| Patent Number |
Title Of Patent |
Date Issued |
| 4909333 |
Vibratory plow |
March 20, 1990 |
| A vibratory plow assembly which provides improved vibratory plowing through the mounting of the plow blade and maneuverability of the assembly. The assembly includes a forward frame member, a rearward frame member, and spaced apart link members pivotally connecting the frame members to p |
| 4909332 |
Vibratory plow |
March 20, 1990 |
| A vibratory plow assembly for improving the mounting of the plow blade and optimally locating the gage wheels. The assembly includes a plow blade and gage wheel holder that is pivotally mounted to a vibrator frame. The holder includes hollow bearing members for mounting the gage wheels a |
| 4871027 |
Multiple-edge sod cutter for vibratory plow |
October 3, 1989 |
| A vibratory plow including a cutter assembly which slices the ground covering and breaks the sod ahead of the cable-laying plow blade. The plow assembly includes a blade holder that is pivotally mounted to a vibrator frame. A mounting member attaches the cutting blade of the cutter assem |
| 4750566 |
Resilient connecting means for lifting vibratory device |
June 14, 1988 |
| An improved vehicle-mounted lifting apparatus for a vibratory device. The apparatus includes bearings in which a principal pivot shaft is journaled, a lifting link and at least one center-bonded joint spaced along and nonrotatably mounted on the pivot shaft, a lift cylinder secured to th |
| 4742627 |
Digging boom assembly |
May 10, 1988 |
| A digging boom assembly including a first section which is attached to a trencher and a second section that may be disconnected from the first section and replaced with another identically configured section of longer or shorter length. The boom assembly is attached to the trencher such |
| 4346617 |
Ground drive control |
August 31, 1982 |
| A drive control is disclosed which is particularly useful for machines having a hydrostatic transmission or ground drive pump, such as a tractor. A shift assembly controls the input to the hydrostatic transmission, and it includes a shift lever which is movable by a bellcrank mechanism i |
| 4018352 |
Anti-rollback mechanism for material handling implement |
April 19, 1977 |
| An anti-rollback mechanism for a material handling implement including a unit pivotally mounted on the outer end of the boom of a vehicle is disclosed herein. The anti-rollback mechanism includes a member that is moved with the boom to indicate the position of the boom and prevent ac |
