Antenna shaft positioning device
US4815339A · kind A · utility
7Cited by
23References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1986 |
| Grant date | Mar 28, 1989 |
| Priority date | — |
| Expiry date | Oct 24, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1494
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for stopping a rotating antenna shaft at a distinct position intermediate two end stop positions 23, 24. Paddle 12 on the rotating shaft 21 cooperates with intermediate stop assembly 26 to arrest bi-directional shaft rotation at an intermediate point when such stopping is desired, the intermediate stop assembly being activated by springs 38, 39 and deactivated by action of solenoids 30, 31.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.