Method of driving ejector pins to eject formed parts
US6393942B1 · kind B1 · utility
0Cited by
12References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Sep 27, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8699
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of driving part ejector pins at a high cycle rate by a reversible servo motor rotating a crank unidirectionally to advance a pin mounting structure from a retracted position to an advanced eject position, and back to the retracted position, and reversing the motor to repeat the cycle with only a single motor reversal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.