Length-adjustable upper steering arm for a three-point coupling device
US5076369A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Nov 13, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/295
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A length-adjustable upper steering arm for a three-point coupling device, including a connecting eye having a threaded shank, and a coupling hook having a threaded shank, both of which are received in threaded bores of a sleeve, and which threads extend in opposite directions. To achieve a locked position or disengaged position of the coupling hook relative to the sleeve, there are provided an actuating lever and a locking ratchet which is partially pivotable independently thereof. Because the spring-loaded locking ratchet may be pivoted from the disengaged position into the engaged position independently of the actuating lever, the thread is not subject to jamming forces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.