US887067A - Engine-starter. - Google Patents

Engine-starter. Download PDF

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US887067A
US887067A US27481905A US1905274819A US887067A US 887067 A US887067 A US 887067A US 27481905 A US27481905 A US 27481905A US 1905274819 A US1905274819 A US 1905274819A US 887067 A US887067 A US 887067A
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power
engine
sleeve
starter
spring
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US27481905A
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Clyde J Coleman
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N5/00Starting apparatus having mechanical power storage
    • F02N5/02Starting apparatus having mechanical power storage of spring type

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  • Fig. 5 is a detail of the non-rotative disk for actuating the releasing device.
  • Fig. 6 is a horizontal sectional detail of the wedge-part and releasing device.
  • Fig. 7 is a side elevation of the winding crank.
  • Fig. 8 is a side elevation of the starting crank.
  • My invention relates to starting means for engines not self-starting, such as explosion. engines, and means embodying my invention are particularly adapted for use on engines of automobiles by reason of the frequent necessityin-the use of automobiles for the performance of the starting operation.
  • My invention has for its objects simplicity of construction, durability, reliability in operation, and the realization of other advantages which will appear from the following specification.
  • My invention relates more particularly to engine-starting devices wherein a powerstoring device supplies the spring or other power to start the engine, and the power of the engine is thereafter utilized to re-store power in the power-storing device.
  • My invention includes improved means for eifecting the connection of the power-storing device and the engine including a centrifugal engaging device for the power-storing operation and improved means for autbmatically releasing the centrifugal engaging device upon the completion of this operation.
  • My invention also includes means for manually effecting the storage of power in the Ower-storing device, and includes various improvements in the construction, arrange nient and combination of parts, the several improvements included in my present invenlargely applicable to power-storing means in general, although shown specifically as combined with a retractive powerstoring device, in the form of a spring.
  • Fig. 10 is a transverse section of the outer ortion of the starter taken on a plane indicated by the line z z, Fig. 2.
  • Fig. 1.1 is an inner end elevation of the winding sleeve detached
  • Fig. v12 is a planview of the same.
  • Fig. 13 is a transverse vertical section taken on the line 2 2, Fig. 2, and showing, detached, the wedge-carrying part and means for actuating it.
  • the direction of rotation of the engine is indicated by the arrow m in Fig. 2.
  • the ro tative force to start the engine originates at the r'etractive power device or coiledspring a, which is secure tionary drum (1 and at its inner end, to an outer sleeve fitted to'rotate upon an inner sleeve n which is fitted to rotate upon the starter shaft 0, this outer sleeve c having ratchet teeth formed at its inner end and carrying-a cup-shaped rotative art or internal gear ffitted to rotate loose y'thereon and connected thereto by a plurality of spring pawls h, of which three are shown .(see Fig.
  • FIG. 2 is a longitudinal centra vertical section of the same.
  • Figs. 3 and 4 areface views of the two parts of the clutch for connecting the starter-shaft companying point out my Figure l is starter, partly are fitted rotate on studs 'i pro ectmg Fig. 9 is a part end elevation of the same.
  • a brake band enters a M-sha' peripi eral groove in the brake-disk 9 very nearlyencircles i the brake-disk, andiissecured at one end to thestationary ring g" and is conneoted-at its other end by a chain 5i to --a pivoted edal k pressure upon-this edal w' ,cause the brake-band to be release the pedal having a lower arm 7c controlled by a helical ring acts to tighten the e brake-disk 1
  • 1s disk e is 'eld' froni rotation, but at the will of the operator the brake may befreleased and the brake-disk
  • the lower be connected er device per-.- the braketo be released, pedally-or from any suitable oint.
  • The'p anet ,pinions i, whic are, as afore-- rotate onfstuds projectin from the brake-disk 9, have fixedly secured upon on t anactuating rod or chain or ot them planet-gear wheels m, which mesh with gear-teeth n; formed uponthe inner sleeve '1'.
  • is cu 12 carries two sets of ratchet-teeth, the teeth g of the inner set, comprising a con-. number of teet being engaged with their pawls duringthe power-appl mg. or starting operation, 'and' the teeth rloi the outer set', shown as comprisin two teeth, bevhe ratchet-teeth of the two sets arranged to en I tation.
  • 'Bot sets of pawls are carried by the disk t, which is fixedly secured upon the starter-shaft c.
  • the power-p-awls s are piv'-' oted thereon and Weighted so that the weights-twill be thrown outward and the paws moved inward outof engaging osi-f tions when-the shaft is frotatin at somet ing 4 and the grip between the pawls and the teeth engaged eing - thereby is'loofsen'ed b the forward movefore only ⁇ for the pur' .60.
  • Loo -paw s v are provided,: en-' planet gearfwheels m and are controlled by s ri'ng fr ction fdisks w pmions i and I anet gear-wheels and are 'conne'ctedto' the lock awls'v byconnectingrodsofi These friction isks w act, under the unwindih effort of the main spring, to pull thef" pawls 'v'into engagement with-1 the teeth of therebyto lock the planet-gear-wheels and.
  • The-connection between the engine and power-spring for the winding operation is on the inner e starter-shaft I in inner position byspring detents y, conand which act to restrain t sistin of-springpressed rpins protruding slight yfrom the centrifugal pawls into depressions in the adjacent faces of the disk, e centrifugal pawls until a sufficient centrifugal force as been developed to throw them quickly outward into engaging positions.
  • t ese centrifugal pawls are thrown out into engagement with the ratchet-teeth r and the wi d'ng operation is initiated.
  • the inner sleeve n is rotated and its gear-teeth n impxart rotation to the planet-wheels m and t e friction disks w carried thereby, moving the lock-pawls v outward and out of engaging -pos1tion.
