| 摘要 |
<p>A roller attachment to facilitate precise running of an article along a guide line in automation processes when it is fixed to the article, having an angular frame which is formed by layering punched angular thin members in the longitudinal direction of frame, and which is provided with peripheral recesses including rollers in A way to rotate freely in the longitudinal direction of frame in relation to the frame, the frame being attachable to the article with bolts either through hollow rivets uniting the angular thin members together or through elongated bolt holes in bracket members.</p> |
