Adjustment mechanism for a headband arrangement of a safety helmet
US9642412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Feb 13, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/145
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An adjustment mechanism for a headband arrangement including a rotatable knob having a first contact member; a rotatable hub member to engage a notched track of a headband member; and a rotatable notched track member, wherein during contact between the first contact member and the hub member the rotatable notched track member does not rotate, and wherein during contact between a second contact member and the hub member the rotatable notched track member rotates in a second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.