Drop delivery chute
US5941362A · kind A · utility
Inventor
Key dates
| Filing date | Aug 13, 1996 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Aug 13, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/166
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drop delivery debris disposal chute formed of a continuous trough sectioned body having an open face, and a plurality of cover elements each secured to span the open face to constitute a respective part of a closure wall of the chute, wherein each of a plurality of duct access openings in the closure wall is constituted by a gap between neighboring spaced apart cover elements, and at least two inlet structures supporting the duct fixedly mounted to a building floor and including an intake opening and an inclined race extending from the intake opening to a corresponding duct access opening, and wherein the spacing between neighboring duct access openings is established to bring each access opening into register with the race of a corresponding inlet structure by use of a cover sheet in overlapping relationship with a cover element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.