| 摘要 |
<p>W-2323 C IN THE PATENT OFFICE OF CANADA APPLICATION OF WILLIAM O. SCHOSEK RELATING TO FRONT MOUNTED BRACE FOR AN UNDERGROUND PIPE INSTALLER DEVICE A front mounted brace for an underground pipe installer device comprised of a vertically disposed abutment frame, transversely pivotally mounted to a front end portion of an underground pipe installer device, the frame being comprised of upper and lower rails, interconnected by a plurality of vertical struts. Upper and lower front end extensions from the pipe installer pivotally carry the frame. This application is being filed under the Internation Convention and is based on United States Patent Application Serial Number 68,152 filed in the United States on August 20, 1979.</p> |
