Powered six-way seat adjustor and mechanisms therefor
US4966045A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1988 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | Jul 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19814
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A load bearing structural assembly comprising a threaded lead screw having a central axis, the lead screw having a mounting mechanism and an anchor mechanism affixed to one end thereof; the lead screw having mounted thereon a first drive nut having an opening therethrough, the first drive nut having a predetermined load bearing capacity, the structural assembly having a second drive nut having an opening therethrough the second nut affixed to the first drive nut, the second nut having a much greater predetermined load bearing capacity than the first drive nut; the structural assembly having a collet having an interior and exterior, the collet in communication with the exterior surface of the second drive nut upon the interior of the collet, having an opening therethrough, having a transmission mechanism affixed to the first drive nut and the collet, when the transmission mechanism subjects a load upon the first drive nut in a direction along the lead screw, such load will be subjected upon the collet which will further capture the second drive nut within the opening at the interior of the collet and force the second drive nut to clamp down on the lead screw sufficiently to prevent …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.