefor, 00- operating means carried by the two members whereby the advance movement of the first member against tension causes an advance movement of the second member against tension, means to close the circuit adapted to be operated in the advance movement of the second. member, and means to render the first member inoperative, when returned, to actuate the second member to close the circuit.

l. In a contact device, a movable member adapted to be primarily actuated, a second movable member. parts carried by the two members adapted to engage in the advance movement of the first member to cause an advance movement of the second member, means to close the circuit adapted to be operated in the advance movement of the second member, and means to render the first member inoperative, on its return movement, to actuate the second member to close the circuit.

5. In a contact device, a movable member adapted to be primarily actuated, a second movable member, parts carried by the two members adapted to engage in the advance n'iovcment of the first member to cause an advance movement of the second member, means to close the circuit adapted to be operated in the advance movement of the second member, and means cooperating with the bust member permitting said engaging part carried thereby to yield relatively to the second member in the engagement of said parts on the return movement of the first member.

(1. ln a contact device, a pivoted lever, a stop limiting its movement, a head on said lcvcr having a cam face through which the head is normally operated in one direction and an abutting face through which the head is operable in the opposite direction, a sec ond lev or and a stop limiting its movement, the second lover having a part thereof in line of mo'-.cmcnt, tension means to return both levers against their stops when moved away therefrom, of the first lever at one point in the latters advance movement \vlu-rclrv in the forward mmemcnt of the li r-l' le er; the second lever will be positively advanced to close the circuit, and means to render the first member inoperative, on its return movcn'icnt. to actuate the second in: nihcr to close the circuit.

1. In a contact device, a movable member adapted for primary actuation, a second movable member, said members having parts with opposing faces adapted successively to engage and slide upon one another and disengage in the advance movement of the first member, thereby positively moving the second member into circuit-closing position, tension means to return said members to normal position, and means permitting the contacting part of the first member to yield relatively to the second member in the return movement of the first nicmbenthercby avoiding actuation of the latter to again close the circuit.

8. In a contact device, a pivoted lever adapted for primary actuation, an extension of said lever, a spring on said lever supporting said extension, a second pivoted lever adapted to be actuated by said extension, in its movement in one direction, to close the circuit, and a tension device and stop for the second lever.

9. In a contact device, a lever pivoted between its ends, a head on said lever having a cam face through which it is normally operated in. one direction, said head abutting against the lever and imparting thereto its -movement in a forward direction, a spring supporting said head and permitting it to move independently of the lever in the other direction, a pivoted circuit closing and opening lever adapted to be engaged and moved into circuit closing position by/ the first lever in thc-laiiers forward movement, tension mains to return both levers. and stops limiting, the return movement of both levers.

10, In a contact iltwice, a pivoted bellcranl; lever adapted for primary actuation, a tension device tending to hold said lever in inoperative position. a. movement otsaid lever by said tension device, a spring-supportcd cxtmision on one end of said lever, a second pivoted bellcrank lever, one arm of which extends under and in line of movement of said extension, whereby the extension, in the advance movement of the first lever, will tilt the second lever into position to close the circuit, a tension dc. ice arranged to return the second lever to inoperative position after the cxtension has passed beyond it, and a stop arranged to both limit the movement of the second lever by said tension device and to prevent the actuation oi the second lever by said extension in the return movcun-ut ot' the second lever.

ll. In a contact device. a primary circuit,

,a secondary circuit in which a current is induced by the make and break of the primary circuit two movable members one of which is adapted to actuate the other to move the latter into position to close the primary circuit, means to return the second member into position to open the primary circuit when the first member has -moved beyond stop limiting the the second member, and a circuit breaker in the primary circuit udnptvd to open the primary circuit in thu event of abnormal 11minteuance in circuit dosing positi'v-u of the sec- 5 0nd member.

In testimony of which invention, 1 hmu hereunto set myhand, at Philadelphia, on this 1st day of June, 1924.

WILLIAM C. BBL: TON, JR. Witnewes:

M; M. HAMLLTON, E. E. WALL.

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