Bellows activated underdrive two speed accessory drive
US4706521A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Jul 31, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H63/3026
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drive (10) having high speed and low speed modes of operation comprising an input shaft (20), a planetary gear set (12) drivingly connected to the input shaft (20) comprising a sun gear (14) disposed about the input shaft, a brake (46) for preventing the ring gear from rotating during the low speed mode; an output pulley (50) linked to and rotatably with the planetary gear set (12), a clutch (60) for connecting the output pulley (50) to the input shaft (20) during the high speed mode and for disengaging the output pulley from the input shaft during the low speed mode, and bellows (90) for moving the clutch (60) into and out from engagement during the high and low speed modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.