  • These lock-pawls are moved outwardjnto contact with their continued motion of the back-stops '0 and thereby the motion of the friction-disks 'w is arrested, butthe lanet-Wheels is retarded only by the frictional slipyofthe friction-disks.
  • the rotation'of the planetwheels is now upon their own axes, the.
  • the threaded sleeve 2 1s non-rotative it is caused to traverse longitudinallyas the power-sprin unwinds or is wound, and during the win ing movemerit it is moved outward away from the springjan dtoward the cup p.
  • the disk 3 1proj ectin fingers or 1
  • the winding or power-storing o eration -1S dlscontlnued automatically I orretra'ctrvedevice at a predetercontinuance of the winding operation is effected by disengaging the centrifugal is pushed-putward during this movement an d is at'all times yieldingly held-against the thwarted sleeve 2 by helical springs 11.
  • a roller 12 is and in the position shown has just come intoengagement with an arm 14 on a pin-- ion l5 fitted to oscillate upon a pin projecting from the cup p (see Fig. 13).
  • the rotation of the cup and the outward movement of the disl' d 3 bring these two parts into engagement and then the further.
  • rotative movement of the cup p causes the arm 14 and pinion 15 to be partly rotated 'andcauses a partial rota- -tion,-' in much smallerv degree, of a disk 16,.
  • the oscillating arm 14 is retracted by a spring 21 but continues to-hold the diskv 16 and wedge-thrustpieces 17 in releasing position solong as the mainspring is fully wound, and the oscillating arm 1ft is not retracted until the beginmug of a starting operation, and although the retraction'of the oscillating arm 14 which then occurs, results in the withdrawal of the plate 18, the comparatively slow speed ofthe' starting operatlon will not develop sufiicient centrifugal force to effect the engagement of the centrifugal winding or power-sto'rin engagin mg arms u will be held out of engagement bvtheir dete'nts y until the attainment" of the predetermined speed of the engine selected" as suflicient for the winding or power-storingoperation, and upon the; at tainn'ient of thisspeed, whenever the spring is not fully wound, the centrifugal winding arms u will engage with their ratchet-teeth r to effect a wind
  • suscarrying sleeve e tect the working parts, and as shown is suscarrying sleeve e.
  • An angle-beam'23, suitably secured to the beam 22, has secured to it the-ring'g', which, as aforesaid, provides a bearing for the outer periphery of the brake-disk g.
  • the spring ,drum d is secured to the ring g and is supported at its outer end by the bracket 33 and as a bearing for the front end of the spring
  • a smaller drum 24 is secured to the drum (1 and has an opening atits outer endclosed by a pivoted door 2 5. For the purpose of initially winding the spring and of rewinding it vin the unusual.
  • starting-pawls 8- being engagea le only to transmit power from the starting and storing part to the engine'connected part and the winding or power-storing pawls it being en- I gageable only to transmit ower from the engine-connected 'part tontie starting and storing part.
  • An engine-starter comprising a powerstoring device, a ratchet member connected thereto, and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the pawl carrier having a centrifugal starting pawl cooperative with one ratchet-tooth and movable by centrifugal force out of engagement therewith and a centrifugal powerstoring pawl cooperative with the oppositely facingratchet-tooth and movable by centrifugal force into engagement therewith.
  • An engine-starter comprising a powerstoring device, a ratchet member connected thereto and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the pawl carrier having a centrifugal starting pawl cooperative with one ratchet-tooth and movableby centrifugal force out of engagement therewith and a centrifugal powerstoring pawl cooperative with the oppositelyfacing ratchet-tooth and movable by centrifual force into engagement therewith, and a etent for restraining the en agin movement of the power storing paw unti the development of a predetermined centrifugal force.
  • An engine-starter comprising a powerstoring device, a ratchet member connected thereto, and a rotary pawl carrier connecte with the engine, the ratchet member having two oppositely facing ratchet-teeth and the awl carrier having a centrifugal starting pawl coo erative with one ratchet-tooth and movable y centrifugal force out of engagement therewith and a centrifugal power-stor-- mg pawl cooperative with the oppositely facmovable by centrifugal force into engagement therewith, and releas- 1n trolled by the power-storing device.
  • An engine-starter comprising a powerstoring device, a ratchet member connected thereto and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the 'fugal engine-connected part having a centri starting awl cooperative with one ratchettooth ant movable by. centrifugal force out of engagement therewith and a centrifugal power-storing pawl cooperative with the opositely-facin ratchet tooth and movab e y centrifuge.
  • yielding means for moving the starting zwl into engagement, a detent for restraining the engaging movement of the storing pawl until the development of a.predeter mined centrifugal force, and releasing means means for the power-storing pawl coning device,
  • An engine-starter comprising, a powerstoring device, a power-transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging device carried by the engine-connected art and movable by centrifugal force into engagement with the 'power-transmittin member, a wedge-part engagement with the power-transmitting having an inchne member, means controlled by the power-storing device for partly rotating the wedge-part relatively to the power-transmitting member, and releasing means for the centrifugal engaging device operated by the resultant lateral movement of the wedge-part.
  • An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a rotating pawl carrier connected with the engine, a centrifugal awl carried by the pawl carrier and movab e by centrifugal force into engagement with the power-transmitting member, a wedge-part aving an inclined engagement with the ower-transmitting member, means controlled by the power-storing device for partly rotating the wedge-part, and releasing means for the centrifugal pawl, such releasinglmeans being carried by and rotatable with, e pawl carrier and rotating in contact with the wedge part.
  • An engine-starter comprising a powerstoring device, a power transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging device carried by the engine-connected part and movable by centrifugal force into enagement with the power-transmitting memer, a releasing pin having an inclined face and cooperative with the centrifugal engagand means controlled by the ower-storing device for thrusting the ,reeasing pin into releasing position.
