USRE15645E

USRE15645E - Assiohob to pacxabd motor cab cok

Info

Publication number: USRE15645E
Authority: US
Publication date: 1923-07-10

Description

July 1o, 1923.

M.- TIBBETTS VIBRAT'ION DAMPING DEVICE 'iff'. a Inl,

j INVENTOR.

`-M"""""` g e l www Ybbetfs i' part of this specification,

' a i cylindrical surface 15 and an inte named .my 10.1923; Re. 15,645 .UNITED STAT-Es PATENT l OFFICE.

m!! xmlns, or nl vrnorr,

" rm, or nrrao ,ncmean, a conronunon'or nement.

Virinna'i'ion nali'nio Dmoz i '"v Io. 1,985,67, datedeeember 16, 1919, Io. N370, llecl Iayll, 191i. Application for reissue iled December 15, 1921. lerlal Io. 582,700.

Toqwhomitmayaoncem: from the plate .portion 16 is a detachable Be it known `that I, MmronTinBnrrs, a plate'17, fastened to the member v11 by the citizen of the United States of America, and

a resident orf-Detroit, Michigan, have in plates 16 and17 are'spa'ced a l vented a new and useful Improvement in tance 'and the cylindrical sur ace 15, which .Vibration Dampn Devices, which invention isconcentric with the axis of the crank shaft is' fully set forth in the following specifica- 10, isarranged between the plates.

tim. The` vouter member of the' dam r com- This invention relates to hydrocarbonmo'-, prises "a heavy" metallic ring 19, wliiech may l. tors and particularly to the construction of vibration dempers therefor.'

.improvement upgn the damper constructions illustrated in tters Patent No. 1,085,443,

datedJanuai-y 27, 1914. portion 20 is varranged` between the'- One of the objects of the invention 'isto friction plates 16 and' 17 of the inner mem provide a .vibration damping f bei' 11, and its vinner cylindrical surfa is device o simple and practical construction, and one adapted to cylindrical surface 15 of said mem r"`11.

in which the wearin parts may be easily removed and if'eplace., f f Thus the flywheel 19 may rotate freely rela- Other objects of the invention will appear tive to the inner member' except forthe fric- .from the following desciiipton, taken/ in contion means hereinafter described, and it is nection withfthe drawings which 'form-'a and in which Figure/1 isv ajsectional f viewof a device embodying the inwentiom 'the' upper half being substantiiiy on the line i of Fig. e, u lower left hand side bei on the line l', and thelower right hand si e lbeing on the line 1" offsaid ligure. l Y f Fig. 2 is a front .view'of one half of the devicel shown in Fig. 1; .3 isa'pers 've'viewof a section of one of thefriction disks; and

4 is asimilar view vof another form be Called the. f liy'wheel part of the dam `r, -and it is forme with an inwardly exten 'ng portion 20, in which are drilled several om ii'ilgssm, fora purpose hereinafter descri It forms an of the etachableplate 17.

Frictional elements are introduced between the rtion o f the flywheel and the

friction p stes

16 and 17, these elements as shown being in the form of stamped metal disks 22 having suitable lining or wearing material 23 suitably attached thereto as by the rivets 24. These disks, it lwill be seen, alsoiit loosely on the cylindrical surface 15 of the inner member, and ma be removedand` replaced with the fly-whee 19 by removing 'the friction' plate 17.

crank. The disks 22 are refmblj adtedio, Referring tothe drawin 10 represents rotate with the fl w eeli19, andft ey are one of the ends of a crank aft of a hydrotherefore stam with -suitably spaced carbon motor, preferably of the multi-cylinder type. 'Die vibration damper' is mounted u n and preferabl entirely supported by 's end of the orang shaft, and it comprises two relatively rotatable members, one of Ywhich is integrally formed with or or keyedtothe crank shaft. In the form of the invention shown in Figs. 1 and 2, the inner memberll is ke ed to the crank-shaft asby .thekey 12 an secured thereon b av nut 13, whichhasteeth 14 on its outer ace to co0 te with similar teeth on a starting Th imm member 11 .is fomea'win. a

wheel or outer member 19.

cylin- In fo th r: 26, the metal is rming e ..cpressed outwardly at the which are adapted to enter certain of the openings 21 so that the lyheel will carry the disks around with it.V The disks also stamped with recesses 26 suitably spaced so that they will register' with certain othezit'faof the opeeiings 21, and coiled springs are arrang in those openings' and adapted to have their ends sea in the '-v=:-r': 26 0f the disks. 'Thus tlm sprin'gs yieldingly tend to separate the disks 22A an press them in contact with the .friction plates 16 11, thus caus' a frictional tion between e inner member an the dyhan,

late rtion 16 at one end of t At theother end, vand spaced screws'18, 'It will be seen that lthe friction art some dis-v other side of the nCHIGAI, ASSIGI'OB TU PACIKABIJ IOTOB CAB GOI- v t and .have a bearing u n the 4 held in lplace on the inner member by means and 17 of the inner member connec- 1 spring tongues 27 are 8 of.these openings,

disk and forms a boss 28 which enters an olpening 29 cut in the .lining material 23 and t ereby assists in -anchoring the lining to` the disk 22.

It will be understood that any suitable number of. xienings 21 and correspondiiig bosses 25 an springs 27 may be employe but inthe form shown in Figs'. 1 and 2 there 4 of ,them being used forthe bosses 25 and the" other 4 for the spring houses.

Another form of friction disk is illus-` trated in the 'bosses 25'are the same as those shown Iin thedisk above-described, but in lieu of the springs 27, the disk 22* is formed with which are stamped at suitable points in the surface of the disk.

