跑步机总体结构设计.docx

跑步机总体结构设计.docx

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跑步机总体结构设计

（57）ABSTRACT

Anexercisetreadmillisdisclosedwhichincludesvariousfeaturestoenhanceuseroperationandtoreducemaintenancecosts.Thesefeaturesincludehandlebarswithanupwardlycurvedcentersectionandoutwardlyflaredsideportionsalongwithpivotingrearlegsforthetreadmillframe.Thecontrolpanelfeaturesincludesnap-inusertraysandanoverlaycoveringthenumericalkeypadalongwithanauxiliarycontrolpanelhavingasubsetofusercontrolsthatarelargerandmoreeasytousethanthesamecontrolsonthemaincontrolpanel.Maintenanceenhancingfeaturesincludetheprovisionforaccesspanelsinthetreadmillhousingandabeltlubricationsystemthatusesaprimingpulsetoclearthewaxsprayingnozzlealongwithusingtreadmilloperatingcriteriaforschedulingandoperatingthelubricationsystem.Forinjectionmoldedpartssuchasthecontrolpanel,structuralstrengthisenhancedbyutilizinggas-assistinjectionmoldingtoformstructuralribs.Anotherfeatureincludespre-glazingthetreadmillbelt.Soundandvibrationarereducedinatreadmillbymountingthetreadmillbeltdrivemotoronmotorisolationmountsthatincluderesilientmembers.Afurtherfeatureisadoublesidedwaxeddeckwhereonesideofthedeckiscoveredbyaprotectivetape.

11Claims,24DrawingSheets

1

TREADMILLMECHANISM

CROSS-REFERENCETORELATED

APPLICATIONS

5

ThisapplicationisadivisionalofapplicationSer.No.10/437,111,filedMay13,2003,nowU.S.Pat.No.6,899,659whichinturniscontinuationofapplicationSer.No.09/944,141,filedSep.4,2001,nowU.S.Pat.No.6,572,512,whichinturnisacontinuationinpartofapplicationSer.No.09/651,247,filedAug.30,2000,nowU.S.Pat.No.6,776,740andpriorityclaimedunderprovisionalapplicationsSer.No.60/159,268filedOct.13,1999and60/152,657filedSep.7,1999.

15

FIELDOFTHEINVENTION

Thisinventiongenerallyrelatestoexerciseequipmentandinparticulartoexercisetreadmills

20

BACKGROUNDOFTHEINVENTION

Exercisetreadmillsarewidelyusedforperformingwalkingorrunningaerobic-typeexercisewhiletheuserremainsinarelativelystationaryposition.Inadditionexercisetread-millsareusedfordiagnosticandtherapeuticpurposes.Generally,forallofthesepurposes,thepersononthetreadmillperformsanexerciseroutineatarelativelysteadyandcontinuouslevelofphysicalactivity.OneexampleofsuchatreadmillisprovidedinU.S.Pat.No.5,752,897.30

Althoughexercisetreadmillshavereachedarelativelyhighstateofdevelopment,thereareanumberofsignificantimprovementsinthemechanicalstructureofatreadmillthatcanimprovetheuser'sexerciseexperienceaswellimprovethemaintainabilityandreducethecostofmanufactureof35treadmills.

SUMMARYOFTHEINVENTION

Itisthereforeanobjectoftheinventiontoprovidean40exercisetreadmillhavinganimprovedmechanicalarrangement.

Itisalsoanobjectoftheinventiontoprovideanexercisetreadmillwithanupwardlycurvingcenterhandlebarthatallowstheusertograspthehandlebaratanumberof45differentheightsandprovidesadditionalkneeroomforauserrunningonthetreadmill.

Anadditionalobjectoftheinventionistoprovideanexercisetreadmillwithapairofsidehandrailswheretherearportionsflairoutwardly.

Anotherobjectoftheinventionistoprovideanexercisetreadmillwithpivotingrearlegs.

Stillanotherobjectoftheinventionistoprovideanexercisetreadmillhavingasnap-inaccessorytray.55

Anadditionalobjectoftheinventionistoprovidearemovableoverlayovercertainportionsofatreadmillcontrolpanelsuchasakeypad.

Itisstillanotherobjectoftheinventiontoprovideatreadmillhavingacontrolpanelthatincludesusercontrols60withanauxiliarycontrolpanelhavingasubsetoftheusercontrols.

Itisalsoanobjectoftheinventiontoprovideahousingcoveringatreadmillframewithanaccesspaneltoprovidereadyaccesstovariouscomponentsofthetreadmillincludinginsometreadmillscomponentsofabeltlubricationsystem.

2

Additionally,itisanobjectoftheinventiontoprovideatreadmillbeltlubricationsystem,wherealubricantsuchaswaxissprayedonthebeltfromanozzle,withamechanismforsprayingaprimingpulseofthelubricantthroughthenozzleofthesystempriortothenormalbeltsprayingoperationofthesystem.Operationofthelubricationsystemcanbeenhancebyutilizingtreadmilloperatingcriteriatobothschedulebeltlubricationsandtosequencetheactuallubricationprocessincludingtheprimingpulse.

Afurtherobjectoftheinventionistoprovideanexercisetreadmillhavingacontrolpanelhavingsupportribsformedfromgas-assistmoldedinjectedplastic.

Stillanotherobjectoftheinventionistoprovideatreadmillwithabelthavingapre-glazedsurface.

