Патент USA US2406498код для вставки
_ Aug._ 27,1946. 2,406,498 HQ v. JAMES TIRE CASING VULCANIZER Filed April 9, 71945 _ 2 Sheets-Sheet 2 . _ - mmvrox. b24010 I.’ JAMLS‘. BY J A rfOIPQ/gx Patented Aug. 27, 1946 UNITED ‘ 2,406,498‘ » STATES v _ 2,406,498 PATENT ' ' IOFF'I'CE' v = ' ‘TIRE CASING VULCANIZER ‘ Harold Y.James, Denver, Cole. A ‘Application Aprilill, 1945,v Serial No. 587,339 a Claims. (01. 1_8--18)‘ . This invention relates to a tire casing vul ‘can‘izer; moreiparticularly for what is known as "spot repairs.” The principa'lobject of the in 2 ~ 7 > ' The curing arm'may have any desired pro vision for heating. ‘As illustrated, it is an elec trically-heated arm provided with electric heat ing elements I‘! on its interior. Conductors car vention i-s‘to provide a sturdy device upon which the casings can be easily placed ‘and removed rying current to the heating elements f1‘ pass without damage to the vulcanizer, and with very through a conduit [8‘ to a suitable switch box; f9’. little e?ort on the part of the operator. The posts ‘l5 are formed" with downwardly vde pending apron portions 23 which overlap the Another objectof the ‘invention is to provide easily adjustable means for supporting the cas inside faces of the arms" 13‘. A vertical tenon ing on the curing arm at its bead portion‘ so as 10 24 extends downwardly along each post [5 and to prevent stretching and distorting of the re its apron 23,. The tenons are for the purpose of guiding a horizontal pressure plate¢25,tthe Still another object is’ to provide a, curing‘ arm extremities of whichjare notched to ride on‘ the contoured so as to prevent the’ formation ‘of tenons 24. ' V . pair. ‘ - 3 The pressure plate is threaded on andsup bulges in the casing due tov internal/plies or patches. ported from a central jack screw 26, terminat ing at its lower extremity in a hand wheel 21''. The upperv extremity of the jack screw 26 is re duced in diameter and passes through the bot-' tom 'of the curing arm l6, terminating in a suit able combination nut and washer 28. The up ward thrust of the jack screw is absorbed by a Other objects and advantages reside in the detail construction of the invention, which is designed for simplicity, economy, and e?iciency. These will become more apparent from‘ the fol lowing description. I r ' ' v In the following detailed description of the bronze washer 29 positioned between two vsteel invention, reference is had to the accompany washers 3.9. The downward thrust is received ing drawings which form a part ‘hereof. Like numerals refer to like parts in" all views of the 25 by a steel washer 3| 0n the interior of the cur ing arm I6. ' ' ‘ ' drawings and throughout the description. In the drawings: ' l r‘ An adjusting screw 32 is mounted in each‘of the posts l5 and extends vertically downward therein, the lower extremity being reduced in di A’ Fig. l is a perspective view of the improved tire casing repair device; \ ‘ ameter to provide a bearing shoulder inv the post. A hand, knob 33 is secured on the lower .ex tremity of each screw‘ 32- by means of which it Fig. 2 is a plan, view thereof; ‘ Fig. 3- is a front view; > Fig. 4 is a vertical section taken on the lin 4-4, Fig. 3; - may“ be rotated. A nut 34 is threaded ontov each of the adjusting screws- 32‘ within the posts 15. Fig. 5 is a cross-section taken on the line 5-5, Fig. 3; and I The nut is provided with two oppositely-extend Fig. 6 is a detai1'perspective view illustrating one type of clamping band which may be used in connection with the improved vulcanizer. The device is supported upon a pedestal [0 which is preferably formed of steel plate ma 40 ing studs 35 which project forwardly and rear wardly through openings in the sides on the posts l5. An arcuate bead arm 36 is supported by the studs 35 at the front and back of the curing terial so as to form a hollow interior in which arm It‘. The bead arms have a contour to con form to the external contour of a typica1 tire‘ casing bead portion, and are provided with sleeves 31 which slide over the studs 35. A clamping band 38, such as illustrated in Fig. 6, is employed in connection with the device. The clamping band consists of an arcuate ?ex ible metallic hood conforming to the outer con wardly therefrom in parallel relation. , tour of a typical casing. A link chain 39 de A hollow post I5 is secured on top of the pro 50 pends from adjacent each‘ corner of the band jecting extremity of each of the arms I3. The as illustrated in applicant's United States Patent posts I5 support an arcuate curing arm IS. The ‘No. 2,112,440. The pressure plate 25 is provided curing arm is formed with a base lug l4 ad-, with chain notches 40 into which the links of the chains 39 are engaged. . jacent each of its extremities, which rest upon In use, the tire casing to be repaired is hung the posts I5. 