Clever cylinder driving module equipment 3D model

Clever cylinder driving module equipment， a short stroke cylinder combined guide rail form long stroke transverse institutions, change mechanism using a short stroke cylinder pushing piece, a cylinder activities once institutions on the guide rail is walking a cylinder stroke, the multiple movement can achieve long stroke, skillfully institutions, the structure of the material can be used as a push.if you like,you can paypal for you to get this models or if you have any questions also you can email to me.