Brake for ball screw
US4149430A · kind A · utility
23Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1977 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Sep 26, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19637
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a ball screw connected between an actuating motor and load, the improvnt comprising a friction brake mechanism carried by the nut section of the screw for automatically locking the nut and screw together when the motor is de-energized. The invention prevents the load from producing dangerously high free-wheeling rotation of the screw that could centrifugally destruct the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.