Bernard Radnis

US Patent:

50678531, Nov 26, 1991

Filed:

Jul 19, 1990

Appl. No.:

7/554563

Inventors:

Bernard Radnis - Justice IL

International Classification:

F16L 100
E02F 510

US Classification:

405182

Abstract:

An apparatus wherein a platform mounts a drive motor that directs rotary motion to an eccentrically arranged crank pin to effect oscillating motion to a blade member directed downwardly relative to the platform. The blade includes a foot member that is formed with a conically tapered forward end and a reduced cylindrical rear end to permit securement of a conduit hose to the rear end to pull the conduit hose in a conduit laying procedure.