Window operator
US6634141B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2002 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Jan 10, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05F11/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An operator for controlling the movement of a window sash relative to a frame with a raised surface along a frame sill thereof, wherein the operator includes a base having a first support surface, an aperture and a bottom exterior surface with a slot therein, the base attached to the frame with the raised surface fitting substantially within the slot. Also a method for manufacturing the operator includes the steps of passing the worm shaft through the hole with the worm shoulder engaging the internal shoulder and the worm disposed against the first support surface, fitting the arm to the central post, the arm in drivable engagement with the worm, placing the base and the cover together with the worm disposed between the first and second support surfaces and the central post.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.