Rotary value selector device
US4649814A · kind A · utility
6Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 4, 1984 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Oct 4, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19698
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A postage meter has a print drum with print wheels which are shiftable to select the value of the postage. The positions of the print wheels are controlled by the positions of axially displaceable racks which in turn are controlled by a helical nut and pinion system which is driven by motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.