Patents Assigned to JHC Holding Company
  • Patent number: 6276077
    Abstract: A wheel tractor scraper is provided with a tractor and a bucket having a bottom, a left side, a right side, a back end and a front end defining a bowl for collecting dirt and having an open front portion and a scraper blade attached along the front portion and at the bottom of the bucket for scraping dirt into the bucket. The bucket is rollingly supported on an axle between left and right rear wheels. A draft frame pivotably connects between the tractor and the bucket. A pair of cylinders is operatively connected to the bucket and the cylinders are actuatable to provide vertical components of force to tilt the bucket, up on one side and down on the other side of the bucket to thereby controllably tilt the bucket and the scraper blade attached thereto for scraping dirt at a cross-grade angle relative to the axle and wheels.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: August 21, 2001
    Assignee: JHC Holding Company
    Inventor: Martin Kirbie
  • Patent number: 6217122
    Abstract: A dual use belly dumping and end dumping vehicle is provided, including a frame, having left and right side beams connected together to form an opening therebetween. The frame is mounted on rear wheels for transport. A hopper with sides, ends and an openable bottom is carried in the opening between the left and right side beams in the frame. Rollers are mounted to the sides of the hopper for rollingly supporting the hopper on top of the left and right side beams of the frame. Pivot bars are mounted on the frame above the rear wheels. Pivot-engaging sockets are mounted on the hopper for engaging the pivot bars when the hopper is rolled rearward along the side beams, constructed for releasably engaged pivoting of the hopper about the pivot bars to a dumping position at which an end of the hopper dumps the content thereof behind the rear wheels to which the frame is mounted.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: April 17, 2001
    Assignee: JHC Holding Company
    Inventor: Martin Kirbie