Clutch for multi-directional transportation device
US6209670A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1998 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A clutch for altering the direction of a drive unit of a transportation device between a first direction of travel and a second direction of travel, the drive unit having at least one drive wheel connected to a shaft, the shaft being rotatably mounted with respect to the transportation device between at least a first position, corresponding to the first direction of travel, and a second position, corresponding to the second direction of travel, the clutch comprises a housing to receive a portion of the shaft, a lock having a first preset locked position corresponding to the first direction of travel and a second preset locked position corresponding to the second direction of travel and, a connecting member connected to the shaft and the lock for alternately locking the shaft in one of the directions of travel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.