Crank for window operator
US12421780B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2023 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Apr 22, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A casement operator crank includes a base member, a handle, a hinged detent, and a resilient biasing member. The handle has a main body portion connects to the base member for rotation about a handle axis between an open orientation and a closed orientation. The hinged detent pivotally engages with the base member for rotation about a detent axis between a first orientation relative to the main body portion and a second orientation relative to the main body portion. The resilient biasing member acts between the hinged detent and the handle. The biasing member and hinged detent operably: a) bias the main body portion toward the open orientation about the handle axis when the main body portion is in the open orientation; and b) the main body portion toward the closed orientation about the handle axis when the main body portion is in the closed orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.