^ The disk in this case is--made of suitable [mem rs having. a part arranged intermespring material -so that the spring means of ing a frictional said members.

tween said device is formed'as an integral part of the friction disks.' i

Other and similar forms of the be used without-departing from or scope of this invention.

What is claimed is l 1. In a device ofthe class described, in` combination, an inner member, anouter relatively rotatable inertia member, friction disks betweenfs'aid members, and means for separating said disks to form a driving connection between the device may the spirit frictions members. e

2. In a device-of the vclass described, in combination, an inner member, an outer relatively rotatable inertia member, one of said diat'e opposin plsate parts of the other member, friction is between the members, andl means carried by said intermediate part for yieldinglyoperatinfg the disks to secure a. driving connection etween the members.

3. In a device ofthe class described, in combination, an inner member having two spacedradial plateparts, one of said parts being removable, an outer relatively rotatable member having a part arrangedbe tween said plate parts, friction disks be?. tween said part o the outer member and said plate partsof the inner member, and springs uperatin on said disks for produc# riving connection between 4. In a device lof the'class described,in combination, an'inner member having twoj spaced radial late parts, one of said parts being removabe, an outerrelatively rotatable m'embe'i; having a part arra between said plate parts, friction disks part of the outer member and plate parts of the innermember, and springs earned by said part of the outer member and ope on saiddisksfor producing a friction'al 'ving connection be'` tween saidmembers.

perspective in Fig. 4. 'In this disk,

mounted between said plates,

lflywheel and the plates,

5. in a dviof the cass described, in

com ination, an inner member having two spaced radial plate parts', one of said parts being removable, an outer relatively rotatable member having a part arranged between said plate parts, friction disks between jsaid part o the 'outer member and said plate parts of the inner member, and a series' of springs each of which acts u n both said disks tending to separate t em vand thereb connection be tween said members.

combination, an 4inner member having two spaced radial late parts, one of said parts being removab e, an outer relatively rotatable memberhaving a part arranged between said plate arts, friction disks between said part ci) the outer member and said late parts of the inner member, and

coil springs housed in said part of the outer member and operating on said disks for the purpose described- 7. In a device of the class described, in

combination, an. inner member, an outer inertia member, friction disks between said produce a frictional driving 6. In a device of the class described,`in

members, and means arranged between two 9. In a vibration damper, in combination, a shaft, an inner member comprising a pair of'separated plateson said shaft, an outer inertia member rotatable relatively tothe inner member `and comprising a flywheel mounted between said plates a friction disk 'between each said plate and t e adjacent side -of the flywheel, and springs acting on scribed.-

in the flywheel the disks, for the purpo de- 10.In a vibration dam r, in combina-` tion, a shaft, Van inner mem r-com pair of separated plateseon said s outer inertia member rotatable relativel to tleinner' member and comprisin a flywheel mounted between said plates, a fiction disk between each said late and the'adjacent side ofthe iiywh and' springs between said disks and the `iiywheel for pressin risinga purpose described.

aft,- an

g the disks into contact with the plates, for the 11. In a vibration damper, in combna- I' tion, a shaft, a member keyed thereto and having a cylindrical bearing surface and a on said cylindric .ber-andsaid meas e on each side of saidywheel and' having means causing themfto turn therewith, a friction plate detachably secured to said member to retain said ywheel and disksiin place, and sp means adaptedl to inam' tain a frictional riving connection between said member and said flywheel. p

12. In a vibration damper, in combination, a shaft, a member keyed thereto and ha a cylindrical bearing surface a friction plate, a gywheelfhaving .a beari surface, a friction di on each side of said iiywheel and having means causing them t9V turn therewith, a fric- AY:tion platedetacliably secured to said member to retain said ywheel and disks in place, and a series4 of coil s rings housed in' said flywheel and. adap to maintain a frictional driving coi'lilneclztion between said memee 13. In a vi ration damper, in combination, an inner member comprising separated plates, an outer member having a portion arranged between said plates and hav'- ing openings in said portion, friction disks having stam out portions-to enter some of said openings to cause the disks to turn with the outer member, and springs ar-n ranged in others of said openings for operating said disks. l

1 4. In a vibration damper, in combination, an inner member comprising sepa-- rated plates, aii outer member havinga portion arranged between said plates and having openings in said portion, friction disks having stamped out portions to enter -some of said openings to cause the disks to turn with the outer member, and 'springs ar'- ranged in others of said openings and 'ressing said disks apart and in frictions contact with said plates, for the purpose de- `ceses, and springs -arrang said openings andh entering said recesses 15. Ina vibration damper, in combination an inner member comprising separated plates, an outer member having a portion arranged between said plates and having openings in said portion, friction disks having stamped out portions to enter some cf said openings to cause lthe disks to turn with the outer member, and having stam d reed in ot ers-of for preing said disks apart and in fric' tional contact with said plates.

16. In a device ofv the class described, in

combination, an inner member, an outer relatively rotatable inertia member, one of,

said 'members having a part arranged intermediate opposing plate parts'of the other bers, and means for .yieldin ly separating said disks to form a frictions driving connection between the members.

17. In a device of the class described, lin combination,4 an inner member provided with a peripheral recess, an outerfrelatively rotatable member having a portion projecting into the peripheral recess vof said inner member, friction disks between said members, and means for yieldingly separating said disks to form a frictional driving connection 'between the members. v

18. In a device of the cl described, in

combination, an inner member provided with a peripheral recess, an outer relatively rotatab e member having a portion projecting into the peripheral recess of said inner member, friction disks between, the mem' bers', and means carried by the projecting portion ofsaid outer member for yieldingly operating the disks to secure a driving connectionbetween the members.

In testimony whereof I have signed this specification.

-l MILTONl TIBBE'rrsmember, friction disks between the mem-