 |
|
|
|
|
|
 Title: |
US5038776:
Universal head harness
[ Derwent Title ]
|
| Country: |
US United States of America
|
| |
| Inventor: |
Harrison, Brian H.; Nepean, Canada
Main, Lorne A.; Gloucester, Canada
Newman, James A.; Gloucester, Canada
Pedder, Jocelyn B.; Ottawa, Canada
Ranger, Nicole; Ottawa, Canada
Gallup, Brian; Kanata, Canada
St. Laurent, Andre M.; Gloucester, Canada
Gray, Donald; Langley, Canada
|
| Assignee: |
Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government, Ottawa, Canada
other patents from HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE (683641) (approx. 444)
News, Profiles, Stocks and More about this company
|
| Published / Filed: |
1991-08-13
/ 1989-05-31
|
| Application Number: |
US1989000359502
|
| IPC Code: |
Advanced:
A62B 18/02;
A62B 18/08;
Core:
A62B 18/00;
IPC-7:
A62B 18/08;
|
| U.S. Class: |
Current:
128/207.11;
002/173;
128/201.23;
128/206.12;
Original:
128/207.11;
128/201.23;
128/206.12;
002/173;
|
| Field of Search: |
128/207.11,206.11,206.24,206.27,206.28,201.26,201.27,201.28,201.29,202.11,201.22,201.23,201.24,201.25,206.12
002/173,6,9,424
|
| Priority Number: |
|
| Abstract: |
Head harness form gas mask consists of several pieces of biaxially stretchable elastic fabric stitched together to provide a concave configuration in the relaxed state. The harness is shaped and sized to fit a range of normal human heads by stretching over the back and top of the head. The forward edge of the harness has a number of tongues of the elastic fabric that attach to a gas mask. The preferred material for the harness is a 280 denier bare spandex power net fabric that has a flat load versus elongation curve. A gas mask fitted with the harness applies a uniform pressure within the comfort range on the face of the wearer without significant adjustment of the harness, despite wide ranges in the head size and configuration of the wearer.
|
| Attorney, Agent or Firm: |
Hinds, William R. ;
|
| Primary / Asst. Examiners: |
Burr, Edgar S.; Funk, Stephen R.
|
| INPADOC Legal Status: |
Show legal status actions
Family Legal Status Report
|
| Designated Country: |
CH DE ES FR GB GR IT LI NL SE
|
| Family: |
Show 19 known family members
|
First Claim:
Show all 16 claims |
We claim:
1. A head harness for a gas mask comprising a plurality of pieces of biaxially stretchable elastic fabric stitched together to provide a concave configuration in the relaxed state, shaped and sized to fit a range of normal human heads, the harness having a forward edge with a plurality of tongues of the elastic fabric spaced therealong, a plurality of buckles non-adjustably secured to respective ones of the tongues for fixed, non-adjustable attachment to a gas mask, a strap along a back edge of the harness and projecting forwardly therefrom and adjustable buckle means adjustably attached to the strap for attachment to the gas mask.
|
| Background / Summary: |
Show background / summary
|
| Drawing Descriptions: |
Show drawing descriptions
|
| Description: |
Show description
|
| Forward References: |
Show 109 U.S. patent(s) that reference this one
|
|
