Door frame at elevator shaft doors
US6668494B2 · kind B2 · utility
1Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | May 14, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/306
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator shaft door frame has posts of a basic configuration that can be combined with cladding profile members of different shape and size. The posts include a plate-like profile member with two U-shaped corrugations and a plate fastened to the profile member and covering the open rear side of the corrugations. A decorative cladding profile member is fastened to the post and has one U-shaped profile member abutting and fastened to the plate and another U-shaped profile member abutting and fastened to the one U-shaped profile member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.