Stops or abutments 122 are mounted upon the framework 20 in position to limit the upward movement of the pedal 118 under the impetus of springs 121. Fig. Serial No. Once the tire is supported, both the infeed and outfeed conveyors drop 1 1/2 to allow the tire to spin freely. Design, innovation, and efficiency are essential in the creation of any equipment. FRANCIS M. McLAUGHLIN. A tire trimming device comprising a member adapted to be held in resilient engagement with a tire andadapted for r'ela tive movement with respect there-to, said. Owing to the fact that the upward force eiierted thereon by the weight 37 is but slightly in excess of the 'tl0\ nward thrust exerted ,y the weight of the member 30, the member 30 ismoved downwardly by the weight of the tire until the tire is sup ported by the rollers 8. - User Information Legal Enquiry Guide, 1999-2022 Alibaba.com. V. V. MESSER TIRE TRIMMING MACHINE Filed March 1924 4 Sheets-Sheet l INVENTOR 1 40 ATT NEY Feb. 14, 1928. w v, v. v. MESSER TIRE TRIMMING' MACHINE Filed March 1924 4 Sheets-Sheet 2 INVE TOR @0011? Explore an immensely large featured collection of wholesale tire trimming machine on Alibaba.com. It is desirable that the knives 75 be longitudinally adjustable, and to this end each knife is formed with a pair of apertures 80, 80 for receiving the heads of respective bolts 81, 81 that extend through respective slots 82 formed in. and means for driving said rotatable knife. Different size wholesale tire trimming machine or new and used machinery, including mixers, presses, and bale cutters, are available at competitive prices for various purposes. A machine for trimming rubber tires, comprising means for supporting a tire in a vertical position and for rotating it circumferentially. 12. In a tire trimming machine, the combination of means for supporting a tire and rotating it on its own axis, a pivotally mounted arm movable in the plane of the tire, a plurality of flat tire trimming knives pivotally carried upon the free end of said arm, and means for automatically oscillating at least one of said trimming knives on its pivot determinately with relation to said arm as the tire is rotated. - In a tire trimming machine, the combination of means for supporting a tire and rotating it on its own axis, a pivotally mounted arm movable in the plane of the tire, means normally urging the free end of said arm toward the tire, a plurality of tire trimming knives mounted upon the free end of said arm, and yielding means normally urging said knives relatively of said arm toward the tire. The roller 35 is positioned in the same vertical plane as the drive rollers 25, 26. Rising from the front side of the framework 20 is a post 30 to the top of which is secured an overhanging arm 31 that carries a short, downwardly extending post 32 near its free end. The bell crank arm 101 normally is substantially horizontally disposed, and the counterweight 100 is adjustable longitudinally thereof. /* Add your own Mailchimp form style overrides in your site stylesheet or in this style block. The respective stub shafts 65 extend both ways from their mountings in the end portions of the knife shafts 64, and upon their projecting inner end portions they carry respective swivel blocks 69 which are retained thereon by spring clips 10 secured to the respective knife shafts 64. Terms of Use A tire-trimming machine comprising support, means thereon for supporting and peripherally driving a tire, and a trimming device mounted on said support and adapted to be brought into trimming engagement with the tread portion of said tire. so as to tread. Adjustably mounted on post 32 is a bracket 33 that carries an angular, pivotally mounted arm 34 that has a waisted roller 35 journaled on one side of its free end. 11. Tyres will be fed to the machine randomly, and as long as the tyre sizes are within the machine range, the machine will trim automatically without any adjustment or operator intervention. The knife 4-2 is longitudinally adjustable, so that when the cutting edge l3 adjacent to the opening 41 is dulled, it may be moved and secured in a new position so as to provide 7 Disposed within themember 30 is a rotatable cutting element at, mounted upon a shaft 45. The mechanism for trimming the tire 27 comprises a pair of spaced apart bearing brackets 46, 46 that are mounted on the end of the frame3f work 20 at the work-receiving end thereof, and journaled in said bearing brackets is a gear housing 47 that has a tubular, axial, extension 48 projecting toward the front of the machine. & Terms of Use. The Spadone team is here to answer your questions. The teeth 94 are beveled on their underside, and the lateral margins of the knife are beveled at 95. One end of shaft 87 projects beyond its bearing and has mounted thereon a lever 88 to the free end of which is connected one end of a tension spring 89, the other end of the latter being connected to stud 90 on said structure 67a. Contact a supplier today and request a quote. 