  • An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part rotatively connect- 'ed withthe engine, a centrifugal engaging device carried by'the engine-connected part, releasing means for the centrifugal engaging i device, a threaded sleeve controlling the re leasing means, and a threaded part conpower-storing device and cooperative with the threaded sleeve.
  • An engine-starter comprising a power part rotatively conby centrifugal force into device controlled by the wedge-p power-storing device-into operative position and cooperative with the wed e-part, and reeasing means for the centri gal engaging art.
  • An engine-starter comprism'g'apowerstoring device, a power-transmitting member connected thereto, a partrotativelyconnect ed-with the engine, a centrifugal engaging device carried b the en inc-connected part ugal force into en-'.
  • An engine-starter comprising a power- 7 device v storing devlce a power-transmitting.
  • An engine-starter comprising a powerstoring device, a power-transmitting member v with operative with 7 ed with the engine,
  • I means for the centrifugal engaging device vice and controlled gearm part and the and also including unidirectional; eng
  • n 14; n Y a P storing device, a power-transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging decontrolled by the power-storing device and cooperative ivith the wedgeart having an engine-starter comprising a power-1 7 vice carried by the engine-connected part, a
  • n engine-starter comprising ng device, a power-transmittm storing mema powerpinion' carried the 1 her, a lock-wheel andmeans for loc ing it,
  • aging means to effect the starting operationythef I lock-wheel andgearing being located atz'one side of the power-storing device and the en.
  • engine-starter comdprising a power- 1n s eeve; con a lockwhee' and locking 105, estarti n'g and eeve. and comprising a gear-carried by' the lock-wheel and. concentr c with thei and winding sleeve, a" part vopera- .tively, connected wit the engine, ,and means connectmg the engine-connected startin and wihding lsleeve include trifuga engaging means toeeffect the winding operation and 'releasing'zmeansfor the centrifu al engaging means,- and also including uni- 'ectionalenga 'n starting 0 eration, the? oc'k-wheel and gearag n and releasing means be ng located at t pr ng:
  • An engine-starter comprising a power spring, a 100 to the ower-spring, a Iplanetary gear on the lock-w eel, means for ocking the plan'etary gear. a ainst rotation ong the thrust thereon of the starting f- ]art and ding Ge -.1 I
  • an internalgear connected its axis inthe dirc- 90 means connecting theengine-connected power-transmitting member m- "and means thereto from the spring against rotation fort of the spring, a power-transmitting in ember concentric with the lock-wheel and having teeth engaging with the planetary gear, a part rotatively connected with the engine, for connecting the power-transl mitting member therewith to transmit power for the starting operation and to transmit power from the engineconnected part to the spring for the Winding operation.
  • An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part operatively con- ⁇ nected with the engine, means for connecting the power-transmitting member and the englue-connected part, and manually operable I means operative first to disconnect the power transmitting member and the engine-connected part and then to apply power to restore the power-storing device.
  • An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part operatively connectedwith the engine, means for connecting the power-transmitting member and the en gine-connected part, and a crank-receiving member connected to the power-transmitting member and initially movable with relation thereto to disconnect the power-transmitting member and the engine-connected the power-storing devicev to storing device, a power-transmitting member connected thereto, a part operatively connected with the engine, means for connecting the power-transmitting gine-connected part, and a crank-receiving sleeve movably connected with the powertrapsmitting-member by a pin and a camgroove and havingla disconnecting projection thereon, so that t crank will cause the sleeve to be moved relatively to the-power transmitting member and the projection .thereon will disconnect the power-transmitting member and theengine-connected part and the further movement of the crank will cause the'
  • An engine-starter comprising a shaft connected'with the engine, a sleeve concentric with the shaft, a spring surrounding the sleeve, means for connecting means for connecting the sleeve with the shaft at the other side of the spring.
  • An engine-starter comprising a shaft connected with the engine, a sleeve concentric with the shaft, a power-storing device, gearing connectingone end of the sleeve with re-store it with means for connecting the other power, and
  • An engine-starter comprising a shaft connected with the engine, a sleeve concentric with the shaft, a spring surrounding the sleeve, means for connecting the spring on one side thereof with the shaft to start the engine and with the adjacent portion of the sleeve to rewind the spring, and means for connecting the shaft with the sleeve at the other side of the springto and rewind the spring.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

PATENTED MAY 12, 1908.
0. J; COLEMAN. ENGINE STARTER.
- APPLIOATION FILEDAUG. 19-. 1905.
3 SHEETS-SHEET 1.
No.887,O67., PATENTED MAY-12,1908.
c. J. COLEMAN.
ENGINE STARTER. APPLICATION FILED AUG. 19,1905.
3.8EBBTS-BHEET 2.
No. 887,067. PATENTED MAY 12, 1908.
0. J. COLEMAN.
ENGINE STARTER. APPLICATION FILED AUG. 19,1905;
3 SHEETS-SHEET 3.
.tion being UNITED srnrns PATENT OFFICE.
CLYDE J. COLEMAN, OF ROCKAWAY, NEW JERSEY, ASSIGNOR TO CONRAD HUBERT, OF NEW YORK, N. Y.
ENGINE-STABTQB.
Specification of Letters Patent. Patented May 12, 1908.
' 1905. Serial No. 274,819.
Application filed August 19,
and. engine-shaft. Fig. 5 is a detail of the non-rotative disk for actuating the releasing device. Fig. 6 is a horizontal sectional detail of the wedge-part and releasing device. Fig. 7 is a side elevation of the winding crank. Fig. 8 is a side elevation of the starting crank.
To all whom it may concern:
Be it known that I, CLYDE J. COLEMAN, a citizen of the United States, residing at Rockaway, in the county of Morris and State of New Jersey, have invented certain new and useful Improvements in Engine-Starters, of which the following is a specification, reference being had therein to the accompanying drawing, forming a part thereof.
