Apparatus for holding a door open
US6499185B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Oct 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S16/17
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door hold-open device including a track, a first catch slidably mounted for longitudinal movement in the track, a stop assembly including a second catch coupled to the track and adapted to engage the first catch wherein the second catch is moveable in a direction different than the longitudinal direction, a resilient member that applies a force to the second catch to urge the second catch into a position where the second catch engages the first catch when the first catch is adjacent to the second catch, and a linear actuator having a first position and a second position, wherein the linear actuator applies a first force to the resilient member in the first position and a second different force to the resilient member in the second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.