Torsion spring coupled drive mechanism for reciprocating device having hazard warning means
US4433529A · kind A · utility
1Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1982 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | Sep 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/15
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An Agricultural combine having a sickle reciprocated by a wobble drive mechanism and a torsion bar coupled to the sickle to reduce the input torque requirement of the drive mechanism, is provided with a warning system to operate an alarm when energy is still stored in the torsion bar, unknown to the operator, when the drive mechanism is shut down and which stored energy could reciprocate the sickle and represent a hazard to the operator. The hazard warning system is disabled when the drive mechanism is operating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.