Motor control for telescope
US4709178A · kind A · utility
9Cited by
7References
6Claims
0Family size
Inventor
Key dates
| Filing date | Apr 6, 1987 |
| Grant date | Nov 24, 1987 |
| Priority date | — |
| Expiry date | Apr 6, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A motorized drive attachment for rotating a rotatable control shaft in a telescope. The attachment includes a motor within a housing, and a coupler on the output shaft of the motor interiorly lined with an O-ring. A snap-on bracket, secured to the housing detachably clamps onto a frame portion of the telescope, and in this position holds the attachment in place with the coupler providing a direct drive to the control shaft. The O-ring acts as a slip clutch when the control shaft is operated manually.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.