Door lifting apparatus and method
US7243904B1 · kind B1 · utility
13Cited by
47References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Nov 2, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53961
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A door lifting apparatus includes a frame and a lift mechanism. The lift mechanism includes a slide and a lever. The slide includes a plurality of holders and a plurality of glides, wherein the holders are operable to engage and support a door while the glides cooperate with rails provided upon the frame to guide the slide along the rails. Pivotal movement of the lever moves the slide vertically relative to the upright supports, thereby raising or lowering the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.