2/25/24, 12:23 PM
`
`Drive Sprockets and Track Drives
`
`&, 281-968-4773
`
`Drive Sprockets and Track Drives
`
`by Dr McCaslin | Mar 25, 2019 | Undercarriage, Tracks, Drive Sprocket|
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`Drive Sprockets and Track Drives
`
`&, 281-968-4773
`
`Drive Sprockets and Track Drives
`
`by Dr McCaslin | Mar 25, 2019 | Undercarriage, Tracks, Drive Sprocket|
`
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`8
`9
`is sales@texasfinaldrive.com
`$%&'
`23450
`
`Drive sprockets workwith your final drive or track drive in order to keep your
`machine moving. To get the most out of your final drive, you need to
`
`understand the impact that the drive sprocket has on its performance and
`recognize the signs of sprocket wear. And thatis the topic of this Shop Talk
`Blog post!
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 1 of 13
`
`1/13
`
`
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 1 of 13
`
`
`
`2/25/24, 12:23 PM
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`Here are someotherinteresting Shop Talk Blog posts...
`
`e CTL Maintenance
`
`e Excavator Tires vs Tracks
`
`e Maintaining the Final Drive on Your Excavator
`
`How Drive Sprockets Work
`
`The drive sprocketis attached the final drive motor (aka, track drive) so that
`when the drive motor turns the sprocketalso turns. As the sprocket turns,its
`
`teeth engagewith the track links and cause the track to movein a continuous
`loop -- much like the sprocket on a bicycle engages the chain to make the
`wheels turn. The teeth of the drive sprocket act muchlike gear teeth as they
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 2 of 13
`
`2/13
`
`
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`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 2 of 13
`
`
`
`2/25/24, 12:23 PM
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` ÿ ÿ
`
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`engage with the tracks, but if you examine the teeth closely you'll notice they
`don't look like standard gear teeth.
`
`How Drive Sprockets are Attached
`
`For smaller machines such as compact track loaders and mini-excavators, the
`sprockets are in one piece. On larger machines, such as full-size bulldozers, the
`sprockets usually come in two segments. This makesit easier to remove/install
`
`the sprocket. In either case, the sprockets are bolted to the final drive motor
`and because the number of bolt holes on sprockets can vary,it is a good idea
`to check that the number of sprocket bolt holes match up with the bolt holes
`on your track drive motor. Failure to do so will mean ordering the wrongfinal
`drive track motor.
`
`
`
`Drive sprockets weren't always designed to be bolted on. At one time they were
`welded onto the final drive motor and had to be cut off when they were
`replaced. Eventually, welded-on adapterswereinstalled that allowed the
`sprocket to be bolted on, and more moderndesigns use the bolted approach
`altogether.
`
`When someone sends in a final drive motor for us to take a look at or
`
`rebuild/reman, we advise them to removethe sprocket. We don't need the
`
`sprocket in place to evaluate the motor and the added weight(which can be
`significant) unnecessarily increases your shipping costs.
`
`Signs of Sprocket Wear
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 3 of 13
`
`3/13
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`
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`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 3 of 13
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`2/25/24, 12:23 PM
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` ÿ ÿ
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`Drive Sprockets and Track Drives
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`
ÿ
ÿÿ
ÿ
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`The teeth on a drive sprocket are where you look for wear. They should be
`tall and flat at the end, not sharp or dished at the end. And the sprocket, and
`morespecifically its teeth, begin to wear, its diameter becomes smaller. This
`
`causes whatis knownas a pitch mismatch, wherethe teeth on the sprocket no
`longer interact with the track links as effectively. This can accelerate the wear of
`the sprocket and reduce the efficiency of your equipment.
`
`If your sprocket showssign of excessive wear, then its time to replace it before
`it starts to cause abnormal track wear or begins to negatively affect the
`
`performance of your final drive motor.
`
`Preventing Sprocket Wear
`
`One of the key waysto prevent accelerated sprocket wear is to check the track
`
`tension. If the tension is too tight, it will cause wear on the sprocket teeth.
`We've talked before about the importance of keeping the undercarriage clean,
`and the condition of the undercarriage can affect the track tension (especially if
`there is a build up of dried mud and debris). That's part of the reason we put so
`
`much emphasis on keeping the undercarriageclean.
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 4 of 13
`
`4/13
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`
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`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 4 of 13
`
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`
` ÿ ÿ
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`2/25/24, 12:23 PM
`
`Conclusion
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`Without a functioning drive sprocket, your track drive won't be able to propel
`your machine. Fortunately, there are waysto help your drive sprocketlast
`longer: keep the track tension at a proper level and keep your undercarriage
`
`clean.
`
`GET MINE NOW!
`
`(281-259-5267
`
`eCMISCEOmPalseeeEllkee
`Come check out our Final Drive Shop! ©
`
`EATON Excavator Final Drive Motors
`(Free Cheat Sheet)
`
`Maximum Output Torque
`
`ft-lbs
`
`347
`
`Maximum Pressure
`
`psi
`
`62,4272
`
`2,982
`
`Maximum Flow
`Maximum Case Pressure,
`Variable
`
`gal/min 2.64
`‘i
`
`,
`
`Maximum Case Pressure, Fixed
`
`2-Speed Pilot Pressure
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 5 of 13
`
`5/13
`
`
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 5 of 13
`
`
`
`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`Add a comment...
