Variable pulley torque drive means
US4601679A · kind A · utility
2Cited by
5References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 1985 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | May 16, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A variable pulley torque drive system comprising a pair of flexible straps, each connected at one end to a pivot on a drive member or a movable pulley sheave, and at the other end to the other of either the movable sheave or drive member, the straps being in tension when driving and flexed and deflected to compression in the undriven mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.