Asynchronous door knife of elevator integrated car door lock
US10040669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2014 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Jan 21, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An asynchronous door knife comprises a track rack and a base plate; a dynamic blade and an unlocking blade which are connected on the front of the base plate in a swinging manner; a knife lifting ball which is arranged on the dynamic blade; a lock hook which is arranged on the back of the base plate and correspondingly buckled with a latch, wherein the unlocking blade is connected on the base plate through a lifting plate; the lifting plate is hinged on the base plate and comprises a first swing arm and a second swing arm; the first swing arm is hinged with the unlocking blade; the second swing arm is connected with an unlocking connecting rod; a lifting hole is additionally formed on the base plate; the middle of the lock hook is hinged with the unlocking connecting rod through the lifting hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.