My invention relates to starting means for engines not self-starting, such as explosion. engines, and means embodying my invention are particularly adapted for use on engines of automobiles by reason of the frequent necessityin-the use of automobiles for the performance of the starting operation.
My invention has for its objects simplicity of construction, durability, reliability in operation, and the realization of other advantages which will appear from the following specification.
My invention relates more particularly to engine-starting devices wherein a powerstoring device supplies the spring or other power to start the engine, and the power of the engine is thereafter utilized to re-store power in the power-storing device.
. My invention includes improved means for eifecting the connection of the power-storing device and the engine including a centrifugal engaging device for the power-storing operation and improved means for autbmatically releasing the centrifugal engaging device upon the completion of this operation.
My invention also includes means for manually effecting the storage of power in the Ower-storing device, and includes various improvements in the construction, arrange nient and combination of parts, the several improvements included in my present invenlargely applicable to power-storing means in general, although shown specifically as combined with a retractive powerstoring device, in the form of a spring.
Fig. 10 'is a transverse section of the outer ortion of the starter taken on a plane indicated by the line z z, Fig. 2. Fig. 1.1 is an inner end elevation of the winding sleeve detached, Fig. v12 is a planview of the same. Fig. 13 is a transverse vertical section taken on the line 2 2, Fig. 2, and showing, detached, the wedge-carrying part and means for actuating it.
The engine in connection with which the starter is to be used isnot shown in the drawings otherwise than by the illustration .in Fig. 2 of the end of its shaft 5, this shaft being coupled to the starter shaft 0 by a coupling or clutch device shown as a cup 6 on t e engine shaft, having recesses 7 to receive ro jections 8 from the disk 9 on the starter s aft 0. The two parts of theclutch are separatelyillustrated in Figs. 3 and 4. p
The direction of rotation of the engine is indicated by the arrow m in Fig. 2. The ro tative force to start the engine originates at the r'etractive power device or coiledspring a, which is secure tionary drum (1 and at its inner end, to an outer sleeve fitted to'rotate upon an inner sleeve n which is fitted to rotate upon the starter shaft 0, this outer sleeve c having ratchet teeth formed at its inner end and carrying-a cup-shaped rotative art or internal gear ffitted to rotate loose y'thereon and connected thereto by a plurality of spring pawls h, of which three are shown .(see Fig. 1), engaging the ratchet teeth on the sleeve e when the sleeve is rotated by the power spring a in the direction of rotation of the enine-shaft c, which is'the direction of rota- 1 W111 now describe the constructionenn tidn of the power spr ng in its starting or bodying my invention illustrated in the acpower-applying operation. The function of this pawl and ratchet connection is to prevent the momentum of the parts from carrving the spring beyondits unwound coin ition in the event of the complete unwinding of the spring.
drawings and will thereafter invention in claims.
an inner end elevation of the in section. Fig. 2 is a longitudinal centra vertical section of the same. Figs. 3 and 4 areface views of the two parts of the clutch for connecting the starter-shaft companying point out my Figure l is starter, partly are fitted rotate on studs 'i pro ectmg Fig. 9 is a part end elevation of the same.
at its outer end to a s ta' Planet pinions i, ofwhich three are shown,
' I siderable I m'g engaged during the win approaching itsnormal spee loosely at its inner periphe'r so that spring I so that the s brake-band u ordinaril the rake actuation of th arm 10 has an eye towhich ma mittin 2 man ia from a brake-disk g, this brake-disk bearing upon the, inner sleeve n andt againstan en 'n'ut or collar n? screwedthereonhand haiin an outer flange the outer ,eriphe ",of .1, h i'c is fitted to r0- earmgj, ornied by the stationary y -thrus t removable ledge .ylon-tMfififltiOfiiW rin A brake band, enters a M-sha' peripi eral groove in the brake-disk 9 very nearlyencircles i the brake-disk, andiissecured at one end to thestationary ring g" and is conneoted-at its other end by a chain 5i to --a pivoted edal k pressure upon-this edal w' ,cause the brake-band to be release the pedal having a lower arm 7c controlled by a helical ring acts to tighten the e brake-disk 1 Thus 1s disk e is 'eld' froni rotation, but at the will of the operator the brake may befreleased and the brake-disk permitted to rotate under the power spring. The lower be connected er device per-.- the braketo be released, pedally-or from any suitable oint. The'p anet ,pinions i, whic are, as afore-- rotate onfstuds projectin from the brake-disk 9, have fixedly secured upon on t anactuating rod or chain or ot them planet-gear wheels m, which mesh with gear-teeth n; formed uponthe inner sleeve '1'. A cup .or internal ratchet .u on the outer end ohthis inner sleeve-1n."
is cu 12 carries two sets of ratchet-teeth, the teeth g of the inner set, comprising a con-. number of teet being engaged with their pawls duringthe power-appl mg. or starting operation, 'and' the teeth rloi the outer set', shown as comprisin two teeth, bevhe ratchet-teeth of the two sets arranged to en I tation. 'Bot sets of pawls are carried by the disk t, which is fixedly secured upon the starter-shaft c. The power-p-awls s are piv'-' oted thereon and Weighted so that the weights-twill be thrown outward and the paws moved inward outof engaging osi-f tions when-the shaft is frotatin at somet ing 4 and the grip between the pawls and the teeth engaged eing - thereby is'loofsen'ed b the forward movefore only {for the pur' .60.
