Frost proof sillcock
US4022243A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1973 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Jun 1, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/698
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A frost proof sillcock having an outer section with a fluid chamber therein and a discharge opening, a round tubular body connected to the external section and communicating with the chamber, and a seat end section of substantially the same diameter as the tubular body connected integrally with the body to form a substantially even external surface between the body and the section. The seat end section contains a valve seat and a plurality of thread segments, and a stem extends through the chamber in the external section and through the body, and contains a valve element on the inner end thereof for seating on the seat. A hand wheel for rotating the stem to seat and unseat the valve element is secured to the outer end of the stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.