`
`Topics: Undercarriage, Tracks, Drive Sprocket
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`hennie botha hennie
`
`2/3/2022, 3:29:27 AM
`
`why does a sprocket bolt keeps on breaking on a excavator
`
`. Reply to hennie botha hennie
`
`Sara McCaslin
`
`2/7/2022, 9:56:11 AM
`
`Hello, Hennie. One possibility is that the hole on the bolt in question
`might be out of shape(a little too big) and that is causing the bolt to
`
`break.
`
`# Reply to Sara McCaslin
`
`First Name*
`
`% &ÿÿ'())*(ÿ,-.'/ÿ'())*(
`% &ÿÿ0/1/ÿ234/56*)
`
`Last Name
`
`Email*
`
`Website
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page6 of 13
`
`6/13
`
`$
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 6 of 13
`
`
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`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
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`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`Comment*
`
`%&'()*()+ÿ-.ÿ/01234152
`6&789*.ÿ:ÿ;)&<=
`
`Submit Comment
`
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`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
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`Heavy Equipment101
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`
`
! !" #
!
!!
!
`
`Search
`
`
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 7 of 13
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`7/13
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`$
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 7 of 13
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` ÿ ÿ
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`
`Final Drive
`
`Mini-excavators
`
`2/25/24, 12:23 PM
`
`Final Drive Maintenance
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`Hydraulic Motors
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`
`Recent Posts
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`
! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page8 of 13
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`8/13
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`$
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`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 8 of 13
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`
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`Drive Sprockets and Track Drives
`
`Exploring Hydraulic Connectors: Types and
`
`@ Applications
`
`posted at Feb 18, 2024
`
`Heavy Losses: Uncovering the World of
`Construction EquipmentTheft
`
`posted at Feb 2, 2024
`
`Catastrophic Failure: Why Gear Oil
`
`Maintenance is So Important
`
`posted at Jan 26, 2024
`
`va @
`
`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`wre CoaeaJ
`
`HL
`
`We
`
`-
`a“
`
`HEAVY LOSSES:
`*
`UNCOVERING THE-x|
`ORLDOF ~
`
`peesOCbrant
`bi
`
`posted at Jan 11, 2024 Exhibit 2034
`
! !" #
!
!!
!
`
`Differences Between Reman and Used Final
`
`Drive Motors
`
`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`Bazooka v. Nuhn - IPR2024-00098
`Page 9 of 13
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`9/13
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`$
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`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 9 of 13
`
`
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`2/25/24, 12:23 PM
`
`3
`
`
ÿ
ÿÿ
ÿ
` ÿ ÿ
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`posted at Jan 7, 2024
`
`Drive Sprockets and Track Drives
`
`20 Industry Best Practices for Hydraulic
`Cleanliness
`
`Our Brands
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`Airman
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`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`Hyundai
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`IHI
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`
! !" #
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!!
!
`
`Exhibit 2034
`Bazookav. Nuhn - IPR2024-00098
`Page 10 of 13
`
`10/13
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`$
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 10 of 13
`
`
`
`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`Ingersoll Rand
`
`JCB
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`John Deere
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`Kato
`
`Kobelco
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`Komatsu
`
`Kubota
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`Libra
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`Link-Belt
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`Messersi
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`Mustang
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`New Holland
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`O&K
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`Pel Job
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`Samsung
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`Sany
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`Schaeff
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`Sumitomo
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`Takeuchi
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`Terex
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`Volvo
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`XCG
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`Yanmar
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! !" #
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!
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`Bazooka v. Nuhn - IPR2024-00098
`Page 11 of 13
`
`11/13
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`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 11 of 13
`
`
`
`Drive Sprockets and Track Drives
`
`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`About
`
`Services
`
`Solutions
`
`Shop Talk Blog
`
`Request for Quote
`
`FINAL DRIVE SHOP
`
`WaaeOle ale
`
`Policies, Terms and Conditions
`
`Contact
`
`About
`
`Texas Final Drive, a division of
`
`Woodland Fluid Power Inc
`
`26639 Hufsmith Conroe Rd
`
`Magnolia, TX 77354
`281-968-4773 or 281-259-5267
`
`Note
`
`All manufacturers' names, symbols and descriptions are used for reference purposesonly,
`and it is not implied that any part listed is the product of these manufacturers.
`
`Request For Quote
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`Your Name
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`Your Email
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`Your Phone Number
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`
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ÿ
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`Page 12 of 13
`
`Please provide details about the part you need
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`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
`
`
! !" #
!
!!
!
`
`Bazooka v. Nuhn - IPR2024-00098
`
`12/13
`
`
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 12 of 13
`
`
`
`2/25/24, 12:23 PM
`
` ÿ ÿ
`
`
`© Your Message
`
`Drive Sprockets and Track Drives
`
`
ÿ
ÿÿ
ÿ
`
`© 2017 Texas Final Drive, a division of Woodland Fluid Power Inc - All Rights Reserved.
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`BMIT RFQ
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`Home
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`Contact
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`https://info.texasfinaldrive.com/shop-talk-blog/drive-sprockets-and-track-drives
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! !" #
!
!!
!
`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 13 of 13
`
`13/13
`
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`
`Exhibit 2034
`Bazooka v. Nuhn - IPR2024-00098
`Page 13 of 13
`
`
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