Interlock device having reduced preload binding
US5176231A · kind A · utility
27Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Sep 16, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2011
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In an electromagnetic interlock of the type in which a pin engages a notched or perforated member, preload releasability is provided by configuring the contacting surfaces of the pin and notch to provide an angle of contact which is always positive. The pin and/or the notch each includes a nonvertical contact surface. In one version of the device, the notch includes an S-shaped contact surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.