Gate operating mechanism
US4625455A · kind A · utility
4Cited by
3References
2Claims
0Family size
Inventors
Key dates
| Filing date | Aug 19, 1985 |
| Grant date | Dec 2, 1986 |
| Priority date | — |
| Expiry date | Aug 19, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swinging gate operating mechanism having a crank and links which withdraw and insert the locking bolt as the linkages pass over center, and aligning linkage centers to allow the mechanism to rotate freely with a pair of indexing links to prevent the gate from rebounding out of the latch as the bolt impacts the jam post.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.