Elevator access systems for elevators
US11136217B2 · kind B2 · utility
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2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2019 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | May 27, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B1/34
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator access systems are provided. The elevator access systems include a bushing having a keyway, a plunger disposed within the bushing and movable relative thereto, a lever operably connected to the plunger, and a removable plug located within the keyway of the bushing, wherein the removable plug urges the plunger and the lever into a first position, and upon removal of the removable plug, the plunger and the lever move to a second position, wherein in the second position the plunger is accessible to operate the lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.