United States Patent
US Patent 6240798: Reinforced anti-backlash nut with graduated…
US 6240798 · granted 2001-06-05
| Patent Number | 6240798 |
|---|---|
| Title | Reinforced anti-backlash nut with graduated thread depth fingers |
| Filed | 1999-07-01 |
| Granted | 2001-06-05 |
| Inventor(s) | Kenneth W. Erikson, Keith W. Erikson |
| Assignee | Kerk Motion Products Inc |
| CPC Classification | F16H25/00, F16H25/2003, F16H25/2009 |
| Number of Claims | 3 |
Abstract
An anti-backlash nut has flexure members which are continuously biased inwardly against a lead screw by a force-applying sleeve which acts on ramps on the flexure member. The spline means include means on the longitudinal flexure members and the force applying sleeve to impart rigidity to the longitudinal flexure members in a direction tangential to the longitudinal direction of movement of the nut.
Claims Summary
1. An anti-backlash nut for moving along a threaded, rotatable screw in either of two longitudinal directions, the nut comprising: