Self-aligning lift knob for plumbing fixture
US10190294B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Mar 17, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9464
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Various embodiments provide for a plumbing fixture comprising a spout. The spout comprises a body with a collar on a top surface of the body and a hole extending through the collar and defining an internal surface of the collar. The spout further comprises a first camming surface formed on the internal surface. The plumbing fixture further comprises a lift knob. The lift knob comprises a head. The head comprises a front side, top side, and a bottom side. The lift knob further comprises a shaft. The shaft is axially movable within the hole and has a first end and a second end. The first end is coupled to the bottom side of the head and the second end disposed within the spout. A second camming surface is formed on the bottom side of the head. The second camming surface has a geometrically complementary surface to the first camming surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.