Door latching and unlatching assembly
US5452927A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 1, 1994 |
| Grant date | Sep 26, 1995 |
| Priority date | — |
| Expiry date | Aug 1, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1083
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door latching and unlatching assembly comprising a carrier; a door latching bolt carried by the carrier to rotate between locking and unlocking positions; a door latching operating handle rotatable between open and closed positions; a rotor associated with and rotatable relative to the carrier, and two cams on the rotor and rotatable therewith, the rotor operatively connected with the handle, to be rotated in response to handle rotation; and structure operatively connected with the bolt and located to be displaced by one cam in response to rotation of the rotor in one direction for rotating the bolt to unlocking position, and to be displaced by the other cam in response to rotation of the rotor in the opposite direction for rotating the bolt to door locking position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.