| Patent Number |
Title Of Patent |
Date Issued |
| 6814161 |
Stakedown assembly for a horizontal directional drill |
November 9, 2004 |
| A stakedown assembly for a horizontal directional drill that multiplies the travel of a hydraulic cylinder so that the drive head travels twice the distance of the hydraulic cylinder travel. A gear pinion is pivotally attached to a top end of the hydraulic cylinder. A first gear rack is |
| 6374927 |
Pipe retention and cartridge locking system for a horizontal directional drill |
April 23, 2002 |
| A dual purpose bracket assembly for a horizontal directional drill that retains pipes within a cartridge when the cartridge is detached from the drill and locks the cartridge to the drill when it is attached. The bracket assembly includes side plates that are installed within longitu |
| 6371683 |
Stakedown assembly coupling for a horizontal directional drill |
April 16, 2002 |
| A coupler for a horizontal directional drill for quickly and easily attaching and detaching a stakedown assembly from the drill. The coupler includes a first coupler member and a second coupler member with matching angular front and Fear ends so that the first member fits within the |
| 6276464 |
Stake coupler for a horizontal directional drill |
August 21, 2001 |
| A coupling for quickly and easily attaching and detaching stakes from the drive head of a horizontal directional drill. The coupling includes an upper coupler member and a lower coupler member. The lower coupler member slides into the upper coupler member, and a pin in the upper coupler |
| 6257350 |
Multiple position staking system for a horizontal directional drill |
July 10, 2001 |
| A multiple position stakedown assembly for a horizontal directional drill machine which installs stakes into the ground in a variety of different locations with a single drive head. The stakedown assembly includes a vertical tower that is rotatably mounted on a base plate. Locator ports |
| 6237703 |
Pipe cartridge for a horizontal directional drill |
May 29, 2001 |
| A cartridge for storing pipe lengths on a horizontal directional drill that allows easy loading and unloading of pipes from the cartridge while it is attached to the drill. Longitudinal support members and towers at each end of the cartridge provide structural support to the cartridge an |
