Roller assembly
US3997012A · kind A · utility
Inventor
Key dates
| Filing date | Feb 27, 1975 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Feb 27, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1836
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for converting a constant rotational input into a rotational output which is proportional to a separate input signal characterized by first and second members each having a surface of revolution about an axis with the surface of at least one of the members having an axially changing diameter and the first and second members being mounted for rotation with their surfaces adjacent one another, means for rotating the first member, a transfer device including a pair of rollers mounted for rotation in a plane of rotation for engaging the surfaces of the first and second members and for transmitting rotation of the first member to the second member, the transfer means is connected to a supporting device by a pivot connection having a pivot axis lying in the plane of rotation, and a device for shifting the transfer device along the axis of one of the first and second members to vary the rate of rotation of the second member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.