Anti-friction latchbolt
US10196843B2 · kind B2 · utility
2Cited by
14References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 4, 2013 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Oct 4, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/096
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latchbolt assembly includes a solid latchbolt having at least a first surface, a second surface and a third surface and an anti-friction bolt pivotally coupled to the solid latchbolt. The anti-friction bolt includes a cross member disposed adjacent the first surface of the solid latchbolt and a pair of plates depending from the cross member to form a U-shaped cross section. The plates are disposed adjacent the second and third surfaces of the solid latchbolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.