Roller bracket apparatus for an overhead door
US6094779A · kind A · utility
Inventor
Key dates
| Filing date | Aug 26, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Aug 26, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roller bracket apparatus includes a roller assembly which includes a carriage portion and a link portion projecting from the carriage portion. A push/pull assembly is provided, and a pivot assembly is connected between the link portion of the roller assembly and the push/pull assembly. The carriage portion includes a wheel-support portion and a plurality of axle/wheel assemblies supported by the wheel-support portion. Each of the axle/wheel assemblies includes an axle and a roller wheel connected to the axle. The link portion extends from the carriage portion at an acute angle with respect to a plane common to the top surface of the carriage portion. In an alternatively preferred embodiment of the invention, the push/pull assembly includes a first side portion connected to the article being moved (e.g. an overhead door panel) and an integrated gusset plate portion orthogonally connected between the first side portion and the pivot assembly. The push/pull assembly further includes a transverse angled bearing surface portion orthogonally joined to the gusset plate portion in such a way as to be adapted to engage the link portion and be stopped thereby at the limit of rotation of th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.