The self-propelled portions the Bei An Mo Machine Agencies of Yi Seed, it includes have:Lean against frame and massage this Body institute Agencies at, lean against the song Rail that each Yan Shen Ao Let of frame Two Side Side have Bend songs Like, and on the outer Side Side of two song Rail, lower end Office extends Ge Let You Knot and closes end, The Knot close the mono- Bend song Like Pressure Strip of Duan Mian Let You mono- Knot He Kong And Pei He Luo Lock for holding row song Rail level with both hands, the massage central locations this Body Office Department Let have a Flooding Move parts, on one Side Side of The Flooding Move parts, the ends lower Two respectively form the ends From Move and by the ends Move, and the ends From Move and From Move Rod and Bei Move Rod are had by the Ge Let of Side Side Consistent Chuan by the ends Move, the Ge Tao Let of its From Move Rod Two Side Side And bias have massage part, And what From Move Rod and Bei Move Rod Two Side Side Fitness When position Office Tao Let are fixed with Pass Move Wheels and Guide WheelsIt is massaged this Body Department and with Two Side Pass Move Wheels displacements makees Move whats and lean against on the song Rail of frame And and massage this Body Pressure Let by Pressure Strip Will to lean against on frame against what, make on Pass Move Wheels more Tight Stickers whats song Rail Move is made with displacement on Da to The with massaging the flat Steady and Indeed Real of this Body energy what song Rail And Minus make the Machine tool noises of Move Time institutes Productivity lifes less, and make Move Damage using More No Xia Like Tai in what and consume, Xing Cheng More have service efficiency and massage Xiao Guo More Jia structures一種自走式背部按摩機構,其包含有:背靠框架及按摩本體所構成,背靠框架兩側邊各延伸凹設有彎曲狀之曲軌,而二曲軌外側邊之上、下端處延伸各設有結合端,該結合端平行曲軌之端面設有一結合孔並配合螺鎖一彎曲狀之壓條,按摩本體中央位置處係設有一驅動件,該驅動件一側邊之上、下兩端各形成從動端及被動端,而從動端及被動端由側邊貫穿各設有從動桿及被動桿,其從動桿兩側邊並偏心各套設有按摩件,並於從動桿及被動桿兩側邊之適當位置處套設固定有傳動輪及導輪;其按摩本體係以兩側傳動輪位移作動於背靠框架之曲軌上,並藉由壓條將按摩本體壓設抵靠