' ployed i'ugallybperated fort 'ment ofthe engine- T ey are also controlled by llghtsprings s--, which throw them into engaging positions when the starter-shaft and connected engine shaft are at rest. hese pawls are centrifugally o erated thereos'e of t rowing them he other pawls u, ems operation, are centrife purpose of throwing them into engagement a'ndwill be hereinafter out of engagement.
in-thewindin describedg a -Ththrust of the. po'wer spring. a,
when v "and starter-shaft, and
the'planet-gear-wheels m and applied and the brake fr under the power ofthe carried t I imparted to th is fixedly seeured be.imparted to ing 0 eration,"
age in opposite directions of-roe Usually, however, the
wound, is exerted upon theouter sleeve e, in
the 'direction of rotation-of the engine-shaft is thereforeimparted om' such outer sleeve e through the pawls h to theinternal gear f gear to the lanetinions i and planetwhee s m. Loo -paw s v are provided,: en-' planet gearfwheels m and are controlled by s ri'ng fr ction fdisks w pmions i and I anet gear-wheels and are 'conne'ctedto' the lock awls'v byconnectingrodsofi These friction isks w act, under the unwindih effort of the main spring, to pull thef" pawls 'v'into engagement with-1 the teeth of therebyto lock the planet-gear-wheels and. planet-pmions lock them and .thefoth above (referred :to from forward movement mainspring so longas the brake-disk gis held stationary by the application of the brake-band When,*however, the brake-band j is loosened, at the disk is permittedto rotate, the brake-diskand the lanet-p'inions and lanet-wheels iiereby and. locked ii'o'm rotation thereon by the pawls i; will be rotated as a Whole and their rotative movement will be e'inner sleeve n at the gearand from, the -1 nternal 0 e hubs of the planet bear-against the faces-of the om rotation on their'axes andtherefore to er {connected parts vWlllof' the operator, and it ereby the brake teeth 11", and the rotation of this sleeve will the starter-shaft c by means of the ratchet-teeth g and starting pawls s, and the power of the spring, will be applied to rotate the engine-shaft andthus to start the engine. When the pedal 7c is release-d and th-e'brake-band'j applied to the brakedisk 9, this applicatmnof power to the enine will be dlscontinued. Should the pedal e not released until the power springis unwound, which would not however usually 1 .occur'orbe're uired, the forward rotativfmovement of t e-engineshaft would not be in any manner nor under any circumstances mpeded, as the construction above de--.
scribed permits meansof the startin -pawlss to the inner sleeve n. Further, the" momentum of the parts above described tend to reverselywind the. engine-shaft at all. times .to rotate without imparting rotation by could not strain or the spring by reasonof the pawl andratchet connection between the outerrsleeve e, and the internal gear f. engine will have been started before the power of the spring. has been exhausted and the operator will release the pedaleand the brake willbe applied and thereby the grip of'the starting-pawls .9 upon the ratchet-teeth Q will be loosened .and. cen- 'trifugal force will throw. the startin paw ls s inward outof contact with the ratc et-teeth and they willremain thus out-of engagement and out of contact so long as the engine.-
b --:sha t, and inner sleeve rotating at 5. rate of speed than the outer sleeve, so that a minimum effort of the engine quired to,
- the inner s eeve n and power and will not be" is rotated by its own position until'the enreturned to engaging 'gine slows down in approaching its condition of rest. 7 I
It will be noted that by reason of the locking of the lanet'gearing', the outer sleeve e,
engine-shaft will be actuated all at the same s eedv of rotation, and under these conditions -t e power of'the spring will be applied-'ata maximum in the starting operation; In contrast with this arrangement, the winding wille1 erformed with theengineshaft,startera-higher will be rewind the powerspringi The winding eration is not performed until the en-,, gine as attained a predetermi ed speed seected as suitable for such 0 eration, so that the power of'the engine Wll not be drawn uponto wind the spring. until such powenis sleeve 1 and'the disk on effected between the cup g c, by means of the centrifugal power-stor- *iw it out material interference 25 i am le to performthe winding operation with the ordinary work of the engine.
The-connection between the engine and power-spring for the winding operation is on the inner e starter-shaft I in inner position byspring detents y, conand which act to restrain t sistin of-springpressed rpins protruding slight yfrom the centrifugal pawls into depressions in the adjacent faces of the disk, e centrifugal pawls until a sufficient centrifugal force as been developed to throw them quickly outward into engaging positions. When the engine has attained the sufficient s eed selected for the winding operation, t ese centrifugal pawls are thrown out into engagement with the ratchet-teeth r and the wi d'ng operation is initiated. The inner sleeve nis rotated and its gear-teeth n impxart rotation to the planet-wheels m and t e friction disks w carried thereby, moving the lock-pawls v outward and out of engaging -pos1tion. These lock-pawls are moved outwardjnto contact with their continued motion of the back-stops '0 and thereby the motion of the friction-disks 'w is arrested, butthe lanet-Wheels is retarded only by the frictional slipyofthe friction-disks. The rotation'of the planetwheels is now upon their own axes, the. b rakq disk g-being the brake-band j, and the planet-pinions' 1, irn part-motion to the internal gear f in a direction a ear to that in this movement is transmitted the starter-shaft and mine point of winding or in the construction shown,
'keys'4 entering the t ed sleeve, and itself held about to be discontinued. mounted upon the outer face of the disk 3 held from rotation by [of engagement 'w v p which it was rotated during the" starting opsraizion anld y t 1e paws.
h to the outer sleeve c and the sprlng 1s wound ata very smuch slower speed than that of the engine-shaft.
y the sprin ower storing, ust before the spring has been fully wound, and this dispawls To effect this operation,'I provide an externally threaded sleeve 2 engaging with an internal thread on the outer or spring-carrying sleeve 12 and anon-r0 tativedl'sk 3, having readed' s eeve 2, so that it will prevent rotation of the threadfrom rotation by entering notches in its This non-rotative disk Byreason stationary arms 10 outerperi hery. is separate y shown in Fig. 5.
