Drive tube apparatus
US5401168A · kind A · utility
10Cited by
14References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1993 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | May 17, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive tube apparatus for providing a precisely adjustable linear range of motion to orthodontic devices. The drive tube apparatus includes a threaded tube with a roughened surface for secure attachment to a mounting. A drive screw engages the threaded tube through a predetermined range of motion. A ball and socket rotatably attaches the drive screw to the drive shaft allowing the drive shaft to move within a linear range of motion without rotating with the drive screw. The drive shaft attached to and accomplishes the positioning of an adjustable appliance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.