Apparatus for propelling a carriage along the length of purlins of a roof structure
US6195958A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1998 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D15/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for propelling a carriage along a roof structure of the type having a plurality of purlins spaced apart from one another in a parallel arrangement, and method of using same are disclosed. The apparatus includes a carriage movable along the length of the purlins for dispensing a support sheet from a roll for support of insulation material as the carriage travels along the length of the purlins so that the support sheet depends from the top portion of adjacent purlins. The apparatus further includes a puller assembly attached to the carriage. The puller assembly includes a driven wheel frictionally engaged with a surface a purlin, and a drive mechanism for rotating the driven wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.