of the fact that the threaded sleeve 2 1s non-rotative, it is caused to traverse longitudinallyas the power-sprin unwinds or is wound, and during the win ing movemerit it is moved outward away from the springjan dtoward the cup p. The disk 3 1proj ectin fingers or 1 The winding or power-storing o eration -1S dlscontlnued automatically I orretra'ctrvedevice at a predetercontinuance of the winding operation is effected by disengaging the centrifugal is pushed-putward during this movement an d is at'all times yieldingly held-against the thwarted sleeve 2 by helical springs 11. Agghown, the sleeve and disk have very nearly feached the outer limit of their movement and the winding operation, is A roller 12 is and in the position shown has just come intoengagement with an arm 14 on a pin-- ion l5 fitted to oscillate upon a pin projecting from the cup p (see Fig. 13). The rotation of the cup and the outward movement of the disl' d 3 bring these two parts into engagement and then the further. rotative movement of the cup p causes the arm 14 and pinion 15 to be partly rotated 'andcauses a partial rota- -tion,-' in much smallerv degree, of a disk 16,.
fitted to oscillate andmove longitudinally upon the hub of the cup p, thereby causing wedgethrust-pieces 17, carried by the disk 16 and entering recesses in the having counterpart inclined faces, to be thrust forward against a releasing plate 18, this releasingplate having dprojecting conepointed pins 19 which sli e in cylindrical perforations in the disk t and enter'coneshaped reces'ses in the centrifugal pawls u, and by this forward thrusting movement' forcethe centrifugal pawls u nward out I thereby disconnecting the. shaft and the power springyand discontinuing the windith the ratchet-teeth 1",
' releasin so. as to lock the power-sprm ing' or power-storing operation. The power-sprmg, bein then released, will 'at once reverse the irection of rotation of the planet-wheels and cause the lockpawls-v to be moved into engaging position agamst'unwinding so long as thebrakeand j is applied to the brake-disk g. The releasing-plate 18 which carries the cone-pointed pins 19 will at all times rotate" with the shaft and so long as the wedgethrust-pieces 17 are advanced will rotate, in contact therewith and be held thereby in po- It; sition to hold the centrifug -p o of engagement. A helical spring 20,be tween this releasing plate 18 and-the disk at presses the releasing plate 18 against the wedgethrust-pieces 17 and causes it to be retracted out of releasing position .when these wedgethrust-pieces are withdrawn. The oscillating arm 14 is retracted by a spring 21 but continues to-hold the diskv 16 and wedge-thrustpieces 17 in releasing position solong as the mainspring is fully wound, and the oscillating arm 1ft is not retracted until the beginmug of a starting operation, and although the retraction'of the oscillating arm 14 which then occurs, results in the withdrawal of the plate 18, the comparatively slow speed ofthe' starting operatlon will not develop sufiicient centrifugal force to effect the engagement of the centrifugal winding or power-sto'rin engagin mg arms u will be held out of engagement bvtheir dete'nts y until the attainment" of the predetermined speed of the engine selected" as suflicient for the winding or power-storingoperation, and upon the; at tainn'ient of thisspeed, whenever the spring is not fully wound, the centrifugal winding arms u will engage with their ratchet-teeth r to effect a winding of the spring to its maxi-- mum power-storing capacity.
tect the working parts, and as shown is suscarrying sleeve e.
pended from a beam 22,- which may be a part of the body or frameof an automobile. An angle-beam'23, suitably secured to the beam 22, has secured to it the-ring'g', which, as aforesaid, provides a bearing for the outer periphery of the brake-disk g. The spring ,drum d is secured to the ring g and is supported at its outer end by the bracket 33 and as a bearing for the front end of the spring A smaller drum 24 is secured to the drum (1 and has an opening atits outer endclosed by a pivoted door 2 5. For the purpose of initially winding the spring and of rewinding it vin the unusual.
event of so short'an operation of'the engine that the spring has not beenwound by the engine, I provideia Winding crank ,26, ex-
ternally' threaded to enter a th'readed'boss ona winding sleeveZi, this-winding sleeve havmeans or clutch, 1 above descn ed, and t '.e centrifugal wind- 35 The framing is such as to house and pro will first cause the winding sleeve to be moved longitudinally inward, thereby causing a frusto-conical proj ection' 30 thereon to ends of the starting-pawls s so as to move the starting-pawls out' of engagement "and .dis-
connect the cup 1) from the shaft. .The further rotative effort of the winding crank 26 'Will bringl the ends of the cam-grooves 28 ,a ainst it e pins 29 and'then the winding -s eeve 27' and the cup piwill rotate together be wound in the-manner ing cam-grooves 28 engagingpins 29 on the p so that the rotatlvee ort'of the crank looks the power-spring or power-storing de- 1 vice in wound-up ormax-imum power-storing condition, and that the brake band j-which controls the brake-disk orlock-wheel g is the locking device therefor; It will also be noted thatthe inner sleeve n and "thecup p carried 4 thereby. together constitute a part which is connected, with the s ring or power-storing device andis utilized eration and in the winding orpoWer-storing.
oth in the starting opoperation, and is".acltuated by. the powera storing devicein the starting operation and by the engine in thewin 'ng or powenstormg operation and thatthe starter-shaft c isin effect merely an extension of the engine-shaft 5', while the disk t thereon may be referred to separately or taken'therewith'as an engine-connected part. It will also .be noted that the engagementof'thestarting and stor-' ing part and the engineconnected part is effected by lllll-dll'GOtlOIlfil engagin means, the
starting-pawls 8- being engagea le only to transmit power from the starting and storing part to the engine'connected part and the winding or power-storing pawls it being en- I gageable only to transmit ower from the engine-connected 'part tontie starting and storing part.
