Slam bolt lock
US6527310B1 · kind B1 · utility
12Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1021
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A two-way slam bolt controllably locks a bolt against retraction when impacted on one side by a doorjamb, while still permitting free retraction when impacted on the other side. The preferred embodiment employs a U-shaped bolt that must tilt in one of two directions for retraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.