13. Heretofore, it has been customary toremove these small protuberances by handby of thetire design, and must thereforebe means of a knife provided withaV-shape i cutting edge. A portion of the face 40 consists of a flat knife member 42, which is provided with a cutting edge 43 constituting one edge of the aperture ll. 6. The heads of bolts 81 are slotted and their tops are flush with the upper surface of the knives. from tires or belts, INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. | Country Search After the tire-has been completely trimmed, that is, after it has vcompleted a full revolution, it is -re moved from the maehine by the operator by raising the roller '20 and raising the tire from the rollers 8. 12. It is desirable that during the removal of the tire as described, the free end of arm 55 be depressed so that the knives 75 thereon will not trim corners from the tread of the tire as the tire is tilted laterally during the initial stage of its removal. 1, with guards removed, illustrating in detail the construction thereof. Enjoy maximum returns on your investment by shopping at Alibaba.com today. The pedal end of arms 116 normally is urged upwardly by a pair of tension springs 121, 121 connected to the respective arms and to fixed points on the framework 20. The broad face 40 of the member 30. engaging the tire surface, prevents the cooperating knives l2 and l l from injuring the surface of the tire, but the overflow extends below the main surface ofthe tire tread and projects into the opening 41, and is severed by the cooperation of the knives 4:2 and 44. The arrangement is such that the roller 35 assists in retaining the tire in upright position, and yieldingly urges it into good frictional engagement with the drive rollers 25, 26. 33010002000092 INSERTS, Use of unspecified rubbers as moulding material, INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES, Pneumatic or solid tyres or parts thereof, GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE, CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT, Reuse, recycling or recovery technologies, Apparatus for removing the squeeze-out on rubber products, Apparatus for trimming protuberances from tires, Machine for applying tread material to tire casings, Apparatus for trimming projections from tires, Apparatus for feeding elongated cylindrical objects, Method and apparatus for slitting tire treads, Tire carcass and rubber reclaiming machine, Machine for preparing tires for retread vulcanizing. You will also enjoy the best online shopping experience by saving time and money while getting superb items. Thus, the roller members 8 rotate the tire in a circumferential direction, thus permitting the various portions of the mold overflow to successively project into the open ing ll in the cutter face, and be severed from the tire. Fig. For removing the overflow rand and/or protuberances 27a at the medial plane of the tire 27, a knife 84 is provided, which knife is arranged to engage the tire ahead of knives 75, the longitudinal centerline of knife 84 being in the same plane as medial plane of the tire. The shafts 9 are pro- I position while it is vided with relatively large gear wheels 11, which drive the shaft 9 and the rollers 8, and which in turn are driven by a relatively small gear wheel 12 mounted upon a suitable axle (not shown), supported by suitable bearings 14. What is claimed is: 1. In. The arrangement is such that shaft 49 is driven by the motor 44. In a tire trimming machine, the combination of means for supporting a tire and rotating it on its own axis, a pivotally mounted arm movable in the plane of the tire, and a plurality of tire trimming knives mounted upon the free end of said arm, one of said knives being so positioned as to operate against the middle of the tread portion of said tire and two of the knives being positioned in respective planes disposed at an angle to the plane of the first mentioned knife so as to operate at adjacent regions laterally of said middle region. 