, 'The arrangement of theJock-wheel and gearing at one side of the pbwerspring and of the engaging means for thestartin'g and stor- 111 operations 'andthe releasing means at the other side thereof is pecuharly advantageous in that it assembles together the parts re quiring nice adj ustm'ent and thorough lubrication and permits these latter parts to be L111- 'closed, in a separate portion of the casing which may be removed withoutdisturbance of the powerspring and gearing; E
i It "is obvious that various modifications,
, 7o engage and move outward the 1111161 weighted ing ratchet-tooth and may be made in the construction shown and above'particularly described within the principle and scope of my inventioni What I claim and desire to secure by Letters Patent is v i 1. An engine-starter comprising a powerstoring device, a ratchet member connected thereto, and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the pawl carrier having a centrifugal starting pawl cooperative with one ratchet-tooth and movable by centrifugal force out of engagement therewith and a centrifugal powerstoring pawl cooperative with the oppositely facingratchet-tooth and movable by centrifugal force into engagement therewith.
2. An engine-starter comprising a powerstoring device, a ratchet member connected thereto and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the pawl carrier having a centrifugal starting pawl cooperative with one ratchet-tooth and movableby centrifugal force out of engagement therewith and a centrifugal powerstoring pawl cooperative with the oppositelyfacing ratchet-tooth and movable by centrifual force into engagement therewith, and a etent for restraining the en agin movement of the power storing paw unti the development of a predetermined centrifugal force. I
3. An engine-starter comprising a powerstoring device, a ratchet member connected thereto, and a rotary pawl carrier connecte with the engine, the ratchet member having two oppositely facing ratchet-teeth and the awl carrier having a centrifugal starting pawl coo erative with one ratchet-tooth and movable y centrifugal force out of engagement therewith and a centrifugal power-stor-- mg pawl cooperative with the oppositely facmovable by centrifugal force into engagement therewith, and releas- 1n trolled by the power-storing device.
4. An engine-starter comprising a powerstoring device, a ratchet member connected thereto and a rotary pawl carrier connected with the engine, the ratchet member having two oppositely-facing ratchet-teeth and the 'fugal engine-connected part having a centri starting awl cooperative with one ratchettooth ant movable by. centrifugal force out of engagement therewith and a centrifugal power-storing pawl cooperative with the opositely-facin ratchet tooth and movab e y centrifuge. force into engagement therewith, yielding means for moving the starting zwl into engagement, a detent for restraining the engaging movement of the storing pawl until the development of a.predeter= mined centrifugal force, and releasing means means for the power-storing pawl coning device,
trolled by the for the storing pawl controlled by the powerstoring device.
5. An engine-starter comprising, a powerstoring device, a power-transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging device carried by the engine-connected art and movable by centrifugal force into engagement with the 'power-transmittin member, a wedge-part engagement with the power-transmitting having an inchne member, means controlled by the power-storing device for partly rotating the wedge-part relatively to the power-transmitting member, and releasing means for the centrifugal engaging device operated by the resultant lateral movement of the wedge-part.
6. An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a rotating pawl carrier connected with the engine, a centrifugal awl carried by the pawl carrier and movab e by centrifugal force into engagement with the power-transmitting member, a wedge-part aving an inclined engagement with the ower-transmitting member, means controlled by the power-storing device for partly rotating the wedge-part, and releasing means for the centrifugal pawl, such releasinglmeans being carried by and rotatable with, e pawl carrier and rotating in contact with the wedge part.
7. An engine-starter comprising a powerstoring device, a power transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging device carried by the engine-connected part and movable by centrifugal force into enagement with the power-transmitting memer, a releasing pin having an inclined face and cooperative with the centrifugal engagand means controlled by the ower-storing device for thrusting the ,reeasing pin into releasing position.
8. An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part rotatively connect- 'ed withthe engine, a centrifugal engaging device carried by'the engine-connected part, releasing means for the centrifugal engaging i device, a threaded sleeve controlling the re leasing means, and a threaded part conpower-storing device and cooperative with the threaded sleeve.
9. An engine-starter comprising a power part rotatively conby centrifugal force into device controlled by the wedge-p power-storing device-into operative position and cooperative with the wed e-part, and reeasing means for the centri gal engaging art. 10. An engine-starter comprism'g'apowerstoring device, a power-transmitting member connected thereto, a partrotativelyconnect ed-with the engine, a centrifugal engaging device carried b the en inc-connected part ugal force into en-'.
and movable y centr' agement with the power transmitting memea non-rotative part er, awedge-part having an inclined engagement with the power-transmitting member, movable by'the power storing device into operative position, an oscillatin arm and pinion carried by the power transmlttin member, the arm hein cooperative with t e' non-rotati've part an the pina ion actuatin the -wedge-part, and releasing means for t e centr' ugal engaging controlled by the wedge' part. 11. An engine-starter comprising a power- 7 device v storing devlce a power-transmitting. member I connected thereto, a part rotativelyconnecter, a ,non-rotative ed with the engine, a centrifugal engaging device carried b the en ineeconnected part and movable yce'ntr' ugal force into en gagement with the power transmittingmemer, a wed e-part having an inclined 'engagement with the power-transmittin mem-' part movable y the power-storing deviceinto operating position and cooperatlve with the wedgeart, and a releasing pinhaving an inclined ace and cooperative with the centrifugal engaging device and controlled by the'wedge-part;
12. An engine-starter comprising a powerstoring device, a power-transmitting member v with operative with 7 ed with the engine,
- cillatin arm and connected thereto, a'part'rotatively connect-I ed with the engine, a centrifugal engaging de-' vice carried byxthe engine-connected part, a threaded non-rotative sleeve, a threaded part controlled by the'power-storing device and 006 erative with the threaded sleeve, a we ge-part having the power-transmitting member, and coan inclined engagement thenon rotative sleeve to be An engine-starter comprising a power-1" part, 1
I means for the centrifugal engaging device vice and controlled gearm part and the and also including unidirectional; eng
, gagin starting s eeve, av
tion 0 controlled b the wed eart. n 14; n Y a P storing device, a power-transmitting member connected thereto, a part rotatively connected with the engine, a centrifugal engaging decontrolled by the power-storing device and cooperative ivith the wedgeart having an engine-starter comprising a power-1 7 vice carried by the engine-connected part, a
t readed non-rotative sleeve, a threaded part threaded "sleeve, a v j inclined engagement,
w1th t e power-transmitting member," anoscillating arm' and power-transmittin member, "the arm being cooperative with t enon-rotative sleeve and the pinion actuatingthe wedgeart, and a releasing pin having an inclined i ace andcooperative with the centrifugal. engaging deby the wed e-part';
n engine-starter compris ng device, a power-transmittm storing mema powerpinion' carried the 1 her, a lock-wheel andmeans for loc ing it,
and t e power-transmitting member and comprising a gear carriefd b. ithelock-wheel, a part operatively connecte an with the engine connecting the power-storing device eluding centrifiigal engaging means/to effect t e power-storing operation and-releasing means .for the centrifugal "engagingganeans,
aging means to effect the starting operationythef I lock-wheel andgearing being located atz'one side of the power-storing device and the en.
