Company Filing History:
7 out of 48 
1 out of 414 
1 out of 832,843 Years Active: 1993-2001
Title: The Innovative Contributions of Hans K Tannert
Introduction
Hans K Tannert is a notable inventor based in Cupertino, CA, with a remarkable portfolio of nine patents. His work primarily focuses on advancements in disk drive technology, showcasing his expertise and innovative spirit in the field.
Latest Patents
Among his latest patents is a method for inserting a removable disk cartridge into a disk drive. This method utilizes a cartridge designed with a registration contour that aligns with a registration member of the disk drive. The registration contour slides along the registration member during insertion, ensuring a smooth process. The cartridge features an interlocking recess that interfaces with an ejector pin of the disk drive, along with a door that is biased to a closed position. This door has a tab that engages the disk drive, holding it open while the cartridge is inserted. The cartridge can be ejected by releasing the ejector pin from the interlocking recess and pushing the cartridge with the ejector pin.
Another significant patent is for a disk cartridge with an anti-rattle mechanism. This mechanism addresses the issue of particulate generation that occurs when a disk assembly moves around inside the cartridge. The anti-rattle mechanism includes a movable anti-rattle ring that shifts between a clamping position and a released position. When the disk cartridge is outside of a disk drive, the mechanism is in a clamping position to secure the disk assembly. As the cartridge is inserted into the disk drive, the