'A tire trimming device comprising a member adapted to be held in resilient engagement with a tire and adapted for relative movement with respect thereto, said member being provided with an opening in the tire engaging surface, and cooperating cutting elements disposed within said opening and adapted to sever protuberances which extend thereinto. originally applied to the carcass, has a plain surface, and the pressure exerted on the car-'- bag forces the rubber in the provided on the inner surface of the tire mold, to form the tread pro-tuberances. On the under side of the knife the teeth 77 are beveled on each lateral margin as shown in Figure 14, the beveling extending rearwardly a substantial distance into the body of the knife, the arrangement being such as to provide a thin, sharp, pointed recess between each tooth 77 for the purpose of severing the protuberances 27a from the tire 27 as said protuberances are shown between the teeth 77 by rotation of the tire in the direction indicated by the arrows in several of the figures. By this. The chief 82/99.1, 451/397, Click for automatic bibliography illustrated'in Fig. The arrangement is such that the spring 89 normally urges the free end of arm 85, with knife 84 thereon, toward the tire 27, with the cutting end of the knife in position to engage and sever the protuberances on the tire. Fig, 5. is a sectional view of the machine, 7. illustrated in Figs. | | Affiliate, Product Listing Policy and means for trimming the mold overflow from said tire comprising a relatively stationary member adapted to be held in resilient engagement with the periphery of said tire and provided with cooperatingstationary and rotatable knives. In the mounting of the tire as described, the top of the tire engages roller 35 and moves it to the position shown in Figure 1. . Mounted upon the shafts 23, 24, centrally thereof between said brackets, are respective driving rollers 25, 26, each of which rollers is centrally grooved as is most clearly shown in Figure 2, and has the portions at opposite sides of said groove knurled and oppositely tapered toward the groove. .By my invention, I have provided a ma-' chine which eliminates both of these objec tions, asit permits one operator-to trim-a great-lyincreased.number of tires, and it ocequivalent number of hand trimmers. Spadone is a pioneer with over 100 years of experience in the manufacture of equipment and specialty production machines for the rubber and tire industry. When said latch is so engaged it is in horizontal position and holds the bell crank and the lever arm 107 in the position shown in Figure 18 whereby the free end of arm 55 is depressed. 2004-2022 FreePatentsOnline.com. Alipay to overlie a part of knife shaft 64, the arrangement being such that the knife, by engagement with said knife shaft, limits the angular movement of the knife holder 13 under the impetus of springs 74. Also, it produces a consistently better result, in that all of the tires are trimmed exactly alike, and maybe trimmed as close to the tread as is desired. The Spadone Vent Trimmer handles passenger and truck tires up to 60 OD. RAY D. HULSLANDER. The machine is equipped with knives that are economical to use and easy to install. This machine could use tyre recognition system or barcode detection system to enable recipe controlled of each tyre trimming. The chief objects of the invention are quickly and neatly to remove the overflow rand and other protuberances from the surface of a vulcanized tire; and to provide apparatus that automatically accomplishes the foregoing result. The motor 44 being constantly driven, the operator at the right is required only to place tires 27 in the machine, upon the driving rollers 25, 26, the latter then peripherally driving the tire upon its own axis in the direction indicated by the arrow. The member 30 is provided with a relatively broad upper or contact face 40, which a fre h cu ting edge therefor. Other objects will be manifest. Tmall Taobao World 7. 8. Tires 27 are removed from the machine by toppling them over an elongate roller 112 that extends along the rear side of the machine, said roller being journaled in suitable bearing brackets 113, mounted upon the framework 20. [Jfissze ATTORNEY 7Z5 tread into the various indentures 35 provide a perfect. When a tire is placed upon the rollers 8. it first engages the face 4-0 of the member 30. 3. The latter are 60 mounted upon the adjacent ends of a pair of knife shafts 64, 64, which shaft-ends are journaled in the housing 56. Also, in order that all of the indentures of the tire mold. 1 is a perspective view of a machine constructed in accordance with myinvention with a-tire in position for trimming. A pair of compression springs 14, 74 are mounted between each swivel block 69 and knife holder 73 in position to urge the free end of the knife holder upwardly.