Braking system for a molded fiberglass spiral chute
US4726456A · kind A · utility
16Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1986 |
| Grant date | Feb 23, 1988 |
| Priority date | — |
| Expiry date | Jun 4, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G11/203
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Friction applying material in a recess in a portion of the upper surface of a molded fiberglass spiral chute to apply a braking force to reduce the velocity of articles passing over the upper surface of the molded fiberglass spiral chute while still providing a substantially continuous surface for passage of the articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.