Yetanotherobjectoftheinventionistoprovideanexercisetreadmillhavingamotorconnectedtoapulleyformovingabeltwherethemotorissecuredtotheframeofthetreadmillbyamountingstructurethatincludesresilientmemberstoisolatetheframefrommotorvibration.

Afurtherobjectoftheinventionistoprovideanexercisetreadmillwithadoublesideddeckhavingitsundersidecoveredbyaprotectivetapetoprotectthewaxedsurface.

BRIEFDESCRIPTIONOFTHEDRAWINGS

FIG.1.isaperspectiveviewofanassembledexercisetreadmillaccordingtotheinvention;

FIG.2isatopplanviewoftheassembledexercisetreadmillofFIG.1illustratingtheoutwardflareofapairofsidearmhandles;

FIGS.3-7areviewsofacentralarmhandleofthetreadmillofFIG.1;

FIGS.8A-BaresideviewsofthetreadmillofFIG.1illustratingapivotingrearfootassembly;

FIG.9AisaperspectiveviewofapadassemblyforusewiththepivotingfootassemblyofFIG.8;

FIG.9BisasectionedsideviewofthepadassemblyforusewiththepivotingfootassemblyofFIG.9A;

FIG.10isapartial,explodedperspectiveviewofthecontrolpanelusedintheexercisetreadmillofFIG.1illustratingapairofsnap-inaccessorytraysandaremovableoverlay;

FIG.11Aisaperspectiveviewofanassembledexercisetreadmillshowingthelocationofanauxiliarycontrolpanelaccordingtotheinvention;

FIG.11BisanenlargedperspectiveviewofthelocationofanauxiliarycontrolpanelofFIG.11A;

FIG.12AisaperspectiveviewofanassembledauxiliarycontrolpanelofFIGS.11A-B;

FIG.12BisanexplodedperspectivetopviewoftheassembledauxiliarycontrolpanelofFIGS.11A-B;

FIG.12CisanexplodedperspectivebottomviewoftheassembledauxiliarycontrolpanelofFIGS.11A14B;

FIG.13isapartial,explodedperspectiveviewoftheexercisetreadmillofFIG.1illustratingaremovableaccesspanel;

FIG.14isapartial,brokenaway,topplanviewofthetreadmillofFIGS.1and2showingabeltlubricationmechanism;

FIG.15isasectioneddrawingofaportionoftheexercisetreadmillofFIG.1illustratingtheformationofastructuralribformedbygas-assistinjectionmolding;

FIG.16isatopplanviewofalowerhousingofthecontrolpanelofFIG.10illustratingstructuralcomponentsformedbythegas-assistinjectionmoldingmethodofFIG.15;

3

FIG.17isanillustrationofawovenbelthavingaglazedsurfaceforusewiththetreadmillsofFIGS.1and11;

FIG.18isasectioned,partialsideviewofatreadmillofthetypeinFIG.11havingafirstembodimentofamotorisolationmountaccordingtotheinvention;

FIG.19isanexplodedperspectiveviewofthemotorisolationmountofFIG.18;

FIG.20isanassembledperspectiveviewofthemotorisolationmountofFIG.18;

FIG.21isanexplodedperspectiveviewofasecondembodimentofamotorisolationmount;

FIG.22isanassembledperspectiveviewofthesecondembodimentofamotorisolationmountofFIG.21;

FIG.23isatopviewofathirdembodimentofamotorisolationmount;

FIG.24isabottomperspectiveviewofthethirdembodimentofamotorisolationmountofFIG.23;

FIG.25isasideviewofthethirdembodimentofthemotorisolationmountofFIG.23;

FIG.26isaplanviewofanundersideofadoublesided20treadmilldeckaccordingtotheinvention;

FIG.27isablockdiagramofthecontrolsystemsuitableforusewiththetreadmillsofFIGS.1-28;and

FIGS.28A-CdepictaflowchartillustratingtheoperationofthebeltlubricatingsystemofFIG.14.

DETAILEDDESCRIPTIONOFTHE

INVENTION

FIG.1showsthegeneralouterconfigurationofanexercisetreadmill10,accordingtotheinvention,wherethetreadmillincludesacentralarmhandle12thatextendsupwardlyfromapairofsidehandrails14and16.Inthepreferredembodimentoftheinvention,thecentralarmhandle12iscurvedinthegeneralshapeofanarc.Byprovidinganupwardextensioninthecenterarmhandle12,itmakesitpossiblefortreadmilluserstograspthecentralhandle12inanumberofdifferentverticallocationsandalsoaccommodatesthekneesofuserswhomightberunningclosetothefrontofthetreadmill10.Includedinthecentralarmhandle12inoneembodimentoftheinventionareapairofelectrodes18and20forobtainingtheuser'sheartrateasgenerallytaughtinLeonetal,U.S.Pat.No.5,365,934.Amoredetailedviewofthearmhandle12isprovidedinFIGS.23-27.Oneadvantageofplacingtheelectrodes18and20ontheupwardextendingportionsofthecentralarmhandle12asshowninFIG.1isthatitmakesitsignificantlymoreconvenientforsomeuserstograsptheelectrodes18and20whilerunningonthetreadmill10.

FIGS.1and2illustrateanotherfeatureoftheinventionwhereeachofthesidehandrails14and16havearearportion22and24