Double handle self-locking mechanism for manual operation of a cock key
US4099702A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1976 |
| Grant date | Jul 11, 1978 |
| Priority date | — |
| Expiry date | Oct 26, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G5/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This invention relates to a pivoted double handle self-locking mechanism for operating a valve. Each of a pair of oppositely extending handles is pivotally mounted on a socket member secured to a key that rotates the valve, each handle being provided with a gear segment that meshes with a corresponding gear segment on the other handle whereby rocking of either handle about its pivot by a lever connected thereto effects rocking of the other handle so that a lug on one handle is moved to a position in which it will not engage a stop carried by the valve body upon subsequent arcuate movement of both handles while in their rocked position in response to a manual pull exerted on the lever connected to either one of the handles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.