Bauer has filed a patent for a device designed to clear a helix gap of an auger. The device includes a retainer, a guide tube, and a clearing element that engages in the helix gap. The guide tube is freely rotatable and axially fixed, allowing the clearing element to rotate for clearing purposes. The patent also includes a method for making a drilled hole using the device. GlobalData’s report on Bauer gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Device for clearing a helix gap of an auger
A recently filed patent (Publication Number: US20230265720A1) describes a device for clearing a helix gap of an auger used in drilling. The device includes a retainer that holds it on a mast of a drill, a guide tube that surrounds the auger, and a clearing element that engages in the helix gap and rotates freely about a drilling axis.
The device also features a clearing plate that surrounds the upper and underside of the drill helix, forming a receiving slit from the free edge of the helix. This plate includes an adjustable plate main body and at least one adjusting plate to form the receiving slit. Additionally, the device includes guide rollers that rest on the drill helix and help with clearing the ground material from the helix gap.
The retainer of the device has an annular receptacle on which the guide tube is rotatably mounted and received. A plurality of bearing rollers on the annular receptacle allow the guide tube to rotate about the drilling axis and remain axially fixed. The annular receptacle is designed with two pivot arms that can be pivoted together to form the receptacle or pivoted apart laterally for opening.
The guide tube of the device is separable for easy opening, and the retainer includes a carriage guide for displaceable guidance along the mast of the drill. A fixing means is also provided to secure the retainer on the mast.
In addition to the device, the patent also describes a drill that includes the device. The drill consists of an undercarriage, an upper structure, and a mast along which a drilling drive with a driven auger is mounted. The device for clearing the helix gap is arranged on this drill.
The patent further includes a method for making a drilled hole using the drill with the device. The method involves screwing the auger into the ground to form the hole and then drawing it out. During the pulling of the auger, the device clears the remaining ground material from the helix gap.
Overall, this patent presents a device and method for effectively clearing the helix gap of an auger during drilling operations. The device is designed to be easily mounted on a drill and includes features such as a clearing plate, guide rollers, and a separable guide tube for efficient clearing of ground material.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