55 suitable shelves (not shown) may be placed for conveniently supporting tools and other acces sories. A cap plate l2 closes the top of the pod estal. Two spaced-apart supporting arms l3 are se cured on top of the cap plate I2 by means of suitable attachment screws 20 and project for 4 tion substantially at the mid-point thereof. ‘on the projecting extremity of each arm; an arcuate curing arm extending between the sup The screws 32 are adjusted to raise or lower the porting members and being secured thereto ad bead arms .36 against the heads of the casing‘ so that they will support the latter uniformly‘v throughout the length of the repaired. portion to prevent the weight of the casing from widening,‘ jacent each of its extremities; a jack screw ro ‘ tatably suspended from the mid-portion of said over the curing arm [6, with the repaired por curing arm between the supporting members; a pressure plate threaded on said jack screw; a clamping band extending over said curing arm; stretching, and distorting the repair. 7 means for connecting said clamping band to said The clamping band 38 is placed over the repair, 'the chains’39': are drawn tightly-by hand, "and 10 ‘pressure plate; a vertical tenon _forn'1ed_fon each‘ of said supporting members, the tenons on the links ,thereof- are-engagedv in the four chain ‘opposite members facing each other; and notches in said pressure plate for engaging said tenons wardly, thus placing the chains undertension 7. V‘ to prevent rotation of said pressure plate. 2. A tire casing repair device comprising: a and clamping the band 38 snugly‘a'gainst“ the 15 repair, and the latter snugly against" the-curing , . pedestal; a pair of supporting arms detachably notches 40 of the plate 25. The hand wheel 21 is then rotated to pull the pressure plate down? arm l6. . » 1 a. , _ » i ;. secured to said pedestal and extending forwardly " therefrom; ‘a supporting member mounted on When the repair; is com-jg, I pleted the hand wheel 21 is rotated to raise the 20 1. pressure plate 25 so as to release the chains 39 to allow the links to be slipped from the notches‘ 510 so that the clamping band 38 may be removed. 1 There is; of course, a slight lineal expansive and contractive movement of the curing arm l6‘ .theprojecting extremity of each arm; an arcuate due to variations in temperature therein. This extending over said curing arm; link chains ex movement causes'the supporting arms I3 to move toward or away’ from each other, and is accom-i modated by means of slotted bolt holes M in the engaging meansin said pressure'plate, said sup porting members being hollow; a vertical ad-y ' The curing is effected as usual by the heat of the curing arm I6. armstthrough which the attachment bolts 2% pass. . curing arm extending ijbetween the supporting members andrbeing secured thereto adjacent each of its extremities; a jackscrew rotatablysus pended from the mid-portion of said curing arm between supporting 'members; a pressure plate threaded on said jack screw; a clamping band tending irom said clamping band into chain .30 lusting screw .in each of said supporting mem bers; a nut threaded oneach adjusting screw; _ .In' the .usual curing arm the plies or layers of repair'material on the inside of the casing studs projecting forwardly and rearwardly from each nut and from» said supporting members; and force the latter outwardly to create arbulge an arcuate bead iron extending between the studs therein, . This improved curingarm, however,’ has 35 andbeing supported thereby at each side of said ‘ an arcuate depression 42» about its middle which curing arm. accommodates the internal plies or patches and '3. A tire casing repair device comprising: a ' prevents them from forcing the casing contour pedestal; a pair vof supportingarms detachably outwardly to form’ a bulge. The depression 42 secured to said pedestal and extending forwardly extends completely around the casing-engaging‘ .40 ‘therefrom; a supporting member mounted on portions of the, curing arm, as shown in Fig. 2. V ‘ While a speci?c form of the improvement has the projecting extremity of each arm; an arcuate curing arm extending between the supporting ' been described and illustrated herein, it is. de sired to be understood that the. same may be. members and being secured thereto adjacent each ,of'its ‘extremities; a verticaliadjusting screw in varied, within the scope of the appended claims,‘ , ; each of saidsupporting members; a nut threaded without departing from the spirit of the inven-f ' on each-adjusting screw; studs projecting fore wardly and rearwardly from each nut and from tion. ' ._ V > _ i I . Having thus described the invention, what‘ is. laimedfanddesired secured byLetters Patent‘ 1s: . V V v. . 1. A’ tire casing repair device comprising: a pedestal; a pair of'supporting arms detachably secured to said pedestal and extending fore " wardly therefrom; a supporting membermountedi said supporting members; an arcuate bead iron extending between the studs and'being supported thereby at each~side of said curing'arm; and means vfor drawing . a tire casing against said curing arm. ' ' HAROLD v. .IJAMES.