Ads
related to: hard hat with goggles attached to neck back and chestproducts.bestreviews.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage, civil engineering, pearl shell diving and other commercial diving work, and similar naval diving applications.
A hard hat is a type of helmet predominantly used in workplace environments, such as construction sites, to protect the head from injury by falling objects, impact with other objects, debris, bad weather and electric shock. Inside the helmet is a suspension that spreads the helmet's weight over the top of the head.
Some contemporary cap-style hard hats feature a rolled edge that acts as a rain gutter to channel rainwater to the front, allowing water to drain off the bill, instead of running down the wearer's neck. A wide-brimmed cowboy hat-style hard hat is made, [4] although some organizations disallow their use. Ameriza Ventilated Helmet
The application of the neck dam concept, a development of the dry suit neck seal, to the diving helmet by Joe Savoie in 1964, allowed the helmet to turn with the diver's head, so it could be made a much closer fit. This allowed the helmet to be made much smaller and lighter.
A folding locking collar at the back of the helmet swings forward and up to push the back of the neck ring up into the base of the helmet, and also prevents the helmet from lifting off the head by partly occluding the neck ring opening at the back. The locking collar is secured in the locked position by two spring loaded pull-pin latches.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ads
related to: hard hat with goggles attached to neck back and chestproducts.bestreviews.com has been visited by 1M+ users in the past month