6. The tooth profile is as shown. The sprocket teeth are usually truncated one chain pitch above the bottom of the seat; this is not shown here. Note that this shape is not the only one that will work - bicycles in particular use various tooth shapes for different circumstances.
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www.gizmology.net/sprockets.htm
www.gizmology.net/sprockets.htm
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Oct 25, 2005 An improved tooth profile for a roller chain sprocket enables noise reduction from impact and polygonal action during the meshing process.
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www.freepatentsonline.com/6958026.html
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In a roller chain sprocket for a chain drive, the profile of each tooth comprises a proximal portion (AB), an intermediate portion (BC) and optionally a...
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www.freepatentsonline.com/6036614.html
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Profile Imperial Sprocket – Sprockets: Information and photos of the Profile Overall Review: i have a 28 tooth, nice lite sprocket for those who don't...
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www.vitalbmx.com/product/guide/Sprockets,11/Profile/Imp...
www.vitalbmx.com/product/guide/Sprockets,11/Profile/Imperial-Sprocket,105
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pressure AL show how effective the modernization of the sprocket tooth profile is; it con- sists in a favorable reduction of the profile angles and in...
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www.springerlink.com/index/V368888182355611.pdf
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On most modern motorcycles, with factory speedometer error being as high as 10%, even a modest sprocket gearing change can have the speedometer off by 15%. The sprocket change will also cause higher odometer reading.
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www.pashnit.com/product/speedohealer.html
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CHAINWHEEL Rear Cog Tooth Size; TOOTH SIZE 9 10 11 12 13 14 15 16 17 18; 24 53.34 48 43.64 40 36.92 34.28 32 30 28.24 26.66; 25 55.56 50 45.46 41.66 38.46 35.72 33.34 31.26 29.42 27.78; 26 57.78 52 47.28 43.34 40 37.14 27 60 54 49.1 45 41.54 38.58 36 33.76 31.76 30; 35 77.78 70 63.64 58.34 53.84 50 46.66 43.76 41.18 38.88;
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www.profileracing.com/media/manuals/racergear.pdf
www.profileracing.com/media/manuals/racergear.pdf
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10. A roller chain sprocket comprising: a first plurality of A-profile teeth formed with a first asymmetric profile and a second plurality of B-profile teeth formed with a second asymmetric profile that is different from said first asymmetric profile, wherein said A-profile teeth each define a first pressure angle and...
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www.wipo.int/pctdb/en/wo.jsp?wo=2005098280&IA=WO2005098...
www.wipo.int/pctdb/en/wo.jsp?wo=2005098280&IA=WO2005098280&DISPLAY=CLAIMS
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Figure 5C illustrates a second asymmetric tooth profile AT, as used for the B- profile teeth, overlaid with the first asymmetric profile AT, as used for the A-profile teeth for a sprocket 112,114. Roller seating location C is identical for both profiles AT.AT' in the illustrated embodiment, but need not be.
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www.wipo.int/pctdb/en/wo.jsp?IA=US2005010500&DISPLAY=DE...
www.wipo.int/pctdb/en/wo.jsp?IA=US2005010500&DISPLAY=DESC
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