and 1 releasing the. ot er side (if the 1'6. An spring, a starting and win nected therewith, means controlling, the same, caring connect ing the power-spring and-t winding sl means being located at power-storing device.
engine-starter comdprising a power- 1n s eeve; con a lockwhee' and locking 105, estarti n'g and eeve. and comprising a gear-carried by' the lock-wheel and. concentr c with thei and winding sleeve, a" part vopera- .tively, connected wit the engine, ,and means connectmg the engine-connected startin and wihding lsleeve inclu trifuga engaging means toeeffect the winding operation and 'releasing'zmeansfor the centrifu al engaging means,- and also including uni- 'ectionalenga 'n starting 0 eration, the? oc'k-wheel and gearag n and releasing means be ng located at t pr ng:
17; An engine-starter comprising a power spring, a 100 to the ower-spring, a Iplanetary gear on the lock-w eel, means for ocking the plan'etary gear. a ainst rotation ong the thrust thereon of the starting f- ]art and ding Ge -.1 I
meanslto eiiectthe e ot er side of the po'w er 1ng be1ng ocated at onefside of the powerspring Iandthe en wheel and lockingmeans con-' vtro ngthe same, an internalgear connected its axis inthe dirc- 90 means connecting theengine-connected power-transmitting member m- "and means thereto from the spring against rotation fort of the spring, a power-transmitting in ember concentric with the lock-wheel and having teeth engaging with the planetary gear, a part rotatively connected with the engine, for connecting the power-transl mitting member therewith to transmit power for the starting operation and to transmit power from the engineconnected part to the spring for the Winding operation.
18. An en ine-startercomprising a powerspring, a 100 -wheel and locking means controlling the same, an internal gear connected to the power-spring, a planetary gear on the lock-wheel, a part frictionally'engaging'the planetary gear and a lockawl connee'ted'to such part so that the frictlonal part will actuate the pawl to lock the planetary gear on its axis in the direction of the thrust thereon of the starting effort of the spring, a powe -transmi tting member concentric with the lock-wheel and having teeth engaging with the planetary gear, a part rotatively connected with the engine, and means for connecting the power-transmitting member therewith to transmit power thereto from the spring for the starting operation and to transmit power from the engineconnected part to the spring for the winding operation. v
19. An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part operatively con-\ nected with the engine, means for connecting the power-transmitting member and the englue-connected part, and manually operable I means operative first to disconnect the power transmitting member and the engine-connected part and then to apply power to restore the power-storing device.
20. An engine-starter comprising a powerstoring device, a power-transmitting member connected thereto, a part operatively connectedwith the engine, means for connecting the power-transmitting member and the en gine-connected part, and a crank-receiving member connected to the power-transmitting member and initially movable with relation thereto to disconnect the power-transmitting member and the engine-connected the power-storing devicev to storing device, a power-transmitting member connected thereto, a part operatively connected with the engine, means for connecting the power-transmitting gine-connected part, and a crank-receiving sleeve movably connected with the powertrapsmitting-member by a pin and a camgroove and havingla disconnecting projection thereon, so that t crank will cause the sleeve to be moved relatively to the-power transmitting member and the projection .thereon will disconnect the power-transmitting member and theengine-connected part and the further movement of the crank will cause the'actuation of the power-transmitting member.
22. An engine-starter comprising a shaft connected'with the engine, a sleeve concentric with the shaft, a spring surrounding the sleeve, means for connecting means for connecting the sleeve with the shaft at the other side of the spring.
23. An engine-starter comprising a shaft connected with the engine, a sleeve concentric with the shaft, a power-storing device, gearing connectingone end of the sleeve with re-store it with means for connecting the other power, and
sleeve with the shaft to actuate end of the the sleeve.
.24. An engine-starter comprising a shaft connected with the engine, a sleeve concentric with the shaft, a spring surrounding the sleeve, means for connecting the spring on one side thereof with the shaft to start the engine and with the adjacent portion of the sleeve to rewind the spring, and means for connecting the shaft with the sleeve at the other side of the springto and rewind the spring.
In testimony whereof I have affixed my signature in presence of two witnesses.
- CLYDE J. COLEMAN Witnesses:
HENRY DVWILLIAMS, BERNARD PowEN.
member and the en-' e initial operation of the actuate the sleeve the sleeve with the spring at one side of the spring, and
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220299000A1 (en) * 2019-09-19 2022-09-22 Starting Industrial Co., Ltd. Recoil starter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220299000A1 (en) * 2019-09-19 2022-09-22 Starting Industrial Co., Ltd. Recoil starter
US11754029B2 (en) * 2019-09-19 2023-09-12 Starting Industrial Co., Ltd. Recoil starter

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