Protective helmet with a strapless breathing protection mask
US4926854A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Jun 23, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45717
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A protective helmet with a strapless breathing protection mask which is in detachable connection therewith. The detachable connection is formed by connecting elements that can be plugged into each other and locked, and these connecting elements are located at both sides of the helmet and of the mask. The connecting elements include a flexible plug-type part capable of limited rotation and arranged on the breathing protection mask and a plug receptacle part with an adjusting device arranged on the protective helmet. In order to establish the detachable connection of the mask with the protective helmet, the plug part is plugged into the plug receptacle part